diff --git a/lib/private/Accounts/Account.php b/lib/private/Accounts/Account.php
index 946168d7755..e443f65870a 100644
--- a/lib/private/Accounts/Account.php
+++ b/lib/private/Accounts/Account.php
@@ -27,6 +27,7 @@ class Account implements IAccount {
 	) {
 	}
 
+	#[\Override]
 	public function setProperty(string $property, string $value, string $scope, string $verified, string $verificationData = ''): IAccount {
 		if ($this->isCollection($property)) {
 			throw new \InvalidArgumentException('setProperty cannot set an IAccountsPropertyCollection');
@@ -35,6 +36,7 @@ class Account implements IAccount {
 		return $this;
 	}
 
+	#[\Override]
 	public function getProperty(string $property): IAccountProperty {
 		if ($this->isCollection($property)) {
 			throw new \InvalidArgumentException('getProperty cannot retrieve an IAccountsPropertyCollection');
@@ -45,12 +47,14 @@ class Account implements IAccount {
 		return $this->properties[$property];
 	}
 
+	#[\Override]
 	public function getProperties(): array {
 		return array_filter($this->properties, function ($obj) {
 			return $obj instanceof IAccountProperty;
 		});
 	}
 
+	#[\Override]
 	public function setAllPropertiesFromJson(array $properties): IAccount {
 		foreach ($properties as $propertyName => $propertyObject) {
 			if ($this->isCollection($propertyName)) {
@@ -73,6 +77,7 @@ class Account implements IAccount {
 		return $this;
 	}
 
+	#[\Override]
 	public function getAllProperties(): Generator {
 		foreach ($this->properties as $propertyObject) {
 			if ($propertyObject instanceof IAccountProperty) {
@@ -85,6 +90,7 @@ class Account implements IAccount {
 		}
 	}
 
+	#[\Override]
 	public function getFilteredProperties(?string $scope = null, ?string $verified = null): array {
 		$result = $incrementals = [];
 		/** @var IAccountProperty $obj */
@@ -106,6 +112,7 @@ class Account implements IAccount {
 	}
 
 	/** @return array<string, IAccountProperty|array<int, IAccountProperty>> */
+	#[\Override]
 	public function jsonSerialize(): array {
 		$properties = $this->properties;
 		foreach ($properties as $propertyName => $propertyObject) {
@@ -117,15 +124,18 @@ class Account implements IAccount {
 		return $properties;
 	}
 
+	#[\Override]
 	public function getUser(): IUser {
 		return $this->user;
 	}
 
+	#[\Override]
 	public function setPropertyCollection(IAccountPropertyCollection $propertyCollection): IAccount {
 		$this->properties[$propertyCollection->getName()] = $propertyCollection;
 		return $this;
 	}
 
+	#[\Override]
 	public function getPropertyCollection(string $propertyCollectionName): IAccountPropertyCollection {
 		if (!$this->isCollection($propertyCollectionName)) {
 			throw new PropertyDoesNotExistException($propertyCollectionName);
diff --git a/lib/private/Accounts/AccountManager.php b/lib/private/Accounts/AccountManager.php
index 102e6a8b9cb..f3d2878b254 100644
--- a/lib/private/Accounts/AccountManager.php
+++ b/lib/private/Accounts/AccountManager.php
@@ -216,6 +216,7 @@ class AccountManager implements IAccountManager {
 		return $this->addMissingDefaultValues($userDataArray, $this->buildDefaultUserRecord($user));
 	}
 
+	#[\Override]
 	public function searchUsers(string $property, array $values): array {
 		// the value col is limited to 255 bytes. It is used for searches only.
 		$values = array_map(function (string $value) {
@@ -655,6 +656,7 @@ class AccountManager implements IAccountManager {
 		return $account;
 	}
 
+	#[\Override]
 	public function getAccount(IUser $user): IAccount {
 		$cached = $this->internalCache->get($user->getUID());
 		if ($cached !== null) {
@@ -826,6 +828,7 @@ class AccountManager implements IAccountManager {
 		}
 	}
 
+	#[\Override]
 	public function updateAccount(IAccount $account): void {
 		$this->testValueLengths(iterator_to_array($account->getAllProperties()), true);
 		try {
diff --git a/lib/private/Accounts/AccountProperty.php b/lib/private/Accounts/AccountProperty.php
index 11ad03d6c7f..685fa013ed2 100644
--- a/lib/private/Accounts/AccountProperty.php
+++ b/lib/private/Accounts/AccountProperty.php
@@ -29,6 +29,7 @@ class AccountProperty implements IAccountProperty {
 		$this->setScope($scope);
 	}
 
+	#[\Override]
 	public function jsonSerialize(): array {
 		return [
 			'name' => $this->getName(),
@@ -44,6 +45,7 @@ class AccountProperty implements IAccountProperty {
 	 *
 	 * @since 15.0.0
 	 */
+	#[\Override]
 	public function setValue(string $value): IAccountProperty {
 		$this->value = $value;
 		return $this;
@@ -54,6 +56,7 @@ class AccountProperty implements IAccountProperty {
 	 *
 	 * @since 15.0.0
 	 */
+	#[\Override]
 	public function setScope(string $scope): IAccountProperty {
 		$newScope = $this->mapScopeToV2($scope);
 		if (!in_array($newScope, [
@@ -73,6 +76,7 @@ class AccountProperty implements IAccountProperty {
 	 *
 	 * @since 15.0.0
 	 */
+	#[\Override]
 	public function setVerified(string $verified): IAccountProperty {
 		$this->verified = $verified;
 		return $this;
@@ -83,6 +87,7 @@ class AccountProperty implements IAccountProperty {
 	 *
 	 * @since 15.0.0
 	 */
+	#[\Override]
 	public function getName(): string {
 		return $this->name;
 	}
@@ -92,6 +97,7 @@ class AccountProperty implements IAccountProperty {
 	 *
 	 * @since 15.0.0
 	 */
+	#[\Override]
 	public function getValue(): string {
 		return $this->value;
 	}
@@ -101,6 +107,7 @@ class AccountProperty implements IAccountProperty {
 	 *
 	 * @since 15.0.0
 	 */
+	#[\Override]
 	public function getScope(): string {
 		return $this->scope;
 	}
@@ -123,19 +130,23 @@ class AccountProperty implements IAccountProperty {
 	 *
 	 * @since 15.0.0
 	 */
+	#[\Override]
 	public function getVerified(): string {
 		return $this->verified;
 	}
 
+	#[\Override]
 	public function setVerificationData(string $verificationData): IAccountProperty {
 		$this->verificationData = $verificationData;
 		return $this;
 	}
 
+	#[\Override]
 	public function getVerificationData(): string {
 		return $this->verificationData;
 	}
 
+	#[\Override]
 	public function setLocallyVerified(string $verified): IAccountProperty {
 		if (!in_array($verified, [
 			IAccountManager::NOT_VERIFIED,
@@ -148,6 +159,7 @@ class AccountProperty implements IAccountProperty {
 		return $this;
 	}
 
+	#[\Override]
 	public function getLocallyVerified(): string {
 		return $this->locallyVerified;
 	}
diff --git a/lib/private/Accounts/AccountPropertyCollection.php b/lib/private/Accounts/AccountPropertyCollection.php
index 75eea76e686..b163b7ac87d 100644
--- a/lib/private/Accounts/AccountPropertyCollection.php
+++ b/lib/private/Accounts/AccountPropertyCollection.php
@@ -21,6 +21,7 @@ class AccountPropertyCollection implements IAccountPropertyCollection {
 	) {
 	}
 
+	#[\Override]
 	public function setProperties(array $properties): IAccountPropertyCollection {
 		/** @var IAccountProperty $property */
 		$this->properties = [];
@@ -30,10 +31,12 @@ class AccountPropertyCollection implements IAccountPropertyCollection {
 		return $this;
 	}
 
+	#[\Override]
 	public function getProperties(): array {
 		return $this->properties;
 	}
 
+	#[\Override]
 	public function addProperty(IAccountProperty $property): IAccountPropertyCollection {
 		if ($property->getName() !== $this->collectionName) {
 			throw new InvalidArgumentException('Provided property does not match collection name');
@@ -42,6 +45,7 @@ class AccountPropertyCollection implements IAccountPropertyCollection {
 		return $this;
 	}
 
+	#[\Override]
 	public function addPropertyWithDefaults(string $value): IAccountPropertyCollection {
 		$property = new AccountProperty(
 			$this->collectionName,
@@ -54,6 +58,7 @@ class AccountPropertyCollection implements IAccountPropertyCollection {
 		return $this;
 	}
 
+	#[\Override]
 	public function removeProperty(IAccountProperty $property): IAccountPropertyCollection {
 		$ref = array_search($property, $this->properties, true);
 		if ($ref !== false) {
@@ -62,6 +67,7 @@ class AccountPropertyCollection implements IAccountPropertyCollection {
 		return $this;
 	}
 
+	#[\Override]
 	public function getPropertyByValue(string $value): ?IAccountProperty {
 		foreach ($this->properties as $i => $property) {
 			if ($property->getValue() === $value) {
@@ -71,6 +77,7 @@ class AccountPropertyCollection implements IAccountPropertyCollection {
 		return null;
 	}
 
+	#[\Override]
 	public function removePropertyByValue(string $value): IAccountPropertyCollection {
 		foreach ($this->properties as $i => $property) {
 			if ($property->getValue() === $value) {
@@ -80,10 +87,12 @@ class AccountPropertyCollection implements IAccountPropertyCollection {
 		return $this;
 	}
 
+	#[\Override]
 	public function jsonSerialize(): array {
 		return [$this->collectionName => $this->properties];
 	}
 
+	#[\Override]
 	public function getName(): string {
 		return $this->collectionName;
 	}
diff --git a/lib/private/Accounts/Hooks.php b/lib/private/Accounts/Hooks.php
index 12f2b4777f8..eebc2300f49 100644
--- a/lib/private/Accounts/Hooks.php
+++ b/lib/private/Accounts/Hooks.php
@@ -50,6 +50,7 @@ class Hooks implements IEventListener {
 		}
 	}
 
+	#[\Override]
 	public function handle(Event $event): void {
 		if (!$event instanceof UserChangedEvent) {
 			return;
diff --git a/lib/private/Activity/ActivitySettingsAdapter.php b/lib/private/Activity/ActivitySettingsAdapter.php
index 27c85ee5554..a165d32dc98 100644
--- a/lib/private/Activity/ActivitySettingsAdapter.php
+++ b/lib/private/Activity/ActivitySettingsAdapter.php
@@ -23,30 +23,37 @@ class ActivitySettingsAdapter extends ActivitySettings {
 	) {
 	}
 
+	#[\Override]
 	public function getIdentifier() {
 		return $this->oldSettings->getIdentifier();
 	}
 
+	#[\Override]
 	public function getName() {
 		return $this->oldSettings->getName();
 	}
 
+	#[\Override]
 	public function getGroupIdentifier() {
 		return 'other';
 	}
 
+	#[\Override]
 	public function getGroupName() {
 		return $this->l10n->t('Other activities');
 	}
 
+	#[\Override]
 	public function getPriority() {
 		return $this->oldSettings->getPriority();
 	}
 
+	#[\Override]
 	public function canChangeMail() {
 		return $this->oldSettings->canChangeMail();
 	}
 
+	#[\Override]
 	public function isDefaultEnabledMail() {
 		return $this->oldSettings->isDefaultEnabledMail();
 	}
diff --git a/lib/private/Activity/Event.php b/lib/private/Activity/Event.php
index 6a2bc5dba77..1c3ea936d82 100644
--- a/lib/private/Activity/Event.php
+++ b/lib/private/Activity/Event.php
@@ -70,6 +70,7 @@ class Event implements IEvent {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function setApp(string $app): IEvent {
 		if ($app === '' || isset($app[32])) {
 			throw new InvalidValueException('app');
@@ -81,6 +82,7 @@ class Event implements IEvent {
 	/**
 	 * @return string
 	 */
+	#[\Override]
 	public function getApp(): string {
 		return $this->app;
 	}
@@ -88,6 +90,7 @@ class Event implements IEvent {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function setType(string $type): IEvent {
 		if ($type === '' || isset($type[255])) {
 			throw new InvalidValueException('type');
@@ -99,6 +102,7 @@ class Event implements IEvent {
 	/**
 	 * @return string
 	 */
+	#[\Override]
 	public function getType(): string {
 		return $this->type;
 	}
@@ -106,6 +110,7 @@ class Event implements IEvent {
 	/**
 	 *  {@inheritDoc}
 	 */
+	#[\Override]
 	public function setAffectedUser(string $affectedUser): IEvent {
 		if ($affectedUser === '' || isset($affectedUser[64])) {
 			throw new InvalidValueException('affectedUser');
@@ -117,6 +122,7 @@ class Event implements IEvent {
 	/**
 	 * @return string
 	 */
+	#[\Override]
 	public function getAffectedUser(): string {
 		return $this->affectedUser;
 	}
@@ -124,6 +130,7 @@ class Event implements IEvent {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function setAuthor(string $author): IEvent {
 		if (isset($author[64])) {
 			throw new InvalidValueException('author');
@@ -135,6 +142,7 @@ class Event implements IEvent {
 	/**
 	 * @return string
 	 */
+	#[\Override]
 	public function getAuthor(): string {
 		return $this->author;
 	}
@@ -142,6 +150,7 @@ class Event implements IEvent {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function setTimestamp(int $timestamp): IEvent {
 		if ($timestamp < 0) {
 			throw new InvalidValueException('timestamp');
@@ -153,6 +162,7 @@ class Event implements IEvent {
 	/**
 	 * @return int
 	 */
+	#[\Override]
 	public function getTimestamp(): int {
 		return $this->timestamp;
 	}
@@ -160,6 +170,7 @@ class Event implements IEvent {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function setSubject(string $subject, array $parameters = []): IEvent {
 		if (isset($subject[255])) {
 			throw new InvalidValueException('subject');
@@ -172,6 +183,7 @@ class Event implements IEvent {
 	/**
 	 * @return string
 	 */
+	#[\Override]
 	public function getSubject(): string {
 		return $this->subject;
 	}
@@ -179,6 +191,7 @@ class Event implements IEvent {
 	/**
 	 * @return array
 	 */
+	#[\Override]
 	public function getSubjectParameters(): array {
 		return $this->subjectParameters;
 	}
@@ -186,6 +199,7 @@ class Event implements IEvent {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function setParsedSubject(string $subject): IEvent {
 		if ($subject === '') {
 			throw new InvalidValueException('parsedSubject');
@@ -198,6 +212,7 @@ class Event implements IEvent {
 	 * @return string
 	 * @since 11.0.0
 	 */
+	#[\Override]
 	public function getParsedSubject(): string {
 		return $this->subjectParsed;
 	}
@@ -205,6 +220,7 @@ class Event implements IEvent {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function setRichSubject(string $subject, array $parameters = []): IEvent {
 		if ($subject === '') {
 			throw new InvalidValueException('richSubject');
@@ -227,6 +243,7 @@ class Event implements IEvent {
 	 * @return string
 	 * @since 11.0.0
 	 */
+	#[\Override]
 	public function getRichSubject(): string {
 		return $this->subjectRich;
 	}
@@ -235,6 +252,7 @@ class Event implements IEvent {
 	 * @return array<string, array<string, string>>
 	 * @since 11.0.0
 	 */
+	#[\Override]
 	public function getRichSubjectParameters(): array {
 		return $this->subjectRichParameters;
 	}
@@ -242,6 +260,7 @@ class Event implements IEvent {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function setMessage(string $message, array $parameters = []): IEvent {
 		if (isset($message[255])) {
 			throw new InvalidValueException('message');
@@ -254,6 +273,7 @@ class Event implements IEvent {
 	/**
 	 * @return string
 	 */
+	#[\Override]
 	public function getMessage(): string {
 		return $this->message;
 	}
@@ -261,6 +281,7 @@ class Event implements IEvent {
 	/**
 	 * @return array
 	 */
+	#[\Override]
 	public function getMessageParameters(): array {
 		return $this->messageParameters;
 	}
@@ -268,6 +289,7 @@ class Event implements IEvent {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function setParsedMessage(string $message): IEvent {
 		$this->messageParsed = $message;
 		return $this;
@@ -277,6 +299,7 @@ class Event implements IEvent {
 	 * @return string
 	 * @since 11.0.0
 	 */
+	#[\Override]
 	public function getParsedMessage(): string {
 		return $this->messageParsed;
 	}
@@ -284,6 +307,7 @@ class Event implements IEvent {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function setRichMessage(string $message, array $parameters = []): IEvent {
 		$this->messageRich = $message;
 		$this->messageRichParameters = $parameters;
@@ -303,6 +327,7 @@ class Event implements IEvent {
 	 * @return string
 	 * @since 11.0.0
 	 */
+	#[\Override]
 	public function getRichMessage(): string {
 		return $this->messageRich;
 	}
@@ -311,6 +336,7 @@ class Event implements IEvent {
 	 * @return array<string, array<string, string>>
 	 * @since 11.0.0
 	 */
+	#[\Override]
 	public function getRichMessageParameters(): array {
 		return $this->messageRichParameters;
 	}
@@ -318,6 +344,7 @@ class Event implements IEvent {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function setObject(string $objectType, string|int $objectId, string $objectName = ''): IEvent {
 		if (isset($objectType[255])) {
 			throw new InvalidValueException('objectType');
@@ -337,6 +364,7 @@ class Event implements IEvent {
 	/**
 	 * @return string
 	 */
+	#[\Override]
 	public function getObjectType(): string {
 		return $this->objectType;
 	}
@@ -344,6 +372,7 @@ class Event implements IEvent {
 	/**
 	 * @return int|string
 	 */
+	#[\Override]
 	public function getObjectId(): string|int {
 		return $this->objectId;
 	}
@@ -351,6 +380,7 @@ class Event implements IEvent {
 	/**
 	 * @return string
 	 */
+	#[\Override]
 	public function getObjectName(): string {
 		return $this->objectName;
 	}
@@ -358,6 +388,7 @@ class Event implements IEvent {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function setLink(string $link): IEvent {
 		if (isset($link[4000])) {
 			throw new InvalidValueException('link');
@@ -369,6 +400,7 @@ class Event implements IEvent {
 	/**
 	 * @return string
 	 */
+	#[\Override]
 	public function getLink(): string {
 		return $this->link;
 	}
@@ -376,6 +408,7 @@ class Event implements IEvent {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function setIcon(string $icon): IEvent {
 		if (isset($icon[4000])) {
 			throw new InvalidValueException('icon');
@@ -388,6 +421,7 @@ class Event implements IEvent {
 	 * @return string
 	 * @since 11.0.0
 	 */
+	#[\Override]
 	public function getIcon(): string {
 		return $this->icon;
 	}
@@ -397,6 +431,7 @@ class Event implements IEvent {
 	 * @return $this
 	 * @since 11.0.0 - Since 15.0.0 returns $this
 	 */
+	#[\Override]
 	public function setChildEvent(IEvent $child): IEvent {
 		$this->child = $child;
 		return $this;
@@ -406,6 +441,7 @@ class Event implements IEvent {
 	 * @return IEvent|null
 	 * @since 11.0.0
 	 */
+	#[\Override]
 	public function getChildEvent() {
 		return $this->child;
 	}
@@ -414,6 +450,7 @@ class Event implements IEvent {
 	 * @return bool
 	 * @since 8.2.0
 	 */
+	#[\Override]
 	public function isValid(): bool {
 		return
 			$this->isValidCommon()
@@ -425,6 +462,7 @@ class Event implements IEvent {
 	 * @return bool
 	 * @since 8.2.0
 	 */
+	#[\Override]
 	public function isValidParsed(): bool {
 		if ($this->getRichSubject() !== '' || !empty($this->getRichSubjectParameters())) {
 			try {
@@ -463,11 +501,13 @@ class Event implements IEvent {
 		;
 	}
 
+	#[\Override]
 	public function setGenerateNotification(bool $generate): IEvent {
 		$this->generateNotification = $generate;
 		return $this;
 	}
 
+	#[\Override]
 	public function getGenerateNotification(): bool {
 		return $this->generateNotification;
 	}
diff --git a/lib/private/Activity/EventMerger.php b/lib/private/Activity/EventMerger.php
index 2b9294f5852..486874ddae9 100644
--- a/lib/private/Activity/EventMerger.php
+++ b/lib/private/Activity/EventMerger.php
@@ -47,6 +47,7 @@ class EventMerger implements IEventMerger {
 	 * @param IEvent|null $previousEvent
 	 * @return IEvent
 	 */
+	#[\Override]
 	public function mergeEvents($mergeParameter, IEvent $event, ?IEvent $previousEvent = null) {
 		// No second event => can not combine
 		if (!$previousEvent instanceof IEvent) {
diff --git a/lib/private/Activity/Manager.php b/lib/private/Activity/Manager.php
index 186ef843e2f..3981345c698 100644
--- a/lib/private/Activity/Manager.php
+++ b/lib/private/Activity/Manager.php
@@ -92,6 +92,7 @@ class Manager implements IManager {
 	 *
 	 * @return IEvent
 	 */
+	#[\Override]
 	public function generateEvent(): IEvent {
 		return new Event($this->validator, $this->richTextFormatter);
 	}
@@ -99,6 +100,7 @@ class Manager implements IManager {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function publish(IEvent $event): void {
 		if ($event->getAuthor() === '' && $this->session->getUser() instanceof IUser) {
 			$event->setAuthor($this->session->getUser()->getUID());
@@ -120,6 +122,7 @@ class Manager implements IManager {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function bulkPublish(IEvent $event, array $affectedUserIds, ISetting $setting): void {
 		if (empty($affectedUserIds)) {
 			throw new IncompleteActivityException('The given event is invalid');
@@ -158,6 +161,7 @@ class Manager implements IManager {
 	 *
 	 * @param \Closure $callable
 	 */
+	#[\Override]
 	public function registerConsumer(\Closure $callable): void {
 		$this->consumersClosures[] = $callable;
 		$this->consumers = [];
@@ -173,6 +177,7 @@ class Manager implements IManager {
 	 * @param string $filter Class must implement OCA\Activity\IFilter
 	 * @return void
 	 */
+	#[\Override]
 	public function registerFilter(string $filter): void {
 		$this->filterClasses[$filter] = false;
 	}
@@ -181,6 +186,7 @@ class Manager implements IManager {
 	 * @return IFilter[]
 	 * @throws \InvalidArgumentException
 	 */
+	#[\Override]
 	public function getFilters(): array {
 		foreach ($this->filterClasses as $class => $false) {
 			/** @var IFilter $filter */
@@ -200,6 +206,7 @@ class Manager implements IManager {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function getFilterById(string $id): IFilter {
 		$filters = $this->getFilters();
 
@@ -220,6 +227,7 @@ class Manager implements IManager {
 	 * @param string $provider Class must implement OCA\Activity\IProvider
 	 * @return void
 	 */
+	#[\Override]
 	public function registerProvider(string $provider): void {
 		$this->providerClasses[$provider] = false;
 	}
@@ -228,6 +236,7 @@ class Manager implements IManager {
 	 * @return IProvider[]
 	 * @throws \InvalidArgumentException
 	 */
+	#[\Override]
 	public function getProviders(): array {
 		foreach ($this->providerClasses as $class => $false) {
 			/** @var IProvider $provider */
@@ -254,6 +263,7 @@ class Manager implements IManager {
 	 * @param string $setting Class must implement OCA\Activity\ISetting
 	 * @return void
 	 */
+	#[\Override]
 	public function registerSetting(string $setting): void {
 		$this->settingsClasses[$setting] = false;
 	}
@@ -262,6 +272,7 @@ class Manager implements IManager {
 	 * @return ActivitySettings[]
 	 * @throws \InvalidArgumentException
 	 */
+	#[\Override]
 	public function getSettings(): array {
 		foreach ($this->settingsClasses as $class => $false) {
 			/** @var ISetting $setting */
@@ -285,6 +296,7 @@ class Manager implements IManager {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function getSettingById(string $id): ActivitySettings {
 		$settings = $this->getSettings();
 
@@ -300,6 +312,7 @@ class Manager implements IManager {
 	 * @param string $type
 	 * @param int|numeric-string $id
 	 */
+	#[\Override]
 	public function setFormattingObject(string $type, int|string $id): void {
 		$this->formattingObjectType = $type;
 		$this->formattingObjectId = $id;
@@ -308,6 +321,7 @@ class Manager implements IManager {
 	/**
 	 * @return bool
 	 */
+	#[\Override]
 	public function isFormattingFilteredObject(): bool {
 		return $this->formattingObjectType !== null && $this->formattingObjectId !== null
 			&& $this->formattingObjectType === $this->request->getParam('object_type')
@@ -317,6 +331,7 @@ class Manager implements IManager {
 	/**
 	 * @param bool $status Set to true, when parsing events should not use SVG icons
 	 */
+	#[\Override]
 	public function setRequirePNG(bool $status): void {
 		$this->requirePNG = $status;
 	}
@@ -324,6 +339,7 @@ class Manager implements IManager {
 	/**
 	 * @return bool
 	 */
+	#[\Override]
 	public function getRequirePNG(): bool {
 		return $this->requirePNG;
 	}
@@ -333,6 +349,7 @@ class Manager implements IManager {
 	 *
 	 * @param string|null $currentUserId
 	 */
+	#[\Override]
 	public function setCurrentUserId(?string $currentUserId = null): void {
 		$this->currentUserId = $currentUserId;
 	}
@@ -345,6 +362,7 @@ class Manager implements IManager {
 	 * @return string
 	 * @throws \UnexpectedValueException If the token is invalid, does not exist or is not unique
 	 */
+	#[\Override]
 	public function getCurrentUserId(): string {
 		if ($this->currentUserId !== null) {
 			return $this->currentUserId;
diff --git a/lib/private/AllConfig.php b/lib/private/AllConfig.php
index 4f8229a8f99..9779c91ae59 100644
--- a/lib/private/AllConfig.php
+++ b/lib/private/AllConfig.php
@@ -30,6 +30,7 @@ class AllConfig implements IConfig {
 	 * @param array $configs Associative array with `key => value` pairs
 	 *                       If value is null, the config key will be deleted
 	 */
+	#[\Override]
 	public function setSystemValues(array $configs) {
 		$this->systemConfig->setValues($configs);
 	}
@@ -40,6 +41,7 @@ class AllConfig implements IConfig {
 	 * @param string $key the key of the value, under which will be saved
 	 * @param mixed $value the value that should be stored
 	 */
+	#[\Override]
 	public function setSystemValue($key, $value) {
 		$this->systemConfig->setValue($key, $value);
 	}
@@ -51,6 +53,7 @@ class AllConfig implements IConfig {
 	 * @param mixed $default the default value to be returned if the value isn't set
 	 * @return mixed the value or $default
 	 */
+	#[\Override]
 	public function getSystemValue($key, $default = '') {
 		return $this->systemConfig->getValue($key, $default);
 	}
@@ -65,6 +68,7 @@ class AllConfig implements IConfig {
 	 *
 	 * @since 16.0.0
 	 */
+	#[\Override]
 	public function getSystemValueBool(string $key, bool $default = false): bool {
 		return (bool)$this->getSystemValue($key, $default);
 	}
@@ -79,6 +83,7 @@ class AllConfig implements IConfig {
 	 *
 	 * @since 16.0.0
 	 */
+	#[\Override]
 	public function getSystemValueInt(string $key, int $default = 0): int {
 		return (int)$this->getSystemValue($key, $default);
 	}
@@ -93,6 +98,7 @@ class AllConfig implements IConfig {
 	 *
 	 * @since 16.0.0
 	 */
+	#[\Override]
 	public function getSystemValueString(string $key, string $default = ''): string {
 		return (string)$this->getSystemValue($key, $default);
 	}
@@ -104,6 +110,7 @@ class AllConfig implements IConfig {
 	 * @param mixed $default the default value to be returned if the value isn't set
 	 * @return mixed the value or $default
 	 */
+	#[\Override]
 	public function getFilteredSystemValue($key, $default = '') {
 		return $this->systemConfig->getFilteredValue($key, $default);
 	}
@@ -113,6 +120,7 @@ class AllConfig implements IConfig {
 	 *
 	 * @param string $key the key of the value, under which it was saved
 	 */
+	#[\Override]
 	public function deleteSystemValue($key) {
 		$this->systemConfig->deleteValue($key);
 	}
@@ -124,6 +132,7 @@ class AllConfig implements IConfig {
 	 * @return string[] the keys stored for the app
 	 * @deprecated 29.0.0 Use {@see IAppConfig} directly
 	 */
+	#[\Override]
 	public function getAppKeys($appName) {
 		return Server::get(AppConfig::class)->getKeys($appName);
 	}
@@ -136,6 +145,7 @@ class AllConfig implements IConfig {
 	 * @param string|float|int $value the value that should be stored
 	 * @deprecated 29.0.0 Use {@see IAppConfig} directly
 	 */
+	#[\Override]
 	public function setAppValue($appName, $key, $value) {
 		Server::get(AppConfig::class)->setValue($appName, $key, $value);
 	}
@@ -149,6 +159,7 @@ class AllConfig implements IConfig {
 	 * @return string the saved value
 	 * @deprecated 29.0.0 Use {@see IAppConfig} directly
 	 */
+	#[\Override]
 	public function getAppValue($appName, $key, $default = '') {
 		return Server::get(AppConfig::class)->getValue($appName, $key, $default) ?? $default;
 	}
@@ -160,6 +171,7 @@ class AllConfig implements IConfig {
 	 * @param string $key the key of the value, under which it was saved
 	 * @deprecated 29.0.0 Use {@see IAppConfig} directly
 	 */
+	#[\Override]
 	public function deleteAppValue($appName, $key) {
 		Server::get(AppConfig::class)->deleteKey($appName, $key);
 	}
@@ -170,6 +182,7 @@ class AllConfig implements IConfig {
 	 * @param string $appName the appName the configs are stored under
 	 * @deprecated 29.0.0 Use {@see IAppConfig} directly
 	 */
+	#[\Override]
 	public function deleteAppValues($appName) {
 		Server::get(AppConfig::class)->deleteApp($appName);
 	}
@@ -193,6 +206,7 @@ class AllConfig implements IConfig {
 	 * @see IUserConfig::getValueArray
 	 * @see IUserConfig::getValueBool
 	 */
+	#[\Override]
 	public function setUserValue($userId, $appName, $key, $value, $preCondition = null) {
 		if (!is_int($value) && !is_float($value) && !is_string($value)) {
 			throw new \UnexpectedValueException('Only integers, floats and strings are allowed as value');
@@ -228,6 +242,7 @@ class AllConfig implements IConfig {
 	 * @see IUserConfig::getValueArray
 	 * @see IUserConfig::getValueBool
 	 */
+	#[\Override]
 	public function getUserValue($userId, $appName, $key, $default = '') {
 		if ($userId === null || $userId === '') {
 			return $default;
@@ -250,6 +265,7 @@ class AllConfig implements IConfig {
 	 * @return string[]
 	 * @deprecated 31.0.0 - use {@see IUserConfig::getKeys} directly
 	 */
+	#[\Override]
 	public function getUserKeys($userId, $appName) {
 		return Server::get(IUserConfig::class)->getKeys($userId, $appName);
 	}
@@ -263,6 +279,7 @@ class AllConfig implements IConfig {
 	 *
 	 * @deprecated 31.0.0 - use {@see IUserConfig::deleteUserConfig} directly
 	 */
+	#[\Override]
 	public function deleteUserValue($userId, $appName, $key) {
 		Server::get(IUserConfig::class)->deleteUserConfig($userId, $appName, $key);
 	}
@@ -274,6 +291,7 @@ class AllConfig implements IConfig {
 	 *
 	 * @deprecated 31.0.0 - use {@see IUserConfig::deleteAllUserConfig} directly
 	 */
+	#[\Override]
 	public function deleteAllUserValues($userId) {
 		if ($userId === null) {
 			return;
@@ -288,6 +306,7 @@ class AllConfig implements IConfig {
 	 *
 	 * @deprecated 31.0.0 - use {@see IUserConfig::deleteApp} directly
 	 */
+	#[\Override]
 	public function deleteAppFromAllUsers($appName) {
 		Server::get(IUserConfig::class)->deleteApp($appName);
 	}
@@ -304,6 +323,7 @@ class AllConfig implements IConfig {
 	 *                 ]
 	 * @deprecated 31.0.0 - use {@see IUserConfig::getAllValues} directly
 	 */
+	#[\Override]
 	public function getAllUserValues(?string $userId): array {
 		if ($userId === null || $userId === '') {
 			return [];
@@ -329,6 +349,7 @@ class AllConfig implements IConfig {
 	 * @return array Mapped values: userId => value
 	 * @deprecated 31.0.0 - use {@see IUserConfig::getValuesByUsers} directly
 	 */
+	#[\Override]
 	public function getUserValueForUsers($appName, $key, $userIds) {
 		return Server::get(IUserConfig::class)->getValuesByUsers($appName, $key, ValueType::MIXED, $userIds);
 	}
@@ -343,6 +364,7 @@ class AllConfig implements IConfig {
 	 * @return list<string> of user IDs
 	 * @deprecated 31.0.0 - use {@see IUserConfig::searchUsersByValueString} directly
 	 */
+	#[\Override]
 	public function getUsersForUserValue($appName, $key, $value) {
 		/** @var list<string> $result */
 		$result = iterator_to_array(Server::get(IUserConfig::class)->searchUsersByValueString($appName, $key, $value));
diff --git a/lib/private/App/AppManager.php b/lib/private/App/AppManager.php
index 2859e00aa8f..3cf84ef9046 100644
--- a/lib/private/App/AppManager.php
+++ b/lib/private/App/AppManager.php
@@ -104,6 +104,7 @@ class AppManager implements IAppManager {
 		return $this->navigationManager;
 	}
 
+	#[\Override]
 	public function getAppIcon(string $appId, bool $dark = false): ?string {
 		$possibleIcons = $dark ? [$appId . '-dark.svg', 'app-dark.svg'] : [$appId . '.svg', 'app.svg'];
 		$icon = null;
@@ -168,6 +169,7 @@ class AppManager implements IAppManager {
 	 *
 	 * @return string[]
 	 */
+	#[\Override]
 	public function getInstalledApps() {
 		return $this->getEnabledApps();
 	}
@@ -177,6 +179,7 @@ class AppManager implements IAppManager {
 	 *
 	 * @return list<string>
 	 */
+	#[\Override]
 	public function getEnabledApps(): array {
 		return array_keys($this->getEnabledAppsValues());
 	}
@@ -186,6 +189,7 @@ class AppManager implements IAppManager {
 	 *
 	 * @return list<string> an array of app names (string IDs)
 	 */
+	#[\Override]
 	public function getAllAppsInAppsFolders(): array {
 		$apps = [];
 
@@ -218,6 +222,7 @@ class AppManager implements IAppManager {
 	 * @param IUser $user
 	 * @return list<string>
 	 */
+	#[\Override]
 	public function getEnabledAppsForUser(IUser $user) {
 		$apps = $this->getEnabledAppsValues();
 		$appsForUser = array_filter($apps, function ($enabled) use ($user) {
@@ -226,6 +231,7 @@ class AppManager implements IAppManager {
 		return array_keys($appsForUser);
 	}
 
+	#[\Override]
 	public function getEnabledAppsForGroup(IGroup $group): array {
 		$apps = $this->getEnabledAppsValues();
 		$appsForGroups = array_filter($apps, function ($enabled) use ($group) {
@@ -246,6 +252,7 @@ class AppManager implements IAppManager {
 	 *
 	 * if $types is set to non-empty array, only apps of those types will be loaded
 	 */
+	#[\Override]
 	public function loadApps(array $types = []): bool {
 		if ($this->config->getSystemValueBool('maintenance', false)) {
 			return false;
@@ -295,6 +302,7 @@ class AppManager implements IAppManager {
 	 * @param array $types
 	 * @return bool
 	 */
+	#[\Override]
 	public function isType(string $app, array $types): bool {
 		$appTypes = $this->getAppTypes($app);
 		foreach ($types as $type) {
@@ -331,6 +339,7 @@ class AppManager implements IAppManager {
 		return $this->autoDisabledApps;
 	}
 
+	#[\Override]
 	public function getAppRestriction(string $appId): array {
 		$values = $this->getEnabledAppsValues();
 
@@ -351,6 +360,7 @@ class AppManager implements IAppManager {
 	 * @param IUser|null $user (optional) if not defined, the currently logged in user will be used
 	 * @return bool
 	 */
+	#[\Override]
 	public function isEnabledForUser($appId, $user = null) {
 		if ($this->isAlwaysEnabled($appId)) {
 			return true;
@@ -425,10 +435,12 @@ class AppManager implements IAppManager {
 	 *
 	 * @param string $appId
 	 */
+	#[\Override]
 	public function isInstalled($appId): bool {
 		return $this->isEnabledForAnyone($appId);
 	}
 
+	#[\Override]
 	public function isEnabledForAnyone(string $appId): bool {
 		$enabledAppsValues = $this->getEnabledAppsValues();
 		return isset($enabledAppsValues[$appId]);
@@ -455,6 +467,7 @@ class AppManager implements IAppManager {
 		$this->config->setSystemValue('app_install_overwrite', $ignoreMaxApps);
 	}
 
+	#[\Override]
 	public function loadApp(string $app): void {
 		if (isset($this->loadedApps[$app])) {
 			return;
@@ -569,6 +582,7 @@ class AppManager implements IAppManager {
 	 * @param string $app app id
 	 * @since 26.0.0
 	 */
+	#[\Override]
 	public function isAppLoaded(string $app): bool {
 		return isset($this->loadedApps[$app]);
 	}
@@ -581,6 +595,7 @@ class AppManager implements IAppManager {
 	 * @throws AppPathNotFoundException
 	 * @throws \InvalidArgumentException if the application is not installed yet
 	 */
+	#[\Override]
 	public function enableApp(string $appId, bool $forceEnable = false): void {
 		// Check if app exists
 		$this->getAppPath($appId);
@@ -610,6 +625,7 @@ class AppManager implements IAppManager {
 	 * @param string[] $types
 	 * @return bool
 	 */
+	#[\Override]
 	public function hasProtectedAppType($types) {
 		if (empty($types)) {
 			return false;
@@ -628,6 +644,7 @@ class AppManager implements IAppManager {
 	 * @throws \InvalidArgumentException if app can't be enabled for groups
 	 * @throws AppPathNotFoundException
 	 */
+	#[\Override]
 	public function enableAppForGroups(string $appId, array $groups, bool $forceEnable = false): void {
 		// Check if app exists
 		$this->getAppPath($appId);
@@ -671,6 +688,7 @@ class AppManager implements IAppManager {
 	 * @param bool $automaticDisabled
 	 * @throws \Exception if app can't be disabled
 	 */
+	#[\Override]
 	public function disableApp($appId, $automaticDisabled = false): void {
 		if ($this->isAlwaysEnabled($appId)) {
 			throw new \Exception("$appId can't be disabled.");
@@ -707,6 +725,7 @@ class AppManager implements IAppManager {
 	 *
 	 * @throws AppPathNotFoundException if app folder can't be found
 	 */
+	#[\Override]
 	public function getAppPath(string $appId, bool $ignoreCache = false): string {
 		$appId = $this->cleanAppId($appId);
 		if ($appId === '') {
@@ -726,6 +745,7 @@ class AppManager implements IAppManager {
 	 *
 	 * @throws AppPathNotFoundException if app path can't be found
 	 */
+	#[\Override]
 	public function getAppWebPath(string $appId): string {
 		if (($dir = $this->findAppInDirectories($appId)) != false) {
 			return \OC::$WEBROOT . $dir['url'] . '/' . $appId;
@@ -787,6 +807,7 @@ class AppManager implements IAppManager {
 	/**
 	 * Clear the cached list of apps when enabling/disabling an app
 	 */
+	#[\Override]
 	public function clearAppsCache(): void {
 		$this->appInfos = [];
 	}
@@ -823,6 +844,7 @@ class AppManager implements IAppManager {
 	 * @param string|null $lang
 	 * @return array|null app info
 	 */
+	#[\Override]
 	public function getAppInfo(string $appId, bool $path = false, $lang = null) {
 		if ($path) {
 			throw new \InvalidArgumentException('Calling IAppManager::getAppInfo() with a path is no longer supported. Please call IAppManager::getAppInfoByPath() instead and verify that the path is good before calling.');
@@ -846,6 +868,7 @@ class AppManager implements IAppManager {
 		return $data;
 	}
 
+	#[\Override]
 	public function getAppInfoByPath(string $path, ?string $lang = null): ?array {
 		if (!str_ends_with($path, '/appinfo/info.xml')) {
 			return null;
@@ -861,6 +884,7 @@ class AppManager implements IAppManager {
 		return $data;
 	}
 
+	#[\Override]
 	public function getAppVersion(string $appId, bool $useCache = true): string {
 		if (!$useCache || !isset($this->appVersions[$appId])) {
 			if ($appId === 'core') {
@@ -878,6 +902,7 @@ class AppManager implements IAppManager {
 	 *
 	 * @return array<string, string>
 	 */
+	#[\Override]
 	public function getAppInstalledVersions(bool $onlyEnabled = false): array {
 		return $this->getAppConfig()->getAppInstalledVersions($onlyEnabled);
 	}
@@ -909,6 +934,7 @@ class AppManager implements IAppManager {
 	 * @inheritdoc
 	 * In case you change this method, also change \OC\App\CodeChecker\InfoChecker::isShipped()
 	 */
+	#[\Override]
 	public function isShipped($appId) {
 		$this->loadShippedJson();
 		return in_array($appId, $this->shippedApps, true);
@@ -943,6 +969,7 @@ class AppManager implements IAppManager {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function getAlwaysEnabledApps() {
 		$this->loadShippedJson();
 		return $this->alwaysEnabled;
@@ -951,6 +978,7 @@ class AppManager implements IAppManager {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function isDefaultEnabled(string $appId): bool {
 		return (in_array($appId, $this->getDefaultEnabledApps()));
 	}
@@ -958,6 +986,7 @@ class AppManager implements IAppManager {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function getDefaultEnabledApps(): array {
 		$this->loadShippedJson();
 
@@ -967,6 +996,7 @@ class AppManager implements IAppManager {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function getDefaultAppForUser(?IUser $user = null, bool $withFallbacks = true): string {
 		$id = $this->getNavigationManager()->getDefaultEntryIdForUser($user, $withFallbacks);
 		$entry = $this->getNavigationManager()->get($id);
@@ -976,6 +1006,7 @@ class AppManager implements IAppManager {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function getDefaultApps(): array {
 		$ids = $this->getNavigationManager()->getDefaultEntryIds();
 
@@ -988,6 +1019,7 @@ class AppManager implements IAppManager {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function setDefaultApps(array $defaultApps): void {
 		$entries = $this->getNavigationManager()->getAll();
 		$ids = [];
@@ -1002,6 +1034,7 @@ class AppManager implements IAppManager {
 		$this->getNavigationManager()->setDefaultEntryIds($ids);
 	}
 
+	#[\Override]
 	public function isBackendRequired(string $backend): bool {
 		foreach ($this->appInfos as $appInfo) {
 			if (
@@ -1031,6 +1064,7 @@ class AppManager implements IAppManager {
 	 * @psalm-taint-escape sql
 	 * @psalm-taint-escape unserialize
 	 */
+	#[\Override]
 	public function cleanAppId(string $app): string {
 		/* Only lowercase alphanumeric is allowed */
 		$cleanAppId = preg_replace('/(^[0-9_-]+|[^a-z0-9_-]+|[_-]+$)/', '', $app, -1, $count);
@@ -1068,6 +1102,7 @@ class AppManager implements IAppManager {
 	 *
 	 * @throws AppPathNotFoundException if app folder can't be found
 	 */
+	#[\Override]
 	public function upgradeApp(string $appId): bool {
 		// for apps distributed with core, we refresh app path in case the downloaded version
 		// have been installed in custom apps and not in the default path
@@ -1138,6 +1173,7 @@ class AppManager implements IAppManager {
 		return true;
 	}
 
+	#[\Override]
 	public function isUpgradeRequired(string $appId): bool {
 		$versions = $this->getAppInstalledVersions();
 		$currentVersion = $this->getAppVersion($appId);
@@ -1157,6 +1193,7 @@ class AppManager implements IAppManager {
 		return false;
 	}
 
+	#[\Override]
 	public function isAppCompatible(string $serverVersion, array $appInfo, bool $ignoreMax = false): bool {
 		return count($this->dependencyAnalyzer->analyzeServerVersion($serverVersion, $appInfo, $ignoreMax)) === 0;
 	}
diff --git a/lib/private/App/AppStore/Bundles/EducationBundle.php b/lib/private/App/AppStore/Bundles/EducationBundle.php
index 47a14d3c530..e91fa3b49e2 100644
--- a/lib/private/App/AppStore/Bundles/EducationBundle.php
+++ b/lib/private/App/AppStore/Bundles/EducationBundle.php
@@ -12,6 +12,7 @@ class EducationBundle extends Bundle {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function getName() {
 		return $this->l10n->t('Education bundle');
 	}
@@ -19,6 +20,7 @@ class EducationBundle extends Bundle {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function getAppIdentifiers() {
 		return [
 			'dashboard',
diff --git a/lib/private/App/AppStore/Bundles/EnterpriseBundle.php b/lib/private/App/AppStore/Bundles/EnterpriseBundle.php
index fbc4019353b..d8845830cf7 100644
--- a/lib/private/App/AppStore/Bundles/EnterpriseBundle.php
+++ b/lib/private/App/AppStore/Bundles/EnterpriseBundle.php
@@ -12,6 +12,7 @@ class EnterpriseBundle extends Bundle {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function getName(): string {
 		return $this->l10n->t('Enterprise bundle');
 	}
@@ -19,6 +20,7 @@ class EnterpriseBundle extends Bundle {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function getAppIdentifiers(): array {
 		return [
 			'admin_audit',
diff --git a/lib/private/App/AppStore/Bundles/GroupwareBundle.php b/lib/private/App/AppStore/Bundles/GroupwareBundle.php
index cddb18cf817..6cc535329a2 100644
--- a/lib/private/App/AppStore/Bundles/GroupwareBundle.php
+++ b/lib/private/App/AppStore/Bundles/GroupwareBundle.php
@@ -12,6 +12,7 @@ class GroupwareBundle extends Bundle {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function getName() {
 		return $this->l10n->t('Groupware bundle');
 	}
@@ -19,6 +20,7 @@ class GroupwareBundle extends Bundle {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function getAppIdentifiers() {
 		return [
 			'calendar',
diff --git a/lib/private/App/AppStore/Bundles/HubBundle.php b/lib/private/App/AppStore/Bundles/HubBundle.php
index 354e01e25c2..640e8a610a3 100644
--- a/lib/private/App/AppStore/Bundles/HubBundle.php
+++ b/lib/private/App/AppStore/Bundles/HubBundle.php
@@ -9,10 +9,12 @@ declare(strict_types=1);
 namespace OC\App\AppStore\Bundles;
 
 class HubBundle extends Bundle {
+	#[\Override]
 	public function getName() {
 		return $this->l10n->t('Hub bundle');
 	}
 
+	#[\Override]
 	public function getAppIdentifiers() {
 		$hubApps = [
 			'spreed',
diff --git a/lib/private/App/AppStore/Bundles/PublicSectorBundle.php b/lib/private/App/AppStore/Bundles/PublicSectorBundle.php
index 06c5c6c2c39..759e0e551c2 100644
--- a/lib/private/App/AppStore/Bundles/PublicSectorBundle.php
+++ b/lib/private/App/AppStore/Bundles/PublicSectorBundle.php
@@ -12,6 +12,7 @@ class PublicSectorBundle extends Bundle {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function getName(): string {
 		return $this->l10n->t('Public sector bundle');
 	}
@@ -19,6 +20,7 @@ class PublicSectorBundle extends Bundle {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function getAppIdentifiers(): array {
 
 		return [
diff --git a/lib/private/App/AppStore/Bundles/SocialSharingBundle.php b/lib/private/App/AppStore/Bundles/SocialSharingBundle.php
index 013e8db3a83..533fafb2d92 100644
--- a/lib/private/App/AppStore/Bundles/SocialSharingBundle.php
+++ b/lib/private/App/AppStore/Bundles/SocialSharingBundle.php
@@ -12,6 +12,7 @@ class SocialSharingBundle extends Bundle {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function getName() {
 		return $this->l10n->t('Social sharing bundle');
 	}
@@ -19,6 +20,7 @@ class SocialSharingBundle extends Bundle {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function getAppIdentifiers() {
 		return [
 			'socialsharing_twitter',
diff --git a/lib/private/App/AppStore/Fetcher/AppDiscoverFetcher.php b/lib/private/App/AppStore/Fetcher/AppDiscoverFetcher.php
index 8389e525750..535ad42665c 100644
--- a/lib/private/App/AppStore/Fetcher/AppDiscoverFetcher.php
+++ b/lib/private/App/AppStore/Fetcher/AppDiscoverFetcher.php
@@ -47,6 +47,7 @@ class AppDiscoverFetcher extends Fetcher {
 	 *
 	 * @param bool $allowUnstable Include also upcoming entries
 	 */
+	#[\Override]
 	public function get($allowUnstable = false) {
 		$entries = parent::get(false);
 		$now = new DateTimeImmutable();
diff --git a/lib/private/App/AppStore/Fetcher/AppFetcher.php b/lib/private/App/AppStore/Fetcher/AppFetcher.php
index bbf4b00245b..8b4c31573ef 100644
--- a/lib/private/App/AppStore/Fetcher/AppFetcher.php
+++ b/lib/private/App/AppStore/Fetcher/AppFetcher.php
@@ -51,6 +51,7 @@ class AppFetcher extends Fetcher {
 	 *
 	 * @return array
 	 */
+	#[\Override]
 	protected function fetch($ETag, $content, $allowUnstable = false) {
 		/** @var mixed[] $response */
 		$response = parent::fetch($ETag, $content);
@@ -145,12 +146,14 @@ class AppFetcher extends Fetcher {
 	 * @param string $fileName
 	 * @param bool $ignoreMaxVersion
 	 */
+	#[\Override]
 	public function setVersion(string $version, string $fileName = 'apps.json', bool $ignoreMaxVersion = true) {
 		parent::setVersion($version);
 		$this->fileName = $fileName;
 		$this->ignoreMaxVersion = $ignoreMaxVersion;
 	}
 
+	#[\Override]
 	public function get($allowUnstable = false): array {
 		$allowPreReleases = $allowUnstable || $this->getChannel() === 'beta' || $this->getChannel() === 'daily' || $this->getChannel() === 'git';
 
diff --git a/lib/private/AppConfig.php b/lib/private/AppConfig.php
index e4da80b94d9..40e5a84d8b2 100644
--- a/lib/private/AppConfig.php
+++ b/lib/private/AppConfig.php
@@ -98,6 +98,7 @@ class AppConfig implements IAppConfig {
 	 * @return list<string> list of app ids
 	 * @since 7.0.0
 	 */
+	#[\Override]
 	public function getApps(): array {
 		$this->loadConfig(lazy: true);
 		$apps = array_merge(array_keys($this->fastCache), array_keys($this->lazyCache));
@@ -115,6 +116,7 @@ class AppConfig implements IAppConfig {
 	 *
 	 * @since 29.0.0
 	 */
+	#[\Override]
 	public function getKeys(string $app): array {
 		$this->assertParams($app);
 		$this->loadConfig($app, true);
@@ -133,6 +135,7 @@ class AppConfig implements IAppConfig {
 	 * @return list<string> list of stored config keys
 	 * @since 32.0.0
 	 */
+	#[\Override]
 	public function searchKeys(string $app, string $prefix = '', bool $lazy = false): array {
 		$this->assertParams($app);
 		$this->loadConfig($app, $lazy);
@@ -161,6 +164,7 @@ class AppConfig implements IAppConfig {
 	 * @since 7.0.0
 	 * @since 29.0.0 Added the $lazy argument
 	 */
+	#[\Override]
 	public function hasKey(string $app, string $key, ?bool $lazy = false): bool {
 		$this->assertParams($app, $key);
 		$this->loadConfig($app, $lazy ?? true);
@@ -184,6 +188,7 @@ class AppConfig implements IAppConfig {
 	 * @throws AppConfigUnknownKeyException if config key is not known
 	 * @since 29.0.0
 	 */
+	#[\Override]
 	public function isSensitive(string $app, string $key, ?bool $lazy = false): bool {
 		$this->assertParams($app, $key);
 		$this->loadConfig(null, $lazy ?? true);
@@ -207,6 +212,7 @@ class AppConfig implements IAppConfig {
 	 * @see IAppConfig for details about lazy loading
 	 * @since 29.0.0
 	 */
+	#[\Override]
 	public function isLazy(string $app, string $key): bool {
 		$this->assertParams($app, $key);
 		$this->matchAndApplyLexiconDefinition($app, $key);
@@ -235,6 +241,7 @@ class AppConfig implements IAppConfig {
 	 * @return array<string, string|int|float|bool|array> [configKey => configValue]
 	 * @since 29.0.0
 	 */
+	#[\Override]
 	public function getAllValues(string $app, string $prefix = '', bool $filtered = false): array {
 		$this->assertParams($app, $prefix);
 		// if we want to filter values, we need to get sensitivity
@@ -280,6 +287,7 @@ class AppConfig implements IAppConfig {
 	 * @return array<string, string|int|float|bool|array> [appId => configValue]
 	 * @since 29.0.0
 	 */
+	#[\Override]
 	public function searchValues(string $key, bool $lazy = false, ?int $typedAs = null): array {
 		$this->assertParams('', $key, true);
 		$this->loadConfig(null, $lazy);
@@ -360,6 +368,7 @@ class AppConfig implements IAppConfig {
 	 * @since 29.0.0
 	 * @see IAppConfig for explanation about lazy loading
 	 */
+	#[\Override]
 	public function getValueString(
 		string $app,
 		string $key,
@@ -383,6 +392,7 @@ class AppConfig implements IAppConfig {
 	 * @since 29.0.0
 	 * @see IAppConfig for explanation about lazy loading
 	 */
+	#[\Override]
 	public function getValueInt(
 		string $app,
 		string $key,
@@ -406,6 +416,7 @@ class AppConfig implements IAppConfig {
 	 * @since 29.0.0
 	 * @see IAppConfig for explanation about lazy loading
 	 */
+	#[\Override]
 	public function getValueFloat(string $app, string $key, float $default = 0, bool $lazy = false): float {
 		return (float)$this->getTypedValue($app, $key, (string)$default, $lazy, self::VALUE_FLOAT);
 	}
@@ -424,6 +435,7 @@ class AppConfig implements IAppConfig {
 	 * @since 29.0.0
 	 * @see IAppConfig for explanation about lazy loading
 	 */
+	#[\Override]
 	public function getValueBool(string $app, string $key, bool $default = false, bool $lazy = false): bool {
 		$b = strtolower($this->getTypedValue($app, $key, $default ? 'true' : 'false', $lazy, self::VALUE_BOOL));
 		return in_array($b, ['1', 'true', 'yes', 'on']);
@@ -443,6 +455,7 @@ class AppConfig implements IAppConfig {
 	 * @since 29.0.0
 	 * @see IAppConfig for explanation about lazy loading
 	 */
+	#[\Override]
 	public function getValueArray(
 		string $app,
 		string $key,
@@ -552,6 +565,7 @@ class AppConfig implements IAppConfig {
 	 * @see VALUE_BOOL
 	 * @see VALUE_ARRAY
 	 */
+	#[\Override]
 	public function getValueType(string $app, string $key, ?bool $lazy = null): int {
 		$type = self::VALUE_MIXED;
 		$ignorable = $lazy ?? false;
@@ -627,6 +641,7 @@ class AppConfig implements IAppConfig {
 	 * @since 29.0.0
 	 * @see IAppConfig for explanation about lazy loading
 	 */
+	#[\Override]
 	public function setValueString(
 		string $app,
 		string $key,
@@ -657,6 +672,7 @@ class AppConfig implements IAppConfig {
 	 * @since 29.0.0
 	 * @see IAppConfig for explanation about lazy loading
 	 */
+	#[\Override]
 	public function setValueInt(
 		string $app,
 		string $key,
@@ -691,6 +707,7 @@ class AppConfig implements IAppConfig {
 	 * @since 29.0.0
 	 * @see IAppConfig for explanation about lazy loading
 	 */
+	#[\Override]
 	public function setValueFloat(
 		string $app,
 		string $key,
@@ -720,6 +737,7 @@ class AppConfig implements IAppConfig {
 	 * @since 29.0.0
 	 * @see IAppConfig for explanation about lazy loading
 	 */
+	#[\Override]
 	public function setValueBool(
 		string $app,
 		string $key,
@@ -750,6 +768,7 @@ class AppConfig implements IAppConfig {
 	 * @since 29.0.0
 	 * @see IAppConfig for explanation about lazy loading
 	 */
+	#[\Override]
 	public function setValueArray(
 		string $app,
 		string $key,
@@ -973,6 +992,7 @@ class AppConfig implements IAppConfig {
 	 * @return bool TRUE if entry was found in database and an update was necessary
 	 * @since 29.0.0
 	 */
+	#[\Override]
 	public function updateSensitive(string $app, string $key, bool $sensitive): bool {
 		$this->assertParams($app, $key);
 		$this->loadConfig(lazy: true);
@@ -1033,6 +1053,7 @@ class AppConfig implements IAppConfig {
 	 * @return bool TRUE if entry was found in database and an update was necessary
 	 * @since 29.0.0
 	 */
+	#[\Override]
 	public function updateLazy(string $app, string $key, bool $lazy): bool {
 		$this->assertParams($app, $key);
 		$this->loadConfig(lazy: true);
@@ -1069,6 +1090,7 @@ class AppConfig implements IAppConfig {
 	 * @throws AppConfigUnknownKeyException if config key is not known in database
 	 * @since 29.0.0
 	 */
+	#[\Override]
 	public function getDetails(string $app, string $key): array {
 		$this->assertParams($app, $key);
 		$this->loadConfig(lazy: true);
@@ -1119,6 +1141,7 @@ class AppConfig implements IAppConfig {
 	 * @return array{app: string, key: string, lazy?: bool, valueType?: ValueType, valueTypeName?: string, sensitive?: bool, internal?: bool, default?: string, definition?: string, note?: string}
 	 * @since 32.0.0
 	 */
+	#[\Override]
 	public function getKeyDetails(string $app, string $key): array {
 		$this->assertParams($app, $key);
 		try {
@@ -1161,6 +1184,7 @@ class AppConfig implements IAppConfig {
 	 * @throws AppConfigIncorrectTypeException
 	 * @since 29.0.0
 	 */
+	#[\Override]
 	public function convertTypeToInt(string $type): int {
 		return match (strtolower($type)) {
 			'mixed' => IAppConfig::VALUE_MIXED,
@@ -1180,6 +1204,7 @@ class AppConfig implements IAppConfig {
 	 * @throws AppConfigIncorrectTypeException
 	 * @since 29.0.0
 	 */
+	#[\Override]
 	public function convertTypeToString(int $type): string {
 		$type &= ~self::VALUE_SENSITIVE;
 
@@ -1202,6 +1227,7 @@ class AppConfig implements IAppConfig {
 	 *
 	 * @since 29.0.0
 	 */
+	#[\Override]
 	public function deleteKey(string $app, string $key): void {
 		$this->assertParams($app, $key);
 		$this->matchAndApplyLexiconDefinition($app, $key);
@@ -1225,6 +1251,7 @@ class AppConfig implements IAppConfig {
 	 *
 	 * @since 29.0.0
 	 */
+	#[\Override]
 	public function deleteApp(string $app): void {
 		$this->assertParams($app);
 		$qb = $this->connection->getQueryBuilder();
@@ -1243,6 +1270,7 @@ class AppConfig implements IAppConfig {
 	 * @internal
 	 * @since 29.0.0
 	 */
+	#[\Override]
 	public function clearCache(bool $reload = false): void {
 		$this->lazyLoaded = $this->fastLoaded = false;
 		$this->lazyCache = $this->fastCache = $this->valueTypes = $this->configLexiconDetails = [];
@@ -1448,6 +1476,7 @@ class AppConfig implements IAppConfig {
 	 * @return array|false
 	 * @deprecated 29.0.0 use {@see getAllValues()}
 	 */
+	#[\Override]
 	public function getValues($app, $key) {
 		if (($app !== false) === ($key !== false)) {
 			return false;
@@ -1469,6 +1498,7 @@ class AppConfig implements IAppConfig {
 	 * @return array
 	 * @deprecated 29.0.0 use {@see getAllValues()}
 	 */
+	#[\Override]
 	public function getFilteredValues($app) {
 		return $this->getAllValues($app, filtered: true);
 	}
@@ -1828,6 +1858,7 @@ class AppConfig implements IAppConfig {
 	 *
 	 * @return array<string, string>
 	 */
+	#[\Override]
 	public function getAppInstalledVersions(bool $onlyEnabled = false): array {
 		if ($this->appVersionsCache === null) {
 			/** @var array<string, string> */
diff --git a/lib/private/AppFramework/Bootstrap/BootContext.php b/lib/private/AppFramework/Bootstrap/BootContext.php
index 5240f18d3b8..60b30c9c799 100644
--- a/lib/private/AppFramework/Bootstrap/BootContext.php
+++ b/lib/private/AppFramework/Bootstrap/BootContext.php
@@ -18,14 +18,17 @@ class BootContext implements IBootContext {
 	) {
 	}
 
+	#[\Override]
 	public function getAppContainer(): IAppContainer {
 		return $this->appContainer;
 	}
 
+	#[\Override]
 	public function getServerContainer(): IServerContainer {
 		return $this->appContainer->get(IServerContainer::class);
 	}
 
+	#[\Override]
 	public function injectFn(callable $fn) {
 		return (new FunctionInjector($this->appContainer))->injectFn($fn);
 	}
diff --git a/lib/private/AppFramework/Bootstrap/RegistrationContext.php b/lib/private/AppFramework/Bootstrap/RegistrationContext.php
index ec880706da2..1119d1b8fb7 100644
--- a/lib/private/AppFramework/Bootstrap/RegistrationContext.php
+++ b/lib/private/AppFramework/Bootstrap/RegistrationContext.php
@@ -179,6 +179,7 @@ class RegistrationContext {
 			) {
 			}
 
+			#[\Override]
 			public function registerCapability(string $capability): void {
 				$this->context->registerCapability(
 					$this->appId,
@@ -186,6 +187,7 @@ class RegistrationContext {
 				);
 			}
 
+			#[\Override]
 			public function registerCrashReporter(string $reporterClass): void {
 				$this->context->registerCrashReporter(
 					$this->appId,
@@ -193,6 +195,7 @@ class RegistrationContext {
 				);
 			}
 
+			#[\Override]
 			public function registerDashboardWidget(string $widgetClass): void {
 				$this->context->registerDashboardPanel(
 					$this->appId,
@@ -200,6 +203,7 @@ class RegistrationContext {
 				);
 			}
 
+			#[\Override]
 			public function registerService(string $name, callable $factory, bool $shared = true): void {
 				$this->context->registerService(
 					$this->appId,
@@ -209,6 +213,7 @@ class RegistrationContext {
 				);
 			}
 
+			#[\Override]
 			public function registerServiceAlias(string $alias, string $target): void {
 				$this->context->registerServiceAlias(
 					$this->appId,
@@ -217,6 +222,7 @@ class RegistrationContext {
 				);
 			}
 
+			#[\Override]
 			public function registerParameter(string $name, $value): void {
 				$this->context->registerParameter(
 					$this->appId,
@@ -225,6 +231,7 @@ class RegistrationContext {
 				);
 			}
 
+			#[\Override]
 			public function registerEventListener(string $event, string $listener, int $priority = 0): void {
 				$this->context->registerEventListener(
 					$this->appId,
@@ -234,6 +241,7 @@ class RegistrationContext {
 				);
 			}
 
+			#[\Override]
 			public function registerMiddleware(string $class, bool $global = false): void {
 				$this->context->registerMiddleware(
 					$this->appId,
@@ -242,6 +250,7 @@ class RegistrationContext {
 				);
 			}
 
+			#[\Override]
 			public function registerSearchProvider(string $class): void {
 				$this->context->registerSearchProvider(
 					$this->appId,
@@ -249,6 +258,7 @@ class RegistrationContext {
 				);
 			}
 
+			#[\Override]
 			public function registerAlternativeLogin(string $class): void {
 				$this->context->registerAlternativeLogin(
 					$this->appId,
@@ -264,6 +274,7 @@ class RegistrationContext {
 				);
 			}
 
+			#[\Override]
 			public function registerInitialStateProvider(string $class): void {
 				$this->context->registerInitialState(
 					$this->appId,
@@ -271,6 +282,7 @@ class RegistrationContext {
 				);
 			}
 
+			#[\Override]
 			public function registerWellKnownHandler(string $class): void {
 				$this->context->registerWellKnown(
 					$this->appId,
@@ -278,12 +290,14 @@ class RegistrationContext {
 				);
 			}
 
+			#[\Override]
 			public function registerSpeechToTextProvider(string $providerClass): void {
 				$this->context->registerSpeechToTextProvider(
 					$this->appId,
 					$providerClass
 				);
 			}
+			#[\Override]
 			public function registerTextProcessingProvider(string $providerClass): void {
 				$this->context->registerTextProcessingProvider(
 					$this->appId,
@@ -291,6 +305,7 @@ class RegistrationContext {
 				);
 			}
 
+			#[\Override]
 			public function registerTextToImageProvider(string $providerClass): void {
 				$this->context->registerTextToImageProvider(
 					$this->appId,
@@ -298,6 +313,7 @@ class RegistrationContext {
 				);
 			}
 
+			#[\Override]
 			public function registerTemplateProvider(string $providerClass): void {
 				$this->context->registerTemplateProvider(
 					$this->appId,
@@ -305,6 +321,7 @@ class RegistrationContext {
 				);
 			}
 
+			#[\Override]
 			public function registerTranslationProvider(string $providerClass): void {
 				$this->context->registerTranslationProvider(
 					$this->appId,
@@ -312,6 +329,7 @@ class RegistrationContext {
 				);
 			}
 
+			#[\Override]
 			public function registerNotifierService(string $notifierClass): void {
 				$this->context->registerNotifierService(
 					$this->appId,
@@ -319,6 +337,7 @@ class RegistrationContext {
 				);
 			}
 
+			#[\Override]
 			public function registerTwoFactorProvider(string $twoFactorProviderClass): void {
 				$this->context->registerTwoFactorProvider(
 					$this->appId,
@@ -326,6 +345,7 @@ class RegistrationContext {
 				);
 			}
 
+			#[\Override]
 			public function registerPreviewProvider(string $previewProviderClass, string $mimeTypeRegex): void {
 				$this->context->registerPreviewProvider(
 					$this->appId,
@@ -334,6 +354,7 @@ class RegistrationContext {
 				);
 			}
 
+			#[\Override]
 			public function registerCalendarProvider(string $class): void {
 				$this->context->registerCalendarProvider(
 					$this->appId,
@@ -341,6 +362,7 @@ class RegistrationContext {
 				);
 			}
 
+			#[\Override]
 			public function registerReferenceProvider(string $class): void {
 				$this->context->registerReferenceProvider(
 					$this->appId,
@@ -348,6 +370,7 @@ class RegistrationContext {
 				);
 			}
 
+			#[\Override]
 			public function registerProfileLinkAction(string $actionClass): void {
 				$this->context->registerProfileLinkAction(
 					$this->appId,
@@ -355,6 +378,7 @@ class RegistrationContext {
 				);
 			}
 
+			#[\Override]
 			public function registerTalkBackend(string $backend): void {
 				$this->context->registerTalkBackend(
 					$this->appId,
@@ -362,6 +386,7 @@ class RegistrationContext {
 				);
 			}
 
+			#[\Override]
 			public function registerCalendarResourceBackend(string $class): void {
 				$this->context->registerCalendarResourceBackend(
 					$this->appId,
@@ -369,6 +394,7 @@ class RegistrationContext {
 				);
 			}
 
+			#[\Override]
 			public function registerTeamResourceProvider(string $class) : void {
 				$this->context->registerTeamResourceProvider(
 					$this->appId,
@@ -376,6 +402,7 @@ class RegistrationContext {
 				);
 			}
 
+			#[\Override]
 			public function registerCalendarRoomBackend(string $class): void {
 				$this->context->registerCalendarRoomBackend(
 					$this->appId,
@@ -383,6 +410,7 @@ class RegistrationContext {
 				);
 			}
 
+			#[\Override]
 			public function registerUserMigrator(string $migratorClass): void {
 				$this->context->registerUserMigrator(
 					$this->appId,
@@ -390,6 +418,7 @@ class RegistrationContext {
 				);
 			}
 
+			#[\Override]
 			public function registerSensitiveMethods(string $class, array $methods): void {
 				$this->context->registerSensitiveMethods(
 					$this->appId,
@@ -398,6 +427,7 @@ class RegistrationContext {
 				);
 			}
 
+			#[\Override]
 			public function registerPublicShareTemplateProvider(string $class): void {
 				$this->context->registerPublicShareTemplateProvider(
 					$this->appId,
@@ -405,6 +435,7 @@ class RegistrationContext {
 				);
 			}
 
+			#[\Override]
 			public function registerSetupCheck(string $setupCheckClass): void {
 				$this->context->registerSetupCheck(
 					$this->appId,
@@ -412,6 +443,7 @@ class RegistrationContext {
 				);
 			}
 
+			#[\Override]
 			public function registerDeclarativeSettings(string $declarativeSettingsClass): void {
 				$this->context->registerDeclarativeSettings(
 					$this->appId,
@@ -419,6 +451,7 @@ class RegistrationContext {
 				);
 			}
 
+			#[\Override]
 			public function registerTaskProcessingProvider(string $taskProcessingProviderClass): void {
 				$this->context->registerTaskProcessingProvider(
 					$this->appId,
@@ -426,6 +459,7 @@ class RegistrationContext {
 				);
 			}
 
+			#[\Override]
 			public function registerTaskProcessingTaskType(string $taskProcessingTaskTypeClass): void {
 				$this->context->registerTaskProcessingTaskType(
 					$this->appId,
@@ -433,6 +467,7 @@ class RegistrationContext {
 				);
 			}
 
+			#[\Override]
 			public function registerFileConversionProvider(string $class): void {
 				$this->context->registerFileConversionProvider(
 					$this->appId,
@@ -440,6 +475,7 @@ class RegistrationContext {
 				);
 			}
 
+			#[\Override]
 			public function registerMailProvider(string $class): void {
 				$this->context->registerMailProvider(
 					$this->appId,
@@ -447,6 +483,7 @@ class RegistrationContext {
 				);
 			}
 
+			#[\Override]
 			public function registerConfigLexicon(string $configLexiconClass): void {
 				$this->context->registerConfigLexicon(
 					$this->appId,
diff --git a/lib/private/AppFramework/DependencyInjection/DIContainer.php b/lib/private/AppFramework/DependencyInjection/DIContainer.php
index 7527d249586..942e4787d88 100644
--- a/lib/private/AppFramework/DependencyInjection/DIContainer.php
+++ b/lib/private/AppFramework/DependencyInjection/DIContainer.php
@@ -256,6 +256,7 @@ class DIContainer extends SimpleContainer implements IAppContainer {
 		$this->registerAlias(IInitialState::class, InitialState::class);
 	}
 
+	#[\Override]
 	public function getServer(): ServerContainer {
 		return $this->server;
 	}
@@ -263,6 +264,7 @@ class DIContainer extends SimpleContainer implements IAppContainer {
 	/**
 	 * @param string $middleWare
 	 */
+	#[\Override]
 	public function registerMiddleWare($middleWare): bool {
 		if (in_array($middleWare, $this->middleWares, true) !== false) {
 			return false;
@@ -275,6 +277,7 @@ class DIContainer extends SimpleContainer implements IAppContainer {
 	 * used to return the appname of the set application
 	 * @return string the name of your application
 	 */
+	#[\Override]
 	public function getAppName() {
 		return $this->query('appName');
 	}
@@ -305,12 +308,14 @@ class DIContainer extends SimpleContainer implements IAppContainer {
 	 *
 	 * @param string $serviceName e.g. 'OCA\Files\Capabilities'
 	 */
+	#[\Override]
 	public function registerCapability($serviceName) {
 		$this->query(CapabilitiesManager::class)->registerCapability(function () use ($serviceName) {
 			return $this->query($serviceName);
 		});
 	}
 
+	#[\Override]
 	public function has($id): bool {
 		if (parent::has($id)) {
 			return true;
@@ -327,6 +332,7 @@ class DIContainer extends SimpleContainer implements IAppContainer {
 	 * @inheritDoc
 	 * @param list<class-string> $chain
 	 */
+	#[\Override]
 	public function query(string $name, bool $autoload = true, array $chain = []): mixed {
 		if ($name === 'AppName' || $name === 'appName') {
 			return $this->appName;
diff --git a/lib/private/AppFramework/Http/Output.php b/lib/private/AppFramework/Http/Output.php
index b4a8672fdc7..aee009b4654 100644
--- a/lib/private/AppFramework/Http/Output.php
+++ b/lib/private/AppFramework/Http/Output.php
@@ -21,6 +21,7 @@ class Output implements IOutput {
 	/**
 	 * @param string $out
 	 */
+	#[\Override]
 	public function setOutput($out) {
 		print($out);
 	}
@@ -30,6 +31,7 @@ class Output implements IOutput {
 	 *
 	 * @return bool false if an error occurred
 	 */
+	#[\Override]
 	public function setReadfile($path) {
 		if (is_resource($path)) {
 			$output = fopen('php://output', 'w');
@@ -42,6 +44,7 @@ class Output implements IOutput {
 	/**
 	 * @param string $header
 	 */
+	#[\Override]
 	public function setHeader($header) {
 		header($header);
 	}
@@ -49,6 +52,7 @@ class Output implements IOutput {
 	/**
 	 * @param int $code sets the http status code
 	 */
+	#[\Override]
 	public function setHttpResponseCode($code) {
 		http_response_code($code);
 	}
@@ -56,6 +60,7 @@ class Output implements IOutput {
 	/**
 	 * @return int returns the current http response code
 	 */
+	#[\Override]
 	public function getHttpResponseCode() {
 		return http_response_code();
 	}
@@ -69,6 +74,7 @@ class Output implements IOutput {
 	 * @param bool $secure
 	 * @param bool $httpOnly
 	 */
+	#[\Override]
 	public function setCookie($name, $value, $expire, $path, $domain, $secure, $httpOnly, $sameSite = 'Lax') {
 		$path = $this->webRoot ? : '/';
 
diff --git a/lib/private/AppFramework/Http/Request.php b/lib/private/AppFramework/Http/Request.php
index a66860dbe60..eb8b5b33fc6 100644
--- a/lib/private/AppFramework/Http/Request.php
+++ b/lib/private/AppFramework/Http/Request.php
@@ -119,6 +119,7 @@ class Request implements \ArrayAccess, \Countable, IRequest {
 	 * Countable method
 	 * @return int
 	 */
+	#[\Override]
 	public function count(): int {
 		return \count($this->items['parameters']);
 	}
@@ -143,6 +144,7 @@ class Request implements \ArrayAccess, \Countable, IRequest {
 	 * @param string $offset The key to lookup
 	 * @return boolean
 	 */
+	#[\Override]
 	public function offsetExists($offset): bool {
 		return isset($this->items['parameters'][$offset]);
 	}
@@ -152,6 +154,7 @@ class Request implements \ArrayAccess, \Countable, IRequest {
 	 * @param string $offset
 	 * @return mixed
 	 */
+	#[\Override]
 	#[\ReturnTypeWillChange]
 	public function offsetGet($offset) {
 		return $this->items['parameters'][$offset] ?? null;
@@ -162,6 +165,7 @@ class Request implements \ArrayAccess, \Countable, IRequest {
 	 * @param string $offset
 	 * @param mixed $value
 	 */
+	#[\Override]
 	public function offsetSet($offset, $value): void {
 		throw new \RuntimeException('You cannot change the contents of the request object');
 	}
@@ -170,6 +174,7 @@ class Request implements \ArrayAccess, \Countable, IRequest {
 	 * @see offsetExists
 	 * @param string $offset
 	 */
+	#[\Override]
 	public function offsetUnset($offset): void {
 		throw new \RuntimeException('You cannot change the contents of the request object');
 	}
@@ -254,6 +259,7 @@ class Request implements \ArrayAccess, \Countable, IRequest {
 	 * @param string $name
 	 * @return string
 	 */
+	#[\Override]
 	public function getHeader(string $name): string {
 		$name = strtoupper(str_replace('-', '_', $name));
 		if (isset($this->server['HTTP_' . $name])) {
@@ -288,6 +294,7 @@ class Request implements \ArrayAccess, \Countable, IRequest {
 	 * @param mixed $default If the key is not found, this value will be returned
 	 * @return mixed the content of the array
 	 */
+	#[\Override]
 	public function getParam(string $key, $default = null) {
 		return isset($this->parameters[$key])
 			? $this->parameters[$key]
@@ -299,6 +306,7 @@ class Request implements \ArrayAccess, \Countable, IRequest {
 	 * (as GET or POST) or through the URL by the route
 	 * @return array the array with all parameters
 	 */
+	#[\Override]
 	public function getParams(): array {
 		return is_array($this->parameters) ? $this->parameters : [];
 	}
@@ -307,6 +315,7 @@ class Request implements \ArrayAccess, \Countable, IRequest {
 	 * Returns the method of the request
 	 * @return string the method of the request (POST, GET, etc)
 	 */
+	#[\Override]
 	public function getMethod(): string {
 		return $this->method;
 	}
@@ -316,6 +325,7 @@ class Request implements \ArrayAccess, \Countable, IRequest {
 	 * @param string $key the key that will be taken from the $_FILES array
 	 * @return array the file in the $_FILES element
 	 */
+	#[\Override]
 	public function getUploadedFile(string $key) {
 		return isset($this->files[$key]) ? $this->files[$key] : null;
 	}
@@ -325,6 +335,7 @@ class Request implements \ArrayAccess, \Countable, IRequest {
 	 * @param string $key the key that will be taken from the $_ENV array
 	 * @return array the value in the $_ENV element
 	 */
+	#[\Override]
 	public function getEnv(string $key) {
 		return isset($this->env[$key]) ? $this->env[$key] : null;
 	}
@@ -334,6 +345,7 @@ class Request implements \ArrayAccess, \Countable, IRequest {
 	 * @param string $key the key that will be taken from the $_COOKIE array
 	 * @return string the value in the $_COOKIE element
 	 */
+	#[\Override]
 	public function getCookie(string $key) {
 		return isset($this->cookies[$key]) ? $this->cookies[$key] : null;
 	}
@@ -416,6 +428,7 @@ class Request implements \ArrayAccess, \Countable, IRequest {
 		$this->contentDecoded = true;
 	}
 
+	#[\Override]
 	public function throwDecodingExceptionIfAny(): void {
 		if ($this->decodingException !== null) {
 			throw $this->decodingException;
@@ -427,6 +440,7 @@ class Request implements \ArrayAccess, \Countable, IRequest {
 	 * Checks if the CSRF check was correct
 	 * @return bool true if CSRF check passed
 	 */
+	#[\Override]
 	public function passesCSRFCheck(): bool {
 		if ($this->csrfTokenManager === null) {
 			return false;
@@ -503,6 +517,7 @@ class Request implements \ArrayAccess, \Countable, IRequest {
 	 * @return bool
 	 * @since 9.1.0
 	 */
+	#[\Override]
 	public function passesStrictCookieCheck(): bool {
 		if (!$this->cookieCheckRequired()) {
 			return true;
@@ -523,6 +538,7 @@ class Request implements \ArrayAccess, \Countable, IRequest {
 	 * @return bool
 	 * @since 9.1.0
 	 */
+	#[\Override]
 	public function passesLaxCookieCheck(): bool {
 		if (!$this->cookieCheckRequired()) {
 			return true;
@@ -541,6 +557,7 @@ class Request implements \ArrayAccess, \Countable, IRequest {
 	 * If `mod_unique_id` is installed this value will be taken.
 	 * @return string
 	 */
+	#[\Override]
 	public function getId(): string {
 		return $this->requestId->getId();
 	}
@@ -568,6 +585,7 @@ class Request implements \ArrayAccess, \Countable, IRequest {
 	 * Do always use this instead of $_SERVER['REMOTE_ADDR']
 	 * @return string IP address
 	 */
+	#[\Override]
 	public function getRemoteAddress(): string {
 		$remoteAddress = isset($this->server['REMOTE_ADDR']) ? $this->server['REMOTE_ADDR'] : '';
 		$trustedProxies = $this->config->getSystemValue('trusted_proxies', []);
@@ -630,6 +648,7 @@ class Request implements \ArrayAccess, \Countable, IRequest {
 	 *
 	 * @return string Server protocol (http or https)
 	 */
+	#[\Override]
 	public function getServerProtocol(): string {
 		$proto = 'http';
 
@@ -669,6 +688,7 @@ class Request implements \ArrayAccess, \Countable, IRequest {
 	 *
 	 * @return string HTTP protocol. HTTP/2, HTTP/1.1 or HTTP/1.0.
 	 */
+	#[\Override]
 	public function getHttpProtocol(): string {
 		$claimedProtocol = $this->server['SERVER_PROTOCOL'] ?? '';
 
@@ -694,6 +714,7 @@ class Request implements \ArrayAccess, \Countable, IRequest {
 	 * reverse proxies
 	 * @return string
 	 */
+	#[\Override]
 	public function getRequestUri(): string {
 		$uri = isset($this->server['REQUEST_URI']) ? $this->server['REQUEST_URI'] : '';
 		if ($this->config->getSystemValueString('overwritewebroot') !== '' && $this->isOverwriteCondition()) {
@@ -707,6 +728,7 @@ class Request implements \ArrayAccess, \Countable, IRequest {
 	 * @throws \Exception
 	 * @return string Path info
 	 */
+	#[\Override]
 	public function getRawPathInfo(): string {
 		$requestUri = isset($this->server['REQUEST_URI']) ? $this->server['REQUEST_URI'] : '';
 		// remove too many slashes - can be caused by reverse proxy configuration
@@ -752,6 +774,7 @@ class Request implements \ArrayAccess, \Countable, IRequest {
 	 * @throws \Exception
 	 * @return string|false Path info or false when not found
 	 */
+	#[\Override]
 	public function getPathInfo(): string|false {
 		$pathInfo = $this->getRawPathInfo();
 		return \Sabre\HTTP\decodePath($pathInfo);
@@ -762,6 +785,7 @@ class Request implements \ArrayAccess, \Countable, IRequest {
 	 * reverse proxies
 	 * @return string the script name
 	 */
+	#[\Override]
 	public function getScriptName(): string {
 		$name = $this->server['SCRIPT_NAME'] ?? '';
 		$overwriteWebRoot = $this->config->getSystemValueString('overwritewebroot');
@@ -779,6 +803,7 @@ class Request implements \ArrayAccess, \Countable, IRequest {
 	 * @param array $agent array of agent names
 	 * @return bool true if at least one of the given agent matches, false otherwise
 	 */
+	#[\Override]
 	public function isUserAgent(array $agent): bool {
 		if (!isset($this->server['HTTP_USER_AGENT'])) {
 			return false;
@@ -796,6 +821,7 @@ class Request implements \ArrayAccess, \Countable, IRequest {
 	 * whether it is a trusted domain
 	 * @return string Server host
 	 */
+	#[\Override]
 	public function getInsecureServerHost(): string {
 		if ($this->fromTrustedProxy() && $this->getOverwriteHost() !== null) {
 			return $this->getOverwriteHost();
@@ -826,6 +852,7 @@ class Request implements \ArrayAccess, \Countable, IRequest {
 	 * trusted domain if the host isn't in the trusted list
 	 * @return string Server host
 	 */
+	#[\Override]
 	public function getServerHost(): string {
 		// overwritehost is always trusted
 		$host = $this->getOverwriteHost();
@@ -872,6 +899,7 @@ class Request implements \ArrayAccess, \Countable, IRequest {
 		return \is_array($trustedProxies) && $this->isTrustedProxy($trustedProxies, $remoteAddress);
 	}
 
+	#[\Override]
 	public function getFormat(): ?string {
 		$format = $this->getParam('format');
 		if ($format !== null) {
diff --git a/lib/private/AppFramework/Http/RequestId.php b/lib/private/AppFramework/Http/RequestId.php
index 1fa2d351456..45dd2246be6 100644
--- a/lib/private/AppFramework/Http/RequestId.php
+++ b/lib/private/AppFramework/Http/RequestId.php
@@ -22,6 +22,7 @@ class RequestId implements IRequestId {
 	 * If `mod_unique_id` is installed this value will be taken.
 	 * @return string
 	 */
+	#[\Override]
 	public function getId(): string {
 		if (empty($this->requestId)) {
 			$validChars = ISecureRandom::CHAR_ALPHANUMERIC;
diff --git a/lib/private/AppFramework/Middleware/AdditionalScriptsMiddleware.php b/lib/private/AppFramework/Middleware/AdditionalScriptsMiddleware.php
index 4f1c69b104f..281e52a159d 100644
--- a/lib/private/AppFramework/Middleware/AdditionalScriptsMiddleware.php
+++ b/lib/private/AppFramework/Middleware/AdditionalScriptsMiddleware.php
@@ -25,6 +25,7 @@ class AdditionalScriptsMiddleware extends Middleware {
 	) {
 	}
 
+	#[\Override]
 	public function afterController($controller, $methodName, Response $response): Response {
 		if ($response instanceof TemplateResponse) {
 			if ($controller instanceof LoginController) {
diff --git a/lib/private/AppFramework/Middleware/CompressionMiddleware.php b/lib/private/AppFramework/Middleware/CompressionMiddleware.php
index 1cdd8c19f05..a6e4f65035f 100644
--- a/lib/private/AppFramework/Middleware/CompressionMiddleware.php
+++ b/lib/private/AppFramework/Middleware/CompressionMiddleware.php
@@ -26,6 +26,7 @@ class CompressionMiddleware extends Middleware {
 		$this->useGZip = false;
 	}
 
+	#[\Override]
 	public function afterController($controller, $methodName, Response $response) {
 		// By default we do not gzip
 		$allowGzip = false;
@@ -60,6 +61,7 @@ class CompressionMiddleware extends Middleware {
 		return $response;
 	}
 
+	#[\Override]
 	public function beforeOutput($controller, $methodName, $output) {
 		if (!$this->useGZip) {
 			return $output;
diff --git a/lib/private/AppFramework/Middleware/FlowV2EphemeralSessionsMiddleware.php b/lib/private/AppFramework/Middleware/FlowV2EphemeralSessionsMiddleware.php
index 658a120320e..56f5babcc6f 100644
--- a/lib/private/AppFramework/Middleware/FlowV2EphemeralSessionsMiddleware.php
+++ b/lib/private/AppFramework/Middleware/FlowV2EphemeralSessionsMiddleware.php
@@ -34,6 +34,7 @@ class FlowV2EphemeralSessionsMiddleware extends Middleware {
 	) {
 	}
 
+	#[\Override]
 	public function beforeController(Controller $controller, string $methodName) {
 		$sessionCreationTime = $this->session->get(ClientFlowLoginV2Controller::EPHEMERAL_NAME);
 
diff --git a/lib/private/AppFramework/Middleware/NotModifiedMiddleware.php b/lib/private/AppFramework/Middleware/NotModifiedMiddleware.php
index 60cf06f7b9c..07a7ed0addf 100644
--- a/lib/private/AppFramework/Middleware/NotModifiedMiddleware.php
+++ b/lib/private/AppFramework/Middleware/NotModifiedMiddleware.php
@@ -20,6 +20,7 @@ class NotModifiedMiddleware extends Middleware {
 	) {
 	}
 
+	#[\Override]
 	public function afterController($controller, $methodName, Response $response) {
 		$etagHeader = $this->request->getHeader('IF_NONE_MATCH');
 		if ($etagHeader !== '' && $response->getETag() !== null && trim($etagHeader) === '"' . $response->getETag() . '"') {
diff --git a/lib/private/AppFramework/Middleware/OCSMiddleware.php b/lib/private/AppFramework/Middleware/OCSMiddleware.php
index d592b24a289..dc2bf5cb4e1 100644
--- a/lib/private/AppFramework/Middleware/OCSMiddleware.php
+++ b/lib/private/AppFramework/Middleware/OCSMiddleware.php
@@ -35,6 +35,7 @@ class OCSMiddleware extends Middleware {
 	 * @param Controller $controller
 	 * @param string $methodName
 	 */
+	#[\Override]
 	public function beforeController($controller, $methodName) {
 		if ($controller instanceof OCSController) {
 			if (substr_compare($this->request->getScriptName(), '/ocs/v2.php', -strlen('/ocs/v2.php')) === 0) {
@@ -53,6 +54,7 @@ class OCSMiddleware extends Middleware {
 	 * @throws \Exception
 	 * @return BaseResponse
 	 */
+	#[\Override]
 	public function afterException($controller, $methodName, \Exception $exception) {
 		if ($controller instanceof OCSController && $exception instanceof OCSException) {
 			$code = $exception->getCode();
@@ -72,6 +74,7 @@ class OCSMiddleware extends Middleware {
 	 * @param Response $response
 	 * @return Response
 	 */
+	#[\Override]
 	public function afterController($controller, $methodName, Response $response) {
 		/*
 		 * If a different middleware has detected that a request unauthorized or forbidden
diff --git a/lib/private/AppFramework/Middleware/PublicShare/PublicShareMiddleware.php b/lib/private/AppFramework/Middleware/PublicShare/PublicShareMiddleware.php
index 83e799e3d3b..a8aacc63724 100644
--- a/lib/private/AppFramework/Middleware/PublicShare/PublicShareMiddleware.php
+++ b/lib/private/AppFramework/Middleware/PublicShare/PublicShareMiddleware.php
@@ -29,6 +29,7 @@ class PublicShareMiddleware extends Middleware {
 	) {
 	}
 
+	#[\Override]
 	public function beforeController($controller, $methodName) {
 		if (!($controller instanceof PublicShareController)) {
 			return;
@@ -79,6 +80,7 @@ class PublicShareMiddleware extends Middleware {
 		throw new NotFoundException();
 	}
 
+	#[\Override]
 	public function afterException($controller, $methodName, \Exception $exception) {
 		if (!($controller instanceof PublicShareController)) {
 			throw $exception;
diff --git a/lib/private/AppFramework/Middleware/Security/BruteForceMiddleware.php b/lib/private/AppFramework/Middleware/Security/BruteForceMiddleware.php
index 4b4425517e0..2630e7821f8 100644
--- a/lib/private/AppFramework/Middleware/Security/BruteForceMiddleware.php
+++ b/lib/private/AppFramework/Middleware/Security/BruteForceMiddleware.php
@@ -44,6 +44,7 @@ class BruteForceMiddleware extends Middleware {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function beforeController($controller, $methodName) {
 		parent::beforeController($controller, $methodName);
 
@@ -70,6 +71,7 @@ class BruteForceMiddleware extends Middleware {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function afterController($controller, $methodName, Response $response) {
 		if ($response->isThrottled()) {
 			try {
@@ -123,6 +125,7 @@ class BruteForceMiddleware extends Middleware {
 	 * @throws \Exception
 	 * @return Response
 	 */
+	#[\Override]
 	public function afterException($controller, $methodName, \Exception $exception): Response {
 		if ($exception instanceof MaxDelayReached) {
 			if ($controller instanceof OCSController) {
diff --git a/lib/private/AppFramework/Middleware/Security/CSPMiddleware.php b/lib/private/AppFramework/Middleware/Security/CSPMiddleware.php
index e88c9563c00..3cc4fe1a101 100644
--- a/lib/private/AppFramework/Middleware/Security/CSPMiddleware.php
+++ b/lib/private/AppFramework/Middleware/Security/CSPMiddleware.php
@@ -33,6 +33,7 @@ class CSPMiddleware extends Middleware {
 	 * @param Response $response
 	 * @return Response
 	 */
+	#[\Override]
 	public function afterController($controller, $methodName, Response $response): Response {
 		$policy = !is_null($response->getContentSecurityPolicy()) ? $response->getContentSecurityPolicy() : new ContentSecurityPolicy();
 
diff --git a/lib/private/AppFramework/Middleware/Security/FeaturePolicyMiddleware.php b/lib/private/AppFramework/Middleware/Security/FeaturePolicyMiddleware.php
index 632eceaa71b..d1d9bfbe5b4 100644
--- a/lib/private/AppFramework/Middleware/Security/FeaturePolicyMiddleware.php
+++ b/lib/private/AppFramework/Middleware/Security/FeaturePolicyMiddleware.php
@@ -30,6 +30,7 @@ class FeaturePolicyMiddleware extends Middleware {
 	 * @param Response $response
 	 * @return Response
 	 */
+	#[\Override]
 	public function afterController($controller, $methodName, Response $response): Response {
 		$policy = !is_null($response->getFeaturePolicy()) ? $response->getFeaturePolicy() : new FeaturePolicy();
 
diff --git a/lib/private/AppFramework/Middleware/Security/PasswordConfirmationMiddleware.php b/lib/private/AppFramework/Middleware/Security/PasswordConfirmationMiddleware.php
index 60b925876b1..94fc329d5c7 100644
--- a/lib/private/AppFramework/Middleware/Security/PasswordConfirmationMiddleware.php
+++ b/lib/private/AppFramework/Middleware/Security/PasswordConfirmationMiddleware.php
@@ -45,6 +45,7 @@ class PasswordConfirmationMiddleware extends Middleware {
 	/**
 	 * @throws NotConfirmedException
 	 */
+	#[\Override]
 	public function beforeController(Controller $controller, string $methodName) {
 		if (!$this->needsPasswordConfirmation()) {
 			return;
diff --git a/lib/private/AppFramework/Middleware/Security/RateLimitingMiddleware.php b/lib/private/AppFramework/Middleware/Security/RateLimitingMiddleware.php
index 906e57a86ef..bec5a3c3db3 100644
--- a/lib/private/AppFramework/Middleware/Security/RateLimitingMiddleware.php
+++ b/lib/private/AppFramework/Middleware/Security/RateLimitingMiddleware.php
@@ -68,6 +68,7 @@ class RateLimitingMiddleware extends Middleware {
 	 * {@inheritDoc}
 	 * @throws RateLimitExceededException
 	 */
+	#[\Override]
 	public function beforeController(Controller $controller, string $methodName): void {
 		parent::beforeController($controller, $methodName);
 		$rateLimitIdentifier = get_class($controller) . '::' . $methodName;
@@ -184,6 +185,7 @@ class RateLimitingMiddleware extends Middleware {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function afterException(Controller $controller, string $methodName, \Exception $exception): Response {
 		if ($exception instanceof RateLimitExceededException) {
 			if (stripos($this->request->getHeader('Accept'), 'html') === false) {
diff --git a/lib/private/AppFramework/Middleware/Security/ReloadExecutionMiddleware.php b/lib/private/AppFramework/Middleware/Security/ReloadExecutionMiddleware.php
index 298921eedaa..488093149ad 100644
--- a/lib/private/AppFramework/Middleware/Security/ReloadExecutionMiddleware.php
+++ b/lib/private/AppFramework/Middleware/Security/ReloadExecutionMiddleware.php
@@ -25,12 +25,14 @@ class ReloadExecutionMiddleware extends Middleware {
 	) {
 	}
 
+	#[\Override]
 	public function beforeController($controller, $methodName) {
 		if ($this->session->exists('clearingExecutionContexts')) {
 			throw new ReloadExecutionException();
 		}
 	}
 
+	#[\Override]
 	public function afterException($controller, $methodName, \Exception $exception) {
 		if ($exception instanceof ReloadExecutionException) {
 			$this->session->remove('clearingExecutionContexts');
diff --git a/lib/private/AppFramework/Middleware/Security/SameSiteCookieMiddleware.php b/lib/private/AppFramework/Middleware/Security/SameSiteCookieMiddleware.php
index 7334b56bac1..99263d125cf 100644
--- a/lib/private/AppFramework/Middleware/Security/SameSiteCookieMiddleware.php
+++ b/lib/private/AppFramework/Middleware/Security/SameSiteCookieMiddleware.php
@@ -24,6 +24,7 @@ class SameSiteCookieMiddleware extends Middleware {
 	) {
 	}
 
+	#[\Override]
 	public function beforeController($controller, $methodName) {
 		$requestUri = $this->request->getScriptName();
 		$processingScript = explode('/', $requestUri);
@@ -44,6 +45,7 @@ class SameSiteCookieMiddleware extends Middleware {
 		}
 	}
 
+	#[\Override]
 	public function afterException($controller, $methodName, \Exception $exception) {
 		if ($exception instanceof LaxSameSiteCookieFailedException) {
 			$response = new Response();
diff --git a/lib/private/AppFramework/Middleware/Security/SecurityMiddleware.php b/lib/private/AppFramework/Middleware/Security/SecurityMiddleware.php
index 2a7b058fd51..8731dab4835 100644
--- a/lib/private/AppFramework/Middleware/Security/SecurityMiddleware.php
+++ b/lib/private/AppFramework/Middleware/Security/SecurityMiddleware.php
@@ -105,6 +105,7 @@ class SecurityMiddleware extends Middleware {
 	 *
 	 * @suppress PhanUndeclaredClassConstant
 	 */
+	#[\Override]
 	public function beforeController($controller, $methodName) {
 		// this will set the current navigation entry of the app, use this only
 		// for normal HTML requests and not for AJAX requests
@@ -250,6 +251,7 @@ class SecurityMiddleware extends Middleware {
 	 * @return Response a Response object or null in case that the exception could not be handled
 	 * @throws \Exception the passed in exception if it can't handle it
 	 */
+	#[\Override]
 	public function afterException($controller, $methodName, \Exception $exception): Response {
 		if ($exception instanceof SecurityException) {
 			if ($exception instanceof StrictCookieMissingException) {
diff --git a/lib/private/AppFramework/Middleware/SessionMiddleware.php b/lib/private/AppFramework/Middleware/SessionMiddleware.php
index c1cff28ce78..2f10b24ec60 100644
--- a/lib/private/AppFramework/Middleware/SessionMiddleware.php
+++ b/lib/private/AppFramework/Middleware/SessionMiddleware.php
@@ -26,6 +26,7 @@ class SessionMiddleware extends Middleware {
 	 * @param Controller $controller
 	 * @param string $methodName
 	 */
+	#[\Override]
 	public function beforeController($controller, $methodName) {
 		if ($this->reflector->hasAnnotationOrAttribute('UseSession', UseSession::class)) {
 			$this->session->reopen();
@@ -38,6 +39,7 @@ class SessionMiddleware extends Middleware {
 	 * @param Response $response
 	 * @return Response
 	 */
+	#[\Override]
 	public function afterController($controller, $methodName, Response $response) {
 		if ($this->reflector->hasAnnotationOrAttribute('UseSession', UseSession::class)) {
 			$this->session->close();
diff --git a/lib/private/AppFramework/OCS/V1Response.php b/lib/private/AppFramework/OCS/V1Response.php
index c628a2c7b50..11d674b57f5 100644
--- a/lib/private/AppFramework/OCS/V1Response.php
+++ b/lib/private/AppFramework/OCS/V1Response.php
@@ -23,6 +23,7 @@ class V1Response extends BaseResponse {
 	 *
 	 * @return Http::STATUS_*
 	 */
+	#[\Override]
 	public function getStatus() {
 		$status = parent::getStatus();
 		if ($status === OCSController::RESPOND_UNAUTHORISED) {
@@ -37,6 +38,7 @@ class V1Response extends BaseResponse {
 	 *
 	 * @return int
 	 */
+	#[\Override]
 	public function getOCSStatus() {
 		$status = parent::getOCSStatus();
 
@@ -53,6 +55,7 @@ class V1Response extends BaseResponse {
 	 *
 	 * @return string
 	 */
+	#[\Override]
 	public function render() {
 		$meta = [
 			'status' => $this->getOCSStatus() === 100 ? 'ok' : 'failure',
diff --git a/lib/private/AppFramework/OCS/V2Response.php b/lib/private/AppFramework/OCS/V2Response.php
index 0398a587ec4..1c6c2cd076e 100644
--- a/lib/private/AppFramework/OCS/V2Response.php
+++ b/lib/private/AppFramework/OCS/V2Response.php
@@ -23,6 +23,7 @@ class V2Response extends BaseResponse {
 	 *
 	 * @return Http::STATUS_*
 	 */
+	#[\Override]
 	public function getStatus() {
 		$status = parent::getStatus();
 		if ($status === OCSController::RESPOND_UNAUTHORISED) {
@@ -44,6 +45,7 @@ class V2Response extends BaseResponse {
 	 *
 	 * @return string
 	 */
+	#[\Override]
 	public function render() {
 		$status = parent::getStatus();
 
diff --git a/lib/private/AppFramework/ScopedPsrLogger.php b/lib/private/AppFramework/ScopedPsrLogger.php
index a413710a7d7..4a14a9d0b03 100644
--- a/lib/private/AppFramework/ScopedPsrLogger.php
+++ b/lib/private/AppFramework/ScopedPsrLogger.php
@@ -18,6 +18,7 @@ class ScopedPsrLogger implements LoggerInterface {
 	) {
 	}
 
+	#[\Override]
 	public function emergency($message, array $context = []): void {
 		$this->inner->emergency(
 			$message,
@@ -30,6 +31,7 @@ class ScopedPsrLogger implements LoggerInterface {
 		);
 	}
 
+	#[\Override]
 	public function alert($message, array $context = []): void {
 		$this->inner->alert(
 			$message,
@@ -42,6 +44,7 @@ class ScopedPsrLogger implements LoggerInterface {
 		);
 	}
 
+	#[\Override]
 	public function critical($message, array $context = []): void {
 		$this->inner->critical(
 			$message,
@@ -54,6 +57,7 @@ class ScopedPsrLogger implements LoggerInterface {
 		);
 	}
 
+	#[\Override]
 	public function error($message, array $context = []): void {
 		$this->inner->error(
 			$message,
@@ -66,6 +70,7 @@ class ScopedPsrLogger implements LoggerInterface {
 		);
 	}
 
+	#[\Override]
 	public function warning($message, array $context = []): void {
 		$this->inner->warning(
 			$message,
@@ -78,6 +83,7 @@ class ScopedPsrLogger implements LoggerInterface {
 		);
 	}
 
+	#[\Override]
 	public function notice($message, array $context = []): void {
 		$this->inner->notice(
 			$message,
@@ -90,6 +96,7 @@ class ScopedPsrLogger implements LoggerInterface {
 		);
 	}
 
+	#[\Override]
 	public function info($message, array $context = []): void {
 		$this->inner->info(
 			$message,
@@ -102,6 +109,7 @@ class ScopedPsrLogger implements LoggerInterface {
 		);
 	}
 
+	#[\Override]
 	public function debug($message, array $context = []): void {
 		$this->inner->debug(
 			$message,
@@ -114,6 +122,7 @@ class ScopedPsrLogger implements LoggerInterface {
 		);
 	}
 
+	#[\Override]
 	public function log($level, $message, array $context = []): void {
 		$this->inner->log(
 			$level,
diff --git a/lib/private/AppFramework/Services/AppConfig.php b/lib/private/AppFramework/Services/AppConfig.php
index 04d97738483..04178d042c4 100644
--- a/lib/private/AppFramework/Services/AppConfig.php
+++ b/lib/private/AppFramework/Services/AppConfig.php
@@ -30,6 +30,7 @@ class AppConfig implements IAppConfig {
 	 * @return string[] list of stored config keys
 	 * @since 20.0.0
 	 */
+	#[\Override]
 	public function getAppKeys(): array {
 		return $this->appConfig->getKeys($this->appName);
 	}
@@ -43,6 +44,7 @@ class AppConfig implements IAppConfig {
 	 * @return bool TRUE if key exists
 	 * @since 29.0.0
 	 */
+	#[\Override]
 	public function hasAppKey(string $key, ?bool $lazy = false): bool {
 		return $this->appConfig->hasKey($this->appName, $key, $lazy);
 	}
@@ -55,6 +57,7 @@ class AppConfig implements IAppConfig {
 	 * @throws AppConfigUnknownKeyException if config key is not known
 	 * @since 29.0.0
 	 */
+	#[\Override]
 	public function isSensitive(string $key, ?bool $lazy = false): bool {
 		return $this->appConfig->isSensitive($this->appName, $key, $lazy);
 	}
@@ -69,6 +72,7 @@ class AppConfig implements IAppConfig {
 	 * @see \OCP\IAppConfig for details about lazy loading
 	 * @since 29.0.0
 	 */
+	#[\Override]
 	public function isLazy(string $key): bool {
 		return $this->appConfig->isLazy($this->appName, $key);
 	}
@@ -82,6 +86,7 @@ class AppConfig implements IAppConfig {
 	 * @return array<string, string|int|float|bool|array> [configKey => configValue]
 	 * @since 29.0.0
 	 */
+	#[\Override]
 	public function getAllAppValues(string $key = '', bool $filtered = false): array {
 		return $this->appConfig->getAllValues($this->appName, $key, $filtered);
 	}
@@ -94,6 +99,7 @@ class AppConfig implements IAppConfig {
 	 * @since 20.0.0
 	 * @deprecated 29.0.0 use {@see setAppValueString()}
 	 */
+	#[\Override]
 	public function setAppValue(string $key, string $value): void {
 		/** @psalm-suppress InternalMethod */
 		$this->appConfig->setValueMixed($this->appName, $key, $value);
@@ -112,6 +118,7 @@ class AppConfig implements IAppConfig {
 	 * @since 29.0.0
 	 * @see \OCP\IAppConfig for explanation about lazy loading
 	 */
+	#[\Override]
 	public function setAppValueString(
 		string $key,
 		string $value,
@@ -134,6 +141,7 @@ class AppConfig implements IAppConfig {
 	 * @since 29.0.0
 	 * @see \OCP\IAppConfig for explanation about lazy loading
 	 */
+	#[\Override]
 	public function setAppValueInt(
 		string $key,
 		int $value,
@@ -156,6 +164,7 @@ class AppConfig implements IAppConfig {
 	 * @since 29.0.0
 	 * @see \OCP\IAppConfig for explanation about lazy loading
 	 */
+	#[\Override]
 	public function setAppValueFloat(
 		string $key,
 		float $value,
@@ -177,6 +186,7 @@ class AppConfig implements IAppConfig {
 	 * @since 29.0.0
 	 * @see \OCP\IAppConfig for explanation about lazy loading
 	 */
+	#[\Override]
 	public function setAppValueBool(
 		string $key,
 		bool $value,
@@ -199,6 +209,7 @@ class AppConfig implements IAppConfig {
 	 * @since 29.0.0
 	 * @see \OCP\IAppConfig for explanation about lazy loading
 	 */
+	#[\Override]
 	public function setAppValueArray(
 		string $key,
 		array $value,
@@ -216,6 +227,7 @@ class AppConfig implements IAppConfig {
 	 * @deprecated 29.0.0 use {@see getAppValueString()}
 	 * @return string
 	 */
+	#[\Override]
 	public function getAppValue(string $key, string $default = ''): string {
 		/** @psalm-suppress InternalMethod */
 		/** @psalm-suppress UndefinedInterfaceMethod */
@@ -235,6 +247,7 @@ class AppConfig implements IAppConfig {
 	 * @since 29.0.0
 	 * @see \OCP\IAppConfig for explanation about lazy loading
 	 */
+	#[\Override]
 	public function getAppValueString(string $key, string $default = '', bool $lazy = false): string {
 		return $this->appConfig->getValueString($this->appName, $key, $default, $lazy);
 	}
@@ -252,6 +265,7 @@ class AppConfig implements IAppConfig {
 	 * @since 29.0.0
 	 * @see \OCP\IAppConfig for explanation about lazy loading
 	 */
+	#[\Override]
 	public function getAppValueInt(string $key, int $default = 0, bool $lazy = false): int {
 		return $this->appConfig->getValueInt($this->appName, $key, $default, $lazy);
 	}
@@ -269,6 +283,7 @@ class AppConfig implements IAppConfig {
 	 * @since 29.0.0
 	 * @see \OCP\IAppConfig for explanation about lazy loading
 	 */
+	#[\Override]
 	public function getAppValueFloat(string $key, float $default = 0, bool $lazy = false): float {
 		return $this->appConfig->getValueFloat($this->appName, $key, $default, $lazy);
 	}
@@ -286,6 +301,7 @@ class AppConfig implements IAppConfig {
 	 * @since 29.0.0
 	 * @see \OCP\IAppConfig for explanation about lazy loading
 	 */
+	#[\Override]
 	public function getAppValueBool(string $key, bool $default = false, bool $lazy = false): bool {
 		return $this->appConfig->getValueBool($this->appName, $key, $default, $lazy);
 	}
@@ -303,6 +319,7 @@ class AppConfig implements IAppConfig {
 	 * @since 29.0.0
 	 * @see \OCP\IAppConfig for explanation about lazy loading
 	 */
+	#[\Override]
 	public function getAppValueArray(string $key, array $default = [], bool $lazy = false): array {
 		return $this->appConfig->getValueArray($this->appName, $key, $default, $lazy);
 	}
@@ -313,6 +330,7 @@ class AppConfig implements IAppConfig {
 	 * @param string $key the key of the value, under which it was saved
 	 * @since 20.0.0
 	 */
+	#[\Override]
 	public function deleteAppValue(string $key): void {
 		$this->appConfig->deleteKey($this->appName, $key);
 	}
@@ -322,18 +340,22 @@ class AppConfig implements IAppConfig {
 	 *
 	 * @since 20.0.0
 	 */
+	#[\Override]
 	public function deleteAppValues(): void {
 		$this->appConfig->deleteApp($this->appName);
 	}
 
+	#[\Override]
 	public function setUserValue(string $userId, string $key, string $value, ?string $preCondition = null): void {
 		$this->config->setUserValue($userId, $this->appName, $key, $value, $preCondition);
 	}
 
+	#[\Override]
 	public function getUserValue(string $userId, string $key, string $default = ''): string {
 		return $this->config->getUserValue($userId, $this->appName, $key, $default);
 	}
 
+	#[\Override]
 	public function deleteUserValue(string $userId, string $key): void {
 		$this->config->deleteUserValue($userId, $this->appName, $key);
 	}
diff --git a/lib/private/AppFramework/Services/InitialState.php b/lib/private/AppFramework/Services/InitialState.php
index 51c5fbe672d..d2caca47f7e 100644
--- a/lib/private/AppFramework/Services/InitialState.php
+++ b/lib/private/AppFramework/Services/InitialState.php
@@ -18,10 +18,12 @@ class InitialState implements IInitialState {
 	) {
 	}
 
+	#[\Override]
 	public function provideInitialState(string $key, $data): void {
 		$this->state->provideInitialState($this->appName, $key, $data);
 	}
 
+	#[\Override]
 	public function provideLazyInitialState(string $key, \Closure $closure): void {
 		$this->state->provideLazyInitialState($this->appName, $key, $closure);
 	}
diff --git a/lib/private/AppFramework/Utility/ControllerMethodReflector.php b/lib/private/AppFramework/Utility/ControllerMethodReflector.php
index 1d30ff2e137..8d76d6a1028 100644
--- a/lib/private/AppFramework/Utility/ControllerMethodReflector.php
+++ b/lib/private/AppFramework/Utility/ControllerMethodReflector.php
@@ -102,6 +102,7 @@ class ControllerMethodReflector implements IControllerMethodReflector {
 	 * @return string|null type in the type parameters (@param int $something)
 	 *                     would return int or null if not existing
 	 */
+	#[\Override]
 	public function getType(string $parameter) {
 		if (array_key_exists($parameter, $this->types)) {
 			return $this->types[$parameter];
@@ -121,6 +122,7 @@ class ControllerMethodReflector implements IControllerMethodReflector {
 	/**
 	 * @return array the arguments of the method with key => default value
 	 */
+	#[\Override]
 	public function getParameters(): array {
 		return $this->parameters;
 	}
@@ -130,6 +132,7 @@ class ControllerMethodReflector implements IControllerMethodReflector {
 	 *
 	 * @param class-string<T> $attributeClass
 	 */
+	#[\Override]
 	public function hasAnnotationOrAttribute(?string $annotationName, string $attributeClass): bool {
 		if (!empty($this->reflectionMethod->getAttributes($attributeClass))) {
 			return true;
@@ -148,6 +151,7 @@ class ControllerMethodReflector implements IControllerMethodReflector {
 	 * @param string $name the name of the annotation
 	 * @return bool true if the annotation is found
 	 */
+	#[\Override]
 	public function hasAnnotation(string $name): bool {
 		$name = strtolower($name);
 		return array_key_exists($name, $this->annotations);
diff --git a/lib/private/AppFramework/Utility/SimpleContainer.php b/lib/private/AppFramework/Utility/SimpleContainer.php
index 429b7d617ed..9afdfbef718 100644
--- a/lib/private/AppFramework/Utility/SimpleContainer.php
+++ b/lib/private/AppFramework/Utility/SimpleContainer.php
@@ -39,10 +39,12 @@ class SimpleContainer implements ArrayAccess, ContainerInterface, IContainer {
 	 * @param class-string<T>|string $id
 	 * @return ($id is class-string<T> ? T : mixed)
 	 */
+	#[\Override]
 	public function get(string $id): mixed {
 		return $this->query($id);
 	}
 
+	#[\Override]
 	public function has(string $id): bool {
 		// If a service is no registered but is an existing class, we can probably load it
 		return isset($this->container[$id]) || class_exists($id);
@@ -120,6 +122,7 @@ class SimpleContainer implements ArrayAccess, ContainerInterface, IContainer {
 	 * @inheritDoc
 	 * @param list<class-string> $chain
 	 */
+	#[\Override]
 	public function resolve(string $name, array $chain = []): mixed {
 		$baseMsg = 'Could not resolve ' . $name . '!';
 		try {
@@ -140,6 +143,7 @@ class SimpleContainer implements ArrayAccess, ContainerInterface, IContainer {
 	 * @inheritDoc
 	 * @param list<class-string> $chain
 	 */
+	#[\Override]
 	public function query(string $name, bool $autoload = true, array $chain = []): mixed {
 		$name = $this->sanitizeName($name);
 		if (isset($this->container[$name])) {
@@ -161,10 +165,12 @@ class SimpleContainer implements ArrayAccess, ContainerInterface, IContainer {
 		throw new QueryNotFoundException('Could not resolve ' . $name . '!');
 	}
 
+	#[\Override]
 	public function registerParameter(string $name, mixed $value): void {
 		$this[$name] = $value;
 	}
 
+	#[\Override]
 	public function registerService(string $name, Closure $closure, bool $shared = true): void {
 		$wrapped = function () use ($closure) {
 			return $closure($this);
@@ -187,6 +193,7 @@ class SimpleContainer implements ArrayAccess, ContainerInterface, IContainer {
 	 * @param string $alias the alias that should be registered
 	 * @param string $target the target that should be resolved instead
 	 */
+	#[\Override]
 	public function registerAlias(string $alias, string $target): void {
 		$this->registerService($alias, function (ContainerInterface $container) use ($target): mixed {
 			return $container->get($target);
@@ -222,6 +229,7 @@ class SimpleContainer implements ArrayAccess, ContainerInterface, IContainer {
 	/**
 	 * @deprecated 20.0.0 use \Psr\Container\ContainerInterface::has
 	 */
+	#[\Override]
 	public function offsetExists($id): bool {
 		return $this->container->offsetExists($id);
 	}
@@ -230,6 +238,7 @@ class SimpleContainer implements ArrayAccess, ContainerInterface, IContainer {
 	 * @deprecated 20.0.0 use \Psr\Container\ContainerInterface::get
 	 * @return mixed
 	 */
+	#[\Override]
 	#[\ReturnTypeWillChange]
 	public function offsetGet($id) {
 		return $this->container->offsetGet($id);
@@ -238,6 +247,7 @@ class SimpleContainer implements ArrayAccess, ContainerInterface, IContainer {
 	/**
 	 * @deprecated 20.0.0 use \OCP\IContainer::registerService
 	 */
+	#[\Override]
 	public function offsetSet($offset, $value): void {
 		$this->container->offsetSet($offset, $value);
 	}
@@ -245,6 +255,7 @@ class SimpleContainer implements ArrayAccess, ContainerInterface, IContainer {
 	/**
 	 * @deprecated 20.0.0
 	 */
+	#[\Override]
 	public function offsetUnset($offset): void {
 		$this->container->offsetUnset($offset);
 	}
diff --git a/lib/private/AppFramework/Utility/TimeFactory.php b/lib/private/AppFramework/Utility/TimeFactory.php
index 0584fd05ef9..5aba31577b2 100644
--- a/lib/private/AppFramework/Utility/TimeFactory.php
+++ b/lib/private/AppFramework/Utility/TimeFactory.php
@@ -29,6 +29,7 @@ class TimeFactory implements ITimeFactory {
 	 * @since 8.0.0
 	 * @deprecated 26.0.0 {@see ITimeFactory::now()}
 	 */
+	#[\Override]
 	public function getTime(): int {
 		return time();
 	}
@@ -40,13 +41,16 @@ class TimeFactory implements ITimeFactory {
 	 * @since 15.0.0
 	 * @deprecated 26.0.0 {@see ITimeFactory::now()}
 	 */
+	#[\Override]
 	public function getDateTime(string $time = 'now', ?\DateTimeZone $timezone = null): \DateTime {
 		return new \DateTime($time, $timezone);
 	}
 
+	#[\Override]
 	public function now(): \DateTimeImmutable {
 		return new \DateTimeImmutable('now', $this->timezone);
 	}
+	#[\Override]
 	public function withTimeZone(\DateTimeZone $timezone): static {
 		$clone = clone $this;
 		$clone->timezone = $timezone;
@@ -54,6 +58,7 @@ class TimeFactory implements ITimeFactory {
 		return $clone;
 	}
 
+	#[\Override]
 	public function getTimeZone(?string $timezone = null): \DateTimeZone {
 		if ($timezone !== null) {
 			return new \DateTimeZone($timezone);
diff --git a/lib/private/Archive/TAR.php b/lib/private/Archive/TAR.php
index 4de0f35ccfa..1376e428060 100644
--- a/lib/private/Archive/TAR.php
+++ b/lib/private/Archive/TAR.php
@@ -61,6 +61,7 @@ class TAR extends Archive {
 	/**
 	 * add an empty folder to the archive
 	 */
+	#[\Override]
 	public function addFolder(string $path): bool {
 		$tmpBase = Server::get(ITempManager::class)->getTemporaryFolder();
 		$path = rtrim($path, '/') . '/';
@@ -87,6 +88,7 @@ class TAR extends Archive {
 	 *
 	 * @param string $source either a local file or string data
 	 */
+	#[\Override]
 	public function addFile(string $path, string $source = ''): bool {
 		if ($this->fileExists($path)) {
 			$this->remove($path);
@@ -103,6 +105,7 @@ class TAR extends Archive {
 	/**
 	 * rename a file or folder in the archive
 	 */
+	#[\Override]
 	public function rename(string $source, string $dest): bool {
 		//no proper way to delete, rename entire archive, rename file and remake archive
 		$tmp = Server::get(ITempManager::class)->getTemporaryFolder();
@@ -137,6 +140,7 @@ class TAR extends Archive {
 	/**
 	 * get the uncompressed size of a file in the archive
 	 */
+	#[\Override]
 	public function filesize(string $path): false|int|float {
 		$stat = $this->getHeader($path);
 		return $stat['size'] ?? false;
@@ -147,6 +151,7 @@ class TAR extends Archive {
 	 *
 	 * @return int|false
 	 */
+	#[\Override]
 	public function mtime(string $path) {
 		$stat = $this->getHeader($path);
 		return $stat['mtime'] ?? false;
@@ -155,6 +160,7 @@ class TAR extends Archive {
 	/**
 	 * get the files in a folder
 	 */
+	#[\Override]
 	public function getFolder(string $path): array {
 		$files = $this->getFiles();
 		$folderContent = [];
@@ -179,6 +185,7 @@ class TAR extends Archive {
 	/**
 	 * get all files in the archive
 	 */
+	#[\Override]
 	public function getFiles(): array {
 		if ($this->fileList !== false) {
 			return $this->fileList;
@@ -204,6 +211,7 @@ class TAR extends Archive {
 	 *
 	 * @return string|false
 	 */
+	#[\Override]
 	public function getFile(string $path) {
 		$string = $this->tar->extractInString($path);
 		/** @var ?string $string */
@@ -217,6 +225,7 @@ class TAR extends Archive {
 	/**
 	 * extract a single file from the archive
 	 */
+	#[\Override]
 	public function extractFile(string $path, string $dest): bool {
 		$tmp = Server::get(ITempManager::class)->getTemporaryFolder();
 		if (!$this->fileExists($path)) {
@@ -237,6 +246,7 @@ class TAR extends Archive {
 	/**
 	 * extract the archive
 	 */
+	#[\Override]
 	public function extract(string $dest): bool {
 		return $this->tar->extract($dest);
 	}
@@ -244,6 +254,7 @@ class TAR extends Archive {
 	/**
 	 * check if a file or folder exists in the archive
 	 */
+	#[\Override]
 	public function fileExists(string $path): bool {
 		$files = $this->getFiles();
 		if ((in_array($path, $files)) || (in_array($path . '/', $files))) {
@@ -267,6 +278,7 @@ class TAR extends Archive {
 	/**
 	 * remove a file or folder from the archive
 	 */
+	#[\Override]
 	public function remove(string $path): bool {
 		if (!$this->fileExists($path)) {
 			return false;
@@ -288,6 +300,7 @@ class TAR extends Archive {
 	 *
 	 * @return bool|resource
 	 */
+	#[\Override]
 	public function getStream(string $path, string $mode) {
 		$lastPoint = strrpos($path, '.');
 		if ($lastPoint !== false) {
diff --git a/lib/private/Archive/ZIP.php b/lib/private/Archive/ZIP.php
index 0ed83110632..e3d20ccfd66 100644
--- a/lib/private/Archive/ZIP.php
+++ b/lib/private/Archive/ZIP.php
@@ -33,6 +33,7 @@ class ZIP extends Archive {
 	 * @param string $path
 	 * @return bool
 	 */
+	#[\Override]
 	public function addFolder(string $path): bool {
 		return $this->zip->addEmptyDir($path);
 	}
@@ -41,6 +42,7 @@ class ZIP extends Archive {
 	 * add a file to the archive
 	 * @param string $source either a local file or string data
 	 */
+	#[\Override]
 	public function addFile(string $path, string $source = ''): bool {
 		if ($source && $source[0] === '/' && file_exists($source)) {
 			$result = $this->zip->addFile($source, $path);
@@ -57,6 +59,7 @@ class ZIP extends Archive {
 	/**
 	 * rename a file or folder in the archive
 	 */
+	#[\Override]
 	public function rename(string $source, string $dest): bool {
 		$source = $this->stripPath($source);
 		$dest = $this->stripPath($dest);
@@ -66,6 +69,7 @@ class ZIP extends Archive {
 	/**
 	 * get the uncompressed size of a file in the archive
 	 */
+	#[\Override]
 	public function filesize(string $path): false|int|float {
 		$stat = $this->zip->statName($path);
 		return $stat['size'] ?? false;
@@ -75,6 +79,7 @@ class ZIP extends Archive {
 	 * get the last modified time of a file in the archive
 	 * @return int|false
 	 */
+	#[\Override]
 	public function mtime(string $path) {
 		return filemtime($this->path);
 	}
@@ -82,6 +87,7 @@ class ZIP extends Archive {
 	/**
 	 * get the files in a folder
 	 */
+	#[\Override]
 	public function getFolder(string $path): array {
 		// FIXME: multiple calls on getFolder would traverse
 		// the whole file list over and over again
@@ -128,6 +134,7 @@ class ZIP extends Archive {
 	/**
 	 * get all files in the archive
 	 */
+	#[\Override]
 	public function getFiles(): array {
 		$fileCount = $this->zip->numFiles;
 		$files = [];
@@ -141,6 +148,7 @@ class ZIP extends Archive {
 	 * get the content of a file
 	 * @return string|false
 	 */
+	#[\Override]
 	public function getFile(string $path) {
 		return $this->zip->getFromName($path);
 	}
@@ -148,6 +156,7 @@ class ZIP extends Archive {
 	/**
 	 * extract a single file from the archive
 	 */
+	#[\Override]
 	public function extractFile(string $path, string $dest): bool {
 		$fp = $this->zip->getStream($path);
 		if ($fp === false) {
@@ -159,6 +168,7 @@ class ZIP extends Archive {
 	/**
 	 * extract the archive
 	 */
+	#[\Override]
 	public function extract(string $dest): bool {
 		return $this->zip->extractTo($dest);
 	}
@@ -166,6 +176,7 @@ class ZIP extends Archive {
 	/**
 	 * check if a file or folder exists in the archive
 	 */
+	#[\Override]
 	public function fileExists(string $path): bool {
 		return ($this->zip->locateName($path) !== false) || ($this->zip->locateName($path . '/') !== false);
 	}
@@ -173,6 +184,7 @@ class ZIP extends Archive {
 	/**
 	 * remove a file or folder from the archive
 	 */
+	#[\Override]
 	public function remove(string $path): bool {
 		if ($this->fileExists($path . '/')) {
 			return $this->zip->deleteName($path . '/');
@@ -185,6 +197,7 @@ class ZIP extends Archive {
 	 * get a file handler
 	 * @return bool|resource
 	 */
+	#[\Override]
 	public function getStream(string $path, string $mode) {
 		if ($mode === 'r' || $mode === 'rb') {
 			return $this->zip->getStream($path);
diff --git a/lib/private/Authentication/Exceptions/ExpiredTokenException.php b/lib/private/Authentication/Exceptions/ExpiredTokenException.php
index eed2358d29d..58ee79dd41c 100644
--- a/lib/private/Authentication/Exceptions/ExpiredTokenException.php
+++ b/lib/private/Authentication/Exceptions/ExpiredTokenException.php
@@ -20,6 +20,7 @@ class ExpiredTokenException extends \OCP\Authentication\Exceptions\ExpiredTokenE
 		parent::__construct($token);
 	}
 
+	#[\Override]
 	public function getToken(): IToken {
 		$token = parent::getToken();
 		/** @var IToken $token We know that we passed OC interface from constructor */
diff --git a/lib/private/Authentication/Exceptions/WipeTokenException.php b/lib/private/Authentication/Exceptions/WipeTokenException.php
index 6bf0565434a..00b28e8e2a1 100644
--- a/lib/private/Authentication/Exceptions/WipeTokenException.php
+++ b/lib/private/Authentication/Exceptions/WipeTokenException.php
@@ -20,6 +20,7 @@ class WipeTokenException extends \OCP\Authentication\Exceptions\WipeTokenExcepti
 		parent::__construct($token);
 	}
 
+	#[\Override]
 	public function getToken(): IToken {
 		$token = parent::getToken();
 		/** @var IToken $token We know that we passed OC interface from constructor */
diff --git a/lib/private/Authentication/Listeners/LoginFailedListener.php b/lib/private/Authentication/Listeners/LoginFailedListener.php
index 7e46d2e7b24..c8747d53b55 100644
--- a/lib/private/Authentication/Listeners/LoginFailedListener.php
+++ b/lib/private/Authentication/Listeners/LoginFailedListener.php
@@ -27,6 +27,7 @@ class LoginFailedListener implements IEventListener {
 	) {
 	}
 
+	#[\Override]
 	public function handle(Event $event): void {
 		if (!($event instanceof LoginFailed)) {
 			return;
diff --git a/lib/private/Authentication/Listeners/RemoteWipeActivityListener.php b/lib/private/Authentication/Listeners/RemoteWipeActivityListener.php
index b071886fd74..a7c605569f4 100644
--- a/lib/private/Authentication/Listeners/RemoteWipeActivityListener.php
+++ b/lib/private/Authentication/Listeners/RemoteWipeActivityListener.php
@@ -28,6 +28,7 @@ class RemoteWipeActivityListener implements IEventListener {
 	) {
 	}
 
+	#[\Override]
 	public function handle(Event $event): void {
 		if ($event instanceof RemoteWipeStarted) {
 			$this->publishActivity('remote_wipe_start', $event->getToken());
diff --git a/lib/private/Authentication/Listeners/RemoteWipeEmailListener.php b/lib/private/Authentication/Listeners/RemoteWipeEmailListener.php
index cf18ae2afcc..943df1e44e1 100644
--- a/lib/private/Authentication/Listeners/RemoteWipeEmailListener.php
+++ b/lib/private/Authentication/Listeners/RemoteWipeEmailListener.php
@@ -41,6 +41,7 @@ class RemoteWipeEmailListener implements IEventListener {
 	/**
 	 * @param Event $event
 	 */
+	#[\Override]
 	public function handle(Event $event): void {
 		if ($event instanceof RemoteWipeStarted) {
 			$uid = $event->getToken()->getUID();
diff --git a/lib/private/Authentication/Listeners/RemoteWipeNotificationsListener.php b/lib/private/Authentication/Listeners/RemoteWipeNotificationsListener.php
index 5e5b0fcaa50..b3fafa44c98 100644
--- a/lib/private/Authentication/Listeners/RemoteWipeNotificationsListener.php
+++ b/lib/private/Authentication/Listeners/RemoteWipeNotificationsListener.php
@@ -27,6 +27,7 @@ class RemoteWipeNotificationsListener implements IEventListener {
 	) {
 	}
 
+	#[\Override]
 	public function handle(Event $event): void {
 		if ($event instanceof RemoteWipeStarted) {
 			$this->sendNotification('remote_wipe_start', $event->getToken());
diff --git a/lib/private/Authentication/Listeners/UserDeletedFilesCleanupListener.php b/lib/private/Authentication/Listeners/UserDeletedFilesCleanupListener.php
index a619021d192..45de836482d 100644
--- a/lib/private/Authentication/Listeners/UserDeletedFilesCleanupListener.php
+++ b/lib/private/Authentication/Listeners/UserDeletedFilesCleanupListener.php
@@ -29,6 +29,7 @@ class UserDeletedFilesCleanupListener implements IEventListener {
 	) {
 	}
 
+	#[\Override]
 	public function handle(Event $event): void {
 		$user = $event->getUser();
 
diff --git a/lib/private/Authentication/Listeners/UserDeletedStoreCleanupListener.php b/lib/private/Authentication/Listeners/UserDeletedStoreCleanupListener.php
index d7a9bf4fb29..a3933116bd2 100644
--- a/lib/private/Authentication/Listeners/UserDeletedStoreCleanupListener.php
+++ b/lib/private/Authentication/Listeners/UserDeletedStoreCleanupListener.php
@@ -22,6 +22,7 @@ class UserDeletedStoreCleanupListener implements IEventListener {
 	) {
 	}
 
+	#[\Override]
 	public function handle(Event $event): void {
 		if (!($event instanceof UserDeletedEvent)) {
 			return;
diff --git a/lib/private/Authentication/Listeners/UserDeletedTokenCleanupListener.php b/lib/private/Authentication/Listeners/UserDeletedTokenCleanupListener.php
index 6365e973ec6..bc67ef0feec 100644
--- a/lib/private/Authentication/Listeners/UserDeletedTokenCleanupListener.php
+++ b/lib/private/Authentication/Listeners/UserDeletedTokenCleanupListener.php
@@ -25,6 +25,7 @@ class UserDeletedTokenCleanupListener implements IEventListener {
 	) {
 	}
 
+	#[\Override]
 	public function handle(Event $event): void {
 		if (!($event instanceof UserDeletedEvent)) {
 			// Unrelated
diff --git a/lib/private/Authentication/Listeners/UserDeletedWebAuthnCleanupListener.php b/lib/private/Authentication/Listeners/UserDeletedWebAuthnCleanupListener.php
index d025a2150a3..cd3f9af5924 100644
--- a/lib/private/Authentication/Listeners/UserDeletedWebAuthnCleanupListener.php
+++ b/lib/private/Authentication/Listeners/UserDeletedWebAuthnCleanupListener.php
@@ -21,6 +21,7 @@ class UserDeletedWebAuthnCleanupListener implements IEventListener {
 	) {
 	}
 
+	#[\Override]
 	public function handle(Event $event): void {
 		if (!($event instanceof UserDeletedEvent)) {
 			return;
diff --git a/lib/private/Authentication/Listeners/UserLoggedInListener.php b/lib/private/Authentication/Listeners/UserLoggedInListener.php
index a4fc2d50611..2eafc7e1c4e 100644
--- a/lib/private/Authentication/Listeners/UserLoggedInListener.php
+++ b/lib/private/Authentication/Listeners/UserLoggedInListener.php
@@ -22,6 +22,7 @@ class UserLoggedInListener implements IEventListener {
 	) {
 	}
 
+	#[\Override]
 	public function handle(Event $event): void {
 		if (!($event instanceof PostLoginEvent)) {
 			return;
diff --git a/lib/private/Authentication/Login/ClearLostPasswordTokensCommand.php b/lib/private/Authentication/Login/ClearLostPasswordTokensCommand.php
index cd40348b056..0b6bb19da80 100644
--- a/lib/private/Authentication/Login/ClearLostPasswordTokensCommand.php
+++ b/lib/private/Authentication/Login/ClearLostPasswordTokensCommand.php
@@ -19,6 +19,7 @@ class ClearLostPasswordTokensCommand extends ALoginCommand {
 	/**
 	 * User has successfully logged in, now remove the password reset link, when it is available
 	 */
+	#[\Override]
 	public function process(LoginData $loginData): LoginResult {
 		$this->config->deleteUserValue(
 			$loginData->getUser()->getUID(),
diff --git a/lib/private/Authentication/Login/CompleteLoginCommand.php b/lib/private/Authentication/Login/CompleteLoginCommand.php
index 974775a2a3d..3726de7cc3a 100644
--- a/lib/private/Authentication/Login/CompleteLoginCommand.php
+++ b/lib/private/Authentication/Login/CompleteLoginCommand.php
@@ -16,6 +16,7 @@ class CompleteLoginCommand extends ALoginCommand {
 	) {
 	}
 
+	#[\Override]
 	public function process(LoginData $loginData): LoginResult {
 		$this->userSession->completeLogin(
 			$loginData->getUser(),
diff --git a/lib/private/Authentication/Login/CreateSessionTokenCommand.php b/lib/private/Authentication/Login/CreateSessionTokenCommand.php
index 806af13eae4..8ad098cebe1 100644
--- a/lib/private/Authentication/Login/CreateSessionTokenCommand.php
+++ b/lib/private/Authentication/Login/CreateSessionTokenCommand.php
@@ -19,6 +19,7 @@ class CreateSessionTokenCommand extends ALoginCommand {
 	) {
 	}
 
+	#[\Override]
 	public function process(LoginData $loginData): LoginResult {
 		if ($this->config->getSystemValueInt('remember_login_cookie_lifetime', 60 * 60 * 24 * 15) === 0) {
 			$loginData->setRememberLogin(false);
diff --git a/lib/private/Authentication/Login/FinishRememberedLoginCommand.php b/lib/private/Authentication/Login/FinishRememberedLoginCommand.php
index e455a67f31d..e76ecd61407 100644
--- a/lib/private/Authentication/Login/FinishRememberedLoginCommand.php
+++ b/lib/private/Authentication/Login/FinishRememberedLoginCommand.php
@@ -18,6 +18,7 @@ class FinishRememberedLoginCommand extends ALoginCommand {
 	) {
 	}
 
+	#[\Override]
 	public function process(LoginData $loginData): LoginResult {
 		if ($loginData->isRememberLogin() && !$this->config->getSystemValueBool('auto_logout', false)) {
 			$this->userSession->createRememberMeToken($loginData->getUser());
diff --git a/lib/private/Authentication/Login/FlowV2EphemeralSessionsCommand.php b/lib/private/Authentication/Login/FlowV2EphemeralSessionsCommand.php
index 362aab7933e..40b78229306 100644
--- a/lib/private/Authentication/Login/FlowV2EphemeralSessionsCommand.php
+++ b/lib/private/Authentication/Login/FlowV2EphemeralSessionsCommand.php
@@ -21,6 +21,7 @@ class FlowV2EphemeralSessionsCommand extends ALoginCommand {
 	) {
 	}
 
+	#[\Override]
 	public function process(LoginData $loginData): LoginResult {
 		$loginV2GrantRoute = $this->urlGenerator->linkToRoute('core.ClientFlowLoginV2.grantPage');
 		if (str_starts_with($loginData->getRedirectUrl() ?? '', $loginV2GrantRoute)) {
diff --git a/lib/private/Authentication/Login/LoggedInCheckCommand.php b/lib/private/Authentication/Login/LoggedInCheckCommand.php
index 58a07691943..7b359c619aa 100644
--- a/lib/private/Authentication/Login/LoggedInCheckCommand.php
+++ b/lib/private/Authentication/Login/LoggedInCheckCommand.php
@@ -20,6 +20,7 @@ class LoggedInCheckCommand extends ALoginCommand {
 	) {
 	}
 
+	#[\Override]
 	public function process(LoginData $loginData): LoginResult {
 		if ($loginData->getUser() === false) {
 			$loginName = $loginData->getUsername();
diff --git a/lib/private/Authentication/Login/PreLoginHookCommand.php b/lib/private/Authentication/Login/PreLoginHookCommand.php
index 5fd8a9dbaef..71f545f79b7 100644
--- a/lib/private/Authentication/Login/PreLoginHookCommand.php
+++ b/lib/private/Authentication/Login/PreLoginHookCommand.php
@@ -17,6 +17,7 @@ class PreLoginHookCommand extends ALoginCommand {
 	) {
 	}
 
+	#[\Override]
 	public function process(LoginData $loginData): LoginResult {
 		if ($this->userManager instanceof PublicEmitter) {
 			$this->userManager->emit(
diff --git a/lib/private/Authentication/Login/SetUserTimezoneCommand.php b/lib/private/Authentication/Login/SetUserTimezoneCommand.php
index 635be703336..182e6967227 100644
--- a/lib/private/Authentication/Login/SetUserTimezoneCommand.php
+++ b/lib/private/Authentication/Login/SetUserTimezoneCommand.php
@@ -20,6 +20,7 @@ class SetUserTimezoneCommand extends ALoginCommand {
 	) {
 	}
 
+	#[\Override]
 	public function process(LoginData $loginData): LoginResult {
 		if ($loginData->getTimeZoneOffset() !== '' && $this->isValidTimezone($loginData->getTimeZone())) {
 			$userId = $loginData->getUser()->getUID();
diff --git a/lib/private/Authentication/Login/TwoFactorCommand.php b/lib/private/Authentication/Login/TwoFactorCommand.php
index af425744122..f770067824d 100644
--- a/lib/private/Authentication/Login/TwoFactorCommand.php
+++ b/lib/private/Authentication/Login/TwoFactorCommand.php
@@ -23,6 +23,7 @@ class TwoFactorCommand extends ALoginCommand {
 	) {
 	}
 
+	#[\Override]
 	public function process(LoginData $loginData): LoginResult {
 		if (!$this->twoFactorManager->isTwoFactorAuthenticated($loginData->getUser())) {
 			return $this->processNextOrFinishSuccessfully($loginData);
diff --git a/lib/private/Authentication/Login/UidLoginCommand.php b/lib/private/Authentication/Login/UidLoginCommand.php
index c722a5057cc..09c87ad3a8d 100644
--- a/lib/private/Authentication/Login/UidLoginCommand.php
+++ b/lib/private/Authentication/Login/UidLoginCommand.php
@@ -22,6 +22,7 @@ class UidLoginCommand extends ALoginCommand {
 	 *
 	 * @return LoginResult
 	 */
+	#[\Override]
 	public function process(LoginData $loginData): LoginResult {
 		/* @var $loginResult IUser */
 		$user = $this->userManager->checkPasswordNoLogging(
diff --git a/lib/private/Authentication/Login/UpdateLastPasswordConfirmCommand.php b/lib/private/Authentication/Login/UpdateLastPasswordConfirmCommand.php
index a13dd1d6f17..a03ccd5d243 100644
--- a/lib/private/Authentication/Login/UpdateLastPasswordConfirmCommand.php
+++ b/lib/private/Authentication/Login/UpdateLastPasswordConfirmCommand.php
@@ -16,6 +16,7 @@ class UpdateLastPasswordConfirmCommand extends ALoginCommand {
 	) {
 	}
 
+	#[\Override]
 	public function process(LoginData $loginData): LoginResult {
 		$this->session->set(
 			'last-password-confirm',
diff --git a/lib/private/Authentication/Login/UserDisabledCheckCommand.php b/lib/private/Authentication/Login/UserDisabledCheckCommand.php
index b8977b58304..d9c5fc3aa92 100644
--- a/lib/private/Authentication/Login/UserDisabledCheckCommand.php
+++ b/lib/private/Authentication/Login/UserDisabledCheckCommand.php
@@ -19,6 +19,7 @@ class UserDisabledCheckCommand extends ALoginCommand {
 	) {
 	}
 
+	#[\Override]
 	public function process(LoginData $loginData): LoginResult {
 		$user = $this->userManager->get($loginData->getUsername());
 		if ($user !== null && $user->isEnabled() === false) {
diff --git a/lib/private/Authentication/Login/WebAuthnLoginCommand.php b/lib/private/Authentication/Login/WebAuthnLoginCommand.php
index 3c9dcacbc8f..3ceec3eeb6e 100644
--- a/lib/private/Authentication/Login/WebAuthnLoginCommand.php
+++ b/lib/private/Authentication/Login/WebAuthnLoginCommand.php
@@ -16,6 +16,7 @@ class WebAuthnLoginCommand extends ALoginCommand {
 	) {
 	}
 
+	#[\Override]
 	public function process(LoginData $loginData): LoginResult {
 		$user = $this->userManager->get($loginData->getUsername());
 		$loginData->setUser($user);
diff --git a/lib/private/Authentication/LoginCredentials/Store.php b/lib/private/Authentication/LoginCredentials/Store.php
index 45812ba4350..bab1d1cf910 100644
--- a/lib/private/Authentication/LoginCredentials/Store.php
+++ b/lib/private/Authentication/LoginCredentials/Store.php
@@ -58,6 +58,7 @@ class Store implements IStore {
 	 * @return ICredentials the login credentials of the current user
 	 * @throws CredentialsUnavailableException
 	 */
+	#[\Override]
 	public function getLoginCredentials(): ICredentials {
 		if ($this->tokenProvider === null) {
 			throw new CredentialsUnavailableException();
diff --git a/lib/private/Authentication/Notifications/Notifier.php b/lib/private/Authentication/Notifications/Notifier.php
index 7742eb95a2b..af92e476110 100644
--- a/lib/private/Authentication/Notifications/Notifier.php
+++ b/lib/private/Authentication/Notifications/Notifier.php
@@ -22,6 +22,7 @@ class Notifier implements INotifier {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function prepare(INotification $notification, string $languageCode): INotification {
 		if ($notification->getApp() !== 'auth') {
 			// Not my app => throw
@@ -60,6 +61,7 @@ class Notifier implements INotifier {
 	 * @return string
 	 * @since 17.0.0
 	 */
+	#[\Override]
 	public function getID(): string {
 		return 'auth';
 	}
@@ -70,6 +72,7 @@ class Notifier implements INotifier {
 	 * @return string
 	 * @since 17.0.0
 	 */
+	#[\Override]
 	public function getName(): string {
 		return $this->factory->get('lib')->t('Authentication');
 	}
diff --git a/lib/private/Authentication/Token/Manager.php b/lib/private/Authentication/Token/Manager.php
index f3eb78876b0..836484dbf7f 100644
--- a/lib/private/Authentication/Token/Manager.php
+++ b/lib/private/Authentication/Token/Manager.php
@@ -34,6 +34,7 @@ class Manager implements IProvider, OCPIProvider {
 	 * @param int $remember whether the session token should be used for remember-me
 	 * @return OCPIToken
 	 */
+	#[\Override]
 	public function generateToken(string $token,
 		string $uid,
 		string $loginName,
@@ -82,6 +83,7 @@ class Manager implements IProvider, OCPIProvider {
 	 * @param OCPIToken $token
 	 * @throws InvalidTokenException
 	 */
+	#[\Override]
 	public function updateToken(OCPIToken $token) {
 		$provider = $this->getProvider($token);
 		$provider->updateToken($token);
@@ -93,6 +95,7 @@ class Manager implements IProvider, OCPIProvider {
 	 * @throws InvalidTokenException
 	 * @param OCPIToken $token
 	 */
+	#[\Override]
 	public function updateTokenActivity(OCPIToken $token) {
 		$provider = $this->getProvider($token);
 		$provider->updateTokenActivity($token);
@@ -102,6 +105,7 @@ class Manager implements IProvider, OCPIProvider {
 	 * @param string $uid
 	 * @return OCPIToken[]
 	 */
+	#[\Override]
 	public function getTokenByUser(string $uid): array {
 		return $this->publicKeyTokenProvider->getTokenByUser($uid);
 	}
@@ -114,6 +118,7 @@ class Manager implements IProvider, OCPIProvider {
 	 * @throws \RuntimeException when OpenSSL reports a problem
 	 * @return OCPIToken
 	 */
+	#[\Override]
 	public function getToken(string $tokenId): OCPIToken {
 		try {
 			return $this->publicKeyTokenProvider->getToken($tokenId);
@@ -133,6 +138,7 @@ class Manager implements IProvider, OCPIProvider {
 	 * @throws InvalidTokenException
 	 * @return OCPIToken
 	 */
+	#[\Override]
 	public function getTokenById(int $tokenId): OCPIToken {
 		try {
 			return $this->publicKeyTokenProvider->getTokenById($tokenId);
@@ -151,6 +157,7 @@ class Manager implements IProvider, OCPIProvider {
 	 * @throws InvalidTokenException
 	 * @return OCPIToken
 	 */
+	#[\Override]
 	public function renewSessionToken(string $oldSessionId, string $sessionId): OCPIToken {
 		try {
 			return $this->publicKeyTokenProvider->renewSessionToken($oldSessionId, $sessionId);
@@ -168,28 +175,34 @@ class Manager implements IProvider, OCPIProvider {
 	 * @throws PasswordlessTokenException
 	 * @return string
 	 */
+	#[\Override]
 	public function getPassword(OCPIToken $savedToken, string $tokenId): string {
 		$provider = $this->getProvider($savedToken);
 		return $provider->getPassword($savedToken, $tokenId);
 	}
 
+	#[\Override]
 	public function setPassword(OCPIToken $token, string $tokenId, string $password) {
 		$provider = $this->getProvider($token);
 		$provider->setPassword($token, $tokenId, $password);
 	}
 
+	#[\Override]
 	public function invalidateToken(string $token) {
 		$this->publicKeyTokenProvider->invalidateToken($token);
 	}
 
+	#[\Override]
 	public function invalidateTokenById(string $uid, int $id) {
 		$this->publicKeyTokenProvider->invalidateTokenById($uid, $id);
 	}
 
+	#[\Override]
 	public function invalidateOldTokens() {
 		$this->publicKeyTokenProvider->invalidateOldTokens();
 	}
 
+	#[\Override]
 	public function invalidateLastUsedBefore(string $uid, int $before): void {
 		$this->publicKeyTokenProvider->invalidateLastUsedBefore($uid, $before);
 	}
@@ -202,6 +215,7 @@ class Manager implements IProvider, OCPIProvider {
 	 * @throws InvalidTokenException
 	 * @throws \RuntimeException when OpenSSL reports a problem
 	 */
+	#[\Override]
 	public function rotate(OCPIToken $token, string $oldTokenId, string $newTokenId): OCPIToken {
 		if ($token instanceof PublicKeyToken) {
 			return $this->publicKeyTokenProvider->rotate($token, $oldTokenId, $newTokenId);
@@ -225,14 +239,17 @@ class Manager implements IProvider, OCPIProvider {
 	}
 
 
+	#[\Override]
 	public function markPasswordInvalid(OCPIToken $token, string $tokenId) {
 		$this->getProvider($token)->markPasswordInvalid($token, $tokenId);
 	}
 
+	#[\Override]
 	public function updatePasswords(string $uid, string $password) {
 		$this->publicKeyTokenProvider->updatePasswords($uid, $password);
 	}
 
+	#[\Override]
 	public function invalidateTokensOfUser(string $uid, ?string $clientName) {
 		$tokens = $this->getTokenByUser($uid);
 		foreach ($tokens as $token) {
diff --git a/lib/private/Authentication/Token/PublicKeyToken.php b/lib/private/Authentication/Token/PublicKeyToken.php
index cf3a8b16141..11739507851 100644
--- a/lib/private/Authentication/Token/PublicKeyToken.php
+++ b/lib/private/Authentication/Token/PublicKeyToken.php
@@ -101,11 +101,13 @@ class PublicKeyToken extends Entity implements INamedToken, IWipeableToken {
 		$this->addType('passwordInvalid', Types::BOOLEAN);
 	}
 
+	#[\Override]
 	public function getId(): int {
 		assert(!is_string($this->id) && $this->id !== null);
 		return $this->id;
 	}
 
+	#[\Override]
 	public function getUID(): string {
 		return $this->uid;
 	}
@@ -115,6 +117,7 @@ class PublicKeyToken extends Entity implements INamedToken, IWipeableToken {
 	 *
 	 * @return string
 	 */
+	#[\Override]
 	public function getLoginName(): string {
 		return parent::getLoginName();
 	}
@@ -122,10 +125,12 @@ class PublicKeyToken extends Entity implements INamedToken, IWipeableToken {
 	/**
 	 * Get the (encrypted) login password
 	 */
+	#[\Override]
 	public function getPassword(): ?string {
 		return parent::getPassword();
 	}
 
+	#[\Override]
 	public function jsonSerialize(): array {
 		return [
 			'id' => $this->id,
@@ -141,6 +146,7 @@ class PublicKeyToken extends Entity implements INamedToken, IWipeableToken {
 	 *
 	 * @return int
 	 */
+	#[\Override]
 	public function getLastCheck(): int {
 		return parent::getLastCheck();
 	}
@@ -148,10 +154,12 @@ class PublicKeyToken extends Entity implements INamedToken, IWipeableToken {
 	/**
 	 * Get the timestamp of the last password check
 	 */
+	#[\Override]
 	public function setLastCheck(int $time): void {
 		parent::setLastCheck($time);
 	}
 
+	#[\Override]
 	public function getScope(): string {
 		$scope = parent::getScope();
 		if ($scope === null) {
@@ -161,6 +169,7 @@ class PublicKeyToken extends Entity implements INamedToken, IWipeableToken {
 		return $scope;
 	}
 
+	#[\Override]
 	public function getScopeAsArray(): array {
 		$scope = json_decode($this->getScope(), true);
 		if (!$scope) {
@@ -171,6 +180,7 @@ class PublicKeyToken extends Entity implements INamedToken, IWipeableToken {
 		return $scope;
 	}
 
+	#[\Override]
 	public function setScope(array|string|null $scope): void {
 		if (is_array($scope)) {
 			parent::setScope(json_encode($scope));
@@ -179,26 +189,32 @@ class PublicKeyToken extends Entity implements INamedToken, IWipeableToken {
 		}
 	}
 
+	#[\Override]
 	public function getName(): string {
 		return parent::getName();
 	}
 
+	#[\Override]
 	public function setName(string $name): void {
 		parent::setName($name);
 	}
 
+	#[\Override]
 	public function getRemember(): int {
 		return parent::getRemember();
 	}
 
+	#[\Override]
 	public function setToken(string $token): void {
 		parent::setToken($token);
 	}
 
+	#[\Override]
 	public function setPassword(?string $password = null): void {
 		parent::setPassword($password);
 	}
 
+	#[\Override]
 	public function setExpires($expires): void {
 		parent::setExpires($expires);
 	}
@@ -214,6 +230,7 @@ class PublicKeyToken extends Entity implements INamedToken, IWipeableToken {
 		parent::setPasswordInvalid($invalid);
 	}
 
+	#[\Override]
 	public function wipe(): void {
 		parent::setType(IToken::WIPE_TOKEN);
 	}
diff --git a/lib/private/Authentication/Token/PublicKeyTokenProvider.php b/lib/private/Authentication/Token/PublicKeyTokenProvider.php
index 14cd53435e3..a43d4a7f888 100644
--- a/lib/private/Authentication/Token/PublicKeyTokenProvider.php
+++ b/lib/private/Authentication/Token/PublicKeyTokenProvider.php
@@ -56,6 +56,7 @@ class PublicKeyTokenProvider implements IProvider {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function generateToken(string $token,
 		string $uid,
 		string $loginName,
@@ -102,6 +103,7 @@ class PublicKeyTokenProvider implements IProvider {
 		return $dbToken;
 	}
 
+	#[\Override]
 	public function getToken(string $tokenId): OCPIToken {
 		/**
 		 * Token length: 72
@@ -177,6 +179,7 @@ class PublicKeyTokenProvider implements IProvider {
 		$this->cache->set($tokenHash, false, self::TOKEN_CACHE_TTL * 2);
 	}
 
+	#[\Override]
 	public function getTokenById(int $tokenId): OCPIToken {
 		try {
 			$token = $this->mapper->getTokenById($tokenId);
@@ -204,6 +207,7 @@ class PublicKeyTokenProvider implements IProvider {
 		}
 	}
 
+	#[\Override]
 	public function renewSessionToken(string $oldSessionId, string $sessionId): OCPIToken {
 		return $this->atomic(function () use ($oldSessionId, $sessionId) {
 			$token = $this->getToken($oldSessionId);
@@ -238,6 +242,7 @@ class PublicKeyTokenProvider implements IProvider {
 		}, $this->db);
 	}
 
+	#[\Override]
 	public function invalidateToken(string $token) {
 		$tokenHash = $this->hashToken($token);
 		$tokenEntry = null;
@@ -253,6 +258,7 @@ class PublicKeyTokenProvider implements IProvider {
 		}
 	}
 
+	#[\Override]
 	public function invalidateTokenById(string $uid, int $id) {
 		$token = $this->mapper->getTokenById($id);
 		if ($token->getUID() !== $uid) {
@@ -263,6 +269,7 @@ class PublicKeyTokenProvider implements IProvider {
 		$this->eventDispatcher->dispatchTyped(new TokenInvalidatedEvent($token));
 	}
 
+	#[\Override]
 	public function invalidateOldTokens() {
 		$olderThan = $this->time->getTime() - $this->config->getSystemValueInt('session_lifetime', 60 * 60 * 24);
 		$this->logger->debug('Invalidating session tokens older than ' . date('c', $olderThan), ['app' => 'cron']);
@@ -281,10 +288,12 @@ class PublicKeyTokenProvider implements IProvider {
 		$this->mapper->invalidateOld($authTokenThreshold, OCPIToken::PERMANENT_TOKEN);
 	}
 
+	#[\Override]
 	public function invalidateLastUsedBefore(string $uid, int $before): void {
 		$this->mapper->invalidateLastUsedBefore($uid, $before);
 	}
 
+	#[\Override]
 	public function updateToken(OCPIToken $token) {
 		if (!($token instanceof PublicKeyToken)) {
 			throw new InvalidTokenException('Invalid token type');
@@ -293,6 +302,7 @@ class PublicKeyTokenProvider implements IProvider {
 		$this->cacheToken($token);
 	}
 
+	#[\Override]
 	public function updateTokenActivity(OCPIToken $token) {
 		if (!($token instanceof PublicKeyToken)) {
 			throw new InvalidTokenException('Invalid token type');
@@ -310,10 +320,12 @@ class PublicKeyTokenProvider implements IProvider {
 		}
 	}
 
+	#[\Override]
 	public function getTokenByUser(string $uid): array {
 		return $this->mapper->getTokenByUser($uid);
 	}
 
+	#[\Override]
 	public function getPassword(OCPIToken $savedToken, string $tokenId): string {
 		if (!($savedToken instanceof PublicKeyToken)) {
 			throw new InvalidTokenException('Invalid token type');
@@ -330,6 +342,7 @@ class PublicKeyTokenProvider implements IProvider {
 		return $this->decryptPassword($savedToken->getPassword(), $privateKey);
 	}
 
+	#[\Override]
 	public function setPassword(OCPIToken $token, string $tokenId, string $password) {
 		if (!($token instanceof PublicKeyToken)) {
 			throw new InvalidTokenException('Invalid token type');
@@ -355,6 +368,7 @@ class PublicKeyTokenProvider implements IProvider {
 		return $this->hasher->hash(sha1($password) . $password);
 	}
 
+	#[\Override]
 	public function rotate(OCPIToken $token, string $oldTokenId, string $newTokenId): OCPIToken {
 		if (!($token instanceof PublicKeyToken)) {
 			throw new InvalidTokenException('Invalid token type');
@@ -484,6 +498,7 @@ class PublicKeyTokenProvider implements IProvider {
 		return $dbToken;
 	}
 
+	#[\Override]
 	public function markPasswordInvalid(OCPIToken $token, string $tokenId) {
 		if (!($token instanceof PublicKeyToken)) {
 			throw new InvalidTokenException('Invalid token type');
@@ -494,6 +509,7 @@ class PublicKeyTokenProvider implements IProvider {
 		$this->cacheToken($token);
 	}
 
+	#[\Override]
 	public function updatePasswords(string $uid, string $password) {
 		// prevent setting an empty pw as result of pw-less-login
 		if ($password === '' || !$this->config->getSystemValueBool('auth.storeCryptedPassword', true)) {
diff --git a/lib/private/Authentication/Token/TokenCleanupJob.php b/lib/private/Authentication/Token/TokenCleanupJob.php
index 5834d40cb52..76998eea4c1 100644
--- a/lib/private/Authentication/Token/TokenCleanupJob.php
+++ b/lib/private/Authentication/Token/TokenCleanupJob.php
@@ -22,6 +22,7 @@ class TokenCleanupJob extends TimedJob {
 		$this->setTimeSensitivity(self::TIME_INSENSITIVE);
 	}
 
+	#[\Override]
 	protected function run($argument) {
 		$this->provider->invalidateOldTokens();
 	}
diff --git a/lib/private/Authentication/TwoFactorAuth/EnforcementState.php b/lib/private/Authentication/TwoFactorAuth/EnforcementState.php
index 05014e09128..f7b4e85e3ab 100644
--- a/lib/private/Authentication/TwoFactorAuth/EnforcementState.php
+++ b/lib/private/Authentication/TwoFactorAuth/EnforcementState.php
@@ -46,6 +46,7 @@ class EnforcementState implements JsonSerializable {
 		return $this->excludedGroups;
 	}
 
+	#[\Override]
 	public function jsonSerialize(): array {
 		return [
 			'enforced' => $this->enforced,
diff --git a/lib/private/Authentication/TwoFactorAuth/Registry.php b/lib/private/Authentication/TwoFactorAuth/Registry.php
index 6534daa41ca..1224a6caaf0 100644
--- a/lib/private/Authentication/TwoFactorAuth/Registry.php
+++ b/lib/private/Authentication/TwoFactorAuth/Registry.php
@@ -26,10 +26,12 @@ class Registry implements IRegistry {
 	) {
 	}
 
+	#[\Override]
 	public function getProviderStates(IUser $user): array {
 		return $this->assignmentDao->getState($user->getUID());
 	}
 
+	#[\Override]
 	public function enableProviderFor(IProvider $provider, IUser $user) {
 		$this->assignmentDao->persist($provider->getId(), $user->getUID(), 1);
 
@@ -38,6 +40,7 @@ class Registry implements IRegistry {
 		$this->dispatcher->dispatchTyped(new TwoFactorProviderForUserRegistered($user, $provider));
 	}
 
+	#[\Override]
 	public function disableProviderFor(IProvider $provider, IUser $user) {
 		$this->assignmentDao->persist($provider->getId(), $user->getUID(), 0);
 
@@ -54,6 +57,7 @@ class Registry implements IRegistry {
 		}
 	}
 
+	#[\Override]
 	public function cleanUp(string $providerId) {
 		$this->assignmentDao->deleteAll($providerId);
 	}
diff --git a/lib/private/Authentication/WebAuthn/CredentialRepository.php b/lib/private/Authentication/WebAuthn/CredentialRepository.php
index e6503d1c38a..bf24d2b0b77 100644
--- a/lib/private/Authentication/WebAuthn/CredentialRepository.php
+++ b/lib/private/Authentication/WebAuthn/CredentialRepository.php
@@ -21,6 +21,7 @@ class CredentialRepository implements PublicKeyCredentialSourceRepository {
 	) {
 	}
 
+	#[\Override]
 	public function findOneByCredentialId(string $publicKeyCredentialId): ?PublicKeyCredentialSource {
 		try {
 			$entity = $this->credentialMapper->findOneByCredentialId($publicKeyCredentialId);
@@ -33,6 +34,7 @@ class CredentialRepository implements PublicKeyCredentialSourceRepository {
 	/**
 	 * @return PublicKeyCredentialSource[]
 	 */
+	#[\Override]
 	public function findAllForUserEntity(PublicKeyCredentialUserEntity $publicKeyCredentialUserEntity): array {
 		$uid = $publicKeyCredentialUserEntity->getId();
 		$entities = $this->credentialMapper->findAllForUid($uid);
@@ -73,6 +75,7 @@ class CredentialRepository implements PublicKeyCredentialSourceRepository {
 		return $this->credentialMapper->insertOrUpdate($entity);
 	}
 
+	#[\Override]
 	public function saveCredentialSource(PublicKeyCredentialSource $publicKeyCredentialSource, ?string $name = null): void {
 		$this->saveAndReturnCredentialSource($publicKeyCredentialSource, $name);
 	}
diff --git a/lib/private/Authentication/WebAuthn/Db/PublicKeyCredentialEntity.php b/lib/private/Authentication/WebAuthn/Db/PublicKeyCredentialEntity.php
index 6c4bc3ca81b..abc9a74f5c8 100644
--- a/lib/private/Authentication/WebAuthn/Db/PublicKeyCredentialEntity.php
+++ b/lib/private/Authentication/WebAuthn/Db/PublicKeyCredentialEntity.php
@@ -73,6 +73,7 @@ class PublicKeyCredentialEntity extends Entity implements JsonSerializable {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function jsonSerialize(): array {
 		return [
 			'id' => $this->getId(),
diff --git a/lib/private/Avatar/Avatar.php b/lib/private/Avatar/Avatar.php
index 987298e0483..b92a7aafacd 100644
--- a/lib/private/Avatar/Avatar.php
+++ b/lib/private/Avatar/Avatar.php
@@ -64,6 +64,7 @@ abstract class Avatar implements IAvatar {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function get(int $size = 64, bool $darkTheme = false) {
 		try {
 			$file = $this->getFile($size, $darkTheme);
@@ -254,6 +255,7 @@ abstract class Avatar implements IAvatar {
 	/**
 	 * @return Color Object containing r g b int in the range [0, 255]
 	 */
+	#[\Override]
 	public function avatarBackgroundColor(string $hash): Color {
 		// Normalize hash
 		$hash = strtolower($hash);
diff --git a/lib/private/Avatar/AvatarManager.php b/lib/private/Avatar/AvatarManager.php
index c68467085f0..d4ea69a9584 100644
--- a/lib/private/Avatar/AvatarManager.php
+++ b/lib/private/Avatar/AvatarManager.php
@@ -50,6 +50,7 @@ class AvatarManager implements IAvatarManager {
 	 * @throws \Exception In case the username is potentially dangerous
 	 * @throws NotFoundException In case there is no user folder yet
 	 */
+	#[\Override]
 	public function getAvatar(string $userId): IAvatar {
 		$user = $this->userManager->get($userId);
 		if ($user === null) {
@@ -128,6 +129,7 @@ class AvatarManager implements IAvatarManager {
 	 *
 	 * @param string $name The guest name, e.g. "Albert".
 	 */
+	#[\Override]
 	public function getGuestAvatar(string $name): IAvatar {
 		return new GuestAvatar($name, $this->config, $this->logger);
 	}
diff --git a/lib/private/Avatar/GuestAvatar.php b/lib/private/Avatar/GuestAvatar.php
index 6d2e2df19fc..11e9a47223f 100644
--- a/lib/private/Avatar/GuestAvatar.php
+++ b/lib/private/Avatar/GuestAvatar.php
@@ -35,6 +35,7 @@ class GuestAvatar extends Avatar {
 	/**
 	 * Tests if the user has an avatar.
 	 */
+	#[\Override]
 	public function exists(): bool {
 		// Guests always have an avatar.
 		return true;
@@ -43,6 +44,7 @@ class GuestAvatar extends Avatar {
 	/**
 	 * Returns the guest user display name.
 	 */
+	#[\Override]
 	public function getDisplayName(): string {
 		return $this->userDisplayName;
 	}
@@ -52,6 +54,7 @@ class GuestAvatar extends Avatar {
 	 *
 	 * @param IImage|resource|string $data
 	 */
+	#[\Override]
 	public function set($data): void {
 		// unimplemented for guest user avatars
 	}
@@ -59,6 +62,7 @@ class GuestAvatar extends Avatar {
 	/**
 	 * Removing avatars isn't implemented for guests.
 	 */
+	#[\Override]
 	public function remove(bool $silent = false): void {
 		// unimplemented for guest user avatars
 	}
@@ -66,6 +70,7 @@ class GuestAvatar extends Avatar {
 	/**
 	 * Generates an avatar for the guest.
 	 */
+	#[\Override]
 	public function getFile(int $size, bool $darkTheme = false): ISimpleFile {
 		$avatar = $this->generateAvatar($this->userDisplayName, $size, $darkTheme);
 		return new InMemoryFile('avatar.png', $avatar);
@@ -78,6 +83,7 @@ class GuestAvatar extends Avatar {
 	 * @param mixed $oldValue The previous value
 	 * @param mixed $newValue The new value
 	 */
+	#[\Override]
 	public function userChanged(string $feature, $oldValue, $newValue): void {
 		if ($feature === 'displayName') {
 			$this->userDisplayName = $newValue;
@@ -87,6 +93,7 @@ class GuestAvatar extends Avatar {
 	/**
 	 * Guests don't have custom avatars.
 	 */
+	#[\Override]
 	public function isCustomAvatar(): bool {
 		return false;
 	}
@@ -96,6 +103,7 @@ class GuestAvatar extends Avatar {
 	 * Different color than for authorized user with the same name
 	 * to make it harder to impersonate people.
 	 */
+	#[\Override]
 	public function avatarBackgroundColor(string $hash): Color {
 		return parent::avatarBackgroundColor($hash . ' (guest)');
 	}
diff --git a/lib/private/Avatar/PlaceholderAvatar.php b/lib/private/Avatar/PlaceholderAvatar.php
index 8edf4d39a68..7e3c35cbddf 100644
--- a/lib/private/Avatar/PlaceholderAvatar.php
+++ b/lib/private/Avatar/PlaceholderAvatar.php
@@ -38,6 +38,7 @@ class PlaceholderAvatar extends Avatar {
 	/**
 	 * Check if an avatar exists for the user
 	 */
+	#[\Override]
 	public function exists(): bool {
 		return true;
 	}
@@ -50,6 +51,7 @@ class PlaceholderAvatar extends Avatar {
 	 * @throws \Exception if the provided image is not valid
 	 * @throws NotSquareException if the image is not square
 	 */
+	#[\Override]
 	public function set($data): void {
 		// unimplemented for placeholder avatars
 	}
@@ -57,6 +59,7 @@ class PlaceholderAvatar extends Avatar {
 	/**
 	 * Removes the users avatar.
 	 */
+	#[\Override]
 	public function remove(bool $silent = false): void {
 		$avatars = $this->folder->getDirectoryListing();
 
@@ -74,6 +77,7 @@ class PlaceholderAvatar extends Avatar {
 	 * @throws NotPermittedException
 	 * @throws PreConditionNotMetException
 	 */
+	#[\Override]
 	public function getFile(int $size, bool $darkTheme = false): ISimpleFile {
 		$ext = 'png';
 
@@ -110,6 +114,7 @@ class PlaceholderAvatar extends Avatar {
 	/**
 	 * Returns the user display name.
 	 */
+	#[\Override]
 	public function getDisplayName(): string {
 		return $this->user->getDisplayName();
 	}
@@ -123,6 +128,7 @@ class PlaceholderAvatar extends Avatar {
 	 * @throws NotPermittedException
 	 * @throws PreConditionNotMetException
 	 */
+	#[\Override]
 	public function userChanged(string $feature, $oldValue, $newValue): void {
 		$this->remove();
 	}
@@ -130,6 +136,7 @@ class PlaceholderAvatar extends Avatar {
 	/**
 	 * Check if the avatar of a user is a custom uploaded one
 	 */
+	#[\Override]
 	public function isCustomAvatar(): bool {
 		return false;
 	}
diff --git a/lib/private/Avatar/UserAvatar.php b/lib/private/Avatar/UserAvatar.php
index 86fd1cf1220..f2dd98bcced 100644
--- a/lib/private/Avatar/UserAvatar.php
+++ b/lib/private/Avatar/UserAvatar.php
@@ -38,6 +38,7 @@ class UserAvatar extends Avatar {
 	/**
 	 * Check if an avatar exists for the user
 	 */
+	#[\Override]
 	public function exists(): bool {
 		return $this->folder->fileExists('avatar.jpg') || $this->folder->fileExists('avatar.png');
 	}
@@ -50,6 +51,7 @@ class UserAvatar extends Avatar {
 	 * @throws \Exception if the provided image is not valid
 	 * @throws NotSquareException if the image is not square
 	 */
+	#[\Override]
 	public function set($data): void {
 		$img = $this->getAvatarImage($data);
 		$data = $img->data();
@@ -150,6 +152,7 @@ class UserAvatar extends Avatar {
 	 * @throws NotPermittedException
 	 * @throws PreConditionNotMetException
 	 */
+	#[\Override]
 	public function remove(bool $silent = false): void {
 		$avatars = $this->folder->getDirectoryListing();
 
@@ -197,6 +200,7 @@ class UserAvatar extends Avatar {
 	 * @throws NotPermittedException
 	 * @throws PreConditionNotMetException
 	 */
+	#[\Override]
 	public function getFile(int $size, bool $darkTheme = false): ISimpleFile {
 		$generated = $this->folder->fileExists('generated');
 
@@ -269,6 +273,7 @@ class UserAvatar extends Avatar {
 	/**
 	 * Returns the user display name.
 	 */
+	#[\Override]
 	public function getDisplayName(): string {
 		return $this->user->getDisplayName();
 	}
@@ -282,6 +287,7 @@ class UserAvatar extends Avatar {
 	 * @throws NotPermittedException
 	 * @throws PreConditionNotMetException
 	 */
+	#[\Override]
 	public function userChanged(string $feature, $oldValue, $newValue): void {
 		// If the avatar is not generated (so an uploaded image) we skip this
 		if (!$this->folder->fileExists('generated')) {
@@ -294,6 +300,7 @@ class UserAvatar extends Avatar {
 	/**
 	 * Check if the avatar of a user is a custom uploaded one
 	 */
+	#[\Override]
 	public function isCustomAvatar(): bool {
 		return $this->config->getUserValue($this->user->getUID(), 'avatar', 'generated', 'false') !== 'true';
 	}
diff --git a/lib/private/BackgroundJob/JobList.php b/lib/private/BackgroundJob/JobList.php
index b62bec1ae5f..242b78ade85 100644
--- a/lib/private/BackgroundJob/JobList.php
+++ b/lib/private/BackgroundJob/JobList.php
@@ -77,6 +77,7 @@ class JobList implements IJobList {
 		$query->executeStatement();
 	}
 
+	#[\Override]
 	public function scheduleAfter(string $job, int $runAfter, mixed $argument = null): void {
 		$this->add($job, $argument, $runAfter);
 	}
@@ -346,6 +347,7 @@ class JobList implements IJobList {
 	/**
 	 * set the job that was last ran
 	 */
+	#[\Override]
 	public function setLastJob(IJob $job): void {
 		$this->unlockJob($job);
 		$this->config->setAppValue('backgroundjob', 'lastjob', $job->getId());
diff --git a/lib/private/BinaryFinder.php b/lib/private/BinaryFinder.php
index 221d05f5c27..d0598206fa3 100644
--- a/lib/private/BinaryFinder.php
+++ b/lib/private/BinaryFinder.php
@@ -42,6 +42,7 @@ class BinaryFinder implements IBinaryFinder {
 	 *
 	 * @return false|string
 	 */
+	#[\Override]
 	public function findBinaryPath(string $program) {
 		$result = $this->cache->get($program);
 		if ($result !== null) {
diff --git a/lib/private/Blurhash/Listener/GenerateBlurhashMetadata.php b/lib/private/Blurhash/Listener/GenerateBlurhashMetadata.php
index 8faf4627251..aa950874534 100644
--- a/lib/private/Blurhash/Listener/GenerateBlurhashMetadata.php
+++ b/lib/private/Blurhash/Listener/GenerateBlurhashMetadata.php
@@ -41,6 +41,7 @@ class GenerateBlurhashMetadata implements IEventListener {
 	 * @throws GenericFileException
 	 * @throws LockedException
 	 */
+	#[\Override]
 	public function handle(Event $event): void {
 		if (!($event instanceof MetadataLiveEvent)
 			&& !($event instanceof MetadataBackgroundEvent)) {
diff --git a/lib/private/Broadcast/Events/BroadcastEvent.php b/lib/private/Broadcast/Events/BroadcastEvent.php
index c0227a75c6a..6d834e0b58d 100644
--- a/lib/private/Broadcast/Events/BroadcastEvent.php
+++ b/lib/private/Broadcast/Events/BroadcastEvent.php
@@ -20,18 +20,22 @@ class BroadcastEvent extends Event implements IBroadcastEvent {
 		parent::__construct();
 	}
 
+	#[\Override]
 	public function getName(): string {
 		return $this->event->broadcastAs();
 	}
 
+	#[\Override]
 	public function getUids(): array {
 		return $this->event->getUids();
 	}
 
+	#[\Override]
 	public function getPayload(): JsonSerializable {
 		return $this->event;
 	}
 
+	#[\Override]
 	public function setBroadcasted(): void {
 		$this->event->setBroadcasted();
 	}
diff --git a/lib/private/Cache/File.php b/lib/private/Cache/File.php
index d9a3e5e8b63..0d312bd9797 100644
--- a/lib/private/Cache/File.php
+++ b/lib/private/Cache/File.php
@@ -56,6 +56,7 @@ class File implements ICache {
 	 * @return mixed|null
 	 * @throws ForbiddenException
 	 */
+	#[\Override]
 	public function get($key) {
 		$result = null;
 		if ($this->hasKey($key)) {
@@ -87,6 +88,7 @@ class File implements ICache {
 	 * @return bool|mixed
 	 * @throws ForbiddenException
 	 */
+	#[\Override]
 	public function set($key, $value, $ttl = 0) {
 		$storage = $this->getStorage();
 		$result = false;
@@ -114,6 +116,7 @@ class File implements ICache {
 	 * @return bool
 	 * @throws ForbiddenException
 	 */
+	#[\Override]
 	public function hasKey($key) {
 		$storage = $this->getStorage();
 		if ($storage && $storage->is_file($key) && $storage->isReadable($key)) {
@@ -127,6 +130,7 @@ class File implements ICache {
 	 * @return bool|mixed
 	 * @throws ForbiddenException
 	 */
+	#[\Override]
 	public function remove($key) {
 		$storage = $this->getStorage();
 		if (!$storage) {
@@ -140,6 +144,7 @@ class File implements ICache {
 	 * @return bool
 	 * @throws ForbiddenException
 	 */
+	#[\Override]
 	public function clear($prefix = '') {
 		$storage = $this->getStorage();
 		if ($storage && $storage->is_dir('/')) {
@@ -189,6 +194,7 @@ class File implements ICache {
 		}
 	}
 
+	#[\Override]
 	public static function isAvailable(): bool {
 		return true;
 	}
diff --git a/lib/private/Calendar/AvailabilityResult.php b/lib/private/Calendar/AvailabilityResult.php
index 8031758f64e..0ee0ce10166 100644
--- a/lib/private/Calendar/AvailabilityResult.php
+++ b/lib/private/Calendar/AvailabilityResult.php
@@ -18,10 +18,12 @@ class AvailabilityResult implements IAvailabilityResult {
 	) {
 	}
 
+	#[\Override]
 	public function getAttendeeEmail(): string {
 		return $this->attendee;
 	}
 
+	#[\Override]
 	public function isAvailable(): bool {
 		return $this->available;
 	}
diff --git a/lib/private/Calendar/CalendarEventBuilder.php b/lib/private/Calendar/CalendarEventBuilder.php
index 1aa11c2436d..818a034911b 100644
--- a/lib/private/Calendar/CalendarEventBuilder.php
+++ b/lib/private/Calendar/CalendarEventBuilder.php
@@ -34,46 +34,55 @@ class CalendarEventBuilder implements ICalendarEventBuilder {
 	) {
 	}
 
+	#[\Override]
 	public function setStartDate(DateTimeInterface $start): ICalendarEventBuilder {
 		$this->startDate = $start;
 		return $this;
 	}
 
+	#[\Override]
 	public function setEndDate(DateTimeInterface $end): ICalendarEventBuilder {
 		$this->endDate = $end;
 		return $this;
 	}
 
+	#[\Override]
 	public function setSummary(string $summary): ICalendarEventBuilder {
 		$this->summary = $summary;
 		return $this;
 	}
 
+	#[\Override]
 	public function setDescription(string $description): ICalendarEventBuilder {
 		$this->description = $description;
 		return $this;
 	}
 
+	#[\Override]
 	public function setLocation(string $location): ICalendarEventBuilder {
 		$this->location = $location;
 		return $this;
 	}
 
+	#[\Override]
 	public function setStatus(CalendarEventStatus $status): static {
 		$this->status = $status;
 		return $this;
 	}
 
+	#[\Override]
 	public function setOrganizer(string $email, ?string $commonName = null): ICalendarEventBuilder {
 		$this->organizer = [$email, $commonName];
 		return $this;
 	}
 
+	#[\Override]
 	public function addAttendee(string $email, ?string $commonName = null): ICalendarEventBuilder {
 		$this->attendees[] = [$email, $commonName];
 		return $this;
 	}
 
+	#[\Override]
 	public function toIcs(): string {
 		if ($this->startDate === null) {
 			throw new InvalidArgumentException('Event is missing a start date');
@@ -117,6 +126,7 @@ class CalendarEventBuilder implements ICalendarEventBuilder {
 		return $vcalendar->serialize();
 	}
 
+	#[\Override]
 	public function createInCalendar(ICreateFromString $calendar): string {
 		$fileName = $this->uid . '.ics';
 		$calendar->createFromString($fileName, $this->toIcs());
diff --git a/lib/private/Calendar/CalendarQuery.php b/lib/private/Calendar/CalendarQuery.php
index 4eb4a4cd636..f45a0ba30d7 100644
--- a/lib/private/Calendar/CalendarQuery.php
+++ b/lib/private/Calendar/CalendarQuery.php
@@ -39,6 +39,7 @@ class CalendarQuery implements ICalendarQuery {
 		$this->principalUri = $principalUri;
 	}
 
+	#[\Override]
 	public function setSearchPattern(string $pattern): void {
 		$this->searchPattern = $pattern;
 	}
@@ -47,6 +48,7 @@ class CalendarQuery implements ICalendarQuery {
 		return $this->searchPattern;
 	}
 
+	#[\Override]
 	public function addSearchProperty(string $value): void {
 		$this->searchProperties[] = $value;
 	}
@@ -55,6 +57,7 @@ class CalendarQuery implements ICalendarQuery {
 		return $this->searchProperties;
 	}
 
+	#[\Override]
 	public function addSearchCalendar(string $calendarUri): void {
 		$this->calendarUris[] = $calendarUri;
 	}
@@ -70,6 +73,7 @@ class CalendarQuery implements ICalendarQuery {
 		return $this->limit;
 	}
 
+	#[\Override]
 	public function setLimit(int $limit): void {
 		$this->limit = $limit;
 	}
@@ -78,18 +82,22 @@ class CalendarQuery implements ICalendarQuery {
 		return $this->offset;
 	}
 
+	#[\Override]
 	public function setOffset(int $offset): void {
 		$this->offset = $offset;
 	}
 
+	#[\Override]
 	public function addType(string $value): void {
 		$this->options['types'][] = $value;
 	}
 
+	#[\Override]
 	public function setTimerangeStart(\DateTimeImmutable $startTime): void {
 		$this->options['timerange']['start'] = $startTime;
 	}
 
+	#[\Override]
 	public function setTimerangeEnd(\DateTimeImmutable $endTime): void {
 		$this->options['timerange']['end'] = $endTime;
 	}
diff --git a/lib/private/Calendar/Manager.php b/lib/private/Calendar/Manager.php
index 0c1c9a0d725..1ef694ac6c2 100644
--- a/lib/private/Calendar/Manager.php
+++ b/lib/private/Calendar/Manager.php
@@ -76,6 +76,7 @@ class Manager implements IManager {
 	 * @return array an array of events/journals/todos which are arrays of arrays of key-value-pairs
 	 * @since 13.0.0
 	 */
+	#[\Override]
 	public function search(
 		$pattern,
 		array $searchProperties = [],
@@ -102,6 +103,7 @@ class Manager implements IManager {
 	 * @return bool true if enabled, false if not
 	 * @since 13.0.0
 	 */
+	#[\Override]
 	public function isEnabled(): bool {
 		return !empty($this->calendars) || !empty($this->calendarLoaders);
 	}
@@ -111,6 +113,7 @@ class Manager implements IManager {
 	 *
 	 * @since 13.0.0
 	 */
+	#[\Override]
 	public function registerCalendar(ICalendar $calendar): void {
 		$this->calendars[$calendar->getKey()] = $calendar;
 	}
@@ -120,6 +123,7 @@ class Manager implements IManager {
 	 *
 	 * @since 13.0.0
 	 */
+	#[\Override]
 	public function unregisterCalendar(ICalendar $calendar): void {
 		unset($this->calendars[$calendar->getKey()]);
 	}
@@ -130,6 +134,7 @@ class Manager implements IManager {
 	 *
 	 * @since 13.0.0
 	 */
+	#[\Override]
 	public function register(\Closure $callable): void {
 		$this->calendarLoaders[] = $callable;
 	}
@@ -139,6 +144,7 @@ class Manager implements IManager {
 	 *
 	 * @since 13.0.0
 	 */
+	#[\Override]
 	public function getCalendars(): array {
 		$this->loadCalendars();
 
@@ -150,6 +156,7 @@ class Manager implements IManager {
 	 *
 	 * @since 13.0.0
 	 */
+	#[\Override]
 	public function clear(): void {
 		$this->calendars = [];
 		$this->calendarLoaders = [];
@@ -168,6 +175,7 @@ class Manager implements IManager {
 	/**
 	 * @return ICreateFromString[]
 	 */
+	#[\Override]
 	public function getCalendarsForPrincipal(string $principalUri, array $calendarUris = []): array {
 		$context = $this->coordinator->getRegistrationContext();
 		if ($context === null) {
@@ -191,6 +199,7 @@ class Manager implements IManager {
 		);
 	}
 
+	#[\Override]
 	public function searchForPrincipal(ICalendarQuery $query): array {
 		/** @var CalendarQuery $query */
 		$calendars = $this->getCalendarsForPrincipal(
@@ -217,6 +226,7 @@ class Manager implements IManager {
 		return $results;
 	}
 
+	#[\Override]
 	public function newQuery(string $principalUri): ICalendarQuery {
 		return new CalendarQuery($principalUri);
 	}
@@ -226,6 +236,7 @@ class Manager implements IManager {
 	 *
 	 * @throws \OCP\DB\Exception
 	 */
+	#[\Override]
 	public function handleIMip(
 		string $userId,
 		string $message,
@@ -351,6 +362,7 @@ class Manager implements IManager {
 	 *
 	 * @throws \OCP\DB\Exception
 	 */
+	#[\Override]
 	public function handleIMipRequest(
 		string $principalUri,
 		string $sender,
@@ -371,6 +383,7 @@ class Manager implements IManager {
 	 *
 	 * @throws \OCP\DB\Exception
 	 */
+	#[\Override]
 	public function handleIMipReply(
 		string $principalUri,
 		string $sender,
@@ -391,6 +404,7 @@ class Manager implements IManager {
 	 *
 	 * @throws \OCP\DB\Exception
 	 */
+	#[\Override]
 	public function handleIMipCancel(
 		string $principalUri,
 		string $sender,
@@ -407,11 +421,13 @@ class Manager implements IManager {
 		return $this->handleIMip($userId, $calendarData, $options);
 	}
 
+	#[\Override]
 	public function createEventBuilder(): ICalendarEventBuilder {
 		$uid = $this->random->generate(32, ISecureRandom::CHAR_ALPHANUMERIC);
 		return new CalendarEventBuilder($uid, $this->timeFactory);
 	}
 
+	#[\Override]
 	public function checkAvailability(
 		DateTimeInterface $start,
 		DateTimeInterface $end,
diff --git a/lib/private/Calendar/Resource/Manager.php b/lib/private/Calendar/Resource/Manager.php
index 221b77d4704..4c5154ddbb9 100644
--- a/lib/private/Calendar/Resource/Manager.php
+++ b/lib/private/Calendar/Resource/Manager.php
@@ -39,6 +39,7 @@ class Manager implements IManager {
 	 *
 	 * @since 14.0.0
 	 */
+	#[\Override]
 	public function registerBackend(string $backendClass): void {
 		$this->backends[$backendClass] = $backendClass;
 	}
@@ -48,6 +49,7 @@ class Manager implements IManager {
 	 *
 	 * @since 14.0.0
 	 */
+	#[\Override]
 	public function unregisterBackend(string $backendClass): void {
 		unset($this->backends[$backendClass], $this->initializedBackends[$backendClass]);
 	}
@@ -73,6 +75,7 @@ class Manager implements IManager {
 	 * @throws QueryException
 	 * @since 14.0.0
 	 */
+	#[\Override]
 	public function getBackends():array {
 		$this->fetchBootstrapBackends();
 
@@ -91,6 +94,7 @@ class Manager implements IManager {
 	 * @param string $backendId
 	 * @throws QueryException
 	 */
+	#[\Override]
 	public function getBackend($backendId): ?IBackend {
 		$backends = $this->getBackends();
 		foreach ($backends as $backend) {
@@ -107,11 +111,13 @@ class Manager implements IManager {
 	 *
 	 * @since 14.0.0
 	 */
+	#[\Override]
 	public function clear(): void {
 		$this->backends = [];
 		$this->initializedBackends = [];
 	}
 
+	#[\Override]
 	public function update(): void {
 		$this->updater->updateResources();
 	}
diff --git a/lib/private/Calendar/Room/Manager.php b/lib/private/Calendar/Room/Manager.php
index 8097fecb2ac..b19727054e3 100644
--- a/lib/private/Calendar/Room/Manager.php
+++ b/lib/private/Calendar/Room/Manager.php
@@ -39,6 +39,7 @@ class Manager implements IManager {
 	 *
 	 * @since 14.0.0
 	 */
+	#[\Override]
 	public function registerBackend(string $backendClass): void {
 		$this->backends[$backendClass] = $backendClass;
 	}
@@ -49,6 +50,7 @@ class Manager implements IManager {
 	 * @param string $backendClass
 	 * @since 14.0.0
 	 */
+	#[\Override]
 	public function unregisterBackend(string $backendClass): void {
 		unset($this->backends[$backendClass], $this->initializedBackends[$backendClass]);
 	}
@@ -74,6 +76,7 @@ class Manager implements IManager {
 	 * @throws QueryException
 	 * @since 14.0.0
 	 */
+	#[\Override]
 	public function getBackends():array {
 		$this->fetchBootstrapBackends();
 
@@ -98,6 +101,7 @@ class Manager implements IManager {
 	 * @param string $backendId
 	 * @throws QueryException
 	 */
+	#[\Override]
 	public function getBackend($backendId): ?IBackend {
 		$backends = $this->getBackends();
 		foreach ($backends as $backend) {
@@ -114,11 +118,13 @@ class Manager implements IManager {
 	 *
 	 * @since 14.0.0
 	 */
+	#[\Override]
 	public function clear(): void {
 		$this->backends = [];
 		$this->initializedBackends = [];
 	}
 
+	#[\Override]
 	public function update(): void {
 		$this->updater->updateRooms();
 	}
diff --git a/lib/private/Collaboration/AutoComplete/Manager.php b/lib/private/Collaboration/AutoComplete/Manager.php
index cc5df78beea..d94e4c431bc 100644
--- a/lib/private/Collaboration/AutoComplete/Manager.php
+++ b/lib/private/Collaboration/AutoComplete/Manager.php
@@ -25,6 +25,7 @@ class Manager implements IManager {
 	) {
 	}
 
+	#[\Override]
 	public function runSorters(array $sorters, array &$sortArray, array $context): void {
 		$sorterInstances = $this->getSorters();
 		while ($sorter = array_shift($sorters)) {
@@ -38,6 +39,7 @@ class Manager implements IManager {
 		}
 	}
 
+	#[\Override]
 	public function registerSorter($className): void {
 		$this->sorters[] = $className;
 	}
diff --git a/lib/private/Collaboration/Collaborators/GroupPlugin.php b/lib/private/Collaboration/Collaborators/GroupPlugin.php
index a59d5981825..36143b7479f 100644
--- a/lib/private/Collaboration/Collaborators/GroupPlugin.php
+++ b/lib/private/Collaboration/Collaborators/GroupPlugin.php
@@ -40,6 +40,7 @@ class GroupPlugin implements ISearchPlugin {
 		}
 	}
 
+	#[\Override]
 	public function search($search, $limit, $offset, ISearchResult $searchResult): bool {
 		if ($this->groupSharingDisabled) {
 			return false;
diff --git a/lib/private/Collaboration/Collaborators/LookupPlugin.php b/lib/private/Collaboration/Collaborators/LookupPlugin.php
index b65431fe347..de1bfa9edb9 100644
--- a/lib/private/Collaboration/Collaborators/LookupPlugin.php
+++ b/lib/private/Collaboration/Collaborators/LookupPlugin.php
@@ -33,6 +33,7 @@ class LookupPlugin implements ISearchPlugin {
 		$this->currentUserRemote = $cloudIdManager->resolveCloudId($currentUserCloudId)->getRemote();
 	}
 
+	#[\Override]
 	public function search($search, $limit, $offset, ISearchResult $searchResult): bool {
 		$isGlobalScaleEnabled = $this->config->getSystemValueBool('gs.enabled', false);
 		$isLookupServerEnabled = $this->config->getAppValue('files_sharing', 'lookupServerEnabled', 'no') === 'yes';
diff --git a/lib/private/Collaboration/Collaborators/MailPlugin.php b/lib/private/Collaboration/Collaborators/MailPlugin.php
index 84ff487203f..3149a4d14f9 100644
--- a/lib/private/Collaboration/Collaborators/MailPlugin.php
+++ b/lib/private/Collaboration/Collaborators/MailPlugin.php
@@ -59,6 +59,7 @@ class MailPlugin implements ISearchPlugin {
 	/**
 	 * {@inheritdoc}
 	 */
+	#[\Override]
 	public function search($search, $limit, $offset, ISearchResult $searchResult): bool {
 		if ($this->shareeEnumerationFullMatch && !$this->shareeEnumerationFullMatchEmail) {
 			return false;
diff --git a/lib/private/Collaboration/Collaborators/RemoteGroupPlugin.php b/lib/private/Collaboration/Collaborators/RemoteGroupPlugin.php
index f4c1793ea0a..68d0a462f00 100644
--- a/lib/private/Collaboration/Collaborators/RemoteGroupPlugin.php
+++ b/lib/private/Collaboration/Collaborators/RemoteGroupPlugin.php
@@ -32,6 +32,7 @@ class RemoteGroupPlugin implements ISearchPlugin {
 		}
 	}
 
+	#[\Override]
 	public function search($search, $limit, $offset, ISearchResult $searchResult): bool {
 		$result = ['wide' => [], 'exact' => []];
 		$resultType = new SearchResultType('remote_groups');
diff --git a/lib/private/Collaboration/Collaborators/RemotePlugin.php b/lib/private/Collaboration/Collaborators/RemotePlugin.php
index e52683cfd5a..5dd17c9527b 100644
--- a/lib/private/Collaboration/Collaborators/RemotePlugin.php
+++ b/lib/private/Collaboration/Collaborators/RemotePlugin.php
@@ -37,6 +37,7 @@ class RemotePlugin implements ISearchPlugin {
 	}
 
 
+	#[\Override]
 	public function search($search, $limit, $offset, ISearchResult $searchResult): bool {
 		$result = ['wide' => [], 'exact' => []];
 		$resultType = new SearchResultType('remotes');
diff --git a/lib/private/Collaboration/Collaborators/Search.php b/lib/private/Collaboration/Collaborators/Search.php
index 4fbfb787996..4eb3b275c67 100644
--- a/lib/private/Collaboration/Collaborators/Search.php
+++ b/lib/private/Collaboration/Collaborators/Search.php
@@ -29,6 +29,7 @@ class Search implements ISearch {
 	 * @param int|null $offset
 	 * @throws QueryException
 	 */
+	#[\Override]
 	public function search($search, array $shareTypes, $lookup, $limit, $offset): array {
 		$hasMoreResults = false;
 
@@ -81,6 +82,7 @@ class Search implements ISearch {
 		return [$searchResult->asArray(), $hasMoreResults];
 	}
 
+	#[\Override]
 	public function registerPlugin(array $pluginInfo): void {
 		$shareType = constant(IShare::class . '::' . substr($pluginInfo['shareType'], strlen('SHARE_')));
 		if ($shareType === null) {
diff --git a/lib/private/Collaboration/Collaborators/SearchResult.php b/lib/private/Collaboration/Collaborators/SearchResult.php
index c9c2f032f36..0b887aac545 100644
--- a/lib/private/Collaboration/Collaborators/SearchResult.php
+++ b/lib/private/Collaboration/Collaborators/SearchResult.php
@@ -16,6 +16,7 @@ class SearchResult implements ISearchResult {
 
 	protected array $exactIdMatches = [];
 
+	#[\Override]
 	public function addResultSet(SearchResultType $type, array $matches, ?array $exactMatches = null): void {
 		$type = $type->getLabel();
 		if (!isset($this->result[$type])) {
@@ -29,14 +30,17 @@ class SearchResult implements ISearchResult {
 		}
 	}
 
+	#[\Override]
 	public function markExactIdMatch(SearchResultType $type): void {
 		$this->exactIdMatches[$type->getLabel()] = 1;
 	}
 
+	#[\Override]
 	public function hasExactIdMatch(SearchResultType $type): bool {
 		return isset($this->exactIdMatches[$type->getLabel()]);
 	}
 
+	#[\Override]
 	public function hasResult(SearchResultType $type, $collaboratorId): bool {
 		$type = $type->getLabel();
 		if (!isset($this->result[$type])) {
@@ -55,10 +59,12 @@ class SearchResult implements ISearchResult {
 		return false;
 	}
 
+	#[\Override]
 	public function asArray(): array {
 		return $this->result;
 	}
 
+	#[\Override]
 	public function unsetResult(SearchResultType $type): void {
 		$type = $type->getLabel();
 		$this->result[$type] = [];
@@ -67,6 +73,7 @@ class SearchResult implements ISearchResult {
 		}
 	}
 
+	#[\Override]
 	public function removeCollaboratorResult(SearchResultType $type, string $collaboratorId): bool {
 		$type = $type->getLabel();
 		if (!isset($this->result[$type])) {
diff --git a/lib/private/Collaboration/Collaborators/UserPlugin.php b/lib/private/Collaboration/Collaborators/UserPlugin.php
index c21c5d03d8c..9ccdfc6b67a 100644
--- a/lib/private/Collaboration/Collaborators/UserPlugin.php
+++ b/lib/private/Collaboration/Collaborators/UserPlugin.php
@@ -34,6 +34,7 @@ readonly class UserPlugin implements ISearchPlugin {
 	) {
 	}
 
+	#[\Override]
 	public function search($search, $limit, $offset, ISearchResult $searchResult): bool {
 		/** @var IUser $currentUser */
 		$currentUser = $this->userSession->getUser();
diff --git a/lib/private/Collaboration/Reference/File/FileReferenceEventListener.php b/lib/private/Collaboration/Reference/File/FileReferenceEventListener.php
index 0b2385a0555..18f6894673c 100644
--- a/lib/private/Collaboration/Reference/File/FileReferenceEventListener.php
+++ b/lib/private/Collaboration/Reference/File/FileReferenceEventListener.php
@@ -37,6 +37,7 @@ class FileReferenceEventListener implements IEventListener {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function handle(Event $event): void {
 		if ($event instanceof NodeDeletedEvent) {
 			try {
diff --git a/lib/private/Collaboration/Reference/File/FileReferenceProvider.php b/lib/private/Collaboration/Reference/File/FileReferenceProvider.php
index 3cb174d9607..acfa0c7d138 100644
--- a/lib/private/Collaboration/Reference/File/FileReferenceProvider.php
+++ b/lib/private/Collaboration/Reference/File/FileReferenceProvider.php
@@ -39,6 +39,7 @@ class FileReferenceProvider extends ADiscoverableReferenceProvider {
 		$this->l10n = $l10n->get('files');
 	}
 
+	#[\Override]
 	public function matchReference(string $referenceText): bool {
 		return $this->getFilesAppLinkId($referenceText) !== null;
 	}
@@ -74,6 +75,7 @@ class FileReferenceProvider extends ADiscoverableReferenceProvider {
 		return $fileId !== null ? (int)$fileId : null;
 	}
 
+	#[\Override]
 	public function resolveReference(string $referenceText): ?IReference {
 		if ($this->matchReference($referenceText)) {
 			$reference = new Reference($referenceText);
@@ -135,26 +137,32 @@ class FileReferenceProvider extends ADiscoverableReferenceProvider {
 		}
 	}
 
+	#[\Override]
 	public function getCachePrefix(string $referenceId): string {
 		return (string)$this->getFilesAppLinkId($referenceId);
 	}
 
+	#[\Override]
 	public function getCacheKey(string $referenceId): ?string {
 		return $this->userId ?? '';
 	}
 
+	#[\Override]
 	public function getId(): string {
 		return 'files';
 	}
 
+	#[\Override]
 	public function getTitle(): string {
 		return $this->l10n->t('Files');
 	}
 
+	#[\Override]
 	public function getOrder(): int {
 		return 0;
 	}
 
+	#[\Override]
 	public function getIconUrl(): string {
 		return $this->urlGenerator->imagePath('files', 'folder.svg');
 	}
diff --git a/lib/private/Collaboration/Reference/ReferenceManager.php b/lib/private/Collaboration/Reference/ReferenceManager.php
index 9287b66b2a2..693d84fc99c 100644
--- a/lib/private/Collaboration/Reference/ReferenceManager.php
+++ b/lib/private/Collaboration/Reference/ReferenceManager.php
@@ -49,6 +49,7 @@ class ReferenceManager implements IReferenceManager {
 	 *
 	 * @return string[]
 	 */
+	#[\Override]
 	public function extractReferences(string $text): array {
 		preg_match_all(IURLGenerator::URL_REGEX, $text, $matches);
 		$references = $matches[0] ?? [];
@@ -60,6 +61,7 @@ class ReferenceManager implements IReferenceManager {
 	/**
 	 * Try to get a cached reference object from a reference string
 	 */
+	#[\Override]
 	public function getReferenceFromCache(string $referenceId, bool $public = false, string $sharingToken = ''): ?IReference {
 		$matchedProvider = $this->getMatchedProvider($referenceId, $public);
 
@@ -74,6 +76,7 @@ class ReferenceManager implements IReferenceManager {
 	/**
 	 * Try to get a cached reference object from a full cache key
 	 */
+	#[\Override]
 	public function getReferenceByCacheKey(string $cacheKey): ?IReference {
 		$cached = $this->cache->get($cacheKey);
 		if ($cached) {
@@ -87,6 +90,7 @@ class ReferenceManager implements IReferenceManager {
 	 * Get a reference object from a reference string with a matching provider
 	 * Use a cached reference if possible
 	 */
+	#[\Override]
 	public function resolveReference(string $referenceId, bool $public = false, $sharingToken = ''): ?IReference {
 		$matchedProvider = $this->getMatchedProvider($referenceId, $public);
 
@@ -162,6 +166,7 @@ class ReferenceManager implements IReferenceManager {
 	/**
 	 * Remove a specific cache entry from its key+prefix
 	 */
+	#[\Override]
 	public function invalidateCache(string $cachePrefix, ?string $cacheKey = null): void {
 		if ($cacheKey === null) {
 			// clear might be a heavy operation, so we only do it if there have actually been keys set
@@ -208,6 +213,7 @@ class ReferenceManager implements IReferenceManager {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function getDiscoverableProviders(): array {
 		// preserve 0 based index to avoid returning an object in data responses
 		return array_values(
@@ -220,6 +226,7 @@ class ReferenceManager implements IReferenceManager {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function touchProvider(string $userId, string $providerId, ?int $timestamp = null): bool {
 		$providers = $this->getDiscoverableProviders();
 		$matchingProviders = array_filter($providers, static function (IDiscoverableReferenceProvider $provider) use ($providerId) {
@@ -240,6 +247,7 @@ class ReferenceManager implements IReferenceManager {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function getUserProviderTimestamps(): array {
 		$user = $this->userSession->getUser();
 		if ($user === null) {
diff --git a/lib/private/Collaboration/Reference/RenderReferenceEventListener.php b/lib/private/Collaboration/Reference/RenderReferenceEventListener.php
index 9e6192314cb..db26df60005 100644
--- a/lib/private/Collaboration/Reference/RenderReferenceEventListener.php
+++ b/lib/private/Collaboration/Reference/RenderReferenceEventListener.php
@@ -31,6 +31,7 @@ class RenderReferenceEventListener implements IEventListener {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function handle(Event $event): void {
 		if (!($event instanceof RenderReferenceEvent)) {
 			return;
diff --git a/lib/private/Collaboration/Resources/Collection.php b/lib/private/Collaboration/Resources/Collection.php
index 9bee7ea8dc8..59d52b94344 100644
--- a/lib/private/Collaboration/Resources/Collection.php
+++ b/lib/private/Collaboration/Resources/Collection.php
@@ -35,6 +35,7 @@ class Collection implements ICollection {
 	/**
 	 * @since 16.0.0
 	 */
+	#[\Override]
 	public function getId(): int {
 		return $this->id;
 	}
@@ -42,6 +43,7 @@ class Collection implements ICollection {
 	/**
 	 * @since 16.0.0
 	 */
+	#[\Override]
 	public function getName(): string {
 		return $this->name;
 	}
@@ -49,6 +51,7 @@ class Collection implements ICollection {
 	/**
 	 * @since 16.0.0
 	 */
+	#[\Override]
 	public function setName(string $name): void {
 		$query = $this->connection->getQueryBuilder();
 		$query->update(Manager::TABLE_COLLECTIONS)
@@ -63,6 +66,7 @@ class Collection implements ICollection {
 	 * @return IResource[]
 	 * @since 16.0.0
 	 */
+	#[\Override]
 	public function getResources(): array {
 		if (empty($this->resources)) {
 			$this->resources = $this->manager->getResourcesByCollectionForUser($this, $this->userForAccess);
@@ -77,6 +81,7 @@ class Collection implements ICollection {
 	 * @throws ResourceException when the resource is already part of the collection
 	 * @since 16.0.0
 	 */
+	#[\Override]
 	public function addResource(IResource $resource): void {
 		array_map(function (IResource $r) use ($resource): void {
 			if ($this->isSameResource($r, $resource)) {
@@ -108,6 +113,7 @@ class Collection implements ICollection {
 	 *
 	 * @since 16.0.0
 	 */
+	#[\Override]
 	public function removeResource(IResource $resource): void {
 		$this->resources = array_filter($this->getResources(), function (IResource $r) use ($resource) {
 			return !$this->isSameResource($r, $resource);
@@ -132,6 +138,7 @@ class Collection implements ICollection {
 	 *
 	 * @since 16.0.0
 	 */
+	#[\Override]
 	public function canAccess(?IUser $user): bool {
 		if ($user instanceof IUser) {
 			return $this->canUserAccess($user);
diff --git a/lib/private/Collaboration/Resources/Manager.php b/lib/private/Collaboration/Resources/Manager.php
index 7cf039c2174..3e6e7e5d5bc 100644
--- a/lib/private/Collaboration/Resources/Manager.php
+++ b/lib/private/Collaboration/Resources/Manager.php
@@ -40,6 +40,7 @@ class Manager implements IManager {
 	 * @throws CollectionException when the collection could not be found
 	 * @since 16.0.0
 	 */
+	#[\Override]
 	public function getCollection(int $id): ICollection {
 		$query = $this->connection->getQueryBuilder();
 		$query->select('*')
@@ -60,6 +61,7 @@ class Manager implements IManager {
 	 * @throws CollectionException when the collection could not be found
 	 * @since 16.0.0
 	 */
+	#[\Override]
 	public function getCollectionForUser(int $id, ?IUser $user): ICollection {
 		$query = $this->connection->getQueryBuilder();
 		$userId = $user instanceof IUser ? $user->getUID() : '';
@@ -140,6 +142,7 @@ class Manager implements IManager {
 	/**
 	 * @since 16.0.0
 	 */
+	#[\Override]
 	public function newCollection(string $name): ICollection {
 		$query = $this->connection->getQueryBuilder();
 		$query->insert(self::TABLE_COLLECTIONS)
@@ -154,6 +157,7 @@ class Manager implements IManager {
 	/**
 	 * @since 16.0.0
 	 */
+	#[\Override]
 	public function createResource(string $type, string $id): IResource {
 		return new Resource($this, $this->connection, $type, $id);
 	}
@@ -162,6 +166,7 @@ class Manager implements IManager {
 	 * @throws ResourceException
 	 * @since 16.0.0
 	 */
+	#[\Override]
 	public function getResourceForUser(string $type, string $id, ?IUser $user): IResource {
 		$query = $this->connection->getQueryBuilder();
 		$userId = $user instanceof IUser ? $user->getUID() : '';
@@ -230,6 +235,7 @@ class Manager implements IManager {
 	 *
 	 * @since 16.0.0
 	 */
+	#[\Override]
 	public function getResourceRichObject(IResource $resource): array {
 		foreach ($this->providerManager->getResourceProviders() as $provider) {
 			if ($provider->getType() === $resource->getType()) {
@@ -248,6 +254,7 @@ class Manager implements IManager {
 	 *
 	 * @since 16.0.0
 	 */
+	#[\Override]
 	public function canAccessResource(IResource $resource, ?IUser $user): bool {
 		$access = $this->checkAccessCacheForUserByResource($resource, $user);
 		if (\is_bool($access)) {
@@ -276,6 +283,7 @@ class Manager implements IManager {
 	 *
 	 * @since 16.0.0
 	 */
+	#[\Override]
 	public function canAccessCollection(ICollection $collection, ?IUser $user): bool {
 		$access = $this->checkAccessCacheForUserByCollection($collection, $user);
 		if (\is_bool($access)) {
@@ -377,6 +385,7 @@ class Manager implements IManager {
 		}
 	}
 
+	#[\Override]
 	public function invalidateAccessCacheForUser(?IUser $user): void {
 		$query = $this->connection->getQueryBuilder();
 		$userId = $user instanceof IUser ? $user->getUID() : '';
@@ -386,6 +395,7 @@ class Manager implements IManager {
 		$query->executeStatement();
 	}
 
+	#[\Override]
 	public function invalidateAccessCacheForResource(IResource $resource): void {
 		$query = $this->connection->getQueryBuilder();
 
@@ -415,6 +425,7 @@ class Manager implements IManager {
 		$query->executeStatement();
 	}
 
+	#[\Override]
 	public function invalidateAccessCacheForProvider(IProvider $provider): void {
 		$query = $this->connection->getQueryBuilder();
 
@@ -423,6 +434,7 @@ class Manager implements IManager {
 		$query->executeStatement();
 	}
 
+	#[\Override]
 	public function invalidateAccessCacheForResourceByUser(IResource $resource, ?IUser $user): void {
 		$query = $this->connection->getQueryBuilder();
 		$userId = $user instanceof IUser ? $user->getUID() : '';
@@ -447,6 +459,7 @@ class Manager implements IManager {
 		$query->executeStatement();
 	}
 
+	#[\Override]
 	public function invalidateAccessCacheForProviderByUser(IProvider $provider, ?IUser $user): void {
 		$query = $this->connection->getQueryBuilder();
 		$userId = $user instanceof IUser ? $user->getUID() : '';
@@ -462,6 +475,7 @@ class Manager implements IManager {
 	 *
 	 * @since 16.0.0
 	 */
+	#[\Override]
 	public function getType(): string {
 		return '';
 	}
diff --git a/lib/private/Collaboration/Resources/ProviderManager.php b/lib/private/Collaboration/Resources/ProviderManager.php
index 0ce4ae7155a..72155cf7fa4 100644
--- a/lib/private/Collaboration/Resources/ProviderManager.php
+++ b/lib/private/Collaboration/Resources/ProviderManager.php
@@ -27,6 +27,7 @@ class ProviderManager implements IProviderManager {
 	) {
 	}
 
+	#[\Override]
 	public function getResourceProviders(): array {
 		if ($this->providers !== []) {
 			foreach ($this->providers as $provider) {
@@ -44,6 +45,7 @@ class ProviderManager implements IProviderManager {
 		return $this->providerInstances;
 	}
 
+	#[\Override]
 	public function registerResourceProvider(string $provider): void {
 		$this->providers[] = $provider;
 	}
diff --git a/lib/private/Collaboration/Resources/Resource.php b/lib/private/Collaboration/Resources/Resource.php
index 05eaeb8f6aa..2af252da598 100644
--- a/lib/private/Collaboration/Resources/Resource.php
+++ b/lib/private/Collaboration/Resources/Resource.php
@@ -30,6 +30,7 @@ class Resource implements IResource {
 	/**
 	 * @since 16.0.0
 	 */
+	#[\Override]
 	public function getType(): string {
 		return $this->type;
 	}
@@ -37,6 +38,7 @@ class Resource implements IResource {
 	/**
 	 * @since 16.0.0
 	 */
+	#[\Override]
 	public function getId(): string {
 		return $this->id;
 	}
@@ -44,6 +46,7 @@ class Resource implements IResource {
 	/**
 	 * @since 16.0.0
 	 */
+	#[\Override]
 	public function getRichObject(): array {
 		if ($this->data === null) {
 			$this->data = $this->manager->getResourceRichObject($this);
@@ -57,6 +60,7 @@ class Resource implements IResource {
 	 *
 	 * @since 16.0.0
 	 */
+	#[\Override]
 	public function canAccess(?IUser $user): bool {
 		if ($user instanceof IUser) {
 			return $this->canUserAccess($user);
@@ -92,6 +96,7 @@ class Resource implements IResource {
 	 * @return ICollection[]
 	 * @since 16.0.0
 	 */
+	#[\Override]
 	public function getCollections(): array {
 		$collections = [];
 
diff --git a/lib/private/Command/AsyncBus.php b/lib/private/Command/AsyncBus.php
index 54dc6d94e5a..0215b131238 100644
--- a/lib/private/Command/AsyncBus.php
+++ b/lib/private/Command/AsyncBus.php
@@ -26,6 +26,7 @@ abstract class AsyncBus implements IBus {
 	/**
 	 * Schedule a command to be fired
 	 */
+	#[\Override]
 	public function push(ICommand $command): void {
 		if ($this->canRunAsync($command)) {
 			$this->queueCommand($command);
@@ -44,6 +45,7 @@ abstract class AsyncBus implements IBus {
 	 *
 	 * @param string $trait
 	 */
+	#[\Override]
 	public function requireSync(string $trait): void {
 		$this->syncTraits[] = trim($trait, '\\');
 	}
diff --git a/lib/private/Command/CommandJob.php b/lib/private/Command/CommandJob.php
index ac73987e59c..b00e6159f91 100644
--- a/lib/private/Command/CommandJob.php
+++ b/lib/private/Command/CommandJob.php
@@ -18,6 +18,7 @@ use Test\Command\StateFullCommand;
  * Wrap a command in the background job interface
  */
 class CommandJob extends QueuedJob {
+	#[\Override]
 	protected function run($argument) {
 		$command = unserialize($argument, ['allowed_classes' => [
 			SimpleCommand::class,
diff --git a/lib/private/Command/CronBus.php b/lib/private/Command/CronBus.php
index 1fa8cd45e7a..0b059e2e5af 100644
--- a/lib/private/Command/CronBus.php
+++ b/lib/private/Command/CronBus.php
@@ -17,6 +17,7 @@ class CronBus extends AsyncBus {
 	) {
 	}
 
+	#[\Override]
 	protected function queueCommand(ICommand $command): void {
 		$this->jobList->add(CommandJob::class, serialize($command));
 	}
diff --git a/lib/private/Command/QueueBus.php b/lib/private/Command/QueueBus.php
index 6a355c8ca6b..9c3c2467959 100644
--- a/lib/private/Command/QueueBus.php
+++ b/lib/private/Command/QueueBus.php
@@ -25,6 +25,7 @@ class QueueBus implements IBus {
 	/**
 	 * Schedule a command to be fired
 	 */
+	#[\Override]
 	public function push(ICommand $command): void {
 		$this->queue[] = $command;
 	}
@@ -32,6 +33,7 @@ class QueueBus implements IBus {
 	/**
 	 * Require all commands using a trait to be run synchronous
 	 */
+	#[\Override]
 	public function requireSync(string $trait): void {
 	}
 
diff --git a/lib/private/Comments/Comment.php b/lib/private/Comments/Comment.php
index 7d2d861e8b4..2736d14ccaf 100644
--- a/lib/private/Comments/Comment.php
+++ b/lib/private/Comments/Comment.php
@@ -52,6 +52,7 @@ class Comment implements IComment {
 	 *
 	 * @since 9.0.0
 	 */
+	#[\Override]
 	public function getId(): string {
 		return $this->data['id'];
 	}
@@ -69,6 +70,7 @@ class Comment implements IComment {
 	 * @throws IllegalIDChangeException
 	 * @since 9.0.0
 	 */
+	#[\Override]
 	public function setId($id): IComment {
 		if (!is_string($id)) {
 			throw new \InvalidArgumentException('String expected.');
@@ -88,6 +90,7 @@ class Comment implements IComment {
 	 *
 	 * @since 9.0.0
 	 */
+	#[\Override]
 	public function getParentId(): string {
 		return $this->data['parentId'];
 	}
@@ -98,6 +101,7 @@ class Comment implements IComment {
 	 * @param string $parentId
 	 * @since 9.0.0
 	 */
+	#[\Override]
 	public function setParentId($parentId): IComment {
 		if (!is_string($parentId)) {
 			throw new \InvalidArgumentException('String expected.');
@@ -111,6 +115,7 @@ class Comment implements IComment {
 	 *
 	 * @since 9.0.0
 	 */
+	#[\Override]
 	public function getTopmostParentId(): string {
 		return $this->data['topmostParentId'];
 	}
@@ -122,6 +127,7 @@ class Comment implements IComment {
 	 * @param string $id
 	 * @since 9.0.0
 	 */
+	#[\Override]
 	public function setTopmostParentId($id): IComment {
 		if (!is_string($id)) {
 			throw new \InvalidArgumentException('String expected.');
@@ -135,6 +141,7 @@ class Comment implements IComment {
 	 *
 	 * @since 9.0.0
 	 */
+	#[\Override]
 	public function getChildrenCount(): int {
 		return $this->data['childrenCount'];
 	}
@@ -145,6 +152,7 @@ class Comment implements IComment {
 	 * @param int $count
 	 * @since 9.0.0
 	 */
+	#[\Override]
 	public function setChildrenCount($count): IComment {
 		if (!is_int($count)) {
 			throw new \InvalidArgumentException('Integer expected.');
@@ -157,6 +165,7 @@ class Comment implements IComment {
 	 * Returns the message of the comment
 	 * @since 9.0.0
 	 */
+	#[\Override]
 	public function getMessage(): string {
 		return $this->data['message'];
 	}
@@ -169,6 +178,7 @@ class Comment implements IComment {
 	 * @throws MessageTooLongException
 	 * @since 9.0.0
 	 */
+	#[\Override]
 	public function setMessage($message, $maxLength = self::MAX_MESSAGE_LENGTH): IComment {
 		if (!is_string($message)) {
 			throw new \InvalidArgumentException('String expected.');
@@ -194,6 +204,7 @@ class Comment implements IComment {
 	 * @since 17.0.0 Type 'guest' is supported
 	 * @since 11.0.0
 	 */
+	#[\Override]
 	public function getMentions(bool $supportMarkdown = true): array {
 		$message = $this->getMessage();
 		if ($supportMarkdown) {
@@ -254,6 +265,7 @@ class Comment implements IComment {
 	 *
 	 * @since 9.0.0
 	 */
+	#[\Override]
 	public function getVerb(): string {
 		return $this->data['verb'];
 	}
@@ -264,6 +276,7 @@ class Comment implements IComment {
 	 * @param string $verb
 	 * @since 9.0.0
 	 */
+	#[\Override]
 	public function setVerb($verb): IComment {
 		if (!is_string($verb) || !trim($verb)) {
 			throw new \InvalidArgumentException('Non-empty String expected.');
@@ -276,6 +289,7 @@ class Comment implements IComment {
 	 * Returns the actor type
 	 * @since 9.0.0
 	 */
+	#[\Override]
 	public function getActorType(): string {
 		return $this->data['actorType'];
 	}
@@ -284,6 +298,7 @@ class Comment implements IComment {
 	 * Returns the actor ID
 	 * @since 9.0.0
 	 */
+	#[\Override]
 	public function getActorId(): string {
 		return $this->data['actorId'];
 	}
@@ -295,6 +310,7 @@ class Comment implements IComment {
 	 * @param string $actorId e.g. 'zombie234'
 	 * @since 9.0.0
 	 */
+	#[\Override]
 	public function setActor($actorType, $actorId): IComment {
 		if (
 			!is_string($actorType) || !trim($actorType)
@@ -314,6 +330,7 @@ class Comment implements IComment {
 	 * @since 9.0.0
 	 * @throws \LogicException if creation date time is not set yet
 	 */
+	#[\Override]
 	public function getCreationDateTime(): \DateTime {
 		if (!isset($this->data['creationDT'])) {
 			throw new \LogicException('Cannot get creation date before setting one or writting to database');
@@ -325,6 +342,7 @@ class Comment implements IComment {
 	 * Sets the creation date of the comment and returns itself
 	 * @since 9.0.0
 	 */
+	#[\Override]
 	public function setCreationDateTime(\DateTime $dateTime): IComment {
 		$this->data['creationDT'] = $dateTime;
 		return $this;
@@ -334,6 +352,7 @@ class Comment implements IComment {
 	 * Returns the DateTime of the most recent child, if set, otherwise null
 	 * @since 9.0.0
 	 */
+	#[\Override]
 	public function getLatestChildDateTime(): ?\DateTime {
 		return $this->data['latestChildDT'];
 	}
@@ -341,6 +360,7 @@ class Comment implements IComment {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function setLatestChildDateTime(?\DateTime $dateTime = null): IComment {
 		$this->data['latestChildDT'] = $dateTime;
 		return $this;
@@ -350,6 +370,7 @@ class Comment implements IComment {
 	 * Returns the object type the comment is attached to
 	 * @since 9.0.0
 	 */
+	#[\Override]
 	public function getObjectType(): string {
 		return $this->data['objectType'];
 	}
@@ -358,6 +379,7 @@ class Comment implements IComment {
 	 * Returns the object id the comment is attached to
 	 * @since 9.0.0
 	 */
+	#[\Override]
 	public function getObjectId(): string {
 		return $this->data['objectId'];
 	}
@@ -369,6 +391,7 @@ class Comment implements IComment {
 	 * @param string $objectId e.g. '16435'
 	 * @since 9.0.0
 	 */
+	#[\Override]
 	public function setObject($objectType, $objectId): IComment {
 		if (
 			!is_string($objectType) || !trim($objectType)
@@ -385,6 +408,7 @@ class Comment implements IComment {
 	 * Returns the reference id of the comment
 	 * @since 19.0.0
 	 */
+	#[\Override]
 	public function getReferenceId(): ?string {
 		return $this->data['referenceId'];
 	}
@@ -395,6 +419,7 @@ class Comment implements IComment {
 	 * @param string $referenceId e.g. sha256 hash sum
 	 * @since 19.0.0
 	 */
+	#[\Override]
 	public function setReferenceId(?string $referenceId): IComment {
 		if ($referenceId === null) {
 			$this->data['referenceId'] = $referenceId;
@@ -411,6 +436,7 @@ class Comment implements IComment {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function getMetaData(): ?array {
 		if ($this->data['metaData'] === null) {
 			return null;
@@ -427,6 +453,7 @@ class Comment implements IComment {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function setMetaData(?array $metaData):  IComment {
 		if ($metaData === null) {
 			$this->data['metaData'] = null;
@@ -439,6 +466,7 @@ class Comment implements IComment {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function getReactions(): array {
 		return $this->data['reactions'] ?? [];
 	}
@@ -446,6 +474,7 @@ class Comment implements IComment {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function setReactions(?array $reactions): IComment {
 		$this->data['reactions'] = $reactions;
 		return $this;
@@ -454,6 +483,7 @@ class Comment implements IComment {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function setExpireDate(?\DateTime $dateTime): IComment {
 		$this->data['expire_date'] = $dateTime;
 		return $this;
@@ -462,6 +492,7 @@ class Comment implements IComment {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function getExpireDate(): ?\DateTime {
 		return $this->data['expire_date'];
 	}
diff --git a/lib/private/Comments/Manager.php b/lib/private/Comments/Manager.php
index 59f4c824882..b4922f967e5 100644
--- a/lib/private/Comments/Manager.php
+++ b/lib/private/Comments/Manager.php
@@ -239,6 +239,7 @@ class Manager implements ICommentsManager {
 	 * @throws \InvalidArgumentException
 	 * @since 9.0.0
 	 */
+	#[\Override]
 	public function get($id): IComment {
 		if ((int)$id === 0) {
 			throw new \InvalidArgumentException('IDs must be translatable to a number in this implementation.');
@@ -270,6 +271,7 @@ class Manager implements ICommentsManager {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function getTree($id, $limit = 0, $offset = 0): array {
 		$tree = [];
 		$tree['comment'] = $this->get($id);
@@ -318,6 +320,7 @@ class Manager implements ICommentsManager {
 	 * @return list<IComment>
 	 * @since 9.0.0
 	 */
+	#[\Override]
 	public function getForObject(
 		$objectType,
 		$objectId,
@@ -370,6 +373,7 @@ class Manager implements ICommentsManager {
 	 * @param string $topmostParentId Limit the comments to a list of replies and its original root comment
 	 * @return list<IComment>
 	 */
+	#[\Override]
 	public function getForObjectSince(
 		string $objectType,
 		string $objectId,
@@ -403,6 +407,7 @@ class Manager implements ICommentsManager {
 	 * @param string $topmostParentId Limit the comments to a list of replies and its original root comment
 	 * @return list<IComment>
 	 */
+	#[\Override]
 	public function getCommentsWithVerbForObjectSinceComment(
 		string $objectType,
 		string $objectId,
@@ -560,6 +565,7 @@ class Manager implements ICommentsManager {
 	 * @param int $limit
 	 * @return list<IComment>
 	 */
+	#[\Override]
 	public function search(string $search, string $objectType, string $objectId, string $verb, int $offset, int $limit = 50): array {
 		$objectIds = [];
 		if ($objectId) {
@@ -579,6 +585,7 @@ class Manager implements ICommentsManager {
 	 * @param int $limit
 	 * @return list<IComment>
 	 */
+	#[\Override]
 	public function searchForObjects(string $search, string $objectType, array $objectIds, string $verb, int $offset, int $limit = 50): array {
 		$query = $this->dbConn->getQueryBuilder();
 
@@ -628,11 +635,13 @@ class Manager implements ICommentsManager {
 	 * @return Int
 	 * @since 9.0.0
 	 */
+	#[\Override]
 	public function getNumberOfCommentsForObject($objectType, $objectId, ?\DateTime $notOlderThan = null, $verb = ''): int {
 		return $this->getNumberOfCommentsForObjects($objectType, [$objectId], $notOlderThan, $verb)[$objectId];
 	}
 
 	/** @inheritDoc */
+	#[\Override]
 	public function getNumberOfCommentsForObjects(string $objectType, array $objectIds, ?\DateTime $notOlderThan = null, string $verb = ''): array {
 		$qb = $this->dbConn->getQueryBuilder();
 		$query = $qb->select($qb->func()->count('id', 'num_comments'), 'object_id')
@@ -670,6 +679,7 @@ class Manager implements ICommentsManager {
 	 * @psalm-return array<string, int>
 	 * @since 21.0.0
 	 */
+	#[\Override]
 	public function getNumberOfUnreadCommentsForObjects(string $objectType, array $objectIds, IUser $user, $verb = ''): array {
 		$unreadComments = [];
 		$query = $this->dbConn->getQueryBuilder();
@@ -714,6 +724,7 @@ class Manager implements ICommentsManager {
 	 * @return int
 	 * @since 21.0.0
 	 */
+	#[\Override]
 	public function getNumberOfCommentsForObjectSinceComment(string $objectType, string $objectId, int $lastRead, string $verb = ''): int {
 		if ($verb !== '') {
 			return $this->getNumberOfCommentsWithVerbsForObjectSinceComment($objectType, $objectId, $lastRead, [$verb]);
@@ -730,6 +741,7 @@ class Manager implements ICommentsManager {
 	 * @return int
 	 * @since 24.0.0
 	 */
+	#[\Override]
 	public function getNumberOfCommentsWithVerbsForObjectSinceComment(string $objectType, string $objectId, int $lastRead, array $verbs): int {
 		$query = $this->dbConn->getQueryBuilder();
 		$query->select($query->func()->count('id', 'num_messages'))
@@ -757,6 +769,7 @@ class Manager implements ICommentsManager {
 	 * @return int
 	 * @since 21.0.0
 	 */
+	#[\Override]
 	public function getLastCommentBeforeDate(string $objectType, string $objectId, \DateTime $beforeDate, string $verb = ''): int {
 		$query = $this->dbConn->getQueryBuilder();
 		$query->select('id')
@@ -787,6 +800,7 @@ class Manager implements ICommentsManager {
 	 * @psalm-return array<string, \DateTime>
 	 * @since 21.0.0
 	 */
+	#[\Override]
 	public function getLastCommentDateByActor(
 		string $objectType,
 		string $objectId,
@@ -825,6 +839,7 @@ class Manager implements ICommentsManager {
 	 * @param IUser $user
 	 * @return array [$fileId => $unreadCount]
 	 */
+	#[\Override]
 	public function getNumberOfUnreadCommentsForFolder($folderId, IUser $user) {
 		$directory = $this->rootFolder->getFirstNodeById($folderId);
 		if (!$directory instanceof Folder) {
@@ -852,6 +867,7 @@ class Manager implements ICommentsManager {
 	 * @return IComment
 	 * @since 9.0.0
 	 */
+	#[\Override]
 	public function create($actorType, $actorId, $objectType, $objectId) {
 		$comment = new Comment();
 		$comment
@@ -871,6 +887,7 @@ class Manager implements ICommentsManager {
 	 * @throws \InvalidArgumentException
 	 * @since 9.0.0
 	 */
+	#[\Override]
 	public function delete($id) {
 		if (!is_string($id)) {
 			throw new \InvalidArgumentException('Parameter must be string');
@@ -936,6 +953,7 @@ class Manager implements ICommentsManager {
 	 * @throws PreConditionNotMetException
 	 * @since 24.0.0
 	 */
+	#[\Override]
 	public function getReactionComment(int $parentId, string $actorType, string $actorId, string $reaction): IComment {
 		$this->throwIfNotSupportReactions();
 		$qb = $this->dbConn->getQueryBuilder();
@@ -965,6 +983,7 @@ class Manager implements ICommentsManager {
 	 * @throws PreConditionNotMetException
 	 * @since 24.0.0
 	 */
+	#[\Override]
 	public function retrieveAllReactions(int $parentId): array {
 		$this->throwIfNotSupportReactions();
 		$qb = $this->dbConn->getQueryBuilder();
@@ -995,6 +1014,7 @@ class Manager implements ICommentsManager {
 	 * @throws PreConditionNotMetException
 	 * @since 24.0.0
 	 */
+	#[\Override]
 	public function retrieveAllReactionsWithSpecificReaction(int $parentId, string $reaction): array {
 		$this->throwIfNotSupportReactions();
 		$qb = $this->dbConn->getQueryBuilder();
@@ -1023,6 +1043,7 @@ class Manager implements ICommentsManager {
 	 * @return bool
 	 * @since 24.0.0
 	 */
+	#[\Override]
 	public function supportReactions(): bool {
 		return $this->emojiHelper->doesPlatformSupportEmoji();
 	}
@@ -1094,6 +1115,7 @@ class Manager implements ICommentsManager {
 	 * @throws PreConditionNotMetException
 	 * @since 9.0.0
 	 */
+	#[\Override]
 	public function save(IComment $comment) {
 		if ($comment->getVerb() === 'reaction') {
 			$this->throwIfNotSupportReactions();
@@ -1286,6 +1308,7 @@ class Manager implements ICommentsManager {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function deleteReferencesOfActor($actorType, $actorId): bool {
 		$this->checkRoleParameters('Actor', $actorType, $actorId);
 
@@ -1306,6 +1329,7 @@ class Manager implements ICommentsManager {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function deleteCommentsAtObject($objectType, $objectId): bool {
 		$this->checkRoleParameters('Object', $objectType, $objectId);
 
@@ -1329,6 +1353,7 @@ class Manager implements ICommentsManager {
 	 * @return bool
 	 * @since 9.0.0
 	 */
+	#[\Override]
 	public function deleteReadMarksFromUser(IUser $user) {
 		$qb = $this->dbConn->getQueryBuilder();
 		$query = $qb->delete('comments_read_markers')
@@ -1357,6 +1382,7 @@ class Manager implements ICommentsManager {
 	 * @param IUser $user
 	 * @since 9.0.0
 	 */
+	#[\Override]
 	public function setReadMark($objectType, $objectId, \DateTime $dateTime, IUser $user) {
 		$this->checkRoleParameters('Object', $objectType, $objectId);
 
@@ -1403,6 +1429,7 @@ class Manager implements ICommentsManager {
 	 * @return \DateTime|null
 	 * @since 9.0.0
 	 */
+	#[\Override]
 	public function getReadMark($objectType, $objectId, IUser $user) {
 		$qb = $this->dbConn->getQueryBuilder();
 		$resultStatement = $qb->select('marker_datetime')
@@ -1432,6 +1459,7 @@ class Manager implements ICommentsManager {
 	 * @return bool
 	 * @since 9.0.0
 	 */
+	#[\Override]
 	public function deleteReadMarksOnObject($objectType, $objectId) {
 		$this->checkRoleParameters('Object', $objectType, $objectId);
 
@@ -1460,6 +1488,7 @@ class Manager implements ICommentsManager {
 	 *
 	 * @param \Closure $closure
 	 */
+	#[\Override]
 	public function registerEventHandler(\Closure $closure) {
 		$this->eventHandlerClosures[] = $closure;
 		$this->eventHandlers = [];
@@ -1476,6 +1505,7 @@ class Manager implements ICommentsManager {
 	 * Only one resolver shall be registered per type. Otherwise a
 	 * \OutOfBoundsException has to thrown.
 	 */
+	#[\Override]
 	public function registerDisplayNameResolver($type, \Closure $closure) {
 		if (!is_string($type)) {
 			throw new \InvalidArgumentException('String expected.');
@@ -1499,6 +1529,7 @@ class Manager implements ICommentsManager {
 	 * be thrown. It is upon the resolver discretion what to return of the
 	 * provided ID is unknown. It must be ensured that a string is returned.
 	 */
+	#[\Override]
 	public function resolveDisplayName($type, $id) {
 		if (!is_string($type)) {
 			throw new \InvalidArgumentException('String expected.');
@@ -1547,6 +1578,7 @@ class Manager implements ICommentsManager {
 	 *
 	 * @since 21.0.0
 	 */
+	#[\Override]
 	public function load(): void {
 		$this->initialStateService->provideInitialState('comments', 'max-message-length', IComment::MAX_MESSAGE_LENGTH);
 		Util::addScript('comments', 'comments-app');
@@ -1555,6 +1587,7 @@ class Manager implements ICommentsManager {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function deleteCommentsExpiredAtObject(string $objectType, string $objectId = ''): bool {
 		$qb = $this->dbConn->getQueryBuilder();
 		$qb->delete('comments')
diff --git a/lib/private/Comments/ManagerFactory.php b/lib/private/Comments/ManagerFactory.php
index d377bf58696..2fd21598e91 100644
--- a/lib/private/Comments/ManagerFactory.php
+++ b/lib/private/Comments/ManagerFactory.php
@@ -33,6 +33,7 @@ class ManagerFactory implements ICommentsManagerFactory {
 	 * @return ICommentsManager
 	 * @since 9.0.0
 	 */
+	#[\Override]
 	public function getManager() {
 		return $this->serverContainer->get(Manager::class);
 	}
diff --git a/lib/private/Config/UserConfig.php b/lib/private/Config/UserConfig.php
index 1c6b819571e..12222b02ebd 100644
--- a/lib/private/Config/UserConfig.php
+++ b/lib/private/Config/UserConfig.php
@@ -90,6 +90,7 @@ class UserConfig implements IUserConfig {
 	 * @return list<string> list of userIds
 	 * @since 31.0.0
 	 */
+	#[\Override]
 	public function getUserIds(string $appId = ''): array {
 		$this->assertParams(app: $appId, allowEmptyUser: true, allowEmptyApp: true);
 
@@ -117,6 +118,7 @@ class UserConfig implements IUserConfig {
 	 * @return list<string> list of app ids
 	 * @since 31.0.0
 	 */
+	#[\Override]
 	public function getApps(string $userId): array {
 		$this->assertParams($userId, allowEmptyApp: true);
 		$this->loadConfigAll($userId);
@@ -135,6 +137,7 @@ class UserConfig implements IUserConfig {
 	 * @return list<string> list of stored config keys
 	 * @since 31.0.0
 	 */
+	#[\Override]
 	public function getKeys(string $userId, string $app): array {
 		$this->assertParams($userId, $app);
 		$this->loadConfigAll($userId);
@@ -156,6 +159,7 @@ class UserConfig implements IUserConfig {
 	 * @return bool TRUE if key exists
 	 * @since 31.0.0
 	 */
+	#[\Override]
 	public function hasKey(string $userId, string $app, string $key, ?bool $lazy = false): bool {
 		$this->assertParams($userId, $app, $key);
 		$this->loadConfig($userId, $lazy);
@@ -185,6 +189,7 @@ class UserConfig implements IUserConfig {
 	 * @throws UnknownKeyException if config key is not known
 	 * @since 31.0.0
 	 */
+	#[\Override]
 	public function isSensitive(string $userId, string $app, string $key, ?bool $lazy = false): bool {
 		$this->assertParams($userId, $app, $key);
 		$this->loadConfig($userId, $lazy);
@@ -209,6 +214,7 @@ class UserConfig implements IUserConfig {
 	 * @throws UnknownKeyException if config key is not known
 	 * @since 31.0.0
 	 */
+	#[\Override]
 	public function isIndexed(string $userId, string $app, string $key, ?bool $lazy = false): bool {
 		$this->assertParams($userId, $app, $key);
 		$this->loadConfig($userId, $lazy);
@@ -233,6 +239,7 @@ class UserConfig implements IUserConfig {
 	 * @see IUserConfig for details about lazy loading
 	 * @since 31.0.0
 	 */
+	#[\Override]
 	public function isLazy(string $userId, string $app, string $key): bool {
 		$this->matchAndApplyLexiconDefinition($userId, $app, $key);
 
@@ -262,6 +269,7 @@ class UserConfig implements IUserConfig {
 	 * @return array<string, string|int|float|bool|array> [key => value]
 	 * @since 31.0.0
 	 */
+	#[\Override]
 	public function getValues(
 		string $userId,
 		string $app,
@@ -292,6 +300,7 @@ class UserConfig implements IUserConfig {
 	 * @return array<string, array<string, string|int|float|bool|array>> [appId => [key => value]]
 	 * @since 31.0.0
 	 */
+	#[\Override]
 	public function getAllValues(string $userId, bool $filtered = false): array {
 		$this->assertParams($userId, allowEmptyApp: true);
 		$this->loadConfigAll($userId);
@@ -317,6 +326,7 @@ class UserConfig implements IUserConfig {
 	 * @return array<string, string|int|float|bool|array> [appId => value]
 	 * @since 31.0.0
 	 */
+	#[\Override]
 	public function getValuesByApps(string $userId, string $key, bool $lazy = false, ?ValueType $typedAs = null): array {
 		$this->assertParams($userId, '', $key, allowEmptyApp: true);
 		$this->loadConfig($userId, $lazy);
@@ -356,6 +366,7 @@ class UserConfig implements IUserConfig {
 	 * @return array<string, string|int|float|bool|array> [userId => value]
 	 * @since 31.0.0
 	 */
+	#[\Override]
 	public function getValuesByUsers(
 		string $app,
 		string $key,
@@ -416,6 +427,7 @@ class UserConfig implements IUserConfig {
 	 * @return Generator<string>
 	 * @since 31.0.0
 	 */
+	#[\Override]
 	public function searchUsersByValueString(string $app, string $key, string $value, bool $caseInsensitive = false): Generator {
 		return $this->searchUsersByTypedValue($app, $key, $value, $caseInsensitive);
 	}
@@ -430,6 +442,7 @@ class UserConfig implements IUserConfig {
 	 * @return Generator<string>
 	 * @since 31.0.0
 	 */
+	#[\Override]
 	public function searchUsersByValueInt(string $app, string $key, int $value): Generator {
 		return $this->searchUsersByValueString($app, $key, (string)$value);
 	}
@@ -444,6 +457,7 @@ class UserConfig implements IUserConfig {
 	 * @return Generator<string>
 	 * @since 31.0.0
 	 */
+	#[\Override]
 	public function searchUsersByValues(string $app, string $key, array $values): Generator {
 		return $this->searchUsersByTypedValue($app, $key, $values);
 	}
@@ -458,6 +472,7 @@ class UserConfig implements IUserConfig {
 	 * @return Generator<string>
 	 * @since 31.0.0
 	 */
+	#[\Override]
 	public function searchUsersByValueBool(string $app, string $key, bool $value): Generator {
 		$values = ['0', 'off', 'false', 'no'];
 		if ($value) {
@@ -604,6 +619,7 @@ class UserConfig implements IUserConfig {
 	 * @since 31.0.0
 	 * @see IUserConfig for explanation about lazy loading
 	 */
+	#[\Override]
 	public function getValueString(
 		string $userId,
 		string $app,
@@ -629,6 +645,7 @@ class UserConfig implements IUserConfig {
 	 * @since 31.0.0
 	 * @see IUserConfig for explanation about lazy loading
 	 */
+	#[\Override]
 	public function getValueInt(
 		string $userId,
 		string $app,
@@ -654,6 +671,7 @@ class UserConfig implements IUserConfig {
 	 * @since 31.0.0
 	 * @see IUserConfig for explanation about lazy loading
 	 */
+	#[\Override]
 	public function getValueFloat(
 		string $userId,
 		string $app,
@@ -679,6 +697,7 @@ class UserConfig implements IUserConfig {
 	 * @since 31.0.0
 	 * @see IUserConfig for explanation about lazy loading
 	 */
+	#[\Override]
 	public function getValueBool(
 		string $userId,
 		string $app,
@@ -705,6 +724,7 @@ class UserConfig implements IUserConfig {
 	 * @since 31.0.0
 	 * @see IUserConfig for explanation about lazy loading
 	 */
+	#[\Override]
 	public function getValueArray(
 		string $userId,
 		string $app,
@@ -809,6 +829,7 @@ class UserConfig implements IUserConfig {
 	 * @throws IncorrectTypeException if config value type is not known
 	 * @since 31.0.0
 	 */
+	#[\Override]
 	public function getValueType(string $userId, string $app, string $key, ?bool $lazy = null): ValueType {
 		$this->assertParams($userId, $app, $key);
 		$this->loadConfig($userId, $lazy);
@@ -834,6 +855,7 @@ class UserConfig implements IUserConfig {
 	 * @throws IncorrectTypeException if config value type is not known
 	 * @since 31.0.0
 	 */
+	#[\Override]
 	public function getValueFlags(string $userId, string $app, string $key, bool $lazy = false): int {
 		$this->assertParams($userId, $app, $key);
 		$this->loadConfig($userId, $lazy);
@@ -904,6 +926,7 @@ class UserConfig implements IUserConfig {
 	 * @since 31.0.0
 	 * @see IUserConfig for explanation about lazy loading
 	 */
+	#[\Override]
 	public function setValueString(
 		string $userId,
 		string $app,
@@ -938,6 +961,7 @@ class UserConfig implements IUserConfig {
 	 * @since 31.0.0
 	 * @see IUserConfig for explanation about lazy loading
 	 */
+	#[\Override]
 	public function setValueInt(
 		string $userId,
 		string $app,
@@ -976,6 +1000,7 @@ class UserConfig implements IUserConfig {
 	 * @since 31.0.0
 	 * @see IUserConfig for explanation about lazy loading
 	 */
+	#[\Override]
 	public function setValueFloat(
 		string $userId,
 		string $app,
@@ -1009,6 +1034,7 @@ class UserConfig implements IUserConfig {
 	 * @since 31.0.0
 	 * @see IUserConfig for explanation about lazy loading
 	 */
+	#[\Override]
 	public function setValueBool(
 		string $userId,
 		string $app,
@@ -1044,6 +1070,7 @@ class UserConfig implements IUserConfig {
 	 * @since 31.0.0
 	 * @see IUserConfig for explanation about lazy loading
 	 */
+	#[\Override]
 	public function setValueArray(
 		string $userId,
 		string $app,
@@ -1283,6 +1310,7 @@ class UserConfig implements IUserConfig {
 	 * @return bool TRUE if entry was found in database and an update was necessary
 	 * @since 31.0.0
 	 */
+	#[\Override]
 	public function updateSensitive(string $userId, string $app, string $key, bool $sensitive): bool {
 		$this->assertParams($userId, $app, $key);
 		$this->loadConfigAll($userId);
@@ -1340,6 +1368,7 @@ class UserConfig implements IUserConfig {
 	 *
 	 * @since 31.0.0
 	 */
+	#[\Override]
 	public function updateGlobalSensitive(string $app, string $key, bool $sensitive): void {
 		$this->assertParams('', $app, $key, allowEmptyUser: true);
 		$this->matchAndApplyLexiconDefinition('', $app, $key);
@@ -1370,6 +1399,7 @@ class UserConfig implements IUserConfig {
 	 * @throws UnknownKeyException
 	 * @since 31.0.0
 	 */
+	#[\Override]
 	public function updateIndexed(string $userId, string $app, string $key, bool $indexed): bool {
 		$this->assertParams($userId, $app, $key);
 		$this->loadConfigAll($userId);
@@ -1427,6 +1457,7 @@ class UserConfig implements IUserConfig {
 	 *
 	 * @since 31.0.0
 	 */
+	#[\Override]
 	public function updateGlobalIndexed(string $app, string $key, bool $indexed): void {
 		$this->assertParams('', $app, $key, allowEmptyUser: true);
 		$this->matchAndApplyLexiconDefinition('', $app, $key);
@@ -1473,6 +1504,7 @@ class UserConfig implements IUserConfig {
 	 * @return bool TRUE if entry was found in database and an update was necessary
 	 * @since 31.0.0
 	 */
+	#[\Override]
 	public function updateLazy(string $userId, string $app, string $key, bool $lazy): bool {
 		$this->assertParams($userId, $app, $key);
 		$this->loadConfigAll($userId);
@@ -1509,6 +1541,7 @@ class UserConfig implements IUserConfig {
 	 *
 	 * @since 31.0.0
 	 */
+	#[\Override]
 	public function updateGlobalLazy(string $app, string $key, bool $lazy): void {
 		$this->assertParams('', $app, $key, allowEmptyUser: true);
 		$this->matchAndApplyLexiconDefinition('', $app, $key);
@@ -1534,6 +1567,7 @@ class UserConfig implements IUserConfig {
 	 * @throws UnknownKeyException if config key is not known in database
 	 * @since 31.0.0
 	 */
+	#[\Override]
 	public function getDetails(string $userId, string $app, string $key): array {
 		$this->assertParams($userId, $app, $key);
 		$this->loadConfigAll($userId);
@@ -1584,6 +1618,7 @@ class UserConfig implements IUserConfig {
 	 *
 	 * @since 31.0.0
 	 */
+	#[\Override]
 	public function deleteUserConfig(string $userId, string $app, string $key): void {
 		$this->assertParams($userId, $app, $key);
 		$this->matchAndApplyLexiconDefinition($userId, $app, $key);
@@ -1608,6 +1643,7 @@ class UserConfig implements IUserConfig {
 	 *
 	 * @since 31.0.0
 	 */
+	#[\Override]
 	public function deleteKey(string $app, string $key): void {
 		$this->assertParams('', $app, $key, allowEmptyUser: true);
 		$this->matchAndApplyLexiconDefinition('', $app, $key);
@@ -1628,6 +1664,7 @@ class UserConfig implements IUserConfig {
 	 *
 	 * @since 31.0.0
 	 */
+	#[\Override]
 	public function deleteApp(string $app): void {
 		$this->assertParams('', $app, allowEmptyUser: true);
 
@@ -1639,6 +1676,7 @@ class UserConfig implements IUserConfig {
 		$this->clearCacheAll();
 	}
 
+	#[\Override]
 	public function deleteAllUserConfig(string $userId): void {
 		$this->assertParams($userId, '', allowEmptyApp: true);
 		$qb = $this->connection->getQueryBuilder();
@@ -1657,6 +1695,7 @@ class UserConfig implements IUserConfig {
 	 *
 	 * @since 31.0.0
 	 */
+	#[\Override]
 	public function clearCache(string $userId, bool $reload = false): void {
 		$this->assertParams($userId, allowEmptyApp: true);
 		$this->lazyLoaded[$userId] = $this->fastLoaded[$userId] = false;
@@ -1674,6 +1713,7 @@ class UserConfig implements IUserConfig {
 	 *
 	 * @since 31.0.0
 	 */
+	#[\Override]
 	public function clearCacheAll(): void {
 		$this->lazyLoaded = $this->fastLoaded = [];
 		$this->lazyCache = $this->fastCache = $this->valueDetails = $this->configLexiconDetails = [];
diff --git a/lib/private/Console/TimestampFormatter.php b/lib/private/Console/TimestampFormatter.php
index 2df34a84c87..44de18263e6 100644
--- a/lib/private/Console/TimestampFormatter.php
+++ b/lib/private/Console/TimestampFormatter.php
@@ -23,6 +23,7 @@ class TimestampFormatter implements OutputFormatterInterface {
 	 *
 	 * @param bool $decorated Whether to decorate the messages or not
 	 */
+	#[\Override]
 	public function setDecorated(bool $decorated): void {
 		$this->formatter->setDecorated($decorated);
 	}
@@ -32,6 +33,7 @@ class TimestampFormatter implements OutputFormatterInterface {
 	 *
 	 * @return bool true if the output will decorate messages, false otherwise
 	 */
+	#[\Override]
 	public function isDecorated(): bool {
 		return $this->formatter->isDecorated();
 	}
@@ -42,6 +44,7 @@ class TimestampFormatter implements OutputFormatterInterface {
 	 * @param string $name The style name
 	 * @param OutputFormatterStyleInterface $style The style instance
 	 */
+	#[\Override]
 	public function setStyle(string $name, OutputFormatterStyleInterface $style): void {
 		$this->formatter->setStyle($name, $style);
 	}
@@ -52,6 +55,7 @@ class TimestampFormatter implements OutputFormatterInterface {
 	 * @param string $name
 	 * @return bool
 	 */
+	#[\Override]
 	public function hasStyle(string $name): bool {
 		return $this->formatter->hasStyle($name);
 	}
@@ -63,6 +67,7 @@ class TimestampFormatter implements OutputFormatterInterface {
 	 * @return OutputFormatterStyleInterface
 	 * @throws \InvalidArgumentException When style isn't defined
 	 */
+	#[\Override]
 	public function getStyle(string $name): OutputFormatterStyleInterface {
 		return $this->formatter->getStyle($name);
 	}
@@ -74,6 +79,7 @@ class TimestampFormatter implements OutputFormatterInterface {
 	 * @return string|null The styled message, prepended with a timestamp using the
 	 *                     log timezone and dateformat, e.g. "2015-06-23T17:24:37+02:00"
 	 */
+	#[\Override]
 	public function format(?string $message): ?string {
 		if (!$this->formatter->isDecorated()) {
 			// Don't add anything to the output when we shouldn't
diff --git a/lib/private/Contacts/ContactsMenu/ActionFactory.php b/lib/private/Contacts/ContactsMenu/ActionFactory.php
index 40037598d49..ead893e5745 100644
--- a/lib/private/Contacts/ContactsMenu/ActionFactory.php
+++ b/lib/private/Contacts/ContactsMenu/ActionFactory.php
@@ -14,6 +14,7 @@ class ActionFactory implements IActionFactory {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function newLinkAction(string $icon, string $name, string $href, string $appId = ''): ILinkAction {
 		$action = new LinkAction();
 		$action->setName($name);
@@ -26,6 +27,7 @@ class ActionFactory implements IActionFactory {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function newEMailAction(string $icon, string $name, string $email, string $appId = ''): ILinkAction {
 		return $this->newLinkAction($icon, $name, 'mailto:' . $email, $appId);
 	}
diff --git a/lib/private/Contacts/ContactsMenu/Actions/LinkAction.php b/lib/private/Contacts/ContactsMenu/Actions/LinkAction.php
index 020d13996eb..bee6dce5677 100644
--- a/lib/private/Contacts/ContactsMenu/Actions/LinkAction.php
+++ b/lib/private/Contacts/ContactsMenu/Actions/LinkAction.php
@@ -20,30 +20,37 @@ class LinkAction implements ILinkAction {
 	/**
 	 * @param string $icon absolute URI to an icon
 	 */
+	#[\Override]
 	public function setIcon(string $icon): void {
 		$this->icon = $icon;
 	}
 
+	#[\Override]
 	public function setName(string $name): void {
 		$this->name = $name;
 	}
 
+	#[\Override]
 	public function getName(): string {
 		return $this->name;
 	}
 
+	#[\Override]
 	public function setPriority(int $priority): void {
 		$this->priority = $priority;
 	}
 
+	#[\Override]
 	public function getPriority(): int {
 		return $this->priority;
 	}
 
+	#[\Override]
 	public function setHref(string $href): void {
 		$this->href = $href;
 	}
 
+	#[\Override]
 	public function getHref(): string {
 		return $this->href;
 	}
@@ -51,6 +58,7 @@ class LinkAction implements ILinkAction {
 	/**
 	 * @since 23.0.0
 	 */
+	#[\Override]
 	public function setAppId(string $appId): void {
 		$this->appId = $appId;
 	}
@@ -58,6 +66,7 @@ class LinkAction implements ILinkAction {
 	/**
 	 * @since 23.0.0
 	 */
+	#[\Override]
 	public function getAppId(): string {
 		return $this->appId;
 	}
@@ -65,6 +74,7 @@ class LinkAction implements ILinkAction {
 	/**
 	 * @return array{title: string, icon: string, hyperlink: string, appId: string}
 	 */
+	#[\Override]
 	public function jsonSerialize(): array {
 		return [
 			'title' => $this->name,
diff --git a/lib/private/Contacts/ContactsMenu/ContactsStore.php b/lib/private/Contacts/ContactsMenu/ContactsStore.php
index deb03ce37f3..7d3e9b8e470 100644
--- a/lib/private/Contacts/ContactsMenu/ContactsStore.php
+++ b/lib/private/Contacts/ContactsMenu/ContactsStore.php
@@ -44,6 +44,7 @@ class ContactsStore implements IContactsStore {
 	/**
 	 * @return IEntry[]
 	 */
+	#[\Override]
 	public function getContacts(IUser $user, ?string $filter, ?int $limit = null, ?int $offset = null): array {
 		$options = [
 			'enumeration' => $this->config->getAppValue('core', 'shareapi_allow_share_dialog_user_enumeration', 'yes') === 'yes',
@@ -279,6 +280,7 @@ class ContactsStore implements IContactsStore {
 		}));
 	}
 
+	#[\Override]
 	public function findOne(IUser $user, int $shareType, string $shareWith): ?IEntry {
 		switch ($shareType) {
 			case 0:
diff --git a/lib/private/Contacts/ContactsMenu/Entry.php b/lib/private/Contacts/ContactsMenu/Entry.php
index d4f2dc7bf90..31d871210e4 100644
--- a/lib/private/Contacts/ContactsMenu/Entry.php
+++ b/lib/private/Contacts/ContactsMenu/Entry.php
@@ -48,6 +48,7 @@ class Entry implements IEntry {
 		$this->fullName = $displayName;
 	}
 
+	#[\Override]
 	public function getFullName(): string {
 		return $this->fullName;
 	}
@@ -59,6 +60,7 @@ class Entry implements IEntry {
 	/**
 	 * @return string[]
 	 */
+	#[\Override]
 	public function getEMailAddresses(): array {
 		return $this->emailAddresses;
 	}
@@ -67,6 +69,7 @@ class Entry implements IEntry {
 		$this->avatar = $avatar;
 	}
 
+	#[\Override]
 	public function getAvatar(): ?string {
 		return $this->avatar;
 	}
@@ -87,11 +90,13 @@ class Entry implements IEntry {
 		return $this->profileUrl;
 	}
 
+	#[\Override]
 	public function addAction(IAction $action): void {
 		$this->actions[] = $action;
 		$this->sortActions();
 	}
 
+	#[\Override]
 	public function setStatus(string $status,
 		?string $statusMessage = null,
 		?int $statusMessageTimestamp = null,
@@ -138,6 +143,7 @@ class Entry implements IEntry {
 		$this->properties = array_merge($this->properties, $properties);
 	}
 
+	#[\Override]
 	public function getProperty(string $key): mixed {
 		if (!isset($this->properties[$key])) {
 			return null;
@@ -148,6 +154,7 @@ class Entry implements IEntry {
 	/**
 	 * @return array{id: int|string|null, fullName: string, avatar: string|null, topAction: mixed, actions: array, lastMessage: '', emailAddresses: string[], profileTitle: string|null, profileUrl: string|null, status: string|null, statusMessage: null|string, statusMessageTimestamp: null|int, statusIcon: null|string, isUser: bool, uid: mixed}
 	 */
+	#[\Override]
 	public function jsonSerialize(): array {
 		$topAction = !empty($this->actions) ? $this->actions[0]->jsonSerialize() : null;
 		$otherActions = array_map(function (IAction $action) {
diff --git a/lib/private/Contacts/ContactsMenu/Providers/EMailProvider.php b/lib/private/Contacts/ContactsMenu/Providers/EMailProvider.php
index 266125f5ed5..75eeb0f5e34 100644
--- a/lib/private/Contacts/ContactsMenu/Providers/EMailProvider.php
+++ b/lib/private/Contacts/ContactsMenu/Providers/EMailProvider.php
@@ -18,6 +18,7 @@ class EMailProvider implements IProvider {
 	) {
 	}
 
+	#[\Override]
 	public function process(IEntry $entry): void {
 		$iconUrl = $this->urlGenerator->getAbsoluteURL($this->urlGenerator->imagePath('core', 'actions/mail.svg'));
 		foreach ($entry->getEMailAddresses() as $address) {
diff --git a/lib/private/Contacts/ContactsMenu/Providers/LocalTimeProvider.php b/lib/private/Contacts/ContactsMenu/Providers/LocalTimeProvider.php
index f62e989fd64..0f9fe198dac 100644
--- a/lib/private/Contacts/ContactsMenu/Providers/LocalTimeProvider.php
+++ b/lib/private/Contacts/ContactsMenu/Providers/LocalTimeProvider.php
@@ -33,6 +33,7 @@ class LocalTimeProvider implements IProvider {
 	) {
 	}
 
+	#[\Override]
 	public function process(IEntry $entry): void {
 		$targetUserId = $entry->getProperty('UID');
 		$targetUser = $this->userManager->get($targetUserId);
diff --git a/lib/private/Contacts/ContactsMenu/Providers/ProfileProvider.php b/lib/private/Contacts/ContactsMenu/Providers/ProfileProvider.php
index d00573aaa96..3f4af954989 100644
--- a/lib/private/Contacts/ContactsMenu/Providers/ProfileProvider.php
+++ b/lib/private/Contacts/ContactsMenu/Providers/ProfileProvider.php
@@ -25,6 +25,7 @@ class ProfileProvider implements IProvider {
 	) {
 	}
 
+	#[\Override]
 	public function process(IEntry $entry): void {
 		$targetUserId = $entry->getProperty('UID');
 		$targetUser = $this->userManager->get($targetUserId);
diff --git a/lib/private/ContactsManager.php b/lib/private/ContactsManager.php
index 87b341ac36b..e19efb243b8 100644
--- a/lib/private/ContactsManager.php
+++ b/lib/private/ContactsManager.php
@@ -31,6 +31,7 @@ class ContactsManager implements IManager {
 	 * @psalm-param array{types?: bool, escape_like_param?: bool, limit?: int, offset?: int, enumeration?: bool, fullmatch?: bool, strict_search?: bool} $options
 	 * @return array an array of contacts which are arrays of key-value-pairs
 	 */
+	#[\Override]
 	public function search($pattern, $searchProperties = [], $options = []) {
 		$this->loadAddressBooks();
 		$result = [];
@@ -78,6 +79,7 @@ class ContactsManager implements IManager {
 	 * @param string $addressBookKey identifier of the address book in which the contact shall be deleted
 	 * @return bool successful or not
 	 */
+	#[\Override]
 	public function delete($id, $addressBookKey) {
 		$addressBook = $this->getAddressBook($addressBookKey);
 		if (!$addressBook) {
@@ -99,6 +101,7 @@ class ContactsManager implements IManager {
 	 * @param string $addressBookKey identifier of the address book in which the contact shall be created or updated
 	 * @return ?array representing the contact just created or updated
 	 */
+	#[\Override]
 	public function createOrUpdate($properties, $addressBookKey) {
 		$addressBook = $this->getAddressBook($addressBookKey);
 		if (!$addressBook) {
@@ -117,6 +120,7 @@ class ContactsManager implements IManager {
 	 *
 	 * @return bool true if enabled, false if not
 	 */
+	#[\Override]
 	public function isEnabled(): bool {
 		return !empty($this->addressBooks) || !empty($this->addressBookLoaders);
 	}
@@ -124,6 +128,7 @@ class ContactsManager implements IManager {
 	/**
 	 * @param IAddressBook $addressBook
 	 */
+	#[\Override]
 	public function registerAddressBook(IAddressBook $addressBook) {
 		$this->addressBooks[$addressBook->getKey()] = $addressBook;
 	}
@@ -131,6 +136,7 @@ class ContactsManager implements IManager {
 	/**
 	 * @param IAddressBook $addressBook
 	 */
+	#[\Override]
 	public function unregisterAddressBook(IAddressBook $addressBook) {
 		unset($this->addressBooks[$addressBook->getKey()]);
 	}
@@ -141,6 +147,7 @@ class ContactsManager implements IManager {
 	 * @return IAddressBook[]
 	 * @since 16.0.0
 	 */
+	#[\Override]
 	public function getUserAddressBooks(): array {
 		$this->loadAddressBooks();
 		return $this->addressBooks;
@@ -149,6 +156,7 @@ class ContactsManager implements IManager {
 	/**
 	 * removes all registered address book instances
 	 */
+	#[\Override]
 	public function clear() {
 		$this->addressBooks = [];
 		$this->addressBookLoaders = [];
@@ -170,6 +178,7 @@ class ContactsManager implements IManager {
 	 *
 	 * @param \Closure $callable
 	 */
+	#[\Override]
 	public function register(\Closure $callable) {
 		$this->addressBookLoaders[] = $callable;
 	}
diff --git a/lib/private/ContextChat/ContentManager.php b/lib/private/ContextChat/ContentManager.php
index 3324ce6c700..24e3dc4de6c 100644
--- a/lib/private/ContextChat/ContentManager.php
+++ b/lib/private/ContextChat/ContentManager.php
@@ -18,38 +18,47 @@ class ContentManager implements IContentManager {
 	) {
 	}
 
+	#[\Override]
 	public function isContextChatAvailable(): bool {
 		return $this->contentManager !== null;
 	}
 
+	#[\Override]
 	public function registerContentProvider(string $appId, string $providerId, string $providerClass): void {
 		$this->contentManager?->registerContentProvider($appId, $providerId, $providerClass);
 	}
 
+	#[\Override]
 	public function collectAllContentProviders(): void {
 		$this->contentManager?->collectAllContentProviders();
 	}
 
+	#[\Override]
 	public function submitContent(string $appId, array $items): void {
 		$this->contentManager?->submitContent($appId, $items);
 	}
 
+	#[\Override]
 	public function updateAccess(string $appId, string $providerId, string $itemId, string $op, array $userIds): void {
 		$this->contentManager?->updateAccess($appId, $providerId, $itemId, $op, $userIds);
 	}
 
+	#[\Override]
 	public function updateAccessProvider(string $appId, string $providerId, string $op, array $userIds): void {
 		$this->contentManager?->updateAccessProvider($appId, $providerId, $op, $userIds);
 	}
 
+	#[\Override]
 	public function updateAccessDeclarative(string $appId, string $providerId, string $itemId, array $userIds): void {
 		$this->contentManager?->updateAccessDeclarative($appId, $providerId, $itemId, $op, $userIds);
 	}
 
+	#[\Override]
 	public function deleteProvider(string $appId, string $providerId): void {
 		$this->contentManager?->deleteProvider($appId, $providerId);
 	}
 
+	#[\Override]
 	public function deleteContent(string $appId, string $providerId, array $itemIds): void {
 		$this->contentManager?->deleteContent($appId, $providerId, $itemIds);
 	}
diff --git a/lib/private/DB/AdapterMySQL.php b/lib/private/DB/AdapterMySQL.php
index 63c75607379..b50e676249d 100644
--- a/lib/private/DB/AdapterMySQL.php
+++ b/lib/private/DB/AdapterMySQL.php
@@ -14,14 +14,17 @@ class AdapterMySQL extends Adapter {
 	/**
 	 * @param string $tableName
 	 */
+	#[\Override]
 	public function lockTable($tableName) {
 		$this->conn->executeUpdate('LOCK TABLES `' . $tableName . '` WRITE');
 	}
 
+	#[\Override]
 	public function unlockTable() {
 		$this->conn->executeUpdate('UNLOCK TABLES');
 	}
 
+	#[\Override]
 	public function fixupStatement($statement) {
 		$statement = str_replace(' ILIKE ', ' COLLATE ' . $this->getCollation() . ' LIKE ', $statement);
 		return $statement;
@@ -36,6 +39,7 @@ class AdapterMySQL extends Adapter {
 		return $this->collation;
 	}
 
+	#[\Override]
 	public function insertIgnoreConflict(string $table, array $values): int {
 		$builder = $this->conn->getQueryBuilder();
 		$builder->insert($table);
diff --git a/lib/private/DB/AdapterOCI8.php b/lib/private/DB/AdapterOCI8.php
index 0a509090bca..70fe9290cc5 100644
--- a/lib/private/DB/AdapterOCI8.php
+++ b/lib/private/DB/AdapterOCI8.php
@@ -8,6 +8,7 @@
 namespace OC\DB;
 
 class AdapterOCI8 extends Adapter {
+	#[\Override]
 	public function lastInsertId($table) {
 		if (is_null($table)) {
 			throw new \InvalidArgumentException('Oracle requires a table name to be passed into lastInsertId()');
@@ -21,6 +22,7 @@ class AdapterOCI8 extends Adapter {
 
 	public const UNIX_TIMESTAMP_REPLACEMENT = "(cast(sys_extract_utc(systimestamp) as date) - date'1970-01-01') * 86400";
 
+	#[\Override]
 	public function fixupStatement($statement) {
 		$statement = preg_replace('/`(\w+)` ILIKE \?/', 'REGEXP_LIKE(`$1`, \'^\' || REPLACE(?, \'%\', \'.*\') || \'$\', \'i\')', $statement);
 		$statement = str_replace('`', '"', $statement);
diff --git a/lib/private/DB/AdapterPgSql.php b/lib/private/DB/AdapterPgSql.php
index db48c81c2c5..fe7181005df 100644
--- a/lib/private/DB/AdapterPgSql.php
+++ b/lib/private/DB/AdapterPgSql.php
@@ -9,6 +9,7 @@ namespace OC\DB;
 
 class AdapterPgSql extends Adapter {
 
+	#[\Override]
 	public function lastInsertId($table) {
 		$result = $this->conn->executeQuery('SELECT lastval()');
 		$val = $result->fetchOne();
@@ -17,12 +18,14 @@ class AdapterPgSql extends Adapter {
 	}
 
 	public const UNIX_TIMESTAMP_REPLACEMENT = 'cast(extract(epoch from current_timestamp) as integer)';
+	#[\Override]
 	public function fixupStatement($statement) {
 		$statement = str_replace('`', '"', $statement);
 		$statement = str_ireplace('UNIX_TIMESTAMP()', self::UNIX_TIMESTAMP_REPLACEMENT, $statement);
 		return $statement;
 	}
 
+	#[\Override]
 	public function insertIgnoreConflict(string $table, array $values) : int {
 		// "upsert" is only available since PgSQL 9.5, but the generic way
 		// would leave error logs in the DB.
diff --git a/lib/private/DB/AdapterSqlite.php b/lib/private/DB/AdapterSqlite.php
index aeadf55ecf7..00fff562094 100644
--- a/lib/private/DB/AdapterSqlite.php
+++ b/lib/private/DB/AdapterSqlite.php
@@ -13,14 +13,17 @@ class AdapterSqlite extends Adapter {
 	/**
 	 * @param string $tableName
 	 */
+	#[\Override]
 	public function lockTable($tableName) {
 		$this->conn->executeUpdate('BEGIN EXCLUSIVE TRANSACTION');
 	}
 
+	#[\Override]
 	public function unlockTable() {
 		$this->conn->executeUpdate('COMMIT TRANSACTION');
 	}
 
+	#[\Override]
 	public function fixupStatement($statement) {
 		$statement = preg_replace('/`(\w+)` ILIKE \?/', 'LOWER($1) LIKE LOWER(?)', $statement);
 		$statement = str_replace('`', '"', $statement);
@@ -44,6 +47,7 @@ class AdapterSqlite extends Adapter {
 	 * @throws \Doctrine\DBAL\Exception
 	 * @deprecated 15.0.0 - use unique index and "try { $db->insert() } catch (UniqueConstraintViolationException $e) {}" instead, because it is more reliable and does not have the risk for deadlocks - see https://github.com/nextcloud/server/pull/12371
 	 */
+	#[\Override]
 	public function insertIfNotExist($table, $input, ?array $compare = null) {
 		if (empty($compare)) {
 			$compare = array_keys($input);
@@ -77,6 +81,7 @@ class AdapterSqlite extends Adapter {
 		}
 	}
 
+	#[\Override]
 	public function insertIgnoreConflict(string $table, array $values): int {
 		$builder = $this->conn->getQueryBuilder();
 		$builder->insert($table);
diff --git a/lib/private/DB/BacktraceDebugStack.php b/lib/private/DB/BacktraceDebugStack.php
index 4afd3ce6a13..cd5b53ea824 100644
--- a/lib/private/DB/BacktraceDebugStack.php
+++ b/lib/private/DB/BacktraceDebugStack.php
@@ -11,6 +11,7 @@ namespace OC\DB;
 use Doctrine\DBAL\Logging\DebugStack;
 
 class BacktraceDebugStack extends DebugStack {
+	#[\Override]
 	public function startQuery($sql, ?array $params = null, ?array $types = null) {
 		parent::startQuery($sql, $params, $types);
 		$backtrace = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS);
diff --git a/lib/private/DB/Connection.php b/lib/private/DB/Connection.php
index 3eef60c6daf..27be1b327e2 100644
--- a/lib/private/DB/Connection.php
+++ b/lib/private/DB/Connection.php
@@ -204,6 +204,7 @@ class Connection extends PrimaryReadReplicaConnection {
 	/**
 	 * @throws Exception
 	 */
+	#[\Override]
 	public function connect($connectionName = null) {
 		try {
 			if ($this->_conn) {
@@ -228,6 +229,7 @@ class Connection extends PrimaryReadReplicaConnection {
 		}
 	}
 
+	#[\Override]
 	protected function performConnect(?string $connectionName = null): bool {
 		if (($connectionName ?? 'replica') === 'replica'
 			&& count($this->params['replica']) === 1
@@ -286,6 +288,7 @@ class Connection extends PrimaryReadReplicaConnection {
 	 * @return \Doctrine\DBAL\Query\QueryBuilder
 	 * @deprecated 8.0.0 please use $this->getQueryBuilder() instead
 	 */
+	#[\Override]
 	public function createQueryBuilder() {
 		$backtrace = $this->getCallerBacktrace();
 		$this->logger->debug('Doctrine QueryBuilder retrieved in {backtrace}', ['app' => 'core', 'backtrace' => $backtrace]);
@@ -299,6 +302,7 @@ class Connection extends PrimaryReadReplicaConnection {
 	 * @return \Doctrine\DBAL\Query\Expression\ExpressionBuilder
 	 * @deprecated 8.0.0 please use $this->getQueryBuilder()->expr() instead
 	 */
+	#[\Override]
 	public function getExpressionBuilder() {
 		$backtrace = $this->getCallerBacktrace();
 		$this->logger->debug('Doctrine ExpressionBuilder retrieved in {backtrace}', ['app' => 'core', 'backtrace' => $backtrace]);
@@ -337,6 +341,7 @@ class Connection extends PrimaryReadReplicaConnection {
 	 * @return Statement The prepared statement.
 	 * @throws Exception
 	 */
+	#[\Override]
 	public function prepare($sql, $limit = null, $offset = null): Statement {
 		if ($limit === -1 || $limit === null) {
 			$limit = null;
@@ -370,6 +375,7 @@ class Connection extends PrimaryReadReplicaConnection {
 	 *
 	 * @throws \Doctrine\DBAL\Exception
 	 */
+	#[\Override]
 	public function executeQuery(string $sql, array $params = [], $types = [], ?QueryCacheProfile $qcp = null): Result {
 		$tables = $this->getQueriedTables($sql);
 		$now = $this->clock->now()->getTimestamp();
@@ -431,6 +437,7 @@ class Connection extends PrimaryReadReplicaConnection {
 	/**
 	 * @throws Exception
 	 */
+	#[\Override]
 	public function executeUpdate(string $sql, array $params = [], array $types = []): int {
 		return $this->executeStatement($sql, $params, $types);
 	}
@@ -449,6 +456,7 @@ class Connection extends PrimaryReadReplicaConnection {
 	 *
 	 * @throws \Doctrine\DBAL\Exception
 	 */
+	#[\Override]
 	public function executeStatement($sql, array $params = [], array $types = []): int {
 		$tables = $this->getQueriedTables($sql);
 		foreach ($tables as $table) {
@@ -510,6 +518,7 @@ class Connection extends PrimaryReadReplicaConnection {
 	 * @return int the last inserted ID.
 	 * @throws Exception
 	 */
+	#[\Override]
 	public function lastInsertId($name = null): int {
 		if ($name) {
 			$name = $this->replaceTablePrefix($name);
@@ -827,6 +836,7 @@ class Connection extends PrimaryReadReplicaConnection {
 		}
 	}
 
+	#[\Override]
 	public function beginTransaction() {
 		if (!$this->inTransaction()) {
 			$this->transactionBacktrace = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS);
@@ -835,6 +845,7 @@ class Connection extends PrimaryReadReplicaConnection {
 		return parent::beginTransaction();
 	}
 
+	#[\Override]
 	public function commit() {
 		$result = parent::commit();
 		if ($this->getTransactionNestingLevel() === 0) {
@@ -861,6 +872,7 @@ class Connection extends PrimaryReadReplicaConnection {
 		return $result;
 	}
 
+	#[\Override]
 	public function rollBack() {
 		$result = parent::rollBack();
 		if ($this->getTransactionNestingLevel() === 0) {
diff --git a/lib/private/DB/ConnectionAdapter.php b/lib/private/DB/ConnectionAdapter.php
index d9e3e7ec549..0f275c3aae2 100644
--- a/lib/private/DB/ConnectionAdapter.php
+++ b/lib/private/DB/ConnectionAdapter.php
@@ -29,14 +29,17 @@ class ConnectionAdapter implements IDBConnection {
 	) {
 	}
 
+	#[\Override]
 	public function getQueryBuilder(): IQueryBuilder {
 		return $this->inner->getQueryBuilder();
 	}
 
+	#[\Override]
 	public function getTypedQueryBuilder(): ITypedQueryBuilder {
 		return $this->inner->getTypedQueryBuilder();
 	}
 
+	#[\Override]
 	public function prepare($sql, $limit = null, $offset = null): IPreparedStatement {
 		try {
 			return new PreparedStatement(
@@ -47,6 +50,7 @@ class ConnectionAdapter implements IDBConnection {
 		}
 	}
 
+	#[\Override]
 	public function executeQuery(string $sql, array $params = [], $types = []): IResult {
 		try {
 			return new ResultAdapter(
@@ -57,6 +61,7 @@ class ConnectionAdapter implements IDBConnection {
 		}
 	}
 
+	#[\Override]
 	public function executeUpdate(string $sql, array $params = [], array $types = []): int {
 		try {
 			return $this->inner->executeUpdate($sql, $params, $types);
@@ -65,6 +70,7 @@ class ConnectionAdapter implements IDBConnection {
 		}
 	}
 
+	#[\Override]
 	public function executeStatement($sql, array $params = [], array $types = []): int {
 		try {
 			return $this->inner->executeStatement($sql, $params, $types);
@@ -73,6 +79,7 @@ class ConnectionAdapter implements IDBConnection {
 		}
 	}
 
+	#[\Override]
 	public function lastInsertId(string $table): int {
 		try {
 			return $this->inner->lastInsertId($table);
@@ -81,6 +88,7 @@ class ConnectionAdapter implements IDBConnection {
 		}
 	}
 
+	#[\Override]
 	public function insertIfNotExist(string $table, array $input, ?array $compare = null) {
 		try {
 			return $this->inner->insertIfNotExist($table, $input, $compare);
@@ -89,6 +97,7 @@ class ConnectionAdapter implements IDBConnection {
 		}
 	}
 
+	#[\Override]
 	public function insertIgnoreConflict(string $table, array $values): int {
 		try {
 			return $this->inner->insertIgnoreConflict($table, $values);
@@ -97,6 +106,7 @@ class ConnectionAdapter implements IDBConnection {
 		}
 	}
 
+	#[\Override]
 	public function setValues($table, array $keys, array $values, array $updatePreconditionValues = []): int {
 		try {
 			return $this->inner->setValues($table, $keys, $values, $updatePreconditionValues);
@@ -105,6 +115,7 @@ class ConnectionAdapter implements IDBConnection {
 		}
 	}
 
+	#[\Override]
 	public function lockTable($tableName): void {
 		try {
 			$this->inner->lockTable($tableName);
@@ -113,6 +124,7 @@ class ConnectionAdapter implements IDBConnection {
 		}
 	}
 
+	#[\Override]
 	public function unlockTable(): void {
 		try {
 			$this->inner->unlockTable();
@@ -121,6 +133,7 @@ class ConnectionAdapter implements IDBConnection {
 		}
 	}
 
+	#[\Override]
 	public function beginTransaction(): void {
 		try {
 			$this->inner->beginTransaction();
@@ -129,10 +142,12 @@ class ConnectionAdapter implements IDBConnection {
 		}
 	}
 
+	#[\Override]
 	public function inTransaction(): bool {
 		return $this->inner->inTransaction();
 	}
 
+	#[\Override]
 	public function commit(): void {
 		try {
 			$this->inner->commit();
@@ -141,6 +156,7 @@ class ConnectionAdapter implements IDBConnection {
 		}
 	}
 
+	#[\Override]
 	public function rollBack(): void {
 		try {
 			$this->inner->rollBack();
@@ -149,18 +165,22 @@ class ConnectionAdapter implements IDBConnection {
 		}
 	}
 
+	#[\Override]
 	public function getError(): string {
 		return $this->inner->getError();
 	}
 
+	#[\Override]
 	public function errorCode() {
 		return $this->inner->errorCode();
 	}
 
+	#[\Override]
 	public function errorInfo() {
 		return $this->inner->errorInfo();
 	}
 
+	#[\Override]
 	public function connect(): bool {
 		try {
 			return $this->inner->connect();
@@ -169,10 +189,12 @@ class ConnectionAdapter implements IDBConnection {
 		}
 	}
 
+	#[\Override]
 	public function close(): void {
 		$this->inner->close();
 	}
 
+	#[\Override]
 	public function quote($input, $type = IQueryBuilder::PARAM_STR) {
 		return $this->inner->quote($input, $type);
 	}
@@ -180,10 +202,12 @@ class ConnectionAdapter implements IDBConnection {
 	/**
 	 * @todo we are leaking a 3rdparty type here
 	 */
+	#[\Override]
 	public function getDatabasePlatform(): AbstractPlatform {
 		return $this->inner->getDatabasePlatform();
 	}
 
+	#[\Override]
 	public function dropTable(string $table): void {
 		try {
 			$this->inner->dropTable($table);
@@ -192,6 +216,7 @@ class ConnectionAdapter implements IDBConnection {
 		}
 	}
 
+	#[\Override]
 	public function truncateTable(string $table, bool $cascade): void {
 		try {
 			$this->inner->truncateTable($table, $cascade);
@@ -200,6 +225,7 @@ class ConnectionAdapter implements IDBConnection {
 		}
 	}
 
+	#[\Override]
 	public function tableExists(string $table): bool {
 		try {
 			return $this->inner->tableExists($table);
@@ -208,10 +234,12 @@ class ConnectionAdapter implements IDBConnection {
 		}
 	}
 
+	#[\Override]
 	public function escapeLikeParameter(string $param): string {
 		return $this->inner->escapeLikeParameter($param);
 	}
 
+	#[\Override]
 	public function supports4ByteText(): bool {
 		return $this->inner->supports4ByteText();
 	}
@@ -219,6 +247,7 @@ class ConnectionAdapter implements IDBConnection {
 	/**
 	 * @todo leaks a 3rdparty type
 	 */
+	#[\Override]
 	public function createSchema(): Schema {
 		try {
 			return $this->inner->createSchema();
@@ -227,6 +256,7 @@ class ConnectionAdapter implements IDBConnection {
 		}
 	}
 
+	#[\Override]
 	public function migrateToSchema(Schema $toSchema): void {
 		try {
 			$this->inner->migrateToSchema($toSchema);
@@ -242,6 +272,7 @@ class ConnectionAdapter implements IDBConnection {
 	/**
 	 * @return self::PLATFORM_MYSQL|self::PLATFORM_ORACLE|self::PLATFORM_POSTGRES|self::PLATFORM_SQLITE|self::PLATFORM_MARIADB
 	 */
+	#[\Override]
 	public function getDatabaseProvider(bool $strict = false): string {
 		return $this->inner->getDatabaseProvider($strict);
 	}
@@ -258,10 +289,12 @@ class ConnectionAdapter implements IDBConnection {
 		$this->inner->logDatabaseException($exception);
 	}
 
+	#[\Override]
 	public function getShardDefinition(string $name): ?ShardDefinition {
 		return $this->inner->getShardDefinition($name);
 	}
 
+	#[\Override]
 	public function getCrossShardMoveHelper(): CrossShardMoveHelper {
 		return $this->inner->getCrossShardMoveHelper();
 	}
diff --git a/lib/private/DB/DbDataCollector.php b/lib/private/DB/DbDataCollector.php
index 828674586e0..9a6f45baae1 100644
--- a/lib/private/DB/DbDataCollector.php
+++ b/lib/private/DB/DbDataCollector.php
@@ -29,6 +29,7 @@ class DbDataCollector extends AbstractDataCollector {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function collect(Request $request, Response $response, ?\Throwable $exception = null): void {
 		$queries = $this->sanitizeQueries($this->debugStack->queries);
 
@@ -37,6 +38,7 @@ class DbDataCollector extends AbstractDataCollector {
 		];
 	}
 
+	#[\Override]
 	public function getName(): string {
 		return 'db';
 	}
diff --git a/lib/private/DB/Exceptions/DbalException.php b/lib/private/DB/Exceptions/DbalException.php
index a34ebfe651d..483b3d8542f 100644
--- a/lib/private/DB/Exceptions/DbalException.php
+++ b/lib/private/DB/Exceptions/DbalException.php
@@ -59,6 +59,7 @@ class DbalException extends Exception {
 		return $this->original instanceof RetryableException;
 	}
 
+	#[\Override]
 	public function getReason(): ?int {
 		/**
 		 * Constraint errors
diff --git a/lib/private/DB/OracleConnection.php b/lib/private/DB/OracleConnection.php
index c572157d750..6b4efa8ca5a 100644
--- a/lib/private/DB/OracleConnection.php
+++ b/lib/private/DB/OracleConnection.php
@@ -26,6 +26,7 @@ class OracleConnection extends Connection {
 		return $return;
 	}
 
+	#[\Override]
 	public function truncateTable(string $table, bool $cascade) {
 		if ($table[0] !== $this->getDatabasePlatform()->getIdentifierQuoteCharacter()) {
 			$table = $this->quoteIdentifier($table);
@@ -36,6 +37,7 @@ class OracleConnection extends Connection {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function insert($table, array $data, array $types = []) {
 		if ($table[0] !== $this->getDatabasePlatform()->getIdentifierQuoteCharacter()) {
 			$table = $this->quoteIdentifier($table);
@@ -47,6 +49,7 @@ class OracleConnection extends Connection {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function update($table, array $data, array $criteria, array $types = []) {
 		if ($table[0] !== $this->getDatabasePlatform()->getIdentifierQuoteCharacter()) {
 			$table = $this->quoteIdentifier($table);
@@ -59,6 +62,7 @@ class OracleConnection extends Connection {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function delete($table, array $criteria, array $types = []) {
 		if ($table[0] !== $this->getDatabasePlatform()->getIdentifierQuoteCharacter()) {
 			$table = $this->quoteIdentifier($table);
@@ -72,6 +76,7 @@ class OracleConnection extends Connection {
 	 *
 	 * @param string $table table name without the prefix
 	 */
+	#[\Override]
 	public function dropTable($table) {
 		$table = $this->tablePrefix . trim($table);
 		$table = $this->quoteIdentifier($table);
@@ -87,6 +92,7 @@ class OracleConnection extends Connection {
 	 * @param string $table table name without the prefix
 	 * @return bool
 	 */
+	#[\Override]
 	public function tableExists($table) {
 		$table = $this->tablePrefix . trim($table);
 		$table = $this->quoteIdentifier($table);
diff --git a/lib/private/DB/OracleMigrator.php b/lib/private/DB/OracleMigrator.php
index c5a7646dbb2..30e44af6e95 100644
--- a/lib/private/DB/OracleMigrator.php
+++ b/lib/private/DB/OracleMigrator.php
@@ -18,6 +18,7 @@ class OracleMigrator extends Migrator {
 	 * @return \Doctrine\DBAL\Schema\SchemaDiff
 	 * @throws Exception
 	 */
+	#[\Override]
 	protected function getDiff(Schema $targetSchema, \Doctrine\DBAL\Connection $connection): \Doctrine\DBAL\Schema\SchemaDiff {
 		// oracle forces us to quote the identifiers
 		$quotedSchema = new Schema();
@@ -123,6 +124,7 @@ class OracleMigrator extends Migrator {
 	 * @param $statement
 	 * @return string
 	 */
+	#[\Override]
 	protected function convertStatementToScript($statement) {
 		if (str_ends_with($statement, ';')) {
 			return $statement . PHP_EOL . '/' . PHP_EOL;
@@ -133,6 +135,7 @@ class OracleMigrator extends Migrator {
 		return $script;
 	}
 
+	#[\Override]
 	protected function getFilterExpression() {
 		return '/^"' . preg_quote($this->config->getSystemValueString('dbtableprefix', 'oc_')) . '/';
 	}
diff --git a/lib/private/DB/PreparedStatement.php b/lib/private/DB/PreparedStatement.php
index 54561ed96cd..f88ad0edc6c 100644
--- a/lib/private/DB/PreparedStatement.php
+++ b/lib/private/DB/PreparedStatement.php
@@ -35,40 +35,49 @@ class PreparedStatement implements IPreparedStatement {
 		$this->statement = $statement;
 	}
 
+	#[\Override]
 	public function closeCursor(): bool {
 		$this->getResult()->closeCursor();
 
 		return true;
 	}
 
+	#[\Override]
 	public function fetch(int $fetchMode = PDO::FETCH_ASSOC) {
 		return $this->getResult()->fetch($fetchMode);
 	}
 
+	#[\Override]
 	public function fetchAll(int $fetchMode = PDO::FETCH_ASSOC): array {
 		return $this->getResult()->fetchAll($fetchMode);
 	}
 
+	#[\Override]
 	public function fetchColumn() {
 		return $this->getResult()->fetchOne();
 	}
 
+	#[\Override]
 	public function fetchOne() {
 		return $this->getResult()->fetchOne();
 	}
 
+	#[\Override]
 	public function bindValue($param, $value, $type = ParameterType::STRING): bool {
 		return $this->statement->bindValue($param, $value, $type);
 	}
 
+	#[\Override]
 	public function bindParam($param, &$variable, $type = ParameterType::STRING, $length = null): bool {
 		return $this->statement->bindParam($param, $variable, $type, $length);
 	}
 
+	#[\Override]
 	public function execute($params = null): IResult {
 		return ($this->result = new ResultAdapter($this->statement->execute($params)));
 	}
 
+	#[\Override]
 	public function rowCount(): int {
 		return $this->getResult()->rowCount();
 	}
diff --git a/lib/private/DB/QueryBuilder/CompositeExpression.php b/lib/private/DB/QueryBuilder/CompositeExpression.php
index 18adf242c89..6a1d6c3f513 100644
--- a/lib/private/DB/QueryBuilder/CompositeExpression.php
+++ b/lib/private/DB/QueryBuilder/CompositeExpression.php
@@ -51,6 +51,7 @@ class CompositeExpression implements ICompositeExpression, \Countable {
 	 *
 	 * @return integer
 	 */
+	#[\Override]
 	public function count(): int {
 		return count($this->parts);
 	}
@@ -60,6 +61,7 @@ class CompositeExpression implements ICompositeExpression, \Countable {
 	 *
 	 * @return string
 	 */
+	#[\Override]
 	public function getType(): string {
 		return $this->type;
 	}
diff --git a/lib/private/DB/QueryBuilder/ExpressionBuilder/ExpressionBuilder.php b/lib/private/DB/QueryBuilder/ExpressionBuilder/ExpressionBuilder.php
index 8436fd365a0..3565e97efd1 100644
--- a/lib/private/DB/QueryBuilder/ExpressionBuilder/ExpressionBuilder.php
+++ b/lib/private/DB/QueryBuilder/ExpressionBuilder/ExpressionBuilder.php
@@ -51,6 +51,7 @@ class ExpressionBuilder implements IExpressionBuilder {
 	 *
 	 * @return ICompositeExpression
 	 */
+	#[\Override]
 	public function andX(...$x): ICompositeExpression {
 		if (empty($x)) {
 			$this->logger->debug('Calling ' . IQueryBuilder::class . '::' . __FUNCTION__ . ' without parameters is deprecated and will throw soon.', ['exception' => new \Exception('No parameters in call to ' . __METHOD__)]);
@@ -72,6 +73,7 @@ class ExpressionBuilder implements IExpressionBuilder {
 	 *
 	 * @return ICompositeExpression
 	 */
+	#[\Override]
 	public function orX(...$x): ICompositeExpression {
 		if (empty($x)) {
 			$this->logger->debug('Calling ' . IQueryBuilder::class . '::' . __FUNCTION__ . ' without parameters is deprecated and will throw soon.', ['exception' => new \Exception('No parameters in call to ' . __METHOD__)]);
@@ -90,6 +92,7 @@ class ExpressionBuilder implements IExpressionBuilder {
 	 *
 	 * @return string
 	 */
+	#[\Override]
 	public function comparison($x, string $operator, $y, $type = null): string {
 		$x = $this->prepareColumn($x, $type);
 		$y = $this->prepareColumn($y, $type);
@@ -113,6 +116,7 @@ class ExpressionBuilder implements IExpressionBuilder {
 	 *
 	 * @return string
 	 */
+	#[\Override]
 	public function eq($x, $y, $type = null): string {
 		$x = $this->prepareColumn($x, $type);
 		$y = $this->prepareColumn($y, $type);
@@ -135,6 +139,7 @@ class ExpressionBuilder implements IExpressionBuilder {
 	 *
 	 * @return string
 	 */
+	#[\Override]
 	public function neq($x, $y, $type = null): string {
 		$x = $this->prepareColumn($x, $type);
 		$y = $this->prepareColumn($y, $type);
@@ -157,6 +162,7 @@ class ExpressionBuilder implements IExpressionBuilder {
 	 *
 	 * @return string
 	 */
+	#[\Override]
 	public function lt($x, $y, $type = null): string {
 		$x = $this->prepareColumn($x, $type);
 		$y = $this->prepareColumn($y, $type);
@@ -179,6 +185,7 @@ class ExpressionBuilder implements IExpressionBuilder {
 	 *
 	 * @return string
 	 */
+	#[\Override]
 	public function lte($x, $y, $type = null): string {
 		$x = $this->prepareColumn($x, $type);
 		$y = $this->prepareColumn($y, $type);
@@ -201,6 +208,7 @@ class ExpressionBuilder implements IExpressionBuilder {
 	 *
 	 * @return string
 	 */
+	#[\Override]
 	public function gt($x, $y, $type = null): string {
 		$x = $this->prepareColumn($x, $type);
 		$y = $this->prepareColumn($y, $type);
@@ -223,6 +231,7 @@ class ExpressionBuilder implements IExpressionBuilder {
 	 *
 	 * @return string
 	 */
+	#[\Override]
 	public function gte($x, $y, $type = null): string {
 		$x = $this->prepareColumn($x, $type);
 		$y = $this->prepareColumn($y, $type);
@@ -236,6 +245,7 @@ class ExpressionBuilder implements IExpressionBuilder {
 	 *
 	 * @return string
 	 */
+	#[\Override]
 	public function isNull($x): string {
 		$x = $this->helper->quoteColumnName($x);
 		return $this->expressionBuilder->isNull($x);
@@ -248,6 +258,7 @@ class ExpressionBuilder implements IExpressionBuilder {
 	 *
 	 * @return string
 	 */
+	#[\Override]
 	public function isNotNull($x): string {
 		$x = $this->helper->quoteColumnName($x);
 		return $this->expressionBuilder->isNotNull($x);
@@ -263,6 +274,7 @@ class ExpressionBuilder implements IExpressionBuilder {
 	 *
 	 * @return string
 	 */
+	#[\Override]
 	public function like($x, $y, $type = null): string {
 		$x = $this->helper->quoteColumnName($x);
 		$y = $this->helper->quoteColumnName($y);
@@ -280,6 +292,7 @@ class ExpressionBuilder implements IExpressionBuilder {
 	 * @return string
 	 * @since 9.0.0
 	 */
+	#[\Override]
 	public function iLike($x, $y, $type = null): string {
 		return $this->expressionBuilder->like($this->functionBuilder->lower($x), $this->functionBuilder->lower($y));
 	}
@@ -294,6 +307,7 @@ class ExpressionBuilder implements IExpressionBuilder {
 	 *
 	 * @return string
 	 */
+	#[\Override]
 	public function notLike($x, $y, $type = null): string {
 		$x = $this->helper->quoteColumnName($x);
 		$y = $this->helper->quoteColumnName($y);
@@ -310,6 +324,7 @@ class ExpressionBuilder implements IExpressionBuilder {
 	 *
 	 * @return string
 	 */
+	#[\Override]
 	public function in($x, $y, $type = null): string {
 		$x = $this->helper->quoteColumnName($x);
 		$y = $this->helper->quoteColumnNames($y);
@@ -326,6 +341,7 @@ class ExpressionBuilder implements IExpressionBuilder {
 	 *
 	 * @return string
 	 */
+	#[\Override]
 	public function notIn($x, $y, $type = null): string {
 		$x = $this->helper->quoteColumnName($x);
 		$y = $this->helper->quoteColumnNames($y);
@@ -339,6 +355,7 @@ class ExpressionBuilder implements IExpressionBuilder {
 	 * @return string
 	 * @since 13.0.0
 	 */
+	#[\Override]
 	public function emptyString($x): string {
 		return $this->eq($x, $this->literal('', IQueryBuilder::PARAM_STR));
 	}
@@ -350,6 +367,7 @@ class ExpressionBuilder implements IExpressionBuilder {
 	 * @return string
 	 * @since 13.0.0
 	 */
+	#[\Override]
 	public function nonEmptyString($x): string {
 		return $this->neq($x, $this->literal('', IQueryBuilder::PARAM_STR));
 	}
@@ -362,6 +380,7 @@ class ExpressionBuilder implements IExpressionBuilder {
 	 * @return IQueryFunction
 	 * @since 12.0.0
 	 */
+	#[\Override]
 	public function bitwiseAnd($x, int $y): IQueryFunction {
 		return new QueryFunction($this->connection->getDatabasePlatform()->getBitAndComparisonExpression(
 			$this->helper->quoteColumnName($x),
@@ -377,6 +396,7 @@ class ExpressionBuilder implements IExpressionBuilder {
 	 * @return IQueryFunction
 	 * @since 12.0.0
 	 */
+	#[\Override]
 	public function bitwiseOr($x, int $y): IQueryFunction {
 		return new QueryFunction($this->connection->getDatabasePlatform()->getBitOrComparisonExpression(
 			$this->helper->quoteColumnName($x),
@@ -392,6 +412,7 @@ class ExpressionBuilder implements IExpressionBuilder {
 	 *
 	 * @return ILiteral
 	 */
+	#[\Override]
 	public function literal($input, $type = IQueryBuilder::PARAM_STR): ILiteral {
 		return new Literal($this->expressionBuilder->literal($input, $type));
 	}
@@ -404,6 +425,7 @@ class ExpressionBuilder implements IExpressionBuilder {
 	 * @psalm-param IQueryBuilder::PARAM_* $type
 	 * @return IQueryFunction
 	 */
+	#[\Override]
 	public function castColumn($column, $type): IQueryFunction {
 		return new QueryFunction(
 			$this->helper->quoteColumnName($column)
diff --git a/lib/private/DB/QueryBuilder/ExpressionBuilder/MySqlExpressionBuilder.php b/lib/private/DB/QueryBuilder/ExpressionBuilder/MySqlExpressionBuilder.php
index 0227c3154e3..a604f6957a3 100644
--- a/lib/private/DB/QueryBuilder/ExpressionBuilder/MySqlExpressionBuilder.php
+++ b/lib/private/DB/QueryBuilder/ExpressionBuilder/MySqlExpressionBuilder.php
@@ -26,6 +26,7 @@ class MySqlExpressionBuilder extends ExpressionBuilder {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function iLike($x, $y, $type = null): string {
 		$x = $this->helper->quoteColumnName($x);
 		$y = $this->helper->quoteColumnName($y);
@@ -40,6 +41,7 @@ class MySqlExpressionBuilder extends ExpressionBuilder {
 	 * @psalm-param IQueryBuilder::PARAM_* $type
 	 * @return IQueryFunction
 	 */
+	#[\Override]
 	public function castColumn($column, $type): IQueryFunction {
 		switch ($type) {
 			case IQueryBuilder::PARAM_STR:
diff --git a/lib/private/DB/QueryBuilder/ExpressionBuilder/OCIExpressionBuilder.php b/lib/private/DB/QueryBuilder/ExpressionBuilder/OCIExpressionBuilder.php
index 20308b24550..f95cd98921f 100644
--- a/lib/private/DB/QueryBuilder/ExpressionBuilder/OCIExpressionBuilder.php
+++ b/lib/private/DB/QueryBuilder/ExpressionBuilder/OCIExpressionBuilder.php
@@ -19,6 +19,7 @@ class OCIExpressionBuilder extends ExpressionBuilder {
 	 * @param mixed|null $type
 	 * @return array|IQueryFunction|string
 	 */
+	#[\Override]
 	protected function prepareColumn($column, $type) {
 		if ($type === IQueryBuilder::PARAM_STR && !is_array($column) && !($column instanceof IParameter) && !($column instanceof ILiteral)) {
 			$column = $this->castColumn($column, $type);
@@ -30,6 +31,7 @@ class OCIExpressionBuilder extends ExpressionBuilder {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function eq($x, $y, $type = null): string {
 		if ($type === IQueryBuilder::PARAM_JSON) {
 			$x = $this->prepareColumn($x, $type);
@@ -43,6 +45,7 @@ class OCIExpressionBuilder extends ExpressionBuilder {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function neq($x, $y, $type = null): string {
 		if ($type === IQueryBuilder::PARAM_JSON) {
 			$x = $this->prepareColumn($x, $type);
@@ -56,6 +59,7 @@ class OCIExpressionBuilder extends ExpressionBuilder {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function in($x, $y, $type = null): string {
 		$x = $this->prepareColumn($x, $type);
 		$y = $this->prepareColumn($y, $type);
@@ -66,6 +70,7 @@ class OCIExpressionBuilder extends ExpressionBuilder {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function notIn($x, $y, $type = null): string {
 		$x = $this->prepareColumn($x, $type);
 		$y = $this->prepareColumn($y, $type);
@@ -80,6 +85,7 @@ class OCIExpressionBuilder extends ExpressionBuilder {
 	 * @return string
 	 * @since 13.0.0
 	 */
+	#[\Override]
 	public function emptyString($x): string {
 		return $this->isNull($x);
 	}
@@ -91,6 +97,7 @@ class OCIExpressionBuilder extends ExpressionBuilder {
 	 * @return string
 	 * @since 13.0.0
 	 */
+	#[\Override]
 	public function nonEmptyString($x): string {
 		return $this->isNotNull($x);
 	}
@@ -103,6 +110,7 @@ class OCIExpressionBuilder extends ExpressionBuilder {
 	 * @psalm-param IQueryBuilder::PARAM_* $type
 	 * @return IQueryFunction
 	 */
+	#[\Override]
 	public function castColumn($column, $type): IQueryFunction {
 		if ($type === IQueryBuilder::PARAM_STR) {
 			$column = $this->helper->quoteColumnName($column);
@@ -119,6 +127,7 @@ class OCIExpressionBuilder extends ExpressionBuilder {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function like($x, $y, $type = null): string {
 		return parent::like($x, $y, $type) . " ESCAPE '\\'";
 	}
@@ -126,6 +135,7 @@ class OCIExpressionBuilder extends ExpressionBuilder {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function iLike($x, $y, $type = null): string {
 		return $this->like($this->functionBuilder->lower($x), $this->functionBuilder->lower($y));
 	}
diff --git a/lib/private/DB/QueryBuilder/ExpressionBuilder/PgSqlExpressionBuilder.php b/lib/private/DB/QueryBuilder/ExpressionBuilder/PgSqlExpressionBuilder.php
index f30fccadb1f..e3dd5841a11 100644
--- a/lib/private/DB/QueryBuilder/ExpressionBuilder/PgSqlExpressionBuilder.php
+++ b/lib/private/DB/QueryBuilder/ExpressionBuilder/PgSqlExpressionBuilder.php
@@ -22,6 +22,7 @@ class PgSqlExpressionBuilder extends ExpressionBuilder {
 	 * @psalm-param IQueryBuilder::PARAM_* $type
 	 * @return IQueryFunction
 	 */
+	#[\Override]
 	public function castColumn($column, $type): IQueryFunction {
 		switch ($type) {
 			case IQueryBuilder::PARAM_INT:
@@ -37,6 +38,7 @@ class PgSqlExpressionBuilder extends ExpressionBuilder {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	protected function prepareColumn($column, $type) {
 		if ($type === IQueryBuilder::PARAM_JSON && !is_array($column) && !($column instanceof IParameter) && !($column instanceof ILiteral)) {
 			$column = $this->castColumn($column, $type);
@@ -48,6 +50,7 @@ class PgSqlExpressionBuilder extends ExpressionBuilder {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function iLike($x, $y, $type = null): string {
 		$x = $this->helper->quoteColumnName($x);
 		$y = $this->helper->quoteColumnName($y);
diff --git a/lib/private/DB/QueryBuilder/ExpressionBuilder/SqliteExpressionBuilder.php b/lib/private/DB/QueryBuilder/ExpressionBuilder/SqliteExpressionBuilder.php
index 52f82db2232..f1ae4d06536 100644
--- a/lib/private/DB/QueryBuilder/ExpressionBuilder/SqliteExpressionBuilder.php
+++ b/lib/private/DB/QueryBuilder/ExpressionBuilder/SqliteExpressionBuilder.php
@@ -16,10 +16,12 @@ class SqliteExpressionBuilder extends ExpressionBuilder {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function like($x, $y, $type = null): string {
 		return parent::like($x, $y, $type) . " ESCAPE '\\'";
 	}
 
+	#[\Override]
 	public function iLike($x, $y, $type = null): string {
 		return $this->like($this->functionBuilder->lower($x), $this->functionBuilder->lower($y), $type);
 	}
@@ -29,6 +31,7 @@ class SqliteExpressionBuilder extends ExpressionBuilder {
 	 * @param mixed|null $type
 	 * @return array|IQueryFunction|string
 	 */
+	#[\Override]
 	protected function prepareColumn($column, $type) {
 		if ($type !== null
 			&& !is_array($column)
@@ -48,6 +51,7 @@ class SqliteExpressionBuilder extends ExpressionBuilder {
 	 * @param mixed $type One of IQueryBuilder::PARAM_*
 	 * @return IQueryFunction
 	 */
+	#[\Override]
 	public function castColumn($column, $type): IQueryFunction {
 		switch ($type) {
 			case IQueryBuilder::PARAM_DATE_MUTABLE:
diff --git a/lib/private/DB/QueryBuilder/ExtendedQueryBuilder.php b/lib/private/DB/QueryBuilder/ExtendedQueryBuilder.php
index 33901ace1d4..5cc0771c0be 100644
--- a/lib/private/DB/QueryBuilder/ExtendedQueryBuilder.php
+++ b/lib/private/DB/QueryBuilder/ExtendedQueryBuilder.php
@@ -22,276 +22,336 @@ abstract class ExtendedQueryBuilder extends TypedQueryBuilder {
 	) {
 	}
 
+	#[\Override]
 	public function automaticTablePrefix($enabled) {
 		$this->builder->automaticTablePrefix($enabled);
 		return $this;
 	}
 
+	#[\Override]
 	public function expr() {
 		return $this->builder->expr();
 	}
 
+	#[\Override]
 	public function func() {
 		return $this->builder->func();
 	}
 
+	#[\Override]
 	public function getType() {
 		return $this->builder->getType();
 	}
 
+	#[\Override]
 	public function getConnection() {
 		return $this->builder->getConnection();
 	}
 
+	#[\Override]
 	public function getState() {
 		return $this->builder->getState();
 	}
 
+	#[\Override]
 	public function getSQL() {
 		return $this->builder->getSQL();
 	}
 
+	#[\Override]
 	public function setParameter($key, $value, $type = null) {
 		$this->builder->setParameter($key, $value, $type);
 		return $this;
 	}
 
+	#[\Override]
 	public function setParameters(array $params, array $types = []) {
 		$this->builder->setParameters($params, $types);
 		return $this;
 	}
 
+	#[\Override]
 	public function getParameters() {
 		return $this->builder->getParameters();
 	}
 
+	#[\Override]
 	public function getParameter($key) {
 		return $this->builder->getParameter($key);
 	}
 
+	#[\Override]
 	public function getParameterTypes() {
 		return $this->builder->getParameterTypes();
 	}
 
+	#[\Override]
 	public function getParameterType($key) {
 		return $this->builder->getParameterType($key);
 	}
 
+	#[\Override]
 	public function setFirstResult($firstResult) {
 		$this->builder->setFirstResult($firstResult);
 		return $this;
 	}
 
+	#[\Override]
 	public function getFirstResult() {
 		return $this->builder->getFirstResult();
 	}
 
+	#[\Override]
 	public function setMaxResults($maxResults) {
 		$this->builder->setMaxResults($maxResults);
 		return $this;
 	}
 
+	#[\Override]
 	public function getMaxResults() {
 		return $this->builder->getMaxResults();
 	}
 
+	#[\Override]
 	public function select(...$selects) {
 		$this->builder->select(...$selects);
 		return $this;
 	}
 
+	#[\Override]
 	public function selectAlias($select, $alias): self {
 		$this->builder->selectAlias($select, $alias);
 		return $this;
 	}
 
+	#[\Override]
 	public function selectDistinct($select) {
 		$this->builder->selectDistinct($select);
 		return $this;
 	}
 
+	#[\Override]
 	public function addSelect(...$select) {
 		$this->builder->addSelect(...$select);
 		return $this;
 	}
 
+	#[\Override]
 	public function delete($delete = null, $alias = null) {
 		$this->builder->delete($delete, $alias);
 		return $this;
 	}
 
+	#[\Override]
 	public function update($update = null, $alias = null) {
 		$this->builder->update($update, $alias);
 		return $this;
 	}
 
+	#[\Override]
 	public function insert($insert = null) {
 		$this->builder->insert($insert);
 		return $this;
 	}
 
+	#[\Override]
 	public function from($from, $alias = null) {
 		$this->builder->from($from, $alias);
 		return $this;
 	}
 
+	#[\Override]
 	public function join($fromAlias, $join, $alias, $condition = null) {
 		$this->builder->join($fromAlias, $join, $alias, $condition);
 		return $this;
 	}
 
+	#[\Override]
 	public function innerJoin($fromAlias, $join, $alias, $condition = null) {
 		$this->builder->innerJoin($fromAlias, $join, $alias, $condition);
 		return $this;
 	}
 
+	#[\Override]
 	public function leftJoin($fromAlias, $join, $alias, $condition = null) {
 		$this->builder->leftJoin($fromAlias, $join, $alias, $condition);
 		return $this;
 	}
 
+	#[\Override]
 	public function rightJoin($fromAlias, $join, $alias, $condition = null) {
 		$this->builder->rightJoin($fromAlias, $join, $alias, $condition);
 		return $this;
 	}
 
+	#[\Override]
 	public function set($key, $value) {
 		$this->builder->set($key, $value);
 		return $this;
 	}
 
+	#[\Override]
 	public function where(...$predicates) {
 		$this->builder->where(...$predicates);
 		return $this;
 	}
 
+	#[\Override]
 	public function andWhere(...$where) {
 		$this->builder->andWhere(...$where);
 		return $this;
 	}
 
+	#[\Override]
 	public function orWhere(...$where) {
 		$this->builder->orWhere(...$where);
 		return $this;
 	}
 
+	#[\Override]
 	public function groupBy(...$groupBys) {
 		$this->builder->groupBy(...$groupBys);
 		return $this;
 	}
 
+	#[\Override]
 	public function addGroupBy(...$groupBy) {
 		$this->builder->addGroupBy(...$groupBy);
 		return $this;
 	}
 
+	#[\Override]
 	public function setValue($column, $value) {
 		$this->builder->setValue($column, $value);
 		return $this;
 	}
 
+	#[\Override]
 	public function values(array $values) {
 		$this->builder->values($values);
 		return $this;
 	}
 
+	#[\Override]
 	public function having(...$having) {
 		$this->builder->having(...$having);
 		return $this;
 	}
 
+	#[\Override]
 	public function andHaving(...$having) {
 		$this->builder->andHaving(...$having);
 		return $this;
 	}
 
+	#[\Override]
 	public function orHaving(...$having) {
 		$this->builder->orHaving(...$having);
 		return $this;
 	}
 
+	#[\Override]
 	public function orderBy($sort, $order = null) {
 		$this->builder->orderBy($sort, $order);
 		return $this;
 	}
 
+	#[\Override]
 	public function addOrderBy($sort, $order = null) {
 		$this->builder->addOrderBy($sort, $order);
 		return $this;
 	}
 
+	#[\Override]
 	public function getQueryPart($queryPartName) {
 		return $this->builder->getQueryPart($queryPartName);
 	}
 
+	#[\Override]
 	public function getQueryParts() {
 		return $this->builder->getQueryParts();
 	}
 
+	#[\Override]
 	public function resetQueryParts($queryPartNames = null) {
 		$this->builder->resetQueryParts($queryPartNames);
 		return $this;
 	}
 
+	#[\Override]
 	public function resetQueryPart($queryPartName) {
 		$this->builder->resetQueryPart($queryPartName);
 		return $this;
 	}
 
+	#[\Override]
 	public function createNamedParameter($value, $type = self::PARAM_STR, $placeHolder = null) {
 		return $this->builder->createNamedParameter($value, $type, $placeHolder);
 	}
 
+	#[\Override]
 	public function createPositionalParameter($value, $type = self::PARAM_STR) {
 		return $this->builder->createPositionalParameter($value, $type);
 	}
 
+	#[\Override]
 	public function createParameter($name) {
 		return $this->builder->createParameter($name);
 	}
 
+	#[\Override]
 	public function createFunction($call) {
 		return $this->builder->createFunction($call);
 	}
 
+	#[\Override]
 	public function getLastInsertId(): int {
 		return $this->builder->getLastInsertId();
 	}
 
+	#[\Override]
 	public function getTableName($table) {
 		return $this->builder->getTableName($table);
 	}
 
+	#[\Override]
 	public function getColumnName($column, $tableAlias = '') {
 		return $this->builder->getColumnName($column, $tableAlias);
 	}
 
+	#[\Override]
 	public function executeQuery(?IDBConnection $connection = null): IResult {
 		return $this->builder->executeQuery($connection);
 	}
 
+	#[\Override]
 	public function executeStatement(?IDBConnection $connection = null): int {
 		return $this->builder->executeStatement($connection);
 	}
 
+	#[\Override]
 	public function hintShardKey(string $column, mixed $value, bool $overwrite = false): self {
 		$this->builder->hintShardKey($column, $value, $overwrite);
 		return $this;
 	}
 
+	#[\Override]
 	public function runAcrossAllShards(): self {
 		$this->builder->runAcrossAllShards();
 		return $this;
 	}
 
+	#[\Override]
 	public function getOutputColumns(): array {
 		return $this->builder->getOutputColumns();
 	}
 
+	#[\Override]
 	public function prefixTableName(string $table): string {
 		return $this->builder->prefixTableName($table);
 	}
 
+	#[\Override]
 	public function forUpdate(ConflictResolutionMode $conflictResolutionMode = ConflictResolutionMode::Ordinary): self {
 		$this->builder->forUpdate($conflictResolutionMode);
 		return $this;
diff --git a/lib/private/DB/QueryBuilder/FunctionBuilder/FunctionBuilder.php b/lib/private/DB/QueryBuilder/FunctionBuilder/FunctionBuilder.php
index c488bb7ff95..acdf19189a7 100644
--- a/lib/private/DB/QueryBuilder/FunctionBuilder/FunctionBuilder.php
+++ b/lib/private/DB/QueryBuilder/FunctionBuilder/FunctionBuilder.php
@@ -22,10 +22,12 @@ class FunctionBuilder implements IFunctionBuilder {
 	) {
 	}
 
+	#[\Override]
 	public function md5($input): IQueryFunction {
 		return new QueryFunction('MD5(' . $this->helper->quoteColumnName($input) . ')');
 	}
 
+	#[\Override]
 	public function concat($x, ...$expr): IQueryFunction {
 		$args = func_get_args();
 		$list = [];
@@ -35,11 +37,13 @@ class FunctionBuilder implements IFunctionBuilder {
 		return new QueryFunction(sprintf('CONCAT(%s)', implode(', ', $list)));
 	}
 
+	#[\Override]
 	public function groupConcat($expr, ?string $separator = ','): IQueryFunction {
 		$separator = $this->connection->quote($separator);
 		return new QueryFunction('GROUP_CONCAT(' . $this->helper->quoteColumnName($expr) . ' SEPARATOR ' . $separator . ')');
 	}
 
+	#[\Override]
 	public function substring($input, $start, $length = null): IQueryFunction {
 		if ($length) {
 			return new QueryFunction('SUBSTR(' . $this->helper->quoteColumnName($input) . ', ' . $this->helper->quoteColumnName($start) . ', ' . $this->helper->quoteColumnName($length) . ')');
@@ -48,52 +52,63 @@ class FunctionBuilder implements IFunctionBuilder {
 		}
 	}
 
+	#[\Override]
 	public function sum($field): IQueryFunction {
 		return new QueryFunction('SUM(' . $this->helper->quoteColumnName($field) . ')');
 	}
 
+	#[\Override]
 	public function lower($field): IQueryFunction {
 		return new QueryFunction('LOWER(' . $this->helper->quoteColumnName($field) . ')');
 	}
 
+	#[\Override]
 	public function add($x, $y): IQueryFunction {
 		return new QueryFunction($this->helper->quoteColumnName($x) . ' + ' . $this->helper->quoteColumnName($y));
 	}
 
+	#[\Override]
 	public function subtract($x, $y): IQueryFunction {
 		return new QueryFunction($this->helper->quoteColumnName($x) . ' - ' . $this->helper->quoteColumnName($y));
 	}
 
+	#[\Override]
 	public function count($count = '', $alias = ''): IQueryFunction {
 		$alias = $alias ? (' AS ' . $this->helper->quoteColumnName($alias)) : '';
 		$quotedName = $count === '' ? '*' : $this->helper->quoteColumnName($count);
 		return new QueryFunction('COUNT(' . $quotedName . ')' . $alias);
 	}
 
+	#[\Override]
 	public function octetLength($field, $alias = ''): IQueryFunction {
 		$alias = $alias ? (' AS ' . $this->helper->quoteColumnName($alias)) : '';
 		$quotedName = $this->helper->quoteColumnName($field);
 		return new QueryFunction('OCTET_LENGTH(' . $quotedName . ')' . $alias);
 	}
 
+	#[\Override]
 	public function charLength($field, $alias = ''): IQueryFunction {
 		$alias = $alias ? (' AS ' . $this->helper->quoteColumnName($alias)) : '';
 		$quotedName = $this->helper->quoteColumnName($field);
 		return new QueryFunction('CHAR_LENGTH(' . $quotedName . ')' . $alias);
 	}
 
+	#[\Override]
 	public function max($field): IQueryFunction {
 		return new QueryFunction('MAX(' . $this->helper->quoteColumnName($field) . ')');
 	}
 
+	#[\Override]
 	public function min($field): IQueryFunction {
 		return new QueryFunction('MIN(' . $this->helper->quoteColumnName($field) . ')');
 	}
 
+	#[\Override]
 	public function greatest($x, $y): IQueryFunction {
 		return new QueryFunction('GREATEST(' . $this->helper->quoteColumnName($x) . ', ' . $this->helper->quoteColumnName($y) . ')');
 	}
 
+	#[\Override]
 	public function least($x, $y): IQueryFunction {
 		return new QueryFunction('LEAST(' . $this->helper->quoteColumnName($x) . ', ' . $this->helper->quoteColumnName($y) . ')');
 	}
diff --git a/lib/private/DB/QueryBuilder/FunctionBuilder/OCIFunctionBuilder.php b/lib/private/DB/QueryBuilder/FunctionBuilder/OCIFunctionBuilder.php
index 6959d13b720..606d1e6b288 100644
--- a/lib/private/DB/QueryBuilder/FunctionBuilder/OCIFunctionBuilder.php
+++ b/lib/private/DB/QueryBuilder/FunctionBuilder/OCIFunctionBuilder.php
@@ -13,6 +13,7 @@ use OCP\DB\QueryBuilder\IParameter;
 use OCP\DB\QueryBuilder\IQueryFunction;
 
 class OCIFunctionBuilder extends FunctionBuilder {
+	#[\Override]
 	public function md5($input): IQueryFunction {
 		/** @var ConnectionAdapter $co */
 		$co = $this->connection;
@@ -34,6 +35,7 @@ class OCIFunctionBuilder extends FunctionBuilder {
 	 * @param string|ILiteral|IParameter|IQueryFunction $y
 	 * @return IQueryFunction
 	 */
+	#[\Override]
 	public function greatest($x, $y): IQueryFunction {
 		if (is_string($y) || $y instanceof IQueryFunction) {
 			return parent::greatest($y, $x);
@@ -54,6 +56,7 @@ class OCIFunctionBuilder extends FunctionBuilder {
 	 * @param string|ILiteral|IParameter|IQueryFunction $y
 	 * @return IQueryFunction
 	 */
+	#[\Override]
 	public function least($x, $y): IQueryFunction {
 		if (is_string($y) || $y instanceof IQueryFunction) {
 			return parent::least($y, $x);
@@ -62,6 +65,7 @@ class OCIFunctionBuilder extends FunctionBuilder {
 		return parent::least($x, $y);
 	}
 
+	#[\Override]
 	public function concat($x, ...$expr): IQueryFunction {
 		$args = func_get_args();
 		$list = [];
@@ -71,6 +75,7 @@ class OCIFunctionBuilder extends FunctionBuilder {
 		return new QueryFunction(sprintf('(%s)', implode(' || ', $list)));
 	}
 
+	#[\Override]
 	public function groupConcat($expr, ?string $separator = ','): IQueryFunction {
 		$orderByClause = ' WITHIN GROUP(ORDER BY NULL)';
 		if (is_null($separator)) {
@@ -81,12 +86,14 @@ class OCIFunctionBuilder extends FunctionBuilder {
 		return new QueryFunction('LISTAGG(' . $this->helper->quoteColumnName($expr) . ', ' . $separator . ')' . $orderByClause);
 	}
 
+	#[\Override]
 	public function octetLength($field, $alias = ''): IQueryFunction {
 		$alias = $alias ? (' AS ' . $this->helper->quoteColumnName($alias)) : '';
 		$quotedName = $this->helper->quoteColumnName($field);
 		return new QueryFunction('COALESCE(LENGTHB(' . $quotedName . '), 0)' . $alias);
 	}
 
+	#[\Override]
 	public function charLength($field, $alias = ''): IQueryFunction {
 		$alias = $alias ? (' AS ' . $this->helper->quoteColumnName($alias)) : '';
 		$quotedName = $this->helper->quoteColumnName($field);
diff --git a/lib/private/DB/QueryBuilder/FunctionBuilder/PgSqlFunctionBuilder.php b/lib/private/DB/QueryBuilder/FunctionBuilder/PgSqlFunctionBuilder.php
index 354a2b126d7..c41f9ff1bfd 100644
--- a/lib/private/DB/QueryBuilder/FunctionBuilder/PgSqlFunctionBuilder.php
+++ b/lib/private/DB/QueryBuilder/FunctionBuilder/PgSqlFunctionBuilder.php
@@ -11,6 +11,7 @@ use OCP\DB\QueryBuilder\IQueryBuilder;
 use OCP\DB\QueryBuilder\IQueryFunction;
 
 class PgSqlFunctionBuilder extends FunctionBuilder {
+	#[\Override]
 	public function concat($x, ...$expr): IQueryFunction {
 		$args = func_get_args();
 		$list = [];
@@ -20,6 +21,7 @@ class PgSqlFunctionBuilder extends FunctionBuilder {
 		return new QueryFunction(sprintf('(%s)', implode(' || ', $list)));
 	}
 
+	#[\Override]
 	public function groupConcat($expr, ?string $separator = ','): IQueryFunction {
 		$castedExpression = $this->queryBuilder->expr()->castColumn($expr, IQueryBuilder::PARAM_STR);
 
diff --git a/lib/private/DB/QueryBuilder/FunctionBuilder/SqliteFunctionBuilder.php b/lib/private/DB/QueryBuilder/FunctionBuilder/SqliteFunctionBuilder.php
index 53aa530054b..b317d9f21b9 100644
--- a/lib/private/DB/QueryBuilder/FunctionBuilder/SqliteFunctionBuilder.php
+++ b/lib/private/DB/QueryBuilder/FunctionBuilder/SqliteFunctionBuilder.php
@@ -10,6 +10,7 @@ use OC\DB\QueryBuilder\QueryFunction;
 use OCP\DB\QueryBuilder\IQueryFunction;
 
 class SqliteFunctionBuilder extends FunctionBuilder {
+	#[\Override]
 	public function concat($x, ...$expr): IQueryFunction {
 		$args = func_get_args();
 		$list = [];
@@ -19,25 +20,30 @@ class SqliteFunctionBuilder extends FunctionBuilder {
 		return new QueryFunction(sprintf('(%s)', implode(' || ', $list)));
 	}
 
+	#[\Override]
 	public function groupConcat($expr, ?string $separator = ','): IQueryFunction {
 		$separator = $this->connection->quote($separator);
 		return new QueryFunction('GROUP_CONCAT(' . $this->helper->quoteColumnName($expr) . ', ' . $separator . ')');
 	}
 
+	#[\Override]
 	public function greatest($x, $y): IQueryFunction {
 		return new QueryFunction('MAX(' . $this->helper->quoteColumnName($x) . ', ' . $this->helper->quoteColumnName($y) . ')');
 	}
 
+	#[\Override]
 	public function least($x, $y): IQueryFunction {
 		return new QueryFunction('MIN(' . $this->helper->quoteColumnName($x) . ', ' . $this->helper->quoteColumnName($y) . ')');
 	}
 
+	#[\Override]
 	public function octetLength($field, $alias = ''): IQueryFunction {
 		$alias = $alias ? (' AS ' . $this->helper->quoteColumnName($alias)) : '';
 		$quotedName = $this->helper->quoteColumnName($field);
 		return new QueryFunction('LENGTH(CAST(' . $quotedName . ' as BLOB))' . $alias);
 	}
 
+	#[\Override]
 	public function charLength($field, $alias = ''): IQueryFunction {
 		$alias = $alias ? (' AS ' . $this->helper->quoteColumnName($alias)) : '';
 		$quotedName = $this->helper->quoteColumnName($field);
diff --git a/lib/private/DB/QueryBuilder/Partitioned/PartitionedQueryBuilder.php b/lib/private/DB/QueryBuilder/Partitioned/PartitionedQueryBuilder.php
index 2a9c2eb9124..3e66bab1f4d 100644
--- a/lib/private/DB/QueryBuilder/Partitioned/PartitionedQueryBuilder.php
+++ b/lib/private/DB/QueryBuilder/Partitioned/PartitionedQueryBuilder.php
@@ -75,6 +75,7 @@ class PartitionedQueryBuilder extends ShardedQueryBuilder {
 	}
 
 	// we need to save selects until we know all the table aliases
+	#[\Override]
 	public function select(...$selects) {
 		if (count($selects) === 1 && is_array($selects[0])) {
 			$selects = $selects[0];
@@ -84,6 +85,7 @@ class PartitionedQueryBuilder extends ShardedQueryBuilder {
 		return $this;
 	}
 
+	#[\Override]
 	public function addSelect(...$select) {
 		$select = array_map(function ($select) {
 			return ['select' => $select, 'alias' => null];
@@ -92,6 +94,7 @@ class PartitionedQueryBuilder extends ShardedQueryBuilder {
 		return $this;
 	}
 
+	#[\Override]
 	public function selectAlias($select, $alias): self {
 		$this->selects[] = ['select' => $select, 'alias' => $alias];
 		return $this;
@@ -190,6 +193,7 @@ class PartitionedQueryBuilder extends ShardedQueryBuilder {
 		return null;
 	}
 
+	#[\Override]
 	public function from($from, $alias = null) {
 		if (is_string($from) && $partition = $this->getPartition($from)) {
 			$this->mainPartition = $partition;
@@ -200,14 +204,17 @@ class PartitionedQueryBuilder extends ShardedQueryBuilder {
 		return parent::from($from, $alias);
 	}
 
+	#[\Override]
 	public function innerJoin($fromAlias, $join, $alias, $condition = null): self {
 		return $this->join($fromAlias, $join, $alias, $condition);
 	}
 
+	#[\Override]
 	public function leftJoin($fromAlias, $join, $alias, $condition = null): self {
 		return $this->join($fromAlias, $join, $alias, $condition, PartitionQuery::JOIN_MODE_LEFT);
 	}
 
+	#[\Override]
 	public function join($fromAlias, $join, $alias, $condition = null, $joinMode = PartitionQuery::JOIN_MODE_INNER): self {
 		if ($join instanceof IQueryFunction) {
 			$partition = null;
@@ -333,10 +340,12 @@ class PartitionedQueryBuilder extends ShardedQueryBuilder {
 		return $partitionPredicates;
 	}
 
+	#[\Override]
 	public function where(...$predicates) {
 		return $this->andWhere(...$predicates);
 	}
 
+	#[\Override]
 	public function andWhere(...$where) {
 		if ($where) {
 			foreach ($this->splitPredicatesByParts($where) as $alias => $predicates) {
@@ -380,18 +389,22 @@ class PartitionedQueryBuilder extends ShardedQueryBuilder {
 		return null;
 	}
 
+	#[\Override]
 	public function update($update = null, $alias = null) {
 		return parent::update($update, $alias);
 	}
 
+	#[\Override]
 	public function insert($insert = null) {
 		return parent::insert($insert);
 	}
 
+	#[\Override]
 	public function delete($delete = null, $alias = null) {
 		return parent::delete($delete, $alias);
 	}
 
+	#[\Override]
 	public function setMaxResults($maxResults) {
 		if ($maxResults > 0) {
 			$this->limit = (int)$maxResults;
@@ -399,6 +412,7 @@ class PartitionedQueryBuilder extends ShardedQueryBuilder {
 		return parent::setMaxResults($maxResults);
 	}
 
+	#[\Override]
 	public function setFirstResult($firstResult) {
 		if ($firstResult > 0) {
 			$this->offset = (int)$firstResult;
@@ -406,6 +420,7 @@ class PartitionedQueryBuilder extends ShardedQueryBuilder {
 		return parent::setFirstResult($firstResult);
 	}
 
+	#[\Override]
 	public function executeQuery(?IDBConnection $connection = null): IResult {
 		$this->applySelects();
 		if ($this->splitQueries && $this->hasPositionalParameter) {
@@ -437,6 +452,7 @@ class PartitionedQueryBuilder extends ShardedQueryBuilder {
 		}
 	}
 
+	#[\Override]
 	public function executeStatement(?IDBConnection $connection = null): int {
 		if (count($this->splitQueries)) {
 			throw new InvalidPartitionedQueryException("Partitioning write queries isn't supported");
@@ -444,6 +460,7 @@ class PartitionedQueryBuilder extends ShardedQueryBuilder {
 		return parent::executeStatement($connection);
 	}
 
+	#[\Override]
 	public function getSQL() {
 		$this->applySelects();
 		return parent::getSQL();
@@ -453,6 +470,7 @@ class PartitionedQueryBuilder extends ShardedQueryBuilder {
 		return count($this->splitQueries) + 1;
 	}
 
+	#[\Override]
 	public function hintShardKey(string $column, mixed $value, bool $overwrite = false): self {
 		if (str_contains($column, '.')) {
 			[$alias, $column] = explode('.', $column);
diff --git a/lib/private/DB/QueryBuilder/Partitioned/PartitionedResult.php b/lib/private/DB/QueryBuilder/Partitioned/PartitionedResult.php
index b3b59e26298..6fd857c5b2f 100644
--- a/lib/private/DB/QueryBuilder/Partitioned/PartitionedResult.php
+++ b/lib/private/DB/QueryBuilder/Partitioned/PartitionedResult.php
@@ -29,20 +29,24 @@ class PartitionedResult extends ArrayResult {
 		parent::__construct([]);
 	}
 
+	#[\Override]
 	public function closeCursor(): bool {
 		return $this->result->closeCursor();
 	}
 
+	#[\Override]
 	public function fetch(int $fetchMode = PDO::FETCH_ASSOC) {
 		$this->fetchRows();
 		return parent::fetch($fetchMode);
 	}
 
+	#[\Override]
 	public function fetchAll(int $fetchMode = PDO::FETCH_ASSOC): array {
 		$this->fetchRows();
 		return parent::fetchAll($fetchMode);
 	}
 
+	#[\Override]
 	public function rowCount(): int {
 		$this->fetchRows();
 		return parent::rowCount();
diff --git a/lib/private/DB/QueryBuilder/QueryBuilder.php b/lib/private/DB/QueryBuilder/QueryBuilder.php
index 1129970265c..30e85675a75 100644
--- a/lib/private/DB/QueryBuilder/QueryBuilder.php
+++ b/lib/private/DB/QueryBuilder/QueryBuilder.php
@@ -59,6 +59,7 @@ class QueryBuilder extends TypedQueryBuilder {
 	 *                      owncloud database prefix automatically.
 	 * @since 8.2.0
 	 */
+	#[\Override]
 	public function automaticTablePrefix($enabled) {
 		$this->automaticTablePrefix = (bool)$enabled;
 	}
@@ -79,6 +80,7 @@ class QueryBuilder extends TypedQueryBuilder {
 	 *
 	 * @return IExpressionBuilder
 	 */
+	#[\Override]
 	public function expr() {
 		return match($this->connection->getDatabaseProvider()) {
 			IDBConnection::PLATFORM_ORACLE => new OCIExpressionBuilder($this->connection, $this, $this->logger),
@@ -105,6 +107,7 @@ class QueryBuilder extends TypedQueryBuilder {
 	 *
 	 * @return IFunctionBuilder
 	 */
+	#[\Override]
 	public function func() {
 		return match($this->connection->getDatabaseProvider()) {
 			IDBConnection::PLATFORM_ORACLE => new OCIFunctionBuilder($this->connection, $this, $this->helper),
@@ -120,6 +123,7 @@ class QueryBuilder extends TypedQueryBuilder {
 	 *
 	 * @return integer
 	 */
+	#[\Override]
 	public function getType() {
 		return $this->queryBuilder->getType();
 	}
@@ -129,6 +133,7 @@ class QueryBuilder extends TypedQueryBuilder {
 	 *
 	 * @return IDBConnection
 	 */
+	#[\Override]
 	public function getConnection() {
 		return $this->connection;
 	}
@@ -140,6 +145,7 @@ class QueryBuilder extends TypedQueryBuilder {
 	 * @deprecated 30.0.0 This function is going to be removed with the next Doctrine/DBAL update
 	 *    and we can not fix this in our wrapper.
 	 */
+	#[\Override]
 	public function getState() {
 		$this->logger->debug(IQueryBuilder::class . '::' . __FUNCTION__ . ' is deprecated and will be removed soon.', ['exception' => new \Exception('Deprecated call to ' . __METHOD__)]);
 		return $this->queryBuilder->getState();
@@ -241,6 +247,7 @@ class QueryBuilder extends TypedQueryBuilder {
 		}
 	}
 
+	#[\Override]
 	public function executeQuery(?IDBConnection $connection = null): IResult {
 		if ($this->getType() !== \Doctrine\DBAL\Query\QueryBuilder::SELECT) {
 			throw new RuntimeException('Invalid query type, expected SELECT query');
@@ -258,6 +265,7 @@ class QueryBuilder extends TypedQueryBuilder {
 		);
 	}
 
+	#[\Override]
 	public function executeStatement(?IDBConnection $connection = null): int {
 		if ($this->getType() === \Doctrine\DBAL\Query\QueryBuilder::SELECT) {
 			throw new RuntimeException('Invalid query type, expected INSERT, DELETE or UPDATE statement');
@@ -288,6 +296,7 @@ class QueryBuilder extends TypedQueryBuilder {
 	 *
 	 * @return string The SQL query string.
 	 */
+	#[\Override]
 	public function getSQL() {
 		return $this->queryBuilder->getSQL();
 	}
@@ -309,6 +318,7 @@ class QueryBuilder extends TypedQueryBuilder {
 	 *
 	 * @return $this This QueryBuilder instance.
 	 */
+	#[\Override]
 	public function setParameter($key, $value, $type = null) {
 		$this->queryBuilder->setParameter($key, $value, $type);
 
@@ -334,6 +344,7 @@ class QueryBuilder extends TypedQueryBuilder {
 	 *
 	 * @return $this This QueryBuilder instance.
 	 */
+	#[\Override]
 	public function setParameters(array $params, array $types = []) {
 		$this->queryBuilder->setParameters($params, $types);
 
@@ -345,6 +356,7 @@ class QueryBuilder extends TypedQueryBuilder {
 	 *
 	 * @return array The currently defined query parameters indexed by parameter index or name.
 	 */
+	#[\Override]
 	public function getParameters() {
 		return $this->queryBuilder->getParameters();
 	}
@@ -356,6 +368,7 @@ class QueryBuilder extends TypedQueryBuilder {
 	 *
 	 * @return mixed The value of the bound parameter.
 	 */
+	#[\Override]
 	public function getParameter($key) {
 		return $this->queryBuilder->getParameter($key);
 	}
@@ -365,6 +378,7 @@ class QueryBuilder extends TypedQueryBuilder {
 	 *
 	 * @return array The currently defined query parameter types indexed by parameter index or name.
 	 */
+	#[\Override]
 	public function getParameterTypes() {
 		return $this->queryBuilder->getParameterTypes();
 	}
@@ -376,6 +390,7 @@ class QueryBuilder extends TypedQueryBuilder {
 	 *
 	 * @return mixed The value of the bound parameter type.
 	 */
+	#[\Override]
 	public function getParameterType($key) {
 		return $this->queryBuilder->getParameterType($key);
 	}
@@ -387,6 +402,7 @@ class QueryBuilder extends TypedQueryBuilder {
 	 *
 	 * @return $this This QueryBuilder instance.
 	 */
+	#[\Override]
 	public function setFirstResult($firstResult) {
 		$this->queryBuilder->setFirstResult((int)$firstResult);
 
@@ -399,6 +415,7 @@ class QueryBuilder extends TypedQueryBuilder {
 	 *
 	 * @return int The position of the first result.
 	 */
+	#[\Override]
 	public function getFirstResult() {
 		return $this->queryBuilder->getFirstResult();
 	}
@@ -414,6 +431,7 @@ class QueryBuilder extends TypedQueryBuilder {
 	 *
 	 * @return $this This QueryBuilder instance.
 	 */
+	#[\Override]
 	public function setMaxResults($maxResults) {
 		if ($maxResults === null) {
 			$this->queryBuilder->setMaxResults($maxResults);
@@ -430,6 +448,7 @@ class QueryBuilder extends TypedQueryBuilder {
 	 *
 	 * @return int|null The maximum number of results.
 	 */
+	#[\Override]
 	public function getMaxResults() {
 		return $this->queryBuilder->getMaxResults();
 	}
@@ -449,6 +468,7 @@ class QueryBuilder extends TypedQueryBuilder {
 	 *
 	 * '@return $this This QueryBuilder instance.
 	 */
+	#[\Override]
 	public function select(...$selects) {
 		if (count($selects) === 1 && is_array($selects[0])) {
 			$selects = $selects[0];
@@ -477,6 +497,7 @@ class QueryBuilder extends TypedQueryBuilder {
 	 *
 	 * @return $this This QueryBuilder instance.
 	 */
+	#[\Override]
 	public function selectAlias($select, $alias): self {
 		$this->queryBuilder->addSelect(
 			$this->helper->quoteColumnName($select) . ' AS ' . $this->helper->quoteColumnName($alias)
@@ -499,6 +520,7 @@ class QueryBuilder extends TypedQueryBuilder {
 	 *
 	 * @return $this This QueryBuilder instance.
 	 */
+	#[\Override]
 	public function selectDistinct($select) {
 		if (!is_array($select)) {
 			$select = [$select];
@@ -529,6 +551,7 @@ class QueryBuilder extends TypedQueryBuilder {
 	 *
 	 * @return $this This QueryBuilder instance.
 	 */
+	#[\Override]
 	public function addSelect(...$select) {
 		if (count($select) === 1 && is_array($select[0])) {
 			$select = $select[0];
@@ -558,6 +581,7 @@ class QueryBuilder extends TypedQueryBuilder {
 		}
 	}
 
+	#[\Override]
 	public function getOutputColumns(): array {
 		return array_unique($this->selectedColumns);
 	}
@@ -579,6 +603,7 @@ class QueryBuilder extends TypedQueryBuilder {
 	 * @return $this This QueryBuilder instance.
 	 * @since 30.0.0 Alias is deprecated and will no longer be used with the next Doctrine/DBAL update
 	 */
+	#[\Override]
 	public function delete($delete = null, $alias = null) {
 		if ($alias !== null) {
 			$this->logger->debug('DELETE queries with alias are no longer supported and the provided alias is ignored', ['exception' => new \InvalidArgumentException('Table alias provided for DELETE query')]);
@@ -609,6 +634,7 @@ class QueryBuilder extends TypedQueryBuilder {
 	 * @return $this This QueryBuilder instance.
 	 * @since 30.0.0 Alias is deprecated and will no longer be used with the next Doctrine/DBAL update
 	 */
+	#[\Override]
 	public function update($update = null, $alias = null) {
 		if ($alias !== null) {
 			$this->logger->debug('UPDATE queries with alias are no longer supported and the provided alias is ignored', ['exception' => new \InvalidArgumentException('Table alias provided for UPDATE query')]);
@@ -641,6 +667,7 @@ class QueryBuilder extends TypedQueryBuilder {
 	 *
 	 * @return $this This QueryBuilder instance.
 	 */
+	#[\Override]
 	public function insert($insert = null) {
 		$this->queryBuilder->insert(
 			$this->getTableName($insert)
@@ -666,6 +693,7 @@ class QueryBuilder extends TypedQueryBuilder {
 	 *
 	 * @return $this This QueryBuilder instance.
 	 */
+	#[\Override]
 	public function from($from, $alias = null) {
 		$this->queryBuilder->from(
 			$this->getTableName($from),
@@ -692,6 +720,7 @@ class QueryBuilder extends TypedQueryBuilder {
 	 *
 	 * @return $this This QueryBuilder instance.
 	 */
+	#[\Override]
 	public function join($fromAlias, $join, $alias, $condition = null) {
 		$this->queryBuilder->join(
 			$this->quoteAlias($fromAlias),
@@ -720,6 +749,7 @@ class QueryBuilder extends TypedQueryBuilder {
 	 *
 	 * @return $this This QueryBuilder instance.
 	 */
+	#[\Override]
 	public function innerJoin($fromAlias, $join, $alias, $condition = null) {
 		$this->queryBuilder->innerJoin(
 			$this->quoteAlias($fromAlias),
@@ -748,6 +778,7 @@ class QueryBuilder extends TypedQueryBuilder {
 	 *
 	 * @return $this This QueryBuilder instance.
 	 */
+	#[\Override]
 	public function leftJoin($fromAlias, $join, $alias, $condition = null) {
 		$this->queryBuilder->leftJoin(
 			$this->quoteAlias($fromAlias),
@@ -776,6 +807,7 @@ class QueryBuilder extends TypedQueryBuilder {
 	 *
 	 * @return $this This QueryBuilder instance.
 	 */
+	#[\Override]
 	public function rightJoin($fromAlias, $join, $alias, $condition = null) {
 		$this->queryBuilder->rightJoin(
 			$this->quoteAlias($fromAlias),
@@ -802,6 +834,7 @@ class QueryBuilder extends TypedQueryBuilder {
 	 *
 	 * @return $this This QueryBuilder instance.
 	 */
+	#[\Override]
 	public function set($key, $value) {
 		$this->queryBuilder->set(
 			$this->helper->quoteColumnName($key),
@@ -838,6 +871,7 @@ class QueryBuilder extends TypedQueryBuilder {
 	 *
 	 * @return $this This QueryBuilder instance.
 	 */
+	#[\Override]
 	public function where(...$predicates) {
 		if ($this->nonEmptyWhere && $this->systemConfig->getValue('debug', false)) {
 			// Only logging a warning, not throwing for now.
@@ -873,6 +907,7 @@ class QueryBuilder extends TypedQueryBuilder {
 	 *
 	 * @see where()
 	 */
+	#[\Override]
 	public function andWhere(...$where) {
 		$this->nonEmptyWhere = true;
 		call_user_func_array(
@@ -901,6 +936,7 @@ class QueryBuilder extends TypedQueryBuilder {
 	 *
 	 * @see where()
 	 */
+	#[\Override]
 	public function orWhere(...$where) {
 		$this->nonEmptyWhere = true;
 		call_user_func_array(
@@ -926,6 +962,7 @@ class QueryBuilder extends TypedQueryBuilder {
 	 *
 	 * @return $this This QueryBuilder instance.
 	 */
+	#[\Override]
 	public function groupBy(...$groupBys) {
 		if (count($groupBys) === 1 && is_array($groupBys[0])) {
 			$groupBys = $groupBys[0];
@@ -954,6 +991,7 @@ class QueryBuilder extends TypedQueryBuilder {
 	 *
 	 * @return $this This QueryBuilder instance.
 	 */
+	#[\Override]
 	public function addGroupBy(...$groupBy) {
 		call_user_func_array(
 			[$this->queryBuilder, 'addGroupBy'],
@@ -982,6 +1020,7 @@ class QueryBuilder extends TypedQueryBuilder {
 	 *
 	 * @return $this This QueryBuilder instance.
 	 */
+	#[\Override]
 	public function setValue($column, $value) {
 		$this->queryBuilder->setValue(
 			$this->helper->quoteColumnName($column),
@@ -1010,6 +1049,7 @@ class QueryBuilder extends TypedQueryBuilder {
 	 *
 	 * @return $this This QueryBuilder instance.
 	 */
+	#[\Override]
 	public function values(array $values) {
 		$quotedValues = [];
 		foreach ($values as $key => $value) {
@@ -1029,6 +1069,7 @@ class QueryBuilder extends TypedQueryBuilder {
 	 *
 	 * @return $this This QueryBuilder instance.
 	 */
+	#[\Override]
 	public function having(...$having) {
 		call_user_func_array(
 			[$this->queryBuilder, 'having'],
@@ -1046,6 +1087,7 @@ class QueryBuilder extends TypedQueryBuilder {
 	 *
 	 * @return $this This QueryBuilder instance.
 	 */
+	#[\Override]
 	public function andHaving(...$having) {
 		call_user_func_array(
 			[$this->queryBuilder, 'andHaving'],
@@ -1063,6 +1105,7 @@ class QueryBuilder extends TypedQueryBuilder {
 	 *
 	 * @return $this This QueryBuilder instance.
 	 */
+	#[\Override]
 	public function orHaving(...$having) {
 		call_user_func_array(
 			[$this->queryBuilder, 'orHaving'],
@@ -1081,6 +1124,7 @@ class QueryBuilder extends TypedQueryBuilder {
 	 *
 	 * @return $this This QueryBuilder instance.
 	 */
+	#[\Override]
 	public function orderBy($sort, $order = null) {
 		if ($order !== null && !in_array(strtoupper((string)$order), ['ASC', 'DESC'], true)) {
 			$order = null;
@@ -1102,6 +1146,7 @@ class QueryBuilder extends TypedQueryBuilder {
 	 *
 	 * @return $this This QueryBuilder instance.
 	 */
+	#[\Override]
 	public function addOrderBy($sort, $order = null) {
 		if ($order !== null && !in_array(strtoupper((string)$order), ['ASC', 'DESC'], true)) {
 			$order = null;
@@ -1124,6 +1169,7 @@ class QueryBuilder extends TypedQueryBuilder {
 	 * @deprecated 30.0.0 This function is going to be removed with the next Doctrine/DBAL update
 	 *   and we can not fix this in our wrapper. Please track the details you need, outside the object.
 	 */
+	#[\Override]
 	public function getQueryPart($queryPartName) {
 		$this->logger->debug(IQueryBuilder::class . '::' . __FUNCTION__ . ' is deprecated and will be removed soon.', ['exception' => new \Exception('Deprecated call to ' . __METHOD__)]);
 		return $this->queryBuilder->getQueryPart($queryPartName);
@@ -1136,6 +1182,7 @@ class QueryBuilder extends TypedQueryBuilder {
 	 * @deprecated 30.0.0 This function is going to be removed with the next Doctrine/DBAL update
 	 *   and we can not fix this in our wrapper. Please track the details you need, outside the object.
 	 */
+	#[\Override]
 	public function getQueryParts() {
 		$this->logger->debug(IQueryBuilder::class . '::' . __FUNCTION__ . ' is deprecated and will be removed soon.', ['exception' => new \Exception('Deprecated call to ' . __METHOD__)]);
 		return $this->queryBuilder->getQueryParts();
@@ -1150,6 +1197,7 @@ class QueryBuilder extends TypedQueryBuilder {
 	 * @deprecated 30.0.0 This function is going to be removed with the next Doctrine/DBAL update
 	 *  and we can not fix this in our wrapper. Please create a new IQueryBuilder instead.
 	 */
+	#[\Override]
 	public function resetQueryParts($queryPartNames = null) {
 		$this->logger->debug(IQueryBuilder::class . '::' . __FUNCTION__ . ' is deprecated and will be removed soon.', ['exception' => new \Exception('Deprecated call to ' . __METHOD__)]);
 		$this->queryBuilder->resetQueryParts($queryPartNames);
@@ -1166,6 +1214,7 @@ class QueryBuilder extends TypedQueryBuilder {
 	 * @deprecated 30.0.0 This function is going to be removed with the next Doctrine/DBAL update
 	 *  and we can not fix this in our wrapper. Please create a new IQueryBuilder instead.
 	 */
+	#[\Override]
 	public function resetQueryPart($queryPartName) {
 		$this->logger->debug(IQueryBuilder::class . '::' . __FUNCTION__ . ' is deprecated and will be removed soon.', ['exception' => new \Exception('Deprecated call to ' . __METHOD__)]);
 		$this->queryBuilder->resetQueryPart($queryPartName);
@@ -1202,6 +1251,7 @@ class QueryBuilder extends TypedQueryBuilder {
 	 *
 	 * @return IParameter the placeholder name used.
 	 */
+	#[\Override]
 	public function createNamedParameter($value, $type = IQueryBuilder::PARAM_STR, $placeHolder = null) {
 		return new Parameter($this->queryBuilder->createNamedParameter($value, $type, $placeHolder));
 	}
@@ -1228,6 +1278,7 @@ class QueryBuilder extends TypedQueryBuilder {
 	 *
 	 * @return IParameter
 	 */
+	#[\Override]
 	public function createPositionalParameter($value, $type = IQueryBuilder::PARAM_STR) {
 		return new Parameter($this->queryBuilder->createPositionalParameter($value, $type));
 	}
@@ -1248,6 +1299,7 @@ class QueryBuilder extends TypedQueryBuilder {
 	 *
 	 * @return IParameter
 	 */
+	#[\Override]
 	public function createParameter($name) {
 		return new Parameter(':' . $name);
 	}
@@ -1275,6 +1327,7 @@ class QueryBuilder extends TypedQueryBuilder {
 	 *
 	 * @return IQueryFunction
 	 */
+	#[\Override]
 	public function createFunction($call) {
 		return new QueryFunction($call);
 	}
@@ -1284,6 +1337,7 @@ class QueryBuilder extends TypedQueryBuilder {
 	 * @return int
 	 * @throws \BadMethodCallException When being called before an insert query has been run.
 	 */
+	#[\Override]
 	public function getLastInsertId(): int {
 		if ($this->getType() === \Doctrine\DBAL\Query\QueryBuilder::INSERT && $this->lastInsertedTable) {
 			// lastInsertId() needs the prefix but no quotes
@@ -1300,6 +1354,7 @@ class QueryBuilder extends TypedQueryBuilder {
 	 * @param string|IQueryFunction $table
 	 * @return string
 	 */
+	#[\Override]
 	public function getTableName($table) {
 		if ($table instanceof IQueryFunction) {
 			return (string)$table;
@@ -1317,6 +1372,7 @@ class QueryBuilder extends TypedQueryBuilder {
 	 * @param string $table
 	 * @return string
 	 */
+	#[\Override]
 	public function prefixTableName(string $table): string {
 		if ($this->automaticTablePrefix === false || str_starts_with($table, '*PREFIX*')) {
 			return $table;
@@ -1332,6 +1388,7 @@ class QueryBuilder extends TypedQueryBuilder {
 	 * @param string $tableAlias
 	 * @return string
 	 */
+	#[\Override]
 	public function getColumnName($column, $tableAlias = '') {
 		if ($tableAlias !== '') {
 			$tableAlias .= '.';
@@ -1358,10 +1415,12 @@ class QueryBuilder extends TypedQueryBuilder {
 		return $this->connection->escapeLikeParameter($parameter);
 	}
 
+	#[\Override]
 	public function hintShardKey(string $column, mixed $value, bool $overwrite = false): self {
 		return $this;
 	}
 
+	#[\Override]
 	public function runAcrossAllShards(): self {
 		// noop
 		return $this;
diff --git a/lib/private/DB/QueryBuilder/Sharded/HashShardMapper.php b/lib/private/DB/QueryBuilder/Sharded/HashShardMapper.php
index af778489a2d..dfa230f1473 100644
--- a/lib/private/DB/QueryBuilder/Sharded/HashShardMapper.php
+++ b/lib/private/DB/QueryBuilder/Sharded/HashShardMapper.php
@@ -14,6 +14,7 @@ use OCP\DB\QueryBuilder\Sharded\IShardMapper;
  * Map string key to an int-range by hashing the key
  */
 class HashShardMapper implements IShardMapper {
+	#[\Override]
 	public function getShardForKey(int $key, int $count): int {
 		$int = unpack('L', substr(md5((string)$key, true), 0, 4))[1];
 		return $int % $count;
diff --git a/lib/private/DB/QueryBuilder/Sharded/RoundRobinShardMapper.php b/lib/private/DB/QueryBuilder/Sharded/RoundRobinShardMapper.php
index a5694b06507..3f63dd8fbb4 100644
--- a/lib/private/DB/QueryBuilder/Sharded/RoundRobinShardMapper.php
+++ b/lib/private/DB/QueryBuilder/Sharded/RoundRobinShardMapper.php
@@ -14,6 +14,7 @@ use OCP\DB\QueryBuilder\Sharded\IShardMapper;
  * Map string key to an int-range by hashing the key
  */
 class RoundRobinShardMapper implements IShardMapper {
+	#[\Override]
 	public function getShardForKey(int $key, int $count): int {
 		return $key % $count;
 	}
diff --git a/lib/private/DB/QueryBuilder/Sharded/ShardedQueryBuilder.php b/lib/private/DB/QueryBuilder/Sharded/ShardedQueryBuilder.php
index 2694a116af4..034abd3ce20 100644
--- a/lib/private/DB/QueryBuilder/Sharded/ShardedQueryBuilder.php
+++ b/lib/private/DB/QueryBuilder/Sharded/ShardedQueryBuilder.php
@@ -83,10 +83,12 @@ class ShardedQueryBuilder extends ExtendedQueryBuilder {
 		}
 	}
 
+	#[\Override]
 	public function where(...$predicates) {
 		return $this->andWhere(...$predicates);
 	}
 
+	#[\Override]
 	public function andWhere(...$where) {
 		if ($where) {
 			foreach ($where as $predicate) {
@@ -158,6 +160,7 @@ class ShardedQueryBuilder extends ExtendedQueryBuilder {
 		return [];
 	}
 
+	#[\Override]
 	public function set($key, $value) {
 		if ($this->shardDefinition && $key === $this->shardDefinition->shardKey) {
 			$updateShardKey = $value;
@@ -165,6 +168,7 @@ class ShardedQueryBuilder extends ExtendedQueryBuilder {
 		return parent::set($key, $value);
 	}
 
+	#[\Override]
 	public function setValue($column, $value) {
 		if ($this->shardDefinition) {
 			if ($this->shardDefinition->isKey($column)) {
@@ -177,6 +181,7 @@ class ShardedQueryBuilder extends ExtendedQueryBuilder {
 		return parent::setValue($column, $value);
 	}
 
+	#[\Override]
 	public function values(array $values) {
 		foreach ($values as $column => $value) {
 			$this->setValue($column, $value);
@@ -193,6 +198,7 @@ class ShardedQueryBuilder extends ExtendedQueryBuilder {
 		}
 	}
 
+	#[\Override]
 	public function from($from, $alias = null) {
 		if (is_string($from) && $from) {
 			$this->actOnTable($from);
@@ -200,6 +206,7 @@ class ShardedQueryBuilder extends ExtendedQueryBuilder {
 		return parent::from($from, $alias);
 	}
 
+	#[\Override]
 	public function update($update = null, $alias = null) {
 		if (is_string($update) && $update) {
 			$this->actOnTable($update);
@@ -207,6 +214,7 @@ class ShardedQueryBuilder extends ExtendedQueryBuilder {
 		return parent::update($update, $alias);
 	}
 
+	#[\Override]
 	public function insert($insert = null) {
 		if (is_string($insert) && $insert) {
 			$this->insertTable = $insert;
@@ -215,6 +223,7 @@ class ShardedQueryBuilder extends ExtendedQueryBuilder {
 		return parent::insert($insert);
 	}
 
+	#[\Override]
 	public function delete($delete = null, $alias = null) {
 		if (is_string($delete) && $delete) {
 			$this->actOnTable($delete);
@@ -235,6 +244,7 @@ class ShardedQueryBuilder extends ExtendedQueryBuilder {
 		}
 	}
 
+	#[\Override]
 	public function innerJoin($fromAlias, $join, $alias, $condition = null) {
 		if (is_string($join)) {
 			$this->checkJoin($join);
@@ -242,6 +252,7 @@ class ShardedQueryBuilder extends ExtendedQueryBuilder {
 		return parent::innerJoin($fromAlias, $join, $alias, $condition);
 	}
 
+	#[\Override]
 	public function leftJoin($fromAlias, $join, $alias, $condition = null) {
 		if (is_string($join)) {
 			$this->checkJoin($join);
@@ -249,6 +260,7 @@ class ShardedQueryBuilder extends ExtendedQueryBuilder {
 		return parent::leftJoin($fromAlias, $join, $alias, $condition);
 	}
 
+	#[\Override]
 	public function rightJoin($fromAlias, $join, $alias, $condition = null) {
 		if ($this->shardDefinition) {
 			throw new InvalidShardedQueryException("Sharded query on {$this->shardDefinition->table} isn't allowed to right join");
@@ -256,10 +268,12 @@ class ShardedQueryBuilder extends ExtendedQueryBuilder {
 		return parent::rightJoin($fromAlias, $join, $alias, $condition);
 	}
 
+	#[\Override]
 	public function join($fromAlias, $join, $alias, $condition = null) {
 		return $this->innerJoin($fromAlias, $join, $alias, $condition);
 	}
 
+	#[\Override]
 	public function setMaxResults($maxResults) {
 		if ($maxResults > 0) {
 			$this->limit = (int)$maxResults;
@@ -267,6 +281,7 @@ class ShardedQueryBuilder extends ExtendedQueryBuilder {
 		return parent::setMaxResults($maxResults);
 	}
 
+	#[\Override]
 	public function setFirstResult($firstResult) {
 		if ($firstResult > 0) {
 			$this->offset = (int)$firstResult;
@@ -279,6 +294,7 @@ class ShardedQueryBuilder extends ExtendedQueryBuilder {
 		}
 	}
 
+	#[\Override]
 	public function addOrderBy($sort, $order = null) {
 		if ($order !== null && !in_array(strtoupper((string)$order), ['ASC', 'DESC'], true)) {
 			$order = null;
@@ -288,6 +304,7 @@ class ShardedQueryBuilder extends ExtendedQueryBuilder {
 		return parent::addOrderBy($sort, $order);
 	}
 
+	#[\Override]
 	public function orderBy($sort, $order = null) {
 		if ($order !== null && !in_array(strtoupper((string)$order), ['ASC', 'DESC'], true)) {
 			$order = null;
@@ -308,6 +325,7 @@ class ShardedQueryBuilder extends ExtendedQueryBuilder {
 		];
 	}
 
+	#[\Override]
 	public function hintShardKey(string $column, mixed $value, bool $overwrite = false): self {
 		if ($overwrite) {
 			$this->primaryKeys = [];
@@ -322,6 +340,7 @@ class ShardedQueryBuilder extends ExtendedQueryBuilder {
 		return $this;
 	}
 
+	#[\Override]
 	public function runAcrossAllShards(): self {
 		$this->allShards = true;
 		return $this;
@@ -364,6 +383,7 @@ class ShardedQueryBuilder extends ExtendedQueryBuilder {
 		}
 	}
 
+	#[\Override]
 	public function executeQuery(?IDBConnection $connection = null): IResult {
 		$this->validate();
 		if ($this->shardDefinition) {
@@ -373,6 +393,7 @@ class ShardedQueryBuilder extends ExtendedQueryBuilder {
 		return parent::executeQuery($connection);
 	}
 
+	#[\Override]
 	public function executeStatement(?IDBConnection $connection = null): int {
 		$this->validate();
 		if ($this->shardDefinition) {
@@ -403,6 +424,7 @@ class ShardedQueryBuilder extends ExtendedQueryBuilder {
 		return parent::executeStatement($connection);
 	}
 
+	#[\Override]
 	public function getLastInsertId(): int {
 		if ($this->lastInsertId) {
 			return $this->lastInsertId;
diff --git a/lib/private/DB/QueryBuilder/TypedQueryBuilder.php b/lib/private/DB/QueryBuilder/TypedQueryBuilder.php
index cd6a060fbab..eb3a81a0c23 100644
--- a/lib/private/DB/QueryBuilder/TypedQueryBuilder.php
+++ b/lib/private/DB/QueryBuilder/TypedQueryBuilder.php
@@ -22,6 +22,7 @@ abstract class TypedQueryBuilder implements ITypedQueryBuilder {
 		}
 	}
 
+	#[\Override]
 	public function selectColumns(string ...$columns): static {
 		foreach ($columns as $column) {
 			$this->validateColumn($column);
@@ -30,6 +31,7 @@ abstract class TypedQueryBuilder implements ITypedQueryBuilder {
 		return $this->select(...$columns);
 	}
 
+	#[\Override]
 	public function selectColumnsDistinct(string ...$columns): static {
 		foreach ($columns as $column) {
 			$this->validateColumn($column);
diff --git a/lib/private/DB/SQLiteMigrator.php b/lib/private/DB/SQLiteMigrator.php
index 160a0d6ccd7..0d178506d08 100644
--- a/lib/private/DB/SQLiteMigrator.php
+++ b/lib/private/DB/SQLiteMigrator.php
@@ -13,6 +13,7 @@ use Doctrine\DBAL\Schema\Schema;
 use Doctrine\DBAL\Schema\SchemaDiff;
 
 class SQLiteMigrator extends Migrator {
+	#[\Override]
 	protected function getDiff(Schema $targetSchema, \Doctrine\DBAL\Connection $connection): SchemaDiff {
 		foreach ($targetSchema->getTables() as $table) {
 			foreach ($table->getColumns() as $column) {
diff --git a/lib/private/DB/SQLiteSessionInit.php b/lib/private/DB/SQLiteSessionInit.php
index be6daf87b6c..ed3392e9678 100644
--- a/lib/private/DB/SQLiteSessionInit.php
+++ b/lib/private/DB/SQLiteSessionInit.php
@@ -35,6 +35,7 @@ class SQLiteSessionInit implements EventSubscriber {
 		}
 	}
 
+	#[\Override]
 	public function getSubscribedEvents(): array {
 		return [Events::postConnect];
 	}
diff --git a/lib/private/DB/SchemaWrapper.php b/lib/private/DB/SchemaWrapper.php
index 57f0caecb8d..342a246ccb2 100644
--- a/lib/private/DB/SchemaWrapper.php
+++ b/lib/private/DB/SchemaWrapper.php
@@ -50,6 +50,7 @@ class SchemaWrapper implements ISchemaWrapper {
 	 *
 	 * @return array
 	 */
+	#[\Override]
 	public function getTableNamesWithoutPrefix() {
 		$tableNames = $this->schema->getTableNames();
 		return array_map(function ($tableName) {
@@ -66,6 +67,7 @@ class SchemaWrapper implements ISchemaWrapper {
 	/**
 	 * @return array
 	 */
+	#[\Override]
 	public function getTableNames() {
 		return $this->schema->getTableNames();
 	}
@@ -76,6 +78,7 @@ class SchemaWrapper implements ISchemaWrapper {
 	 * @return \Doctrine\DBAL\Schema\Table
 	 * @throws \Doctrine\DBAL\Schema\SchemaException
 	 */
+	#[\Override]
 	public function getTable($tableName) {
 		return $this->schema->getTable($this->connection->getPrefix() . $tableName);
 	}
@@ -87,6 +90,7 @@ class SchemaWrapper implements ISchemaWrapper {
 	 *
 	 * @return boolean
 	 */
+	#[\Override]
 	public function hasTable($tableName) {
 		return $this->schema->hasTable($this->connection->getPrefix() . $tableName);
 	}
@@ -97,6 +101,7 @@ class SchemaWrapper implements ISchemaWrapper {
 	 * @param string $tableName
 	 * @return \Doctrine\DBAL\Schema\Table
 	 */
+	#[\Override]
 	public function createTable($tableName) {
 		unset($this->tablesToDelete[$tableName]);
 		return $this->schema->createTable($this->connection->getPrefix() . $tableName);
@@ -108,6 +113,7 @@ class SchemaWrapper implements ISchemaWrapper {
 	 * @param string $tableName
 	 * @return \Doctrine\DBAL\Schema\Schema
 	 */
+	#[\Override]
 	public function dropTable($tableName) {
 		$this->tablesToDelete[$tableName] = true;
 		return $this->schema->dropTable($this->connection->getPrefix() . $tableName);
@@ -118,6 +124,7 @@ class SchemaWrapper implements ISchemaWrapper {
 	 *
 	 * @return \Doctrine\DBAL\Schema\Table[]
 	 */
+	#[\Override]
 	public function getTables() {
 		return $this->schema->getTables();
 	}
@@ -129,10 +136,12 @@ class SchemaWrapper implements ISchemaWrapper {
 	 *
 	 * @throws Exception
 	 */
+	#[\Override]
 	public function getDatabasePlatform() {
 		return $this->connection->getDatabasePlatform();
 	}
 
+	#[\Override]
 	public function dropAutoincrementColumn(string $table, string $column): void {
 		$tableObj = $this->schema->getTable($this->connection->getPrefix() . $table);
 		$tableObj->modifyColumn('id', ['autoincrement' => false]);
diff --git a/lib/private/DB/SetTransactionIsolationLevel.php b/lib/private/DB/SetTransactionIsolationLevel.php
index cd18c4255e3..5e43a32c3bb 100644
--- a/lib/private/DB/SetTransactionIsolationLevel.php
+++ b/lib/private/DB/SetTransactionIsolationLevel.php
@@ -30,6 +30,7 @@ class SetTransactionIsolationLevel implements EventSubscriber {
 		}
 	}
 
+	#[\Override]
 	public function getSubscribedEvents() {
 		return [Events::postConnect];
 	}
diff --git a/lib/private/Dashboard/Manager.php b/lib/private/Dashboard/Manager.php
index d6ced08e1bb..4619a4ee5c1 100644
--- a/lib/private/Dashboard/Manager.php
+++ b/lib/private/Dashboard/Manager.php
@@ -46,6 +46,7 @@ class Manager implements IManager {
 		$this->widgets[$widget->getId()] = $widget;
 	}
 
+	#[\Override]
 	public function lazyRegisterWidget(string $widgetClass, string $appId): void {
 		$this->lazyWidgets[] = ['class' => $widgetClass, 'appId' => $appId];
 	}
@@ -125,6 +126,7 @@ class Manager implements IManager {
 	/**
 	 * @return array<string, IWidget>
 	 */
+	#[\Override]
 	public function getWidgets(): array {
 		$this->loadLazyPanels();
 		return $this->widgets;
diff --git a/lib/private/DateTimeFormatter.php b/lib/private/DateTimeFormatter.php
index 2a20c65ada3..91c84baee27 100644
--- a/lib/private/DateTimeFormatter.php
+++ b/lib/private/DateTimeFormatter.php
@@ -86,6 +86,7 @@ class DateTimeFormatter implements IDateTimeFormatter {
 	 * @param IL10N $l The locale to use
 	 * @return string Formatted date string
 	 */
+	#[\Override]
 	public function formatDate($timestamp, $format = 'long', ?\DateTimeZone $timeZone = null, ?IL10N $l = null) {
 		return $this->format($timestamp, 'date', $format, $timeZone, $l);
 	}
@@ -105,6 +106,7 @@ class DateTimeFormatter implements IDateTimeFormatter {
 	 * @param IL10N $l The locale to use
 	 * @return string Formatted relative date string
 	 */
+	#[\Override]
 	public function formatDateRelativeDay($timestamp, $format = 'long', ?\DateTimeZone $timeZone = null, ?IL10N $l = null) {
 		if (!str_ends_with($format, '^') && !str_ends_with($format, '*')) {
 			$format .= '^';
@@ -125,6 +127,7 @@ class DateTimeFormatter implements IDateTimeFormatter {
 	 *                < 13 month	=> last month, n months ago
 	 *                >= 13 month	=> last year, n years ago
 	 */
+	#[\Override]
 	public function formatDateSpan($timestamp, $baseTimestamp = null, ?IL10N $l = null) {
 		$l = $this->getLocale($l);
 		$timestamp = $this->getDateTime($timestamp);
@@ -191,6 +194,7 @@ class DateTimeFormatter implements IDateTimeFormatter {
 	 * @param IL10N $l The locale to use
 	 * @return string Formatted time string
 	 */
+	#[\Override]
 	public function formatTime($timestamp, $format = 'medium', ?\DateTimeZone $timeZone = null, ?IL10N $l = null) {
 		return $this->format($timestamp, 'time', $format, $timeZone, $l);
 	}
@@ -209,6 +213,7 @@ class DateTimeFormatter implements IDateTimeFormatter {
 	 *                < 13 month	=> last month, n months ago
 	 *                >= 13 month	=> last year, n years ago
 	 */
+	#[\Override]
 	public function formatTimeSpan($timestamp, $baseTimestamp = null, ?IL10N $l = null) {
 		$l = $this->getLocale($l);
 		$timestamp = $this->getDateTime($timestamp);
@@ -252,6 +257,7 @@ class DateTimeFormatter implements IDateTimeFormatter {
 	 * @param IL10N $l The locale to use
 	 * @return string Formatted date and time string
 	 */
+	#[\Override]
 	public function formatDateTime($timestamp, $formatDate = 'long', $formatTime = 'medium', ?\DateTimeZone $timeZone = null, ?IL10N $l = null) {
 		return $this->format($timestamp, 'datetime', $formatDate . '|' . $formatTime, $timeZone, $l);
 	}
@@ -267,6 +273,7 @@ class DateTimeFormatter implements IDateTimeFormatter {
 	 * @param IL10N $l The locale to use
 	 * @return string Formatted relative date and time string
 	 */
+	#[\Override]
 	public function formatDateTimeRelativeDay($timestamp, $formatDate = 'long', $formatTime = 'medium', ?\DateTimeZone $timeZone = null, ?IL10N $l = null) {
 		if (!str_ends_with($formatDate, '^') && !str_ends_with($formatDate, '*')) {
 			$formatDate .= '^';
diff --git a/lib/private/DateTimeZone.php b/lib/private/DateTimeZone.php
index 589d2e0a6a9..2c5e1dbab3e 100644
--- a/lib/private/DateTimeZone.php
+++ b/lib/private/DateTimeZone.php
@@ -23,6 +23,7 @@ class DateTimeZone implements IDateTimeZone {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function getTimeZone(int|false $timestamp = false, ?string $userId = null): \DateTimeZone {
 		$uid = $userId ?? $this->session->get('user_id');
 		$timezoneName = $this->config->getUserValue($uid, 'core', 'timezone', '');
@@ -41,6 +42,7 @@ class DateTimeZone implements IDateTimeZone {
 		}
 	}
 
+	#[\Override]
 	public function getDefaultTimeZone(): \DateTimeZone {
 		/** @var non-empty-string */
 		$timezone = $this->config->getSystemValueString('default_timezone', 'UTC');
diff --git a/lib/private/Diagnostics/Event.php b/lib/private/Diagnostics/Event.php
index 956d86b2693..c322f99e306 100644
--- a/lib/private/Diagnostics/Event.php
+++ b/lib/private/Diagnostics/Event.php
@@ -23,22 +23,27 @@ class Event implements IEvent {
 		$this->end = $time;
 	}
 
+	#[\Override]
 	public function getStart(): float {
 		return $this->start;
 	}
 
+	#[\Override]
 	public function getId(): string {
 		return $this->id;
 	}
 
+	#[\Override]
 	public function getDescription(): string {
 		return $this->description;
 	}
 
+	#[\Override]
 	public function getEnd(): float {
 		return $this->end ?? -1;
 	}
 
+	#[\Override]
 	public function getDuration(): float {
 		if (!$this->end) {
 			$this->end = microtime(true);
diff --git a/lib/private/Diagnostics/EventLogger.php b/lib/private/Diagnostics/EventLogger.php
index f61b470e836..996f7165f96 100644
--- a/lib/private/Diagnostics/EventLogger.php
+++ b/lib/private/Diagnostics/EventLogger.php
@@ -47,6 +47,7 @@ class EventLogger implements IEventLogger {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function start($id, $description = '') {
 		if ($this->activated) {
 			$this->events[$id] = new Event($id, $description, microtime(true));
@@ -57,6 +58,7 @@ class EventLogger implements IEventLogger {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function end($id) {
 		if ($this->activated && isset($this->events[$id])) {
 			$timing = $this->events[$id];
@@ -68,6 +70,7 @@ class EventLogger implements IEventLogger {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function log($id, $description, $start, $end) {
 		if ($this->activated) {
 			$this->events[$id] = new Event($id, $description, $start);
@@ -79,6 +82,7 @@ class EventLogger implements IEventLogger {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function getEvents() {
 		return $this->events;
 	}
@@ -86,6 +90,7 @@ class EventLogger implements IEventLogger {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function activate() {
 		$this->activated = true;
 	}
diff --git a/lib/private/Diagnostics/Query.php b/lib/private/Diagnostics/Query.php
index fd14b946883..5b687de935f 100644
--- a/lib/private/Diagnostics/Query.php
+++ b/lib/private/Diagnostics/Query.php
@@ -24,26 +24,32 @@ class Query implements IQuery {
 		$this->end = $time;
 	}
 
+	#[\Override]
 	public function getParams(): array {
 		return $this->params;
 	}
 
+	#[\Override]
 	public function getSql(): string {
 		return $this->sql;
 	}
 
+	#[\Override]
 	public function getStart(): float {
 		return $this->start;
 	}
 
+	#[\Override]
 	public function getDuration(): float {
 		return $this->end - $this->start;
 	}
 
+	#[\Override]
 	public function getStartTime(): float {
 		return $this->start;
 	}
 
+	#[\Override]
 	public function getStacktrace(): array {
 		return $this->stack;
 	}
diff --git a/lib/private/Diagnostics/QueryLogger.php b/lib/private/Diagnostics/QueryLogger.php
index 5efe99d1a74..ea378d15d11 100644
--- a/lib/private/Diagnostics/QueryLogger.php
+++ b/lib/private/Diagnostics/QueryLogger.php
@@ -32,6 +32,7 @@ class QueryLogger implements IQueryLogger {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function startQuery($sql, ?array $params = null, ?array $types = null) {
 		if ($this->activated) {
 			$this->activeQuery = new Query($sql, $params, microtime(true), $this->getStack());
@@ -49,6 +50,7 @@ class QueryLogger implements IQueryLogger {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function stopQuery() {
 		if ($this->activated && $this->activeQuery) {
 			$this->activeQuery->end(microtime(true));
@@ -61,6 +63,7 @@ class QueryLogger implements IQueryLogger {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function getQueries() {
 		return $this->queries->getData();
 	}
@@ -68,6 +71,7 @@ class QueryLogger implements IQueryLogger {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function activate() {
 		$this->activated = true;
 	}
diff --git a/lib/private/DirectEditing/Manager.php b/lib/private/DirectEditing/Manager.php
index bcb69163dbb..f3a62fc201f 100644
--- a/lib/private/DirectEditing/Manager.php
+++ b/lib/private/DirectEditing/Manager.php
@@ -58,10 +58,12 @@ class Manager implements IManager {
 		$this->l10n = $l10nFactory->get('lib');
 	}
 
+	#[\Override]
 	public function registerDirectEditor(IEditor $directEditor): void {
 		$this->editors[$directEditor->getId()] = $directEditor;
 	}
 
+	#[\Override]
 	public function getEditors(): array {
 		return $this->editors;
 	}
@@ -97,6 +99,7 @@ class Manager implements IManager {
 		return $return;
 	}
 
+	#[\Override]
 	public function create(string $path, string $editorId, string $creatorId, $templateId = null): string {
 		$userFolder = $this->rootFolder->getUserFolder($this->userId);
 		if ($userFolder->nodeExists($path)) {
@@ -160,6 +163,7 @@ class Manager implements IManager {
 		throw new \RuntimeException('No default editor found for files mimetype');
 	}
 
+	#[\Override]
 	public function edit(string $token): Response {
 		try {
 			/** @var IEditor $editor */
@@ -193,6 +197,7 @@ class Manager implements IManager {
 		return $this->editors[$editorId];
 	}
 
+	#[\Override]
 	public function getToken(string $token): IToken {
 		$query = $this->connection->getQueryBuilder();
 		$query->select('*')->from(self::TABLE_TOKENS)
@@ -204,6 +209,7 @@ class Manager implements IManager {
 		throw new \RuntimeException('Failed to validate the token');
 	}
 
+	#[\Override]
 	public function cleanup(): int {
 		$query = $this->connection->getQueryBuilder();
 		$query->delete(self::TABLE_TOKENS)
@@ -282,6 +288,7 @@ class Manager implements IManager {
 		return $file;
 	}
 
+	#[\Override]
 	public function isEnabled(): bool {
 		if (!$this->encryptionManager->isEnabled()) {
 			return true;
diff --git a/lib/private/DirectEditing/Token.php b/lib/private/DirectEditing/Token.php
index a816bf18dcc..ece88c293aa 100644
--- a/lib/private/DirectEditing/Token.php
+++ b/lib/private/DirectEditing/Token.php
@@ -16,14 +16,17 @@ class Token implements IToken {
 	) {
 	}
 
+	#[\Override]
 	public function extend(): void {
 		$this->manager->refreshToken($this->data['token']);
 	}
 
+	#[\Override]
 	public function invalidate(): void {
 		$this->manager->invalidateToken($this->data['token']);
 	}
 
+	#[\Override]
 	public function getFile(): File {
 		if ($this->data['share_id'] !== null) {
 			return $this->manager->getShareForToken($this->data['share_id']);
@@ -35,18 +38,22 @@ class Token implements IToken {
 		return $this->data['token'];
 	}
 
+	#[\Override]
 	public function useTokenScope(): void {
 		$this->manager->invokeTokenScope($this->data['user_id']);
 	}
 
+	#[\Override]
 	public function hasBeenAccessed(): bool {
 		return (bool)$this->data['accessed'];
 	}
 
+	#[\Override]
 	public function getEditor(): string {
 		return $this->data['editor_id'];
 	}
 
+	#[\Override]
 	public function getUser(): string {
 		return $this->data['user_id'];
 	}
diff --git a/lib/private/EmojiHelper.php b/lib/private/EmojiHelper.php
index d305fc24799..7f1046d6f2d 100644
--- a/lib/private/EmojiHelper.php
+++ b/lib/private/EmojiHelper.php
@@ -17,11 +17,13 @@ class EmojiHelper implements IEmojiHelper {
 	) {
 	}
 
+	#[\Override]
 	public function doesPlatformSupportEmoji(): bool {
 		return $this->db->supports4ByteText()
 			&& \class_exists(\IntlBreakIterator::class);
 	}
 
+	#[\Override]
 	public function isValidSingleEmoji(string $emoji): bool {
 		$intlBreakIterator = \IntlBreakIterator::createCharacterInstance();
 		$intlBreakIterator->setText($emoji);
diff --git a/lib/private/Encryption/EncryptionEventListener.php b/lib/private/Encryption/EncryptionEventListener.php
index ddd0eaa475c..d60a651a91f 100644
--- a/lib/private/Encryption/EncryptionEventListener.php
+++ b/lib/private/Encryption/EncryptionEventListener.php
@@ -48,6 +48,7 @@ class EncryptionEventListener implements IEventListener {
 		$dispatcher->addServiceListener(NodeRestoredEvent::class, static::class);
 	}
 
+	#[\Override]
 	public function handle(Event $event): void {
 		if (!$this->encryptionManager->isEnabled()) {
 			return;
diff --git a/lib/private/Encryption/File.php b/lib/private/Encryption/File.php
index 8da0bcfcc0d..6b4b7528bf3 100644
--- a/lib/private/Encryption/File.php
+++ b/lib/private/Encryption/File.php
@@ -47,6 +47,7 @@ class File implements IFile {
 	 * @param string $path to the file
 	 * @return array{users: string[], public: bool}
 	 */
+	#[\Override]
 	public function getAccessList($path) {
 		// Make sure that a share key is generated for the owner too
 		[$owner, $ownerPath] = $this->util->getUidAndFilename($path);
diff --git a/lib/private/Encryption/Keys/Storage.php b/lib/private/Encryption/Keys/Storage.php
index d1d225cd573..48a5bc1bdc3 100644
--- a/lib/private/Encryption/Keys/Storage.php
+++ b/lib/private/Encryption/Keys/Storage.php
@@ -42,6 +42,7 @@ class Storage implements IStorage {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function getUserKey($uid, $keyId, $encryptionModuleId) {
 		$path = $this->constructUserKeyPath($encryptionModuleId, $keyId, $uid);
 		return base64_decode($this->getKeyWithUid($path, $uid));
@@ -50,6 +51,7 @@ class Storage implements IStorage {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function getFileKey($path, $keyId, $encryptionModuleId) {
 		$realFile = $this->util->stripPartialFileExtension($path);
 		$keyDir = $this->util->getFileKeyDir($encryptionModuleId, $realFile);
@@ -69,6 +71,7 @@ class Storage implements IStorage {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function getSystemUserKey($keyId, $encryptionModuleId) {
 		$path = $this->constructUserKeyPath($encryptionModuleId, $keyId, null);
 		return base64_decode($this->getKeyWithUid($path, null));
@@ -77,6 +80,7 @@ class Storage implements IStorage {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function setUserKey($uid, $keyId, $key, $encryptionModuleId) {
 		$path = $this->constructUserKeyPath($encryptionModuleId, $keyId, $uid);
 		return $this->setKey($path, [
@@ -88,6 +92,7 @@ class Storage implements IStorage {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function setFileKey($path, $keyId, $key, $encryptionModuleId) {
 		$keyDir = $this->util->getFileKeyDir($encryptionModuleId, $path);
 		return $this->setKey($keyDir . $keyId, [
@@ -98,6 +103,7 @@ class Storage implements IStorage {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function setSystemUserKey($keyId, $key, $encryptionModuleId) {
 		$path = $this->constructUserKeyPath($encryptionModuleId, $keyId, null);
 		return $this->setKey($path, [
@@ -109,6 +115,7 @@ class Storage implements IStorage {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function deleteUserKey($uid, $keyId, $encryptionModuleId) {
 		try {
 			$path = $this->constructUserKeyPath($encryptionModuleId, $keyId, $uid);
@@ -130,6 +137,7 @@ class Storage implements IStorage {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function deleteFileKey($path, $keyId, $encryptionModuleId) {
 		$keyDir = $this->util->getFileKeyDir($encryptionModuleId, $path);
 		return !$this->view->file_exists($keyDir . $keyId) || $this->view->unlink($keyDir . $keyId);
@@ -138,6 +146,7 @@ class Storage implements IStorage {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function deleteAllFileKeys($path) {
 		$keyDir = $this->util->getFileKeyDir('', $path);
 		return !$this->view->file_exists($keyDir) || $this->view->deleteAll($keyDir);
@@ -146,6 +155,7 @@ class Storage implements IStorage {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function deleteSystemUserKey($keyId, $encryptionModuleId) {
 		$path = $this->constructUserKeyPath($encryptionModuleId, $keyId, null);
 		return !$this->view->file_exists($path) || $this->view->unlink($path);
@@ -316,6 +326,7 @@ class Storage implements IStorage {
 	 * @param string $target
 	 * @return boolean
 	 */
+	#[\Override]
 	public function renameKeys($source, $target) {
 		$sourcePath = $this->getPathToKeys($source);
 		$targetPath = $this->getPathToKeys($target);
@@ -338,6 +349,7 @@ class Storage implements IStorage {
 	 * @param string $target
 	 * @return boolean
 	 */
+	#[\Override]
 	public function copyKeys($source, $target) {
 		$sourcePath = $this->getPathToKeys($source);
 		$targetPath = $this->getPathToKeys($target);
@@ -360,6 +372,7 @@ class Storage implements IStorage {
 	 * @return bool
 	 * @since 12.0.0
 	 */
+	#[\Override]
 	public function backupUserKeys($encryptionModuleId, $purpose, $uid) {
 		$source = $uid . $this->encryption_base_dir . '/' . $encryptionModuleId;
 		$backupDir = $uid . $this->backup_base_dir;
diff --git a/lib/private/Encryption/Manager.php b/lib/private/Encryption/Manager.php
index a357ae0a150..ac27f0911b8 100644
--- a/lib/private/Encryption/Manager.php
+++ b/lib/private/Encryption/Manager.php
@@ -41,6 +41,7 @@ class Manager implements IManager {
 	 *
 	 * @return bool true if enabled, false if not
 	 */
+	#[\Override]
 	public function isEnabled() {
 		$installed = $this->config->getSystemValueBool('installed', false);
 		if (!$installed) {
@@ -92,6 +93,7 @@ class Manager implements IManager {
 	 * @param callable $callback
 	 * @throws Exceptions\ModuleAlreadyExistsException
 	 */
+	#[\Override]
 	public function registerEncryptionModule($id, $displayName, callable $callback) {
 		if (isset($this->encryptionModules[$id])) {
 			throw new ModuleAlreadyExistsException($id, $displayName);
@@ -115,6 +117,7 @@ class Manager implements IManager {
 	 *
 	 * @param string $moduleId
 	 */
+	#[\Override]
 	public function unregisterEncryptionModule($moduleId) {
 		unset($this->encryptionModules[$moduleId]);
 	}
@@ -124,6 +127,7 @@ class Manager implements IManager {
 	 *
 	 * @return array [id => ['id' => $id, 'displayName' => $displayName, 'callback' => callback]]
 	 */
+	#[\Override]
 	public function getEncryptionModules() {
 		return $this->encryptionModules;
 	}
@@ -135,6 +139,7 @@ class Manager implements IManager {
 	 * @return IEncryptionModule
 	 * @throws Exceptions\ModuleDoesNotExistsException
 	 */
+	#[\Override]
 	public function getEncryptionModule($moduleId = '') {
 		if (empty($moduleId)) {
 			return $this->getDefaultEncryptionModule();
@@ -172,6 +177,7 @@ class Manager implements IManager {
 	 * @param string $moduleId
 	 * @return bool
 	 */
+	#[\Override]
 	public function setDefaultEncryptionModule($moduleId) {
 		try {
 			$this->getEncryptionModule($moduleId);
@@ -188,6 +194,7 @@ class Manager implements IManager {
 	 *
 	 * @return string
 	 */
+	#[\Override]
 	public function getDefaultEncryptionModuleId() {
 		return $this->config->getAppValue('core', 'default_encryption_module');
 	}
diff --git a/lib/private/EventDispatcher/EventDispatcher.php b/lib/private/EventDispatcher/EventDispatcher.php
index 4c87271009a..5bba7747c8a 100644
--- a/lib/private/EventDispatcher/EventDispatcher.php
+++ b/lib/private/EventDispatcher/EventDispatcher.php
@@ -33,17 +33,20 @@ class EventDispatcher implements IEventDispatcher {
 		}
 	}
 
+	#[\Override]
 	public function addListener(string $eventName,
 		callable $listener,
 		int $priority = 0): void {
 		$this->dispatcher->addListener($eventName, $listener, $priority);
 	}
 
+	#[\Override]
 	public function removeListener(string $eventName,
 		callable $listener): void {
 		$this->dispatcher->removeListener($eventName, $listener);
 	}
 
+	#[\Override]
 	public function addServiceListener(string $eventName,
 		string $className,
 		int $priority = 0): void {
@@ -56,6 +59,7 @@ class EventDispatcher implements IEventDispatcher {
 		$this->addListener($eventName, $listener, $priority);
 	}
 
+	#[\Override]
 	public function hasListeners(string $eventName): bool {
 		return $this->dispatcher->hasListeners($eventName);
 	}
@@ -63,6 +67,7 @@ class EventDispatcher implements IEventDispatcher {
 	/**
 	 * @deprecated
 	 */
+	#[\Override]
 	public function dispatch(string $eventName,
 		Event $event): void {
 		$this->dispatcher->dispatch($event, $eventName);
@@ -76,6 +81,7 @@ class EventDispatcher implements IEventDispatcher {
 		}
 	}
 
+	#[\Override]
 	public function dispatchTyped(Event $event): void {
 		$this->dispatch(get_class($event), $event);
 	}
diff --git a/lib/private/EventSource.php b/lib/private/EventSource.php
index 214de5ca6fe..0876a440465 100644
--- a/lib/private/EventSource.php
+++ b/lib/private/EventSource.php
@@ -46,6 +46,7 @@ class EventSource implements IEventSource {
 	 * @throws \BadMethodCallException
 	 * @suppress PhanDeprecatedFunction
 	 */
+	#[\Override]
 	public function send(string $type, mixed $data = null): void {
 		if ($data && !preg_match('/^[A-Za-z0-9_]+$/', $type)) {
 			throw new \BadMethodCallException('Type needs to be alphanumeric (' . $type . ')');
@@ -63,6 +64,7 @@ class EventSource implements IEventSource {
 		flush();
 	}
 
+	#[\Override]
 	public function close(): void {
 		$this->send('__internal__', 'close'); //server side closing can be an issue, let the client do it
 	}
diff --git a/lib/private/EventSourceFactory.php b/lib/private/EventSourceFactory.php
index 57888b1be4c..2f23466be68 100644
--- a/lib/private/EventSourceFactory.php
+++ b/lib/private/EventSourceFactory.php
@@ -19,6 +19,7 @@ class EventSourceFactory implements IEventSourceFactory {
 	) {
 	}
 
+	#[\Override]
 	public function create(): IEventSource {
 		return new EventSource($this->request);
 	}
diff --git a/lib/private/Federation/CloudFederationFactory.php b/lib/private/Federation/CloudFederationFactory.php
index d06de0f2f58..f183fa3e87d 100644
--- a/lib/private/Federation/CloudFederationFactory.php
+++ b/lib/private/Federation/CloudFederationFactory.php
@@ -29,6 +29,7 @@ class CloudFederationFactory implements ICloudFederationFactory {
 	 *
 	 * @since 14.0.0
 	 */
+	#[\Override]
 	public function getCloudFederationShare($shareWith, $name, $description, $providerId, $owner, $ownerDisplayName, $sharedBy, $sharedByDisplayName, $sharedSecret, $shareType, $resourceType) {
 		return new CloudFederationShare($shareWith, $name, $description, $providerId, $owner, $ownerDisplayName, $sharedBy, $sharedByDisplayName, $shareType, $resourceType, $sharedSecret);
 	}
@@ -41,6 +42,7 @@ class CloudFederationFactory implements ICloudFederationFactory {
 	 *
 	 * @since 14.0.0
 	 */
+	#[\Override]
 	public function getCloudFederationNotification() {
 		return new CloudFederationNotification();
 	}
diff --git a/lib/private/Federation/CloudFederationNotification.php b/lib/private/Federation/CloudFederationNotification.php
index e0694c184af..b5ecd468814 100644
--- a/lib/private/Federation/CloudFederationNotification.php
+++ b/lib/private/Federation/CloudFederationNotification.php
@@ -30,6 +30,7 @@ class CloudFederationNotification implements ICloudFederationNotification {
 	 *
 	 * @since 14.0.0
 	 */
+	#[\Override]
 	public function setMessage($notificationType, $resourceType, $providerId, array $notification) {
 		$this->message = [
 			'notificationType' => $notificationType,
@@ -46,6 +47,7 @@ class CloudFederationNotification implements ICloudFederationNotification {
 	 *
 	 * @since 14.0.0
 	 */
+	#[\Override]
 	public function getMessage() {
 		return $this->message;
 	}
diff --git a/lib/private/Federation/CloudFederationProviderManager.php b/lib/private/Federation/CloudFederationProviderManager.php
index f0dcf8ce411..77d225a49b3 100644
--- a/lib/private/Federation/CloudFederationProviderManager.php
+++ b/lib/private/Federation/CloudFederationProviderManager.php
@@ -60,6 +60,7 @@ class CloudFederationProviderManager implements ICloudFederationProviderManager
 	 * @param string $displayName user facing name of the federated share provider
 	 * @param callable $callback
 	 */
+	#[\Override]
 	public function addCloudFederationProvider($resourceType, $displayName, callable $callback) {
 		$this->cloudFederationProvider[$resourceType] = [
 			'resourceType' => $resourceType,
@@ -73,6 +74,7 @@ class CloudFederationProviderManager implements ICloudFederationProviderManager
 	 *
 	 * @param string $providerId
 	 */
+	#[\Override]
 	public function removeCloudFederationProvider($providerId) {
 		unset($this->cloudFederationProvider[$providerId]);
 	}
@@ -82,6 +84,7 @@ class CloudFederationProviderManager implements ICloudFederationProviderManager
 	 *
 	 * @return array [resourceType => ['resourceType' => $resourceType, 'displayName' => $displayName, 'callback' => callback]]
 	 */
+	#[\Override]
 	public function getAllCloudFederationProviders() {
 		return $this->cloudFederationProvider;
 	}
@@ -93,6 +96,7 @@ class CloudFederationProviderManager implements ICloudFederationProviderManager
 	 * @return ICloudFederationProvider
 	 * @throws ProviderDoesNotExistsException
 	 */
+	#[\Override]
 	public function getCloudFederationProvider($resourceType) {
 		if (isset($this->cloudFederationProvider[$resourceType])) {
 			return call_user_func($this->cloudFederationProvider[$resourceType]['callback']);
@@ -104,6 +108,7 @@ class CloudFederationProviderManager implements ICloudFederationProviderManager
 	/**
 	 * @deprecated 29.0.0 - Use {@see sendCloudShare()} instead and handle errors manually
 	 */
+	#[\Override]
 	public function sendShare(ICloudFederationShare $share) {
 		$cloudID = $this->cloudIdManager->resolveCloudId($share->getShareWith());
 		try {
@@ -135,6 +140,7 @@ class CloudFederationProviderManager implements ICloudFederationProviderManager
 	 * @return IResponse
 	 * @throws OCMProviderException
 	 */
+	#[\Override]
 	public function sendCloudShare(ICloudFederationShare $share): IResponse {
 		$cloudID = $this->cloudIdManager->resolveCloudId($share->getShareWith());
 		$client = $this->httpClientService->newClient();
@@ -156,6 +162,7 @@ class CloudFederationProviderManager implements ICloudFederationProviderManager
 	 * @return array|false
 	 * @deprecated 29.0.0 - Use {@see sendCloudNotification()} instead and handle errors manually
 	 */
+	#[\Override]
 	public function sendNotification($url, ICloudFederationNotification $notification) {
 		try {
 			try {
@@ -181,6 +188,7 @@ class CloudFederationProviderManager implements ICloudFederationProviderManager
 	 * @return IResponse
 	 * @throws OCMProviderException
 	 */
+	#[\Override]
 	public function sendCloudNotification(string $url, ICloudFederationNotification $notification): IResponse {
 		$client = $this->httpClientService->newClient();
 		try {
@@ -200,6 +208,7 @@ class CloudFederationProviderManager implements ICloudFederationProviderManager
 	 *
 	 * @return bool
 	 */
+	#[\Override]
 	public function isReady() {
 		return $this->appManager->isEnabledForUser('cloud_federation_api');
 	}
diff --git a/lib/private/Federation/CloudFederationShare.php b/lib/private/Federation/CloudFederationShare.php
index 6bd35cea763..311a0ee7f5b 100644
--- a/lib/private/Federation/CloudFederationShare.php
+++ b/lib/private/Federation/CloudFederationShare.php
@@ -79,6 +79,7 @@ class CloudFederationShare implements ICloudFederationShare {
 	 *
 	 * @since 14.0.0
 	 */
+	#[\Override]
 	public function setShareWith($user) {
 		$this->share['shareWith'] = $user;
 	}
@@ -90,6 +91,7 @@ class CloudFederationShare implements ICloudFederationShare {
 	 *
 	 * @since 14.0.0
 	 */
+	#[\Override]
 	public function setResourceName($name) {
 		$this->share['name'] = $name;
 	}
@@ -101,6 +103,7 @@ class CloudFederationShare implements ICloudFederationShare {
 	 *
 	 * @since 14.0.0
 	 */
+	#[\Override]
 	public function setResourceType($resourceType) {
 		$this->share['resourceType'] = $resourceType;
 	}
@@ -112,6 +115,7 @@ class CloudFederationShare implements ICloudFederationShare {
 	 *
 	 * @since 14.0.0
 	 */
+	#[\Override]
 	public function setDescription($description) {
 		$this->share['description'] = $description;
 	}
@@ -123,6 +127,7 @@ class CloudFederationShare implements ICloudFederationShare {
 	 *
 	 * @since 14.0.0
 	 */
+	#[\Override]
 	public function setProviderId($providerId) {
 		$this->share['providerId'] = (string)$providerId;
 	}
@@ -134,6 +139,7 @@ class CloudFederationShare implements ICloudFederationShare {
 	 *
 	 * @since 14.0.0
 	 */
+	#[\Override]
 	public function setOwner($owner) {
 		$this->share['owner'] = $owner;
 	}
@@ -145,6 +151,7 @@ class CloudFederationShare implements ICloudFederationShare {
 	 *
 	 * @since 14.0.0
 	 */
+	#[\Override]
 	public function setOwnerDisplayName($ownerDisplayName) {
 		$this->share['ownerDisplayName'] = $ownerDisplayName;
 	}
@@ -156,6 +163,7 @@ class CloudFederationShare implements ICloudFederationShare {
 	 *
 	 * @since 14.0.0
 	 */
+	#[\Override]
 	public function setSharedBy($sharedBy) {
 		$this->share['sharedBy'] = $sharedBy;
 		$this->share['sender'] = $sharedBy;
@@ -168,6 +176,7 @@ class CloudFederationShare implements ICloudFederationShare {
 	 *
 	 * @since 14.0.0
 	 */
+	#[\Override]
 	public function setSharedByDisplayName($sharedByDisplayName) {
 		$this->share['sharedByDisplayName'] = $sharedByDisplayName;
 		$this->share['senderDisplayName'] = $sharedByDisplayName;
@@ -180,6 +189,7 @@ class CloudFederationShare implements ICloudFederationShare {
 	 *
 	 * @since 14.0.0
 	 */
+	#[\Override]
 	public function setProtocol(array $protocol) {
 		$this->share['protocol'] = $protocol;
 	}
@@ -191,6 +201,7 @@ class CloudFederationShare implements ICloudFederationShare {
 	 *
 	 * @since 14.0.0
 	 */
+	#[\Override]
 	public function setShareType($shareType) {
 		if ($shareType === 'group' || $shareType === IShare::TYPE_REMOTE_GROUP) {
 			$this->share['shareType'] = 'group';
@@ -206,6 +217,7 @@ class CloudFederationShare implements ICloudFederationShare {
 	 *
 	 * @since 14.0.0
 	 */
+	#[\Override]
 	public function getShare() {
 		return $this->share;
 	}
@@ -217,6 +229,7 @@ class CloudFederationShare implements ICloudFederationShare {
 	 *
 	 * @since 14.0.0
 	 */
+	#[\Override]
 	public function getShareWith() {
 		return $this->share['shareWith'];
 	}
@@ -228,6 +241,7 @@ class CloudFederationShare implements ICloudFederationShare {
 	 *
 	 * @since 14.0.0
 	 */
+	#[\Override]
 	public function getResourceName() {
 		return $this->share['name'];
 	}
@@ -239,6 +253,7 @@ class CloudFederationShare implements ICloudFederationShare {
 	 *
 	 * @since 14.0.0
 	 */
+	#[\Override]
 	public function getResourceType() {
 		return $this->share['resourceType'];
 	}
@@ -250,6 +265,7 @@ class CloudFederationShare implements ICloudFederationShare {
 	 *
 	 * @since 14.0.0
 	 */
+	#[\Override]
 	public function getDescription() {
 		return $this->share['description'];
 	}
@@ -261,6 +277,7 @@ class CloudFederationShare implements ICloudFederationShare {
 	 *
 	 * @since 14.0.0
 	 */
+	#[\Override]
 	public function getProviderId() {
 		return $this->share['providerId'];
 	}
@@ -272,6 +289,7 @@ class CloudFederationShare implements ICloudFederationShare {
 	 *
 	 * @since 14.0.0
 	 */
+	#[\Override]
 	public function getOwner() {
 		return $this->share['owner'];
 	}
@@ -283,6 +301,7 @@ class CloudFederationShare implements ICloudFederationShare {
 	 *
 	 * @since 14.0.0
 	 */
+	#[\Override]
 	public function getOwnerDisplayName() {
 		return $this->share['ownerDisplayName'];
 	}
@@ -294,6 +313,7 @@ class CloudFederationShare implements ICloudFederationShare {
 	 *
 	 * @since 14.0.0
 	 */
+	#[\Override]
 	public function getSharedBy() {
 		return $this->share['sharedBy'];
 	}
@@ -305,6 +325,7 @@ class CloudFederationShare implements ICloudFederationShare {
 	 *
 	 * @since 14.0.0
 	 */
+	#[\Override]
 	public function getSharedByDisplayName() {
 		return $this->share['sharedByDisplayName'];
 	}
@@ -316,6 +337,7 @@ class CloudFederationShare implements ICloudFederationShare {
 	 *
 	 * @since 14.0.0
 	 */
+	#[\Override]
 	public function getShareType() {
 		return $this->share['shareType'];
 	}
@@ -327,6 +349,7 @@ class CloudFederationShare implements ICloudFederationShare {
 	 *
 	 * @since 14.0.0
 	 */
+	#[\Override]
 	public function getShareSecret() {
 		return $this->share['protocol']['options']['sharedSecret'];
 	}
@@ -338,6 +361,7 @@ class CloudFederationShare implements ICloudFederationShare {
 	 *
 	 * @since 14.0.0
 	 */
+	#[\Override]
 	public function getProtocol() {
 		return $this->share['protocol'];
 	}
diff --git a/lib/private/Federation/CloudId.php b/lib/private/Federation/CloudId.php
index 643524b3acd..9150d89d4d9 100644
--- a/lib/private/Federation/CloudId.php
+++ b/lib/private/Federation/CloudId.php
@@ -26,10 +26,12 @@ class CloudId implements ICloudId {
 	 *
 	 * @return string
 	 */
+	#[\Override]
 	public function getId(): string {
 		return $this->id;
 	}
 
+	#[\Override]
 	public function getDisplayId(): string {
 		if ($this->displayName === null) {
 			/** @var CloudIdManager $cloudIdManager */
@@ -50,6 +52,7 @@ class CloudId implements ICloudId {
 	 *
 	 * @return string
 	 */
+	#[\Override]
 	public function getUser(): string {
 		return $this->user;
 	}
@@ -59,6 +62,7 @@ class CloudId implements ICloudId {
 	 *
 	 * @return string
 	 */
+	#[\Override]
 	public function getRemote(): string {
 		return $this->remote;
 	}
diff --git a/lib/private/Federation/CloudIdManager.php b/lib/private/Federation/CloudIdManager.php
index b0996d5179c..57217af524e 100644
--- a/lib/private/Federation/CloudIdManager.php
+++ b/lib/private/Federation/CloudIdManager.php
@@ -71,6 +71,7 @@ class CloudIdManager implements ICloudIdManager {
 	 * @return ICloudId
 	 * @throws \InvalidArgumentException
 	 */
+	#[\Override]
 	public function resolveCloudId(string $cloudId): ICloudId {
 		// TODO magic here to get the url and user instead of just splitting on @
 
@@ -189,6 +190,7 @@ class CloudIdManager implements ICloudIdManager {
 	 * @param string|null $remote
 	 * @return CloudId
 	 */
+	#[\Override]
 	public function getCloudId(string $user, ?string $remote): ICloudId {
 		$isLocal = $remote === null;
 		if ($isLocal) {
@@ -234,6 +236,7 @@ class CloudIdManager implements ICloudIdManager {
 	 * @param string $url
 	 * @return string
 	 */
+	#[\Override]
 	public function removeProtocolFromUrl(string $url, bool $httpsOnly = false): string {
 		if (str_starts_with($url, 'https://')) {
 			return substr($url, 8);
@@ -279,6 +282,7 @@ class CloudIdManager implements ICloudIdManager {
 	 * @param string $cloudId
 	 * @return bool
 	 */
+	#[\Override]
 	public function isValidCloudId(string $cloudId): bool {
 		foreach ($this->cloudIdResolvers as $resolver) {
 			if ($resolver->isValidCloudId($cloudId)) {
@@ -289,14 +293,17 @@ class CloudIdManager implements ICloudIdManager {
 		return strpos($cloudId, '@') !== false;
 	}
 
+	#[\Override]
 	public function createCloudId(string $id, string $user, string $remote, ?string $displayName = null): ICloudId {
 		return new CloudId($id, $user, $remote, $displayName);
 	}
 
+	#[\Override]
 	public function registerCloudIdResolver(ICloudIdResolver $resolver): void {
 		array_unshift($this->cloudIdResolvers, $resolver);
 	}
 
+	#[\Override]
 	public function unregisterCloudIdResolver(ICloudIdResolver $resolver): void {
 		if (($key = array_search($resolver, $this->cloudIdResolvers)) !== false) {
 			array_splice($this->cloudIdResolvers, $key, 1);
diff --git a/lib/private/Files/AppData/AppData.php b/lib/private/Files/AppData/AppData.php
index 5bea7ec470c..b4e8d51d438 100644
--- a/lib/private/Files/AppData/AppData.php
+++ b/lib/private/Files/AppData/AppData.php
@@ -85,6 +85,7 @@ class AppData implements IAppData {
 		return $this->folder;
 	}
 
+	#[\Override]
 	public function getFolder(string $name): ISimpleFolder {
 		$key = $this->appId . '/' . $name;
 		if ($cachedFolder = $this->folders->get($key)) {
@@ -113,6 +114,7 @@ class AppData implements IAppData {
 		return $folder;
 	}
 
+	#[\Override]
 	public function newFolder(string $name): ISimpleFolder {
 		$key = $this->appId . '/' . $name;
 		$folder = $this->getAppDataFolder()->newFolder($name);
@@ -122,6 +124,7 @@ class AppData implements IAppData {
 		return $simpleFolder;
 	}
 
+	#[\Override]
 	public function getDirectoryListing(): array {
 		$listing = $this->getAppDataFolder()->getDirectoryListing();
 
diff --git a/lib/private/Files/AppData/Factory.php b/lib/private/Files/AppData/Factory.php
index 75d20e454e5..cf436b54ea3 100644
--- a/lib/private/Files/AppData/Factory.php
+++ b/lib/private/Files/AppData/Factory.php
@@ -23,6 +23,7 @@ class Factory implements IAppDataFactory {
 	) {
 	}
 
+	#[\Override]
 	public function get(string $appId): IAppData {
 		if (!isset($this->folders[$appId])) {
 			$this->folders[$appId] = new AppData($this->rootFolder, $this->config, $appId);
diff --git a/lib/private/Files/Cache/Cache.php b/lib/private/Files/Cache/Cache.php
index 96b0c413e4d..6676d93a5f8 100644
--- a/lib/private/Files/Cache/Cache.php
+++ b/lib/private/Files/Cache/Cache.php
@@ -110,6 +110,7 @@ class Cache implements ICache {
 	 *
 	 * @return int
 	 */
+	#[\Override]
 	public function getNumericStorageId() {
 		return $this->storageCache->getNumericId();
 	}
@@ -120,6 +121,7 @@ class Cache implements ICache {
 	 * @param string|int $file either the path of a file or folder or the file id for a file or folder
 	 * @return ICacheEntry|false the cache entry as array or false if the file is not found in the cache
 	 */
+	#[\Override]
 	public function get($file) {
 		$query = $this->getQueryBuilder();
 		$query->selectFileCache();
@@ -251,6 +253,7 @@ class Cache implements ICache {
 	 * @return int file id
 	 * @throws \RuntimeException
 	 */
+	#[\Override]
 	public function put($file, array $data) {
 		// do not carry over creation_time to file versions, as each new version would otherwise
 		// create a filecache_extended entry with the same creation_time as the original file
@@ -275,6 +278,7 @@ class Cache implements ICache {
 	 * @return int file id
 	 * @throws \RuntimeException|Exception
 	 */
+	#[\Override]
 	public function insert($file, array $data) {
 		// normalize file
 		$file = $this->normalize($file);
@@ -360,6 +364,7 @@ class Cache implements ICache {
 	 * @param int $id the fileid of the existing file or folder
 	 * @param array $data [$key => $value] the metadata to update, only the fields provided in the array will be updated, non-provided values will remain unchanged
 	 */
+	#[\Override]
 	public function update($id, array $data) {
 		if (isset($data['path'])) {
 			// normalize path
@@ -496,6 +501,7 @@ class Cache implements ICache {
 	 * @param string $file
 	 * @return int
 	 */
+	#[\Override]
 	public function getId($file) {
 		// normalize file
 		$file = $this->normalize($file);
@@ -519,6 +525,7 @@ class Cache implements ICache {
 	 * @param string $file
 	 * @return int
 	 */
+	#[\Override]
 	public function getParentId($file) {
 		if ($file === '') {
 			return -1;
@@ -542,6 +549,7 @@ class Cache implements ICache {
 	 * @param string $file
 	 * @return bool
 	 */
+	#[\Override]
 	public function inCache($file) {
 		return $this->getId($file) != -1;
 	}
@@ -553,6 +561,7 @@ class Cache implements ICache {
 	 *
 	 * @param string $file
 	 */
+	#[\Override]
 	public function remove($file) {
 		$entry = $this->get($file);
 
@@ -679,6 +688,7 @@ class Cache implements ICache {
 	 * @param string $source
 	 * @param string $target
 	 */
+	#[\Override]
 	public function move($source, $target) {
 		$this->moveFromCache($this, $source, $target);
 	}
@@ -713,6 +723,7 @@ class Cache implements ICache {
 	 * @throws DatabaseException
 	 * @throws \Exception if the given storages have an invalid id
 	 */
+	#[\Override]
 	public function moveFromCache(ICache $sourceCache, $sourcePath, $targetPath) {
 		if ($sourceCache instanceof Cache) {
 			// normalize source and target
@@ -888,6 +899,7 @@ class Cache implements ICache {
 	 *
 	 * @return int Cache::NOT_FOUND, Cache::PARTIAL, Cache::SHALLOW or Cache::COMPLETE
 	 */
+	#[\Override]
 	public function getStatus($file) {
 		// normalize file
 		$file = $this->normalize($file);
@@ -923,6 +935,7 @@ class Cache implements ICache {
 	 * @param string $pattern the search pattern using SQL search syntax (e.g. '%searchstring%')
 	 * @return ICacheEntry[] an array of cache entries where the name matches the search pattern
 	 */
+	#[\Override]
 	public function search($pattern) {
 		$operator = new SearchComparison(ISearchComparison::COMPARE_LIKE, 'name', $pattern);
 		return $this->searchQuery(new SearchQuery($operator, 0, 0, [], null));
@@ -935,6 +948,7 @@ class Cache implements ICache {
 	 *                         where it will search for all mimetypes in the group ('image/*')
 	 * @return ICacheEntry[] an array of cache entries where the mimetype matches the search
 	 */
+	#[\Override]
 	public function searchByMime($mimetype) {
 		if (!str_contains($mimetype, '/')) {
 			$operator = new SearchComparison(ISearchComparison::COMPARE_LIKE, 'mimetype', $mimetype . '/%');
@@ -944,6 +958,7 @@ class Cache implements ICache {
 		return $this->searchQuery(new SearchQuery($operator, 0, 0, [], null));
 	}
 
+	#[\Override]
 	public function searchQuery(ISearchQuery $query) {
 		return current($this->querySearchHelper->searchInCaches($query, [$this]));
 	}
@@ -1129,6 +1144,7 @@ class Cache implements ICache {
 	 *
 	 * @return string|false the path of the folder or false when no folder matched
 	 */
+	#[\Override]
 	public function getIncomplete() {
 		$query = $this->getQueryBuilder();
 		$query->select('path')
@@ -1151,6 +1167,7 @@ class Cache implements ICache {
 	 * @param int $id the file id of the file or folder to search
 	 * @return string|null the path of the file (relative to the storage) or null if a file with the given id does not exists within this cache
 	 */
+	#[\Override]
 	public function getPathById($id) {
 		$query = $this->getQueryBuilder();
 		$query->select('path')
@@ -1208,6 +1225,7 @@ class Cache implements ICache {
 	 * @param string $path
 	 * @return string
 	 */
+	#[\Override]
 	public function normalize($path) {
 		return trim(\OC_Util::normalizeUnicode($path), '/');
 	}
@@ -1220,6 +1238,7 @@ class Cache implements ICache {
 	 * @param string $targetPath
 	 * @return int fileId of copied entry
 	 */
+	#[\Override]
 	public function copyFromCache(ICache $sourceCache, ICacheEntry $sourceEntry, string $targetPath): int {
 		if ($sourceEntry->getId() < 0) {
 			throw new \RuntimeException('Invalid source cache entry on copyFromCache');
@@ -1273,10 +1292,12 @@ class Cache implements ICache {
 		return $data;
 	}
 
+	#[\Override]
 	public function getQueryFilterForStorage(): ISearchOperator {
 		return new SearchComparison(ISearchComparison::COMPARE_EQUAL, 'storage', $this->getNumericStorageId());
 	}
 
+	#[\Override]
 	public function getCacheEntryFromSearchResult(ICacheEntry $rawEntry): ?ICacheEntry {
 		if ($rawEntry->getStorageId() === $this->getNumericStorageId()) {
 			return $rawEntry;
diff --git a/lib/private/Files/Cache/CacheEntry.php b/lib/private/Files/Cache/CacheEntry.php
index 943f328e845..74af7d0a598 100644
--- a/lib/private/Files/Cache/CacheEntry.php
+++ b/lib/private/Files/Cache/CacheEntry.php
@@ -18,14 +18,17 @@ class CacheEntry implements ICacheEntry {
 	) {
 	}
 
+	#[\Override]
 	public function offsetSet($offset, $value): void {
 		$this->data[$offset] = $value;
 	}
 
+	#[\Override]
 	public function offsetExists($offset): bool {
 		return isset($this->data[$offset]);
 	}
 
+	#[\Override]
 	public function offsetUnset($offset): void {
 		unset($this->data[$offset]);
 	}
@@ -33,6 +36,7 @@ class CacheEntry implements ICacheEntry {
 	/**
 	 * @return mixed
 	 */
+	#[\Override]
 	#[\ReturnTypeWillChange]
 	public function offsetGet($offset) {
 		if (isset($this->data[$offset])) {
@@ -42,70 +46,86 @@ class CacheEntry implements ICacheEntry {
 		}
 	}
 
+	#[\Override]
 	public function getId() {
 		return (int)$this->data['fileid'];
 	}
 
+	#[\Override]
 	public function getStorageId() {
 		return $this->data['storage'];
 	}
 
 
+	#[\Override]
 	public function getPath() {
 		return (string)$this->data['path'];
 	}
 
 
+	#[\Override]
 	public function getName() {
 		return $this->data['name'];
 	}
 
 
+	#[\Override]
 	public function getMimeType(): string {
 		return $this->data['mimetype'] ?? 'application/octet-stream';
 	}
 
 
+	#[\Override]
 	public function getMimePart() {
 		return $this->data['mimepart'];
 	}
 
+	#[\Override]
 	public function getSize() {
 		return $this->data['size'];
 	}
 
+	#[\Override]
 	public function getMTime() {
 		return $this->data['mtime'];
 	}
 
+	#[\Override]
 	public function getStorageMTime() {
 		return $this->data['storage_mtime'];
 	}
 
+	#[\Override]
 	public function getEtag() {
 		return $this->data['etag'];
 	}
 
+	#[\Override]
 	public function getPermissions(): int {
 		return $this->data['permissions'];
 	}
 
+	#[\Override]
 	public function isEncrypted() {
 		return isset($this->data['encrypted']) && $this->data['encrypted'];
 	}
 
+	#[\Override]
 	public function getMetadataEtag(): ?string {
 		return $this->data['metadata_etag'] ?? null;
 	}
 
+	#[\Override]
 	public function getCreationTime(): ?int {
 		return $this->data['creation_time'] ?? null;
 	}
 
+	#[\Override]
 	public function getUploadTime(): ?int {
 		return $this->data['upload_time'] ?? null;
 	}
 
+	#[\Override]
 	public function getParentId(): int {
 		return $this->data['parent'];
 	}
@@ -118,6 +138,7 @@ class CacheEntry implements ICacheEntry {
 		$this->data = array_merge([], $this->data);
 	}
 
+	#[\Override]
 	public function getUnencryptedSize(): int {
 		if ($this->data['encrypted'] && isset($this->data['unencrypted_size']) && $this->data['unencrypted_size'] > 0) {
 			return $this->data['unencrypted_size'];
diff --git a/lib/private/Files/Cache/FailedCache.php b/lib/private/Files/Cache/FailedCache.php
index 82d2dbbd8cf..7db87accc32 100644
--- a/lib/private/Files/Cache/FailedCache.php
+++ b/lib/private/Files/Cache/FailedCache.php
@@ -26,10 +26,12 @@ class FailedCache implements ICache {
 	) {
 	}
 
+	#[\Override]
 	public function getNumericStorageId(): int {
 		return -1;
 	}
 
+	#[\Override]
 	public function get($file): false|ICacheEntry {
 		if ($file === '') {
 			return new CacheEntry([
@@ -45,59 +47,74 @@ class FailedCache implements ICache {
 		}
 	}
 
+	#[\Override]
 	public function getFolderContents(string $folder, ?string $mimeTypeFilter = null): array {
 		return [];
 	}
 
+	#[\Override]
 	public function getFolderContentsById(int $fileId, ?string $mimeTypeFilter = null): array {
 		return [];
 	}
 
+	#[\Override]
 	public function put($file, array $data) {
 	}
 
+	#[\Override]
 	public function insert($file, array $data) {
 	}
 
+	#[\Override]
 	public function update($id, array $data) {
 	}
 
+	#[\Override]
 	public function getId($file): int {
 		return -1;
 	}
 
+	#[\Override]
 	public function getParentId($file): int {
 		return -1;
 	}
 
+	#[\Override]
 	public function inCache($file): bool {
 		return false;
 	}
 
+	#[\Override]
 	public function remove($file) {
 	}
 
+	#[\Override]
 	public function move($source, $target) {
 	}
 
+	#[\Override]
 	public function moveFromCache(ICache $sourceCache, $sourcePath, $targetPath) {
 	}
 
 	public function clear() {
 	}
 
+	#[\Override]
 	public function getStatus($file) {
 		return ICache::NOT_FOUND;
 	}
 
+	#[\Override]
 	public function search($pattern) {
 		return [];
 	}
 
+	#[\Override]
 	public function searchByMime($mimetype) {
 		return [];
 	}
 
+	#[\Override]
 	public function searchQuery(ISearchQuery $query) {
 		return [];
 	}
@@ -106,26 +123,32 @@ class FailedCache implements ICache {
 		return [];
 	}
 
+	#[\Override]
 	public function getIncomplete() {
 		return [];
 	}
 
+	#[\Override]
 	public function getPathById($id) {
 		return null;
 	}
 
+	#[\Override]
 	public function normalize($path) {
 		return $path;
 	}
 
+	#[\Override]
 	public function copyFromCache(ICache $sourceCache, ICacheEntry $sourceEntry, string $targetPath): int {
 		throw new \Exception('Invalid cache');
 	}
 
+	#[\Override]
 	public function getQueryFilterForStorage(): ISearchOperator {
 		return new SearchComparison(ISearchComparison::COMPARE_EQUAL, 'storage', -1);
 	}
 
+	#[\Override]
 	public function getCacheEntryFromSearchResult(ICacheEntry $rawEntry): ?ICacheEntry {
 		return null;
 	}
diff --git a/lib/private/Files/Cache/FileAccess.php b/lib/private/Files/Cache/FileAccess.php
index ee92c4fdc7a..b7357dfe0bc 100644
--- a/lib/private/Files/Cache/FileAccess.php
+++ b/lib/private/Files/Cache/FileAccess.php
@@ -39,11 +39,13 @@ class FileAccess implements IFileAccess {
 		);
 	}
 
+	#[\Override]
 	public function getByFileIdInStorage(int $fileId, int $storageId): ?CacheEntry {
 		$items = array_values($this->getByFileIdsInStorage([$fileId], $storageId));
 		return $items[0] ?? null;
 	}
 
+	#[\Override]
 	public function getByPathInStorage(string $path, int $storageId): ?CacheEntry {
 		$query = $this->getQuery()->selectFileCache();
 		$query->andWhere($query->expr()->eq('filecache.path_hash', $query->createNamedParameter(md5($path))));
@@ -53,6 +55,7 @@ class FileAccess implements IFileAccess {
 		return $row ? Cache::cacheEntryFromData($row, $this->mimeTypeLoader) : null;
 	}
 
+	#[\Override]
 	public function getByFileId(int $fileId): ?CacheEntry {
 		$items = array_values($this->getByFileIds([$fileId]));
 		return $items[0] ?? null;
@@ -75,6 +78,7 @@ class FileAccess implements IFileAccess {
 	 * @param int[] $fileIds
 	 * @return array<int, CacheEntry>
 	 */
+	#[\Override]
 	public function getByFileIds(array $fileIds): array {
 		$query = $this->getQuery()->selectFileCache();
 		$query->andWhere($query->expr()->in('filecache.fileid', $query->createNamedParameter($fileIds, IQueryBuilder::PARAM_INT_ARRAY)));
@@ -88,6 +92,7 @@ class FileAccess implements IFileAccess {
 	 * @param int $storageId
 	 * @return array<int, CacheEntry>
 	 */
+	#[\Override]
 	public function getByFileIdsInStorage(array $fileIds, int $storageId): array {
 		$fileIds = array_values($fileIds);
 		$query = $this->getQuery()->selectFileCache();
@@ -98,6 +103,7 @@ class FileAccess implements IFileAccess {
 		return $this->rowsToEntries($rows);
 	}
 
+	#[\Override]
 	public function getByAncestorInStorage(int $storageId, int $folderId, int $fileIdCursor = 0, int $maxResults = 100, array $mimeTypeIds = [], bool $endToEndEncrypted = true, bool $serverSideEncrypted = true): \Generator {
 		$qb = $this->getQuery();
 		$qb->select('path')
@@ -189,6 +195,7 @@ class FileAccess implements IFileAccess {
 		$files->closeCursor();
 	}
 
+	#[\Override]
 	public function getDistinctMounts(array $mountProviders = [], bool $onlyUserFilesMounts = true): \Generator {
 		$qb = $this->connection->getQueryBuilder();
 		$qb->selectDistinct(['root_id', 'storage_id', 'mount_provider_class'])
diff --git a/lib/private/Files/Cache/HomeCache.php b/lib/private/Files/Cache/HomeCache.php
index 0fad90c60db..a0b4754ff97 100644
--- a/lib/private/Files/Cache/HomeCache.php
+++ b/lib/private/Files/Cache/HomeCache.php
@@ -17,6 +17,7 @@ class HomeCache extends Cache {
 	 * @param array|null|ICacheEntry $entry (optional) meta data of the folder
 	 * @return int|float
 	 */
+	#[\Override]
 	public function calculateFolderSize($path, $entry = null) {
 		if ($path !== '/' && $path !== '' && $path !== 'files' && $path !== 'files_trashbin' && $path !== 'files_versions') {
 			return parent::calculateFolderSize($path, $entry);
@@ -32,6 +33,7 @@ class HomeCache extends Cache {
 	 * @param string $file
 	 * @return ICacheEntry
 	 */
+	#[\Override]
 	public function get($file) {
 		$data = parent::get($file);
 		if ($file === '' || $file === '/') {
diff --git a/lib/private/Files/Cache/NullWatcher.php b/lib/private/Files/Cache/NullWatcher.php
index e3659214849..e6973e8d266 100644
--- a/lib/private/Files/Cache/NullWatcher.php
+++ b/lib/private/Files/Cache/NullWatcher.php
@@ -14,25 +14,31 @@ class NullWatcher extends Watcher {
 	public function __construct() {
 	}
 
+	#[\Override]
 	public function setPolicy($policy) {
 		$this->policy = $policy;
 	}
 
+	#[\Override]
 	public function getPolicy() {
 		return $this->policy;
 	}
 
+	#[\Override]
 	public function checkUpdate($path, $cachedEntry = null) {
 		return false;
 	}
 
+	#[\Override]
 	public function update($path, $cachedData) {
 	}
 
+	#[\Override]
 	public function needsUpdate($path, $cachedData) {
 		return false;
 	}
 
+	#[\Override]
 	public function cleanFolder($path) {
 	}
 }
diff --git a/lib/private/Files/Cache/Scanner.php b/lib/private/Files/Cache/Scanner.php
index 140f840ba1f..36c8c02a8bf 100644
--- a/lib/private/Files/Cache/Scanner.php
+++ b/lib/private/Files/Cache/Scanner.php
@@ -99,6 +99,7 @@ class Scanner extends BasicEmitter implements IScanner {
 	 * @return array|null an array of metadata of the scanned file
 	 * @throws LockedException
 	 */
+	#[\Override]
 	public function scanFile($file, $reuseExisting = 0, $parentId = -1, $cacheData = null, $lock = true, $data = null) {
 		if ($file !== '') {
 			try {
@@ -291,6 +292,7 @@ class Scanner extends BasicEmitter implements IScanner {
 	 * @param bool $lock set to false to disable getting an additional read lock during scanning
 	 * @return array|null an array of the meta data of the scanned file or folder
 	 */
+	#[\Override]
 	public function scan($path, $recursive = self::SCAN_RECURSIVE, $reuse = -1, $lock = true) {
 		if ($reuse === -1) {
 			$reuse = ($recursive === self::SCAN_SHALLOW) ? self::REUSE_ETAG | self::REUSE_SIZE : self::REUSE_ETAG;
@@ -536,6 +538,7 @@ class Scanner extends BasicEmitter implements IScanner {
 	 * @param string $file
 	 * @return boolean
 	 */
+	#[\Override]
 	public static function isPartialFile($file) {
 		if (pathinfo($file, PATHINFO_EXTENSION) === 'part') {
 			return true;
@@ -550,6 +553,7 @@ class Scanner extends BasicEmitter implements IScanner {
 	/**
 	 * walk over any folders that are not fully scanned yet and scan them
 	 */
+	#[\Override]
 	public function backgroundScan() {
 		if ($this->storage->instanceOfStorage(Jail::class)) {
 			// for jail storage wrappers (shares, groupfolders) we run the background scan on the source storage
diff --git a/lib/private/Files/Cache/Watcher.php b/lib/private/Files/Cache/Watcher.php
index c4734bce0d9..48c5e323514 100644
--- a/lib/private/Files/Cache/Watcher.php
+++ b/lib/private/Files/Cache/Watcher.php
@@ -37,10 +37,12 @@ class Watcher implements IWatcher {
 	/**
 	 * @param int $policy either \OC\Files\Cache\Watcher::CHECK_NEVER, \OC\Files\Cache\Watcher::CHECK_ONCE, \OC\Files\Cache\Watcher::CHECK_ALWAYS
 	 */
+	#[\Override]
 	public function setPolicy($policy) {
 		$this->watchPolicy = $policy;
 	}
 
+	#[\Override]
 	public function setCheckFilter(?string $filter): void {
 		$this->checkFilter = $filter;
 	}
@@ -48,6 +50,7 @@ class Watcher implements IWatcher {
 	/**
 	 * @return int either \OC\Files\Cache\Watcher::CHECK_NEVER, \OC\Files\Cache\Watcher::CHECK_ONCE, \OC\Files\Cache\Watcher::CHECK_ALWAYS
 	 */
+	#[\Override]
 	public function getPolicy() {
 		return $this->watchPolicy;
 	}
@@ -59,6 +62,7 @@ class Watcher implements IWatcher {
 	 * @param ICacheEntry|null $cachedEntry
 	 * @return boolean true if path was updated
 	 */
+	#[\Override]
 	public function checkUpdate($path, $cachedEntry = null) {
 		if (is_null($cachedEntry)) {
 			$cachedEntry = $this->cache->get($path);
@@ -84,6 +88,7 @@ class Watcher implements IWatcher {
 	 * @param string $path
 	 * @param ICacheEntry $cachedData
 	 */
+	#[\Override]
 	public function update($path, $cachedData) {
 		if ($this->storage->is_dir($path)) {
 			$this->scanner->scan($path, Scanner::SCAN_SHALLOW);
@@ -108,6 +113,7 @@ class Watcher implements IWatcher {
 	 * @param ICacheEntry $cachedData
 	 * @return bool
 	 */
+	#[\Override]
 	public function needsUpdate($path, $cachedData) {
 		if ($this->checkFilter !== null) {
 			if (!preg_match($this->checkFilter, $path)) {
@@ -127,6 +133,7 @@ class Watcher implements IWatcher {
 	 *
 	 * @param string $path
 	 */
+	#[\Override]
 	public function cleanFolder($path) {
 		$cachedContent = $this->cache->getFolderContents($path);
 		foreach ($cachedContent as $entry) {
@@ -139,6 +146,7 @@ class Watcher implements IWatcher {
 	/**
 	 * register a callback to be called whenever the watcher triggers and update
 	 */
+	#[\Override]
 	public function onUpdate(callable $callback): void {
 		$this->onUpdate[] = $callback;
 	}
diff --git a/lib/private/Files/Cache/Wrapper/CacheDirPermissionsMask.php b/lib/private/Files/Cache/Wrapper/CacheDirPermissionsMask.php
index 38fe5a88c41..e5a1b648a2f 100644
--- a/lib/private/Files/Cache/Wrapper/CacheDirPermissionsMask.php
+++ b/lib/private/Files/Cache/Wrapper/CacheDirPermissionsMask.php
@@ -25,6 +25,7 @@ class CacheDirPermissionsMask extends CachePermissionsMask {
 		parent::__construct($cache, $mask);
 	}
 
+	#[\Override]
 	protected function formatCacheEntry($entry): ICacheEntry|false {
 		$checkPath = $this->checkPath;
 		if ($checkPath($entry['path'])) {
diff --git a/lib/private/Files/Cache/Wrapper/CacheJail.php b/lib/private/Files/Cache/Wrapper/CacheJail.php
index 59d0faf0078..477d85c6933 100644
--- a/lib/private/Files/Cache/Wrapper/CacheJail.php
+++ b/lib/private/Files/Cache/Wrapper/CacheJail.php
@@ -98,6 +98,7 @@ class CacheJail extends CacheWrapper {
 		}
 	}
 
+	#[\Override]
 	protected function formatCacheEntry($entry) {
 		if (isset($entry['path'])) {
 			$entry['path'] = $this->getJailedPath($entry['path']);
@@ -111,6 +112,7 @@ class CacheJail extends CacheWrapper {
 	 * @param string|int $file
 	 * @return ICacheEntry|false
 	 */
+	#[\Override]
 	public function get($file) {
 		if (is_string($file) || $file === '') {
 			$file = $this->getSourcePath($file);
@@ -127,6 +129,7 @@ class CacheJail extends CacheWrapper {
 	 * @return int file id
 	 * @throws \RuntimeException
 	 */
+	#[\Override]
 	public function insert($file, array $data) {
 		return $this->getCache()->insert($this->getSourcePath($file), $data);
 	}
@@ -137,6 +140,7 @@ class CacheJail extends CacheWrapper {
 	 * @param int $id
 	 * @param array $data
 	 */
+	#[\Override]
 	public function update($id, array $data) {
 		$this->getCache()->update($id, $data);
 	}
@@ -147,6 +151,7 @@ class CacheJail extends CacheWrapper {
 	 * @param string $file
 	 * @return int
 	 */
+	#[\Override]
 	public function getId($file) {
 		return $this->getCache()->getId($this->getSourcePath($file));
 	}
@@ -157,6 +162,7 @@ class CacheJail extends CacheWrapper {
 	 * @param string $file
 	 * @return int
 	 */
+	#[\Override]
 	public function getParentId($file) {
 		return $this->getCache()->getParentId($this->getSourcePath($file));
 	}
@@ -167,6 +173,7 @@ class CacheJail extends CacheWrapper {
 	 * @param string $file
 	 * @return bool
 	 */
+	#[\Override]
 	public function inCache($file) {
 		return $this->getCache()->inCache($this->getSourcePath($file));
 	}
@@ -176,6 +183,7 @@ class CacheJail extends CacheWrapper {
 	 *
 	 * @param string $file
 	 */
+	#[\Override]
 	public function remove($file) {
 		$this->getCache()->remove($this->getSourcePath($file));
 	}
@@ -186,6 +194,7 @@ class CacheJail extends CacheWrapper {
 	 * @param string $source
 	 * @param string $target
 	 */
+	#[\Override]
 	public function move($source, $target) {
 		$this->getCache()->move($this->getSourcePath($source), $this->getSourcePath($target));
 	}
@@ -196,6 +205,7 @@ class CacheJail extends CacheWrapper {
 	 * @param string $path
 	 * @return array [$storageId, $internalPath]
 	 */
+	#[\Override]
 	protected function getMoveInfo($path) {
 		return [$this->getNumericStorageId(), $this->getUnjailedSourcePath($path)];
 	}
@@ -203,6 +213,7 @@ class CacheJail extends CacheWrapper {
 	/**
 	 * remove all entries for files that are stored on the storage from the cache
 	 */
+	#[\Override]
 	public function clear() {
 		$this->getCache()->remove($this->getRoot());
 	}
@@ -212,6 +223,7 @@ class CacheJail extends CacheWrapper {
 	 *
 	 * @return int Cache::NOT_FOUND, Cache::PARTIAL, Cache::SHALLOW or Cache::COMPLETE
 	 */
+	#[\Override]
 	public function getStatus($file) {
 		return $this->getCache()->getStatus($this->getSourcePath($file));
 	}
@@ -221,6 +233,7 @@ class CacheJail extends CacheWrapper {
 	 *
 	 * @param array|ICacheEntry|null $data (optional) meta data of the folder
 	 */
+	#[\Override]
 	public function correctFolderSize(string $path, $data = null, bool $isBackgroundScan = false): void {
 		$cache = $this->getCache();
 		if ($cache instanceof Cache) {
@@ -235,6 +248,7 @@ class CacheJail extends CacheWrapper {
 	 * @param array|null|ICacheEntry $entry (optional) meta data of the folder
 	 * @return int|float
 	 */
+	#[\Override]
 	public function calculateFolderSize($path, $entry = null) {
 		$cache = $this->getCache();
 		if ($cache instanceof Cache) {
@@ -249,6 +263,7 @@ class CacheJail extends CacheWrapper {
 	 *
 	 * @return int[]
 	 */
+	#[\Override]
 	public function getAll() {
 		// not supported
 		return [];
@@ -263,6 +278,7 @@ class CacheJail extends CacheWrapper {
 	 *
 	 * @return string|false the path of the folder or false when no folder matched
 	 */
+	#[\Override]
 	public function getIncomplete() {
 		// not supported
 		return false;
@@ -274,6 +290,7 @@ class CacheJail extends CacheWrapper {
 	 * @param int $id
 	 * @return string|null
 	 */
+	#[\Override]
 	public function getPathById($id) {
 		$path = $this->getCache()->getPathById($id);
 		if ($path === null) {
@@ -291,6 +308,7 @@ class CacheJail extends CacheWrapper {
 	 * @param string $sourcePath
 	 * @param string $targetPath
 	 */
+	#[\Override]
 	public function moveFromCache(ICache $sourceCache, $sourcePath, $targetPath) {
 		if ($sourceCache === $this) {
 			return $this->move($sourcePath, $targetPath);
@@ -298,6 +316,7 @@ class CacheJail extends CacheWrapper {
 		return $this->getCache()->moveFromCache($sourceCache, $sourcePath, $this->getSourcePath($targetPath));
 	}
 
+	#[\Override]
 	public function getQueryFilterForStorage(): ISearchOperator {
 		return $this->addJailFilterQuery($this->getCache()->getQueryFilterForStorage());
 	}
@@ -320,6 +339,7 @@ class CacheJail extends CacheWrapper {
 		}
 	}
 
+	#[\Override]
 	public function getCacheEntryFromSearchResult(ICacheEntry $rawEntry): ?ICacheEntry {
 		if ($this->getGetUnjailedRoot() === '' || str_starts_with($rawEntry->getPath(), $this->getGetUnjailedRoot())) {
 			$rawEntry = $this->getCache()->getCacheEntryFromSearchResult($rawEntry);
diff --git a/lib/private/Files/Cache/Wrapper/CachePermissionsMask.php b/lib/private/Files/Cache/Wrapper/CachePermissionsMask.php
index 905b418cdf4..56e661b3c02 100644
--- a/lib/private/Files/Cache/Wrapper/CachePermissionsMask.php
+++ b/lib/private/Files/Cache/Wrapper/CachePermissionsMask.php
@@ -19,6 +19,7 @@ class CachePermissionsMask extends CacheWrapper {
 		parent::__construct($cache);
 	}
 
+	#[\Override]
 	protected function formatCacheEntry($entry) {
 		if (isset($entry['permissions'])) {
 			$entry['scan_permissions'] ??= $entry['permissions'];
diff --git a/lib/private/Files/Cache/Wrapper/CacheWrapper.php b/lib/private/Files/Cache/Wrapper/CacheWrapper.php
index 38becfeefce..c08a703a08a 100644
--- a/lib/private/Files/Cache/Wrapper/CacheWrapper.php
+++ b/lib/private/Files/Cache/Wrapper/CacheWrapper.php
@@ -41,6 +41,7 @@ class CacheWrapper extends Cache {
 		return $this->cache;
 	}
 
+	#[\Override]
 	protected function hasEncryptionWrapper(): bool {
 		$cache = $this->getCache();
 		if ($cache instanceof Cache) {
@@ -50,6 +51,7 @@ class CacheWrapper extends Cache {
 		}
 	}
 
+	#[\Override]
 	protected function shouldEncrypt(string $targetPath): bool {
 		$cache = $this->getCache();
 		if ($cache instanceof Cache) {
@@ -75,6 +77,7 @@ class CacheWrapper extends Cache {
 	 * @param string|int $file
 	 * @return ICacheEntry|false
 	 */
+	#[\Override]
 	public function get($file) {
 		$result = $this->getCache()->get($file);
 		if ($result instanceof ICacheEntry) {
@@ -89,6 +92,7 @@ class CacheWrapper extends Cache {
 	 * @param string $folder
 	 * @return ICacheEntry[]
 	 */
+	#[\Override]
 	public function getFolderContents(string $folder, ?string $mimeTypeFilter = null): array {
 		// can't do a simple $this->getCache()->.... call here since getFolderContentsById needs to be called on this
 		// and not the wrapped cache
@@ -102,6 +106,7 @@ class CacheWrapper extends Cache {
 	 * @param int $fileId the file id of the folder
 	 * @return ICacheEntry[]
 	 */
+	#[\Override]
 	public function getFolderContentsById(int $fileId, ?string $mimeTypeFilter = null) {
 		$results = $this->getCache()->getFolderContentsById($fileId, $mimeTypeFilter);
 		return array_filter(array_map($this->formatCacheEntry(...), $results));
@@ -116,6 +121,7 @@ class CacheWrapper extends Cache {
 	 * @return int file id
 	 * @throws \RuntimeException
 	 */
+	#[\Override]
 	public function put($file, array $data) {
 		if (($id = $this->getId($file)) > -1) {
 			$this->update($id, $data);
@@ -134,6 +140,7 @@ class CacheWrapper extends Cache {
 	 * @return int file id
 	 * @throws \RuntimeException
 	 */
+	#[\Override]
 	public function insert($file, array $data) {
 		return $this->getCache()->insert($file, $data);
 	}
@@ -144,6 +151,7 @@ class CacheWrapper extends Cache {
 	 * @param int $id
 	 * @param array $data
 	 */
+	#[\Override]
 	public function update($id, array $data) {
 		$this->getCache()->update($id, $data);
 	}
@@ -154,6 +162,7 @@ class CacheWrapper extends Cache {
 	 * @param string $file
 	 * @return int
 	 */
+	#[\Override]
 	public function getId($file) {
 		return $this->getCache()->getId($file);
 	}
@@ -164,6 +173,7 @@ class CacheWrapper extends Cache {
 	 * @param string $file
 	 * @return int
 	 */
+	#[\Override]
 	public function getParentId($file) {
 		return $this->getCache()->getParentId($file);
 	}
@@ -174,6 +184,7 @@ class CacheWrapper extends Cache {
 	 * @param string $file
 	 * @return bool
 	 */
+	#[\Override]
 	public function inCache($file) {
 		return $this->getCache()->inCache($file);
 	}
@@ -183,6 +194,7 @@ class CacheWrapper extends Cache {
 	 *
 	 * @param string $file
 	 */
+	#[\Override]
 	public function remove($file) {
 		$this->getCache()->remove($file);
 	}
@@ -193,16 +205,19 @@ class CacheWrapper extends Cache {
 	 * @param string $source
 	 * @param string $target
 	 */
+	#[\Override]
 	public function move($source, $target) {
 		$this->getCache()->move($source, $target);
 	}
 
+	#[\Override]
 	protected function getMoveInfo($path) {
 		/** @var Cache|CacheJail $cache */
 		$cache = $this->getCache();
 		return $cache->getMoveInfo($path);
 	}
 
+	#[\Override]
 	public function moveFromCache(ICache $sourceCache, $sourcePath, $targetPath) {
 		$this->getCache()->moveFromCache($sourceCache, $sourcePath, $targetPath);
 	}
@@ -210,6 +225,7 @@ class CacheWrapper extends Cache {
 	/**
 	 * remove all entries for files that are stored on the storage from the cache
 	 */
+	#[\Override]
 	public function clear() {
 		$cache = $this->getCache();
 		if ($cache instanceof Cache) {
@@ -224,10 +240,12 @@ class CacheWrapper extends Cache {
 	 *
 	 * @return int Cache::NOT_FOUND, Cache::PARTIAL, Cache::SHALLOW or Cache::COMPLETE
 	 */
+	#[\Override]
 	public function getStatus($file) {
 		return $this->getCache()->getStatus($file);
 	}
 
+	#[\Override]
 	public function searchQuery(ISearchQuery $query) {
 		return current($this->querySearchHelper->searchInCaches($query, [$this]));
 	}
@@ -237,6 +255,7 @@ class CacheWrapper extends Cache {
 	 *
 	 * @param array|ICacheEntry|null $data (optional) meta data of the folder
 	 */
+	#[\Override]
 	public function correctFolderSize(string $path, $data = null, bool $isBackgroundScan = false): void {
 		$cache = $this->getCache();
 		if ($cache instanceof Cache) {
@@ -251,6 +270,7 @@ class CacheWrapper extends Cache {
 	 * @param array|null|ICacheEntry $entry (optional) meta data of the folder
 	 * @return int|float
 	 */
+	#[\Override]
 	public function calculateFolderSize($path, $entry = null) {
 		$cache = $this->getCache();
 		if ($cache instanceof Cache) {
@@ -265,6 +285,7 @@ class CacheWrapper extends Cache {
 	 *
 	 * @return int[]
 	 */
+	#[\Override]
 	public function getAll() {
 		/** @var Cache $cache */
 		$cache = $this->getCache();
@@ -280,6 +301,7 @@ class CacheWrapper extends Cache {
 	 *
 	 * @return string|false the path of the folder or false when no folder matched
 	 */
+	#[\Override]
 	public function getIncomplete() {
 		return $this->getCache()->getIncomplete();
 	}
@@ -290,6 +312,7 @@ class CacheWrapper extends Cache {
 	 * @param int $id
 	 * @return string|null
 	 */
+	#[\Override]
 	public function getPathById($id) {
 		return $this->getCache()->getPathById($id);
 	}
@@ -299,6 +322,7 @@ class CacheWrapper extends Cache {
 	 *
 	 * @return int
 	 */
+	#[\Override]
 	public function getNumericStorageId() {
 		return $this->getCache()->getNumericStorageId();
 	}
@@ -311,14 +335,17 @@ class CacheWrapper extends Cache {
 	 * @param int $id
 	 * @return array first element holding the storage id, second the path
 	 */
+	#[\Override]
 	public static function getById($id) {
 		return parent::getById($id);
 	}
 
+	#[\Override]
 	public function getQueryFilterForStorage(): ISearchOperator {
 		return $this->getCache()->getQueryFilterForStorage();
 	}
 
+	#[\Override]
 	public function getCacheEntryFromSearchResult(ICacheEntry $rawEntry): ?ICacheEntry {
 		$rawEntry = $this->getCache()->getCacheEntryFromSearchResult($rawEntry);
 		if ($rawEntry) {
diff --git a/lib/private/Files/Cache/Wrapper/JailWatcher.php b/lib/private/Files/Cache/Wrapper/JailWatcher.php
index 18a1c22495c..d066d069d15 100644
--- a/lib/private/Files/Cache/Wrapper/JailWatcher.php
+++ b/lib/private/Files/Cache/Wrapper/JailWatcher.php
@@ -28,31 +28,38 @@ class JailWatcher extends Watcher {
 		}
 	}
 
+	#[\Override]
 	public function setPolicy($policy) {
 		$this->watcher->setPolicy($policy);
 	}
 
+	#[\Override]
 	public function getPolicy() {
 		return $this->watcher->getPolicy();
 	}
 
 
+	#[\Override]
 	public function checkUpdate($path, $cachedEntry = null) {
 		return $this->watcher->checkUpdate($this->getSourcePath($path), $cachedEntry);
 	}
 
+	#[\Override]
 	public function update($path, $cachedData) {
 		$this->watcher->update($this->getSourcePath($path), $cachedData);
 	}
 
+	#[\Override]
 	public function needsUpdate($path, $cachedData) {
 		return $this->watcher->needsUpdate($this->getSourcePath($path), $cachedData);
 	}
 
+	#[\Override]
 	public function cleanFolder($path) {
 		$this->watcher->cleanFolder($this->getSourcePath($path));
 	}
 
+	#[\Override]
 	public function onUpdate(callable $callback): void {
 		$this->watcher->onUpdate($callback);
 	}
diff --git a/lib/private/Files/Config/CachedMountFileInfo.php b/lib/private/Files/Config/CachedMountFileInfo.php
index ae27b1e762d..29636e5c665 100644
--- a/lib/private/Files/Config/CachedMountFileInfo.php
+++ b/lib/private/Files/Config/CachedMountFileInfo.php
@@ -25,6 +25,7 @@ class CachedMountFileInfo extends CachedMountInfo implements ICachedMountFileInf
 		parent::__construct($user, $storageId, $rootId, $mountPoint, $mountProvider, $mountId, $rootInternalPath);
 	}
 
+	#[\Override]
 	public function getInternalPath(): string {
 		if ($this->getRootInternalPath()) {
 			return substr($this->internalPath, strlen($this->getRootInternalPath()) + 1);
@@ -33,6 +34,7 @@ class CachedMountFileInfo extends CachedMountInfo implements ICachedMountFileInf
 		}
 	}
 
+	#[\Override]
 	public function getPath(): string {
 		return $this->getMountPoint() . $this->getInternalPath();
 	}
diff --git a/lib/private/Files/Config/CachedMountInfo.php b/lib/private/Files/Config/CachedMountInfo.php
index 7d67f38421e..ffe06c25b16 100644
--- a/lib/private/Files/Config/CachedMountInfo.php
+++ b/lib/private/Files/Config/CachedMountInfo.php
@@ -30,6 +30,7 @@ class CachedMountInfo implements ICachedMountInfo {
 		$this->key = $this->rootId . '::' . $this->mountPoint;
 	}
 
+	#[\Override]
 	public function getUser(): IUser {
 		return $this->user;
 	}
@@ -37,6 +38,7 @@ class CachedMountInfo implements ICachedMountInfo {
 	/**
 	 * @return int the numeric storage id of the mount
 	 */
+	#[\Override]
 	public function getStorageId(): int {
 		return $this->storageId;
 	}
@@ -44,6 +46,7 @@ class CachedMountInfo implements ICachedMountInfo {
 	/**
 	 * @return int the fileid of the root of the mount
 	 */
+	#[\Override]
 	public function getRootId(): int {
 		return $this->rootId;
 	}
@@ -51,6 +54,7 @@ class CachedMountInfo implements ICachedMountInfo {
 	/**
 	 * @return Node|null the root node of the mount
 	 */
+	#[\Override]
 	public function getMountPointNode(): ?Node {
 		// TODO injection etc
 		Filesystem::initMountPoints($this->getUser()->getUID());
@@ -61,6 +65,7 @@ class CachedMountInfo implements ICachedMountInfo {
 	/**
 	 * @return string the mount point of the mount for the user
 	 */
+	#[\Override]
 	public function getMountPoint(): string {
 		return $this->mountPoint;
 	}
@@ -71,6 +76,7 @@ class CachedMountInfo implements ICachedMountInfo {
 	 * @return int|null mount id or null if not applicable
 	 * @since 9.1.0
 	 */
+	#[\Override]
 	public function getMountId(): ?int {
 		return $this->mountId;
 	}
@@ -80,14 +86,17 @@ class CachedMountInfo implements ICachedMountInfo {
 	 *
 	 * @return string
 	 */
+	#[\Override]
 	public function getRootInternalPath(): string {
 		return $this->rootInternalPath;
 	}
 
+	#[\Override]
 	public function getMountProvider(): string {
 		return $this->mountProvider;
 	}
 
+	#[\Override]
 	public function getKey(): string {
 		return $this->key;
 	}
diff --git a/lib/private/Files/Config/LazyPathCachedMountInfo.php b/lib/private/Files/Config/LazyPathCachedMountInfo.php
index d2396109b1a..699f3e4bd55 100644
--- a/lib/private/Files/Config/LazyPathCachedMountInfo.php
+++ b/lib/private/Files/Config/LazyPathCachedMountInfo.php
@@ -39,6 +39,7 @@ class LazyPathCachedMountInfo extends CachedMountInfo {
 		$this->rootInternalPathCallback = $rootInternalPathCallback;
 	}
 
+	#[\Override]
 	public function getRootInternalPath(): string {
 		if ($this->rootInternalPath === self::PATH_PLACEHOLDER) {
 			$this->rootInternalPath = ($this->rootInternalPathCallback)($this);
diff --git a/lib/private/Files/Config/LazyStorageMountInfo.php b/lib/private/Files/Config/LazyStorageMountInfo.php
index 186e354aa34..8c992f7a162 100644
--- a/lib/private/Files/Config/LazyStorageMountInfo.php
+++ b/lib/private/Files/Config/LazyStorageMountInfo.php
@@ -22,6 +22,7 @@ class LazyStorageMountInfo extends CachedMountInfo {
 	/**
 	 * @return int the numeric storage id of the mount
 	 */
+	#[\Override]
 	public function getStorageId(): int {
 		if (!$this->storageId) {
 			$this->storageId = $this->mount->getNumericStorageId();
@@ -32,6 +33,7 @@ class LazyStorageMountInfo extends CachedMountInfo {
 	/**
 	 * @return int the fileid of the root of the mount
 	 */
+	#[\Override]
 	public function getRootId(): int {
 		if (!$this->rootId) {
 			$this->rootId = $this->mount->getStorageRootId();
@@ -42,6 +44,7 @@ class LazyStorageMountInfo extends CachedMountInfo {
 	/**
 	 * @return string the mount point of the mount for the user
 	 */
+	#[\Override]
 	public function getMountPoint(): string {
 		if (!$this->mountPoint) {
 			$this->mountPoint = $this->mount->getMountPoint();
@@ -49,6 +52,7 @@ class LazyStorageMountInfo extends CachedMountInfo {
 		return parent::getMountPoint();
 	}
 
+	#[\Override]
 	public function getMountId(): ?int {
 		return $this->mount->getMountId();
 	}
@@ -58,14 +62,17 @@ class LazyStorageMountInfo extends CachedMountInfo {
 	 *
 	 * @return string
 	 */
+	#[\Override]
 	public function getRootInternalPath(): string {
 		return $this->mount->getInternalPath($this->mount->getMountPoint());
 	}
 
+	#[\Override]
 	public function getMountProvider(): string {
 		return $this->mount->getMountProvider();
 	}
 
+	#[\Override]
 	public function getKey(): string {
 		if (!$this->key) {
 			$this->key = $this->getRootId() . '::' . $this->getMountPoint();
diff --git a/lib/private/Files/Config/MountProviderCollection.php b/lib/private/Files/Config/MountProviderCollection.php
index 338c26350ea..d6a33e675b3 100644
--- a/lib/private/Files/Config/MountProviderCollection.php
+++ b/lib/private/Files/Config/MountProviderCollection.php
@@ -79,6 +79,7 @@ class MountProviderCollection implements IMountProviderCollection, Emitter {
 	/**
 	 * @return list<IMountPoint>
 	 */
+	#[\Override]
 	public function getMountsForUser(IUser $user): array {
 		return $this->getUserMountsForProviders($user, array_values($this->providers));
 	}
@@ -138,6 +139,7 @@ class MountProviderCollection implements IMountProviderCollection, Emitter {
 	 *
 	 * @return list<IMountPoint>
 	 */
+	#[\Override]
 	public function getUserMountsForProviderClasses(IUser $user, array $mountProviderClasses): array {
 		$providers = array_filter(
 			$this->providers,
@@ -196,6 +198,7 @@ class MountProviderCollection implements IMountProviderCollection, Emitter {
 	 *
 	 * @since 9.1.0
 	 */
+	#[\Override]
 	public function getHomeMountForUser(IUser $user): IMountPoint {
 		$providers = array_reverse($this->homeProviders); // call the latest registered provider first to give apps an opportunity to overwrite builtin
 		foreach ($providers as $homeProvider) {
@@ -210,12 +213,14 @@ class MountProviderCollection implements IMountProviderCollection, Emitter {
 	/**
 	 * Add a provider for mount points
 	 */
+	#[\Override]
 	public function registerProvider(IMountProvider $provider): void {
 		$this->providers[get_class($provider)] = $provider;
 
 		$this->emit('\OC\Files\Config', 'registerMountProvider', [$provider]);
 	}
 
+	#[\Override]
 	public function registerMountFilter(callable $filter): void {
 		$this->mountFilters[] = $filter;
 	}
@@ -241,6 +246,7 @@ class MountProviderCollection implements IMountProviderCollection, Emitter {
 	 * @param IHomeMountProvider $provider
 	 * @since 9.1.0
 	 */
+	#[\Override]
 	public function registerHomeProvider(IHomeMountProvider $provider) {
 		$this->homeProviders[] = $provider;
 		$this->emit('\OC\Files\Config', 'registerHomeMountProvider', [$provider]);
@@ -249,6 +255,7 @@ class MountProviderCollection implements IMountProviderCollection, Emitter {
 	/**
 	 * Get the mount cache which can be used to search for mounts without setting up the filesystem
 	 */
+	#[\Override]
 	public function getMountCache(): IUserMountCache {
 		return $this->mountCache;
 	}
@@ -263,6 +270,7 @@ class MountProviderCollection implements IMountProviderCollection, Emitter {
 	 * @return list<IMountPoint>
 	 * @since 20.0.0
 	 */
+	#[\Override]
 	public function getRootMounts(): array {
 		$loader = $this->loader;
 		$mounts = array_map(function (IRootMountProvider $provider) use ($loader) {
diff --git a/lib/private/Files/Config/UserMountCache.php b/lib/private/Files/Config/UserMountCache.php
index 5e0653b1c63..c2a1d88ef12 100644
--- a/lib/private/Files/Config/UserMountCache.php
+++ b/lib/private/Files/Config/UserMountCache.php
@@ -62,6 +62,7 @@ class UserMountCache implements IUserMountCache {
 		$this->mountsForUsers = new CappedMemoryCache();
 	}
 
+	#[\Override]
 	public function registerMounts(IUser $user, array $mounts, ?array $mountProviderClasses = null) {
 		$this->eventLogger->start('fs:setup:user:register', 'Registering mounts for user');
 		/** @var array<string, ICachedMountInfo> $newMounts */
@@ -249,6 +250,7 @@ class UserMountCache implements IUserMountCache {
 	 * @param IUser $user
 	 * @return ICachedMountInfo[]
 	 */
+	#[\Override]
 	public function getMountsForUser(IUser $user) {
 		$userUID = $user->getUID();
 		if (!$this->userManager->userExists($userUID)) {
@@ -294,6 +296,7 @@ class UserMountCache implements IUserMountCache {
 	 * @param string|null $user limit the results to a single user
 	 * @return CachedMountInfo[]
 	 */
+	#[\Override]
 	public function getMountsForStorageId($numericStorageId, $user = null) {
 		$builder = $this->connection->getQueryBuilder();
 		$query = $builder->select('storage_id', 'root_id', 'user_id', 'mount_point', 'mount_id', 'f.path', 'mount_provider_class')
@@ -316,6 +319,7 @@ class UserMountCache implements IUserMountCache {
 	 * @param int $rootFileId
 	 * @return CachedMountInfo[]
 	 */
+	#[\Override]
 	public function getMountsForRootId($rootFileId) {
 		$builder = $this->connection->getQueryBuilder();
 		$query = $builder->select('storage_id', 'root_id', 'user_id', 'mount_point', 'mount_id', 'f.path', 'mount_provider_class')
@@ -365,6 +369,7 @@ class UserMountCache implements IUserMountCache {
 	 * @return ICachedMountFileInfo[]
 	 * @since 9.0.0
 	 */
+	#[\Override]
 	public function getMountsForFileId($fileId, $user = null) {
 		try {
 			[$storageId, $internalPath] = $this->getCacheInfoFromFileId($fileId);
@@ -427,6 +432,7 @@ class UserMountCache implements IUserMountCache {
 	 *
 	 * @param IUser $user
 	 */
+	#[\Override]
 	public function removeUserMounts(IUser $user) {
 		$builder = $this->connection->getQueryBuilder();
 
@@ -435,6 +441,7 @@ class UserMountCache implements IUserMountCache {
 		$query->executeStatement();
 	}
 
+	#[\Override]
 	public function removeUserStorageMount($storageId, $userId) {
 		$builder = $this->connection->getQueryBuilder();
 
@@ -444,6 +451,7 @@ class UserMountCache implements IUserMountCache {
 		$query->executeStatement();
 	}
 
+	#[\Override]
 	public function remoteStorageMounts($storageId) {
 		$builder = $this->connection->getQueryBuilder();
 
@@ -456,6 +464,7 @@ class UserMountCache implements IUserMountCache {
 	 * @param array $users
 	 * @return array
 	 */
+	#[\Override]
 	public function getUsedSpaceForUsers(array $users) {
 		$builder = $this->connection->getQueryBuilder();
 
@@ -482,11 +491,13 @@ class UserMountCache implements IUserMountCache {
 		return $results;
 	}
 
+	#[\Override]
 	public function clear(): void {
 		$this->cacheInfoCache = new CappedMemoryCache();
 		$this->mountsForUsers = new CappedMemoryCache();
 	}
 
+	#[\Override]
 	public function getMountForPath(IUser $user, string $path): ICachedMountInfo {
 		$searchPaths = [];
 		$current = rtrim($path, '/');
@@ -533,6 +544,7 @@ class UserMountCache implements IUserMountCache {
 		throw new NotFoundException('No cached mount for path ' . $path);
 	}
 
+	#[\Override]
 	public function getMountsInPath(IUser $user, string $path): array {
 		$path = rtrim($path, '/') . '/';
 		$result = [];
@@ -545,6 +557,7 @@ class UserMountCache implements IUserMountCache {
 		return $result;
 	}
 
+	#[\Override]
 	public function removeMount(string $mountPoint, ?IUser $user = null): void {
 		$query = $this->connection->getQueryBuilder();
 		$query->delete('mounts')
@@ -561,6 +574,7 @@ class UserMountCache implements IUserMountCache {
 		}
 	}
 
+	#[\Override]
 	public function addMount(
 		IUser $user,
 		string $mountPoint,
@@ -599,6 +613,7 @@ class UserMountCache implements IUserMountCache {
 		$this->mountsForUsers = new CappedMemoryCache();
 	}
 
+	#[\Override]
 	public function getMountAtPath(IUser $user, string $mountPoint): ?ICachedMountInfo {
 		if (isset($this->mountsForUsers[$user->getUID()])) {
 			foreach ($this->mountsForUsers[$user->getUID()] as $mount) {
diff --git a/lib/private/Files/Conversion/ConversionManager.php b/lib/private/Files/Conversion/ConversionManager.php
index 2c98a4c6404..24a4b8cb635 100644
--- a/lib/private/Files/Conversion/ConversionManager.php
+++ b/lib/private/Files/Conversion/ConversionManager.php
@@ -53,11 +53,13 @@ class ConversionManager implements IConversionManager {
 		$this->l10n = $l10nFactory->get('files');
 	}
 
+	#[\Override]
 	public function hasProviders(): bool {
 		$context = $this->coordinator->getRegistrationContext();
 		return !empty($context->getFileConversionProviders());
 	}
 
+	#[\Override]
 	public function getProviders(): array {
 		$providers = [];
 		foreach ($this->getRegisteredProviders() as $provider) {
@@ -66,6 +68,7 @@ class ConversionManager implements IConversionManager {
 		return $providers;
 	}
 
+	#[\Override]
 	public function convert(File $file, string $targetMimeType, ?string $destination = null): string {
 		if (!$this->hasProviders()) {
 			throw new PreConditionNotMetException($this->l10n->t('No file conversion providers available'));
diff --git a/lib/private/Files/FileInfo.php b/lib/private/Files/FileInfo.php
index 81e56345e3b..65280b0f315 100644
--- a/lib/private/Files/FileInfo.php
+++ b/lib/private/Files/FileInfo.php
@@ -65,6 +65,7 @@ class FileInfo implements \OCP\Files\FileInfo, \ArrayAccess {
 		}
 	}
 
+	#[\Override]
 	public function offsetSet($offset, $value): void {
 		if (is_null($offset)) {
 			throw new \TypeError('Null offset not supported');
@@ -72,14 +73,17 @@ class FileInfo implements \OCP\Files\FileInfo, \ArrayAccess {
 		$this->data[$offset] = $value;
 	}
 
+	#[\Override]
 	public function offsetExists($offset): bool {
 		return isset($this->data[$offset]);
 	}
 
+	#[\Override]
 	public function offsetUnset($offset): void {
 		unset($this->data[$offset]);
 	}
 
+	#[\Override]
 	public function offsetGet(mixed $offset): mixed {
 		return match ($offset) {
 			'path' => $this->getPath(),
@@ -95,10 +99,12 @@ class FileInfo implements \OCP\Files\FileInfo, \ArrayAccess {
 	/**
 	 * @return string
 	 */
+	#[\Override]
 	public function getPath() {
 		return $this->path;
 	}
 
+	#[\Override]
 	public function getStorage() {
 		return $this->storage;
 	}
@@ -106,6 +112,7 @@ class FileInfo implements \OCP\Files\FileInfo, \ArrayAccess {
 	/**
 	 * @return string
 	 */
+	#[\Override]
 	public function getInternalPath() {
 		return $this->internalPath;
 	}
@@ -115,10 +122,12 @@ class FileInfo implements \OCP\Files\FileInfo, \ArrayAccess {
 	 *
 	 * @return int|null
 	 */
+	#[\Override]
 	public function getId() {
 		return isset($this->data['fileid']) ? (int)$this->data['fileid'] : null;
 	}
 
+	#[\Override]
 	public function getMimetype(): string {
 		return $this->data['mimetype'] ?? 'application/octet-stream';
 	}
@@ -126,6 +135,7 @@ class FileInfo implements \OCP\Files\FileInfo, \ArrayAccess {
 	/**
 	 * @return string
 	 */
+	#[\Override]
 	public function getMimePart() {
 		return $this->data['mimepart'];
 	}
@@ -133,6 +143,7 @@ class FileInfo implements \OCP\Files\FileInfo, \ArrayAccess {
 	/**
 	 * @return string
 	 */
+	#[\Override]
 	public function getName() {
 		return empty($this->data['name'])
 			? basename($this->getPath())
@@ -142,6 +153,7 @@ class FileInfo implements \OCP\Files\FileInfo, \ArrayAccess {
 	/**
 	 * @return string
 	 */
+	#[\Override]
 	public function getEtag() {
 		$this->updateEntryFromSubMounts();
 		if (count($this->childEtags) > 0) {
@@ -156,6 +168,7 @@ class FileInfo implements \OCP\Files\FileInfo, \ArrayAccess {
 	 * @param bool $includeMounts
 	 * @return int|float
 	 */
+	#[\Override]
 	public function getSize($includeMounts = true) {
 		if ($includeMounts) {
 			$this->updateEntryFromSubMounts();
@@ -173,6 +186,7 @@ class FileInfo implements \OCP\Files\FileInfo, \ArrayAccess {
 	/**
 	 * @return int
 	 */
+	#[\Override]
 	public function getMTime() {
 		$this->updateEntryFromSubMounts();
 		return (int)$this->data['mtime'];
@@ -181,6 +195,7 @@ class FileInfo implements \OCP\Files\FileInfo, \ArrayAccess {
 	/**
 	 * @return bool
 	 */
+	#[\Override]
 	public function isEncrypted() {
 		return $this->data['encrypted'] ?? false;
 	}
@@ -195,6 +210,7 @@ class FileInfo implements \OCP\Files\FileInfo, \ArrayAccess {
 	/**
 	 * @return int
 	 */
+	#[\Override]
 	public function getPermissions() {
 		return (int)$this->data['permissions'];
 	}
@@ -202,6 +218,7 @@ class FileInfo implements \OCP\Files\FileInfo, \ArrayAccess {
 	/**
 	 * @return string \OCP\Files\FileInfo::TYPE_FILE|\OCP\Files\FileInfo::TYPE_FOLDER
 	 */
+	#[\Override]
 	public function getType() {
 		if (!isset($this->data['type'])) {
 			$this->data['type'] = ($this->getMimetype() === self::MIMETYPE_FOLDER) ? self::TYPE_FOLDER : self::TYPE_FILE;
@@ -209,6 +226,7 @@ class FileInfo implements \OCP\Files\FileInfo, \ArrayAccess {
 		return $this->data['type'];
 	}
 
+	#[\Override]
 	public function getData(): ICacheEntry {
 		if ($this->data instanceof ICacheEntry) {
 			return $this->data;
@@ -228,6 +246,7 @@ class FileInfo implements \OCP\Files\FileInfo, \ArrayAccess {
 	/**
 	 * @return bool
 	 */
+	#[\Override]
 	public function isReadable() {
 		return $this->checkPermissions(Constants::PERMISSION_READ);
 	}
@@ -235,6 +254,7 @@ class FileInfo implements \OCP\Files\FileInfo, \ArrayAccess {
 	/**
 	 * @return bool
 	 */
+	#[\Override]
 	public function isUpdateable() {
 		return $this->checkPermissions(Constants::PERMISSION_UPDATE);
 	}
@@ -244,6 +264,7 @@ class FileInfo implements \OCP\Files\FileInfo, \ArrayAccess {
 	 *
 	 * @return bool
 	 */
+	#[\Override]
 	public function isCreatable() {
 		return $this->checkPermissions(Constants::PERMISSION_CREATE);
 	}
@@ -251,6 +272,7 @@ class FileInfo implements \OCP\Files\FileInfo, \ArrayAccess {
 	/**
 	 * @return bool
 	 */
+	#[\Override]
 	public function isDeletable() {
 		return $this->checkPermissions(Constants::PERMISSION_DELETE);
 	}
@@ -258,6 +280,7 @@ class FileInfo implements \OCP\Files\FileInfo, \ArrayAccess {
 	/**
 	 * @return bool
 	 */
+	#[\Override]
 	public function isShareable() {
 		return $this->checkPermissions(Constants::PERMISSION_SHARE);
 	}
@@ -267,10 +290,12 @@ class FileInfo implements \OCP\Files\FileInfo, \ArrayAccess {
 	 *
 	 * @return bool
 	 */
+	#[\Override]
 	public function isShared() {
 		return $this->mount instanceof ISharedMountPoint;
 	}
 
+	#[\Override]
 	public function isMounted() {
 		$isHome = $this->mount instanceof HomeMountPoint;
 		return !$isHome && !$this->isShared();
@@ -281,6 +306,7 @@ class FileInfo implements \OCP\Files\FileInfo, \ArrayAccess {
 	 *
 	 * @return \OCP\Files\Mount\IMountPoint
 	 */
+	#[\Override]
 	public function getMountPoint() {
 		return $this->mount;
 	}
@@ -290,6 +316,7 @@ class FileInfo implements \OCP\Files\FileInfo, \ArrayAccess {
 	 *
 	 * @return ?IUser
 	 */
+	#[\Override]
 	public function getOwner() {
 		return $this->owner;
 	}
@@ -353,26 +380,32 @@ class FileInfo implements \OCP\Files\FileInfo, \ArrayAccess {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function getChecksum() {
 		return $this->data['checksum'];
 	}
 
+	#[\Override]
 	public function getExtension(): string {
 		return pathinfo($this->getName(), PATHINFO_EXTENSION);
 	}
 
+	#[\Override]
 	public function getCreationTime(): int {
 		return (int)$this->data['creation_time'];
 	}
 
+	#[\Override]
 	public function getUploadTime(): int {
 		return (int)$this->data['upload_time'];
 	}
 
+	#[\Override]
 	public function getLastActivity(): int {
 		return max($this->getUploadTime(), $this->getMTime());
 	}
 
+	#[\Override]
 	public function getParentId(): int {
 		return $this->data['parent'] ?? -1;
 	}
@@ -381,6 +414,7 @@ class FileInfo implements \OCP\Files\FileInfo, \ArrayAccess {
 	 * @inheritDoc
 	 * @return array<string, int|string|bool|float|string[]|int[]>
 	 */
+	#[\Override]
 	public function getMetadata(): array {
 		return $this->data['metadata'] ?? [];
 	}
diff --git a/lib/private/Files/FilenameValidator.php b/lib/private/Files/FilenameValidator.php
index 987575292d7..1610b09da22 100644
--- a/lib/private/Files/FilenameValidator.php
+++ b/lib/private/Files/FilenameValidator.php
@@ -157,6 +157,7 @@ class FilenameValidator implements IFilenameValidator {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function isFilenameValid(string $filename): bool {
 		try {
 			$this->validateFilename($filename);
@@ -169,6 +170,7 @@ class FilenameValidator implements IFilenameValidator {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function validateFilename(string $filename): void {
 		$trimmed = trim($filename);
 		if ($trimmed === '') {
@@ -229,6 +231,7 @@ class FilenameValidator implements IFilenameValidator {
 		return false;
 	}
 
+	#[\Override]
 	public function sanitizeFilename(string $name, ?string $charReplacement = null): string {
 		$forbiddenCharacters = $this->getForbiddenCharacters();
 
diff --git a/lib/private/Files/Lock/LockManager.php b/lib/private/Files/Lock/LockManager.php
index 4c7e1427d02..ae2613fc9dd 100644
--- a/lib/private/Files/Lock/LockManager.php
+++ b/lib/private/Files/Lock/LockManager.php
@@ -20,6 +20,7 @@ class LockManager implements ILockManager {
 	private ?ILockProvider $lockProvider = null;
 	private ?LockContext $lockInScope = null;
 
+	#[\Override]
 	public function registerLockProvider(ILockProvider $lockProvider): void {
 		if ($this->lockProvider) {
 			throw new PreConditionNotMetException('There is already a registered lock provider');
@@ -28,6 +29,7 @@ class LockManager implements ILockManager {
 		$this->lockProvider = $lockProvider;
 	}
 
+	#[\Override]
 	public function registerLazyLockProvider(string $lockProviderClass): void {
 		if ($this->lockProviderClass || $this->lockProvider) {
 			throw new PreConditionNotMetException('There is already a registered lock provider');
@@ -50,10 +52,12 @@ class LockManager implements ILockManager {
 		return $this->lockProvider;
 	}
 
+	#[\Override]
 	public function isLockProviderAvailable(): bool {
 		return $this->getLockProvider() !== null;
 	}
 
+	#[\Override]
 	public function runInScope(LockContext $lock, callable $callback): void {
 		if (!$this->getLockProvider()) {
 			$callback();
@@ -72,10 +76,12 @@ class LockManager implements ILockManager {
 		}
 	}
 
+	#[\Override]
 	public function getLockInScope(): ?LockContext {
 		return $this->lockInScope;
 	}
 
+	#[\Override]
 	public function getLocks(int $fileId): array {
 		if (!$this->getLockProvider()) {
 			throw new PreConditionNotMetException('No lock provider available');
@@ -84,6 +90,7 @@ class LockManager implements ILockManager {
 		return $this->getLockProvider()->getLocks($fileId);
 	}
 
+	#[\Override]
 	public function lock(LockContext $lockInfo): ILock {
 		if (!$this->getLockProvider()) {
 			throw new PreConditionNotMetException('No lock provider available');
@@ -92,6 +99,7 @@ class LockManager implements ILockManager {
 		return $this->getLockProvider()->lock($lockInfo);
 	}
 
+	#[\Override]
 	public function unlock(LockContext $lockInfo): void {
 		if (!$this->getLockProvider()) {
 			throw new PreConditionNotMetException('No lock provider available');
diff --git a/lib/private/Files/Mount/LocalHomeMountProvider.php b/lib/private/Files/Mount/LocalHomeMountProvider.php
index 92b44eac151..0b867436300 100644
--- a/lib/private/Files/Mount/LocalHomeMountProvider.php
+++ b/lib/private/Files/Mount/LocalHomeMountProvider.php
@@ -25,6 +25,7 @@ class LocalHomeMountProvider implements IHomeMountProvider {
 	 * @param IStorageFactory $loader
 	 * @return IMountPoint|null
 	 */
+	#[\Override]
 	public function getHomeMountForUser(IUser $user, IStorageFactory $loader) {
 		$arguments = ['user' => $user];
 		return new HomeMountPoint($user, '\OC\Files\Storage\Home', '/' . $user->getUID(), $arguments, $loader, null, null, self::class);
diff --git a/lib/private/Files/Mount/Manager.php b/lib/private/Files/Mount/Manager.php
index 9a29752229d..3ec0fa5d125 100644
--- a/lib/private/Files/Mount/Manager.php
+++ b/lib/private/Files/Mount/Manager.php
@@ -36,6 +36,7 @@ class Manager implements IMountManager {
 		$this->setupManager = $setupManagerFactory->create($this);
 	}
 
+	#[\Override]
 	public function addMount(IMountPoint $mount): void {
 		$mountPoint = $mount->getMountPoint();
 		$mountProvider = $mount->getMountProvider();
@@ -47,6 +48,7 @@ class Manager implements IMountManager {
 		$this->areMountsSorted = false;
 	}
 
+	#[\Override]
 	public function removeMount(string $mountPoint): void {
 		$mountPoint = Filesystem::normalizePath($mountPoint);
 		if (\strlen($mountPoint) > 1) {
@@ -58,6 +60,7 @@ class Manager implements IMountManager {
 		$this->areMountsSorted = false;
 	}
 
+	#[\Override]
 	public function moveMount(string $mountPoint, string $target): void {
 		if ($mountPoint !== $target) {
 			$this->mounts[$target] = $this->mounts[$mountPoint];
@@ -72,6 +75,7 @@ class Manager implements IMountManager {
 	/**
 	 * Find the mount for $path
 	 */
+	#[\Override]
 	public function find(string $path): IMountPoint {
 		$this->setupManager->setupForPath($path);
 		$path = Filesystem::normalizePath($path);
@@ -111,6 +115,7 @@ class Manager implements IMountManager {
 	 *
 	 * @return IMountPoint[]
 	 */
+	#[\Override]
 	public function findIn(string $path): array {
 		$this->setupManager->setupForPath($path, true);
 		$path = $this->formatPath($path);
@@ -173,6 +178,7 @@ class Manager implements IMountManager {
 		return $result;
 	}
 
+	#[\Override]
 	public function clear(): void {
 		$this->mounts = [];
 		$this->mountsByProvider = [];
@@ -186,6 +192,7 @@ class Manager implements IMountManager {
 	 * @param string $id
 	 * @return IMountPoint[]
 	 */
+	#[\Override]
 	public function findByStorageId(string $id): array {
 		if (\strlen($id) > 64) {
 			$id = md5($id);
@@ -202,6 +209,7 @@ class Manager implements IMountManager {
 	/**
 	 * @return IMountPoint[]
 	 */
+	#[\Override]
 	public function getAll(): array {
 		return $this->mounts;
 	}
@@ -212,6 +220,7 @@ class Manager implements IMountManager {
 	 * @param int $id
 	 * @return IMountPoint[]
 	 */
+	#[\Override]
 	public function findByNumericId(int $id): array {
 		$result = [];
 		foreach ($this->mounts as $mount) {
@@ -266,6 +275,7 @@ class Manager implements IMountManager {
 	 *
 	 * @return IMountPoint|null
 	 */
+	#[\Override]
 	public function getMountFromMountInfo(ICachedMountInfo $info): ?IMountPoint {
 		$this->setupManager->setupForPath($info->getMountPoint());
 		foreach ($this->mounts as $mount) {
diff --git a/lib/private/Files/Mount/MountPoint.php b/lib/private/Files/Mount/MountPoint.php
index 3538a1386c5..96009d58d09 100644
--- a/lib/private/Files/Mount/MountPoint.php
+++ b/lib/private/Files/Mount/MountPoint.php
@@ -99,6 +99,7 @@ class MountPoint implements IMountPoint {
 	 *
 	 * @return string
 	 */
+	#[\Override]
 	public function getMountPoint() {
 		return $this->mountPoint;
 	}
@@ -108,6 +109,7 @@ class MountPoint implements IMountPoint {
 	 *
 	 * @param string $mountPoint new mount point
 	 */
+	#[\Override]
 	public function setMountPoint($mountPoint) {
 		$this->mountPoint = $this->formatPath($mountPoint);
 	}
@@ -147,6 +149,7 @@ class MountPoint implements IMountPoint {
 	/**
 	 * @return IStorage|null
 	 */
+	#[\Override]
 	public function getStorage() {
 		if (is_null($this->storage)) {
 			$this->createStorage();
@@ -157,6 +160,7 @@ class MountPoint implements IMountPoint {
 	/**
 	 * @return string|null
 	 */
+	#[\Override]
 	public function getStorageId() {
 		if (!$this->storageId) {
 			$storage = $this->getStorage();
@@ -174,6 +178,7 @@ class MountPoint implements IMountPoint {
 	/**
 	 * @return int
 	 */
+	#[\Override]
 	public function getNumericStorageId() {
 		if (is_null($this->numericStorageId)) {
 			$storage = $this->getStorage();
@@ -189,6 +194,7 @@ class MountPoint implements IMountPoint {
 	 * @param string $path
 	 * @return string
 	 */
+	#[\Override]
 	public function getInternalPath($path) {
 		$path = Filesystem::normalizePath($path, true, false, true);
 		if ($this->mountPoint === $path || $this->mountPoint . '/' === $path) {
@@ -215,6 +221,7 @@ class MountPoint implements IMountPoint {
 	/**
 	 * @param callable $wrapper
 	 */
+	#[\Override]
 	public function wrapStorage($wrapper) {
 		$storage = $this->getStorage();
 		// storage can be null if it couldn't be initialized
@@ -230,6 +237,7 @@ class MountPoint implements IMountPoint {
 	 * @param mixed $default Default value for the mount option
 	 * @return mixed
 	 */
+	#[\Override]
 	public function getOption($name, $default) {
 		return $this->mountOptions[$name] ?? $default;
 	}
@@ -239,6 +247,7 @@ class MountPoint implements IMountPoint {
 	 *
 	 * @return array
 	 */
+	#[\Override]
 	public function getOptions() {
 		return $this->mountOptions;
 	}
@@ -248,6 +257,7 @@ class MountPoint implements IMountPoint {
 	 *
 	 * @return int
 	 */
+	#[\Override]
 	public function getStorageRootId() {
 		if (is_null($this->rootId) || $this->rootId === -1) {
 			$storage = $this->getStorage();
@@ -261,14 +271,17 @@ class MountPoint implements IMountPoint {
 		return $this->rootId;
 	}
 
+	#[\Override]
 	public function getMountId() {
 		return $this->mountId;
 	}
 
+	#[\Override]
 	public function getMountType() {
 		return '';
 	}
 
+	#[\Override]
 	public function getMountProvider(): string {
 		return $this->mountProvider;
 	}
diff --git a/lib/private/Files/Mount/ObjectHomeMountProvider.php b/lib/private/Files/Mount/ObjectHomeMountProvider.php
index 4b088f2c808..574a5594f87 100644
--- a/lib/private/Files/Mount/ObjectHomeMountProvider.php
+++ b/lib/private/Files/Mount/ObjectHomeMountProvider.php
@@ -30,6 +30,7 @@ class ObjectHomeMountProvider implements IHomeMountProvider {
 	 * @param IStorageFactory $loader
 	 * @return ?IMountPoint
 	 */
+	#[\Override]
 	public function getHomeMountForUser(IUser $user, IStorageFactory $loader): ?IMountPoint {
 		$objectStoreConfig = $this->objectStoreConfig->getObjectStoreConfigForUser($user);
 		if ($objectStoreConfig === null) {
diff --git a/lib/private/Files/Mount/RootMountProvider.php b/lib/private/Files/Mount/RootMountProvider.php
index a1ab474ba28..83d0ebef0a0 100644
--- a/lib/private/Files/Mount/RootMountProvider.php
+++ b/lib/private/Files/Mount/RootMountProvider.php
@@ -23,6 +23,7 @@ class RootMountProvider implements IRootMountProvider {
 	) {
 	}
 
+	#[\Override]
 	public function getRootMounts(IStorageFactory $loader): array {
 		$objectStoreConfig = $this->objectStoreConfig->getObjectStoreConfigForRoot();
 
diff --git a/lib/private/Files/Node/File.php b/lib/private/Files/Node/File.php
index 4e8aad1cfb1..de22ccc9f75 100644
--- a/lib/private/Files/Node/File.php
+++ b/lib/private/Files/Node/File.php
@@ -19,6 +19,7 @@ class File extends Node implements \OCP\Files\File {
 	 * @param string $path path
 	 * @return NonExistingFile non-existing node
 	 */
+	#[\Override]
 	protected function createNonExistingNode($path) {
 		return new NonExistingFile($this->root, $this->view, $path);
 	}
@@ -29,6 +30,7 @@ class File extends Node implements \OCP\Files\File {
 	 * @throws GenericFileException
 	 * @throws LockedException
 	 */
+	#[\Override]
 	public function getContent() {
 		if ($this->checkPermissions(Constants::PERMISSION_READ)) {
 			$content = $this->view->file_get_contents($this->path);
@@ -47,6 +49,7 @@ class File extends Node implements \OCP\Files\File {
 	 * @throws GenericFileException
 	 * @throws LockedException
 	 */
+	#[\Override]
 	public function putContent($data) {
 		if ($this->checkPermissions(Constants::PERMISSION_UPDATE)) {
 			$this->sendHooks(['preWrite']);
@@ -66,6 +69,7 @@ class File extends Node implements \OCP\Files\File {
 	 * @throws NotPermittedException
 	 * @throws LockedException
 	 */
+	#[\Override]
 	public function fopen($mode) {
 		$preHooks = [];
 		$postHooks = [];
@@ -106,6 +110,7 @@ class File extends Node implements \OCP\Files\File {
 	 * @throws \OCP\Files\InvalidPathException
 	 * @throws \OCP\Files\NotFoundException
 	 */
+	#[\Override]
 	public function delete() {
 		if ($this->checkPermissions(Constants::PERMISSION_DELETE)) {
 			$this->sendHooks(['preDelete']);
@@ -124,6 +129,7 @@ class File extends Node implements \OCP\Files\File {
 	 * @param bool $raw
 	 * @return string
 	 */
+	#[\Override]
 	public function hash($type, $raw = false) {
 		return $this->view->hash($type, $this->path, $raw);
 	}
@@ -131,10 +137,12 @@ class File extends Node implements \OCP\Files\File {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function getChecksum() {
 		return $this->getFileInfo()->getChecksum();
 	}
 
+	#[\Override]
 	public function getExtension(): string {
 		return $this->getFileInfo()->getExtension();
 	}
diff --git a/lib/private/Files/Node/Folder.php b/lib/private/Files/Node/Folder.php
index f103a34c9e9..37de7abfbe5 100644
--- a/lib/private/Files/Node/Folder.php
+++ b/lib/private/Files/Node/Folder.php
@@ -44,6 +44,7 @@ class Folder extends Node implements IFolder {
 	 * @param string $path path
 	 * @return NonExistingFolder non-existing node
 	 */
+	#[\Override]
 	protected function createNonExistingNode($path) {
 		return new NonExistingFolder($this->root, $this->view, $path);
 	}
@@ -53,6 +54,7 @@ class Folder extends Node implements IFolder {
 	 * @return string
 	 * @throws \OCP\Files\NotPermittedException
 	 */
+	#[\Override]
 	public function getFullPath($path) {
 		$path = $this->normalizePath($path);
 		if (!$this->isValidPath($path)) {
@@ -65,6 +67,7 @@ class Folder extends Node implements IFolder {
 	 * @param string $path
 	 * @return string|null
 	 */
+	#[\Override]
 	public function getRelativePath($path) {
 		return PathHelper::getRelativePath($this->getPath(), $path);
 	}
@@ -75,6 +78,7 @@ class Folder extends Node implements IFolder {
 	 * @param \OC\Files\Node\Node $node
 	 * @return bool
 	 */
+	#[\Override]
 	public function isSubNode($node) {
 		return str_starts_with($node->getPath(), $this->path . '/');
 	}
@@ -106,10 +110,12 @@ class Folder extends Node implements IFolder {
 		}
 	}
 
+	#[\Override]
 	public function get($path) {
 		return $this->root->get($this->getFullPath($path));
 	}
 
+	#[\Override]
 	public function nodeExists($path) {
 		try {
 			$this->get($path);
@@ -124,6 +130,7 @@ class Folder extends Node implements IFolder {
 	 * @return \OC\Files\Node\Folder
 	 * @throws \OCP\Files\NotPermittedException
 	 */
+	#[\Override]
 	public function newFolder($path) {
 		if ($this->checkPermissions(Constants::PERMISSION_CREATE)) {
 			$fullPath = $this->getFullPath($path);
@@ -160,6 +167,7 @@ class Folder extends Node implements IFolder {
 	 * @return File
 	 * @throws \OCP\Files\NotPermittedException
 	 */
+	#[\Override]
 	public function newFile($path, $content = null) {
 		if ($path === '') {
 			throw new NotPermittedException('Could not create as provided path is empty');
@@ -202,6 +210,7 @@ class Folder extends Node implements IFolder {
 	 * @param string|ISearchQuery $query
 	 * @return \OC\Files\Node\Node[]
 	 */
+	#[\Override]
 	public function search($query) {
 		if (is_string($query)) {
 			$query = $this->queryFromOperator(new SearchComparison(ISearchComparison::COMPARE_LIKE, 'name', '%' . $query . '%'));
@@ -284,6 +293,7 @@ class Folder extends Node implements IFolder {
 	 * @param string $mimetype
 	 * @return Node[]
 	 */
+	#[\Override]
 	public function searchByMime($mimetype) {
 		if (!str_contains($mimetype, '/')) {
 			$query = $this->queryFromOperator(new SearchComparison(ISearchComparison::COMPARE_LIKE, 'mimetype', $mimetype . '/%'));
@@ -300,11 +310,13 @@ class Folder extends Node implements IFolder {
 	 * @param string $userId owner of the tags
 	 * @return Node[]
 	 */
+	#[\Override]
 	public function searchByTag($tag, $userId) {
 		$query = $this->queryFromOperator(new SearchComparison(ISearchComparison::COMPARE_EQUAL, 'tagname', $tag), $userId);
 		return $this->search($query);
 	}
 
+	#[\Override]
 	public function searchBySystemTag(string $tagName, string $userId, int $limit = 0, int $offset = 0): array {
 		$query = $this->queryFromOperator(new SearchComparison(ISearchComparison::COMPARE_EQUAL, 'systemtag', $tagName), $userId, $limit, $offset);
 		return $this->search($query);
@@ -314,10 +326,12 @@ class Folder extends Node implements IFolder {
 	 * @param int $id
 	 * @return \OCP\Files\Node[]
 	 */
+	#[\Override]
 	public function getById($id) {
 		return $this->root->getByIdInPath((int)$id, $this->getPath());
 	}
 
+	#[\Override]
 	public function getFirstNodeById(int $id): ?INode {
 		return $this->root->getFirstNodeByIdInPath($id, $this->getPath());
 	}
@@ -370,10 +384,12 @@ class Folder extends Node implements IFolder {
 			))];
 	}
 
+	#[\Override]
 	public function getFreeSpace() {
 		return $this->view->free_space($this->path);
 	}
 
+	#[\Override]
 	public function delete() {
 		if ($this->checkPermissions(Constants::PERMISSION_DELETE)) {
 			$this->sendHooks(['preDelete']);
@@ -394,6 +410,7 @@ class Folder extends Node implements IFolder {
 	 * @return string
 	 * @throws NotPermittedException
 	 */
+	#[\Override]
 	public function getNonExistingName($filename) {
 		$path = $this->getPath();
 		if ($path === '/') {
@@ -441,6 +458,7 @@ class Folder extends Node implements IFolder {
 	 * @param int $offset
 	 * @return INode[]
 	 */
+	#[\Override]
 	public function getRecent($limit, $offset = 0) {
 		$filterOutNonEmptyFolder = new SearchBinaryOperator(
 			// filter out non empty folders
@@ -504,6 +522,7 @@ class Folder extends Node implements IFolder {
 		return $this->search($query);
 	}
 
+	#[\Override]
 	public function verifyPath($fileName, $readonly = false): void {
 		$this->view->verifyPath(
 			$this->getPath(),
diff --git a/lib/private/Files/Node/LazyFolder.php b/lib/private/Files/Node/LazyFolder.php
index 1bc663f76b6..cd67de7c33a 100644
--- a/lib/private/Files/Node/LazyFolder.php
+++ b/lib/private/Files/Node/LazyFolder.php
@@ -136,6 +136,7 @@ class LazyFolder implements Folder {
 		$this->__call(__FUNCTION__, func_get_args());
 	}
 
+	#[\Override]
 	public function get($path) {
 		return $this->getRootFolder()->get($this->getFullPath($path));
 	}
@@ -155,6 +156,7 @@ class LazyFolder implements Folder {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function delete() {
 		return $this->__call(__FUNCTION__, func_get_args());
 	}
@@ -162,6 +164,7 @@ class LazyFolder implements Folder {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function copy($targetPath) {
 		return $this->__call(__FUNCTION__, func_get_args());
 	}
@@ -169,6 +172,7 @@ class LazyFolder implements Folder {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function touch($mtime = null) {
 		$this->__call(__FUNCTION__, func_get_args());
 	}
@@ -176,6 +180,7 @@ class LazyFolder implements Folder {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function getStorage() {
 		return $this->__call(__FUNCTION__, func_get_args());
 	}
@@ -183,6 +188,7 @@ class LazyFolder implements Folder {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function getPath() {
 		if (isset($this->data['path'])) {
 			return $this->data['path'];
@@ -193,6 +199,7 @@ class LazyFolder implements Folder {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function getInternalPath() {
 		return $this->__call(__FUNCTION__, func_get_args());
 	}
@@ -200,6 +207,7 @@ class LazyFolder implements Folder {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function getId() {
 		if (isset($this->data['fileid'])) {
 			return $this->data['fileid'];
@@ -210,6 +218,7 @@ class LazyFolder implements Folder {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function stat() {
 		return $this->__call(__FUNCTION__, func_get_args());
 	}
@@ -217,6 +226,7 @@ class LazyFolder implements Folder {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function getMTime() {
 		if (isset($this->data['mtime'])) {
 			return $this->data['mtime'];
@@ -227,6 +237,7 @@ class LazyFolder implements Folder {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function getSize($includeMounts = true): int|float {
 		if (isset($this->data['size'])) {
 			return $this->data['size'];
@@ -237,6 +248,7 @@ class LazyFolder implements Folder {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function getEtag() {
 		if (isset($this->data['etag'])) {
 			return $this->data['etag'];
@@ -247,6 +259,7 @@ class LazyFolder implements Folder {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function getPermissions() {
 		if (isset($this->data['permissions'])) {
 			return $this->data['permissions'];
@@ -257,6 +270,7 @@ class LazyFolder implements Folder {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function isReadable() {
 		if (isset($this->data['permissions'])) {
 			return ($this->data['permissions'] & Constants::PERMISSION_READ) === Constants::PERMISSION_READ;
@@ -267,6 +281,7 @@ class LazyFolder implements Folder {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function isUpdateable() {
 		if (isset($this->data['permissions'])) {
 			return ($this->data['permissions'] & Constants::PERMISSION_UPDATE) === Constants::PERMISSION_UPDATE;
@@ -277,6 +292,7 @@ class LazyFolder implements Folder {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function isDeletable() {
 		if (isset($this->data['permissions'])) {
 			return ($this->data['permissions'] & Constants::PERMISSION_DELETE) === Constants::PERMISSION_DELETE;
@@ -287,6 +303,7 @@ class LazyFolder implements Folder {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function isShareable() {
 		if (isset($this->data['permissions'])) {
 			return ($this->data['permissions'] & Constants::PERMISSION_SHARE) === Constants::PERMISSION_SHARE;
@@ -297,6 +314,7 @@ class LazyFolder implements Folder {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function getParent() {
 		return $this->__call(__FUNCTION__, func_get_args());
 	}
@@ -304,6 +322,7 @@ class LazyFolder implements Folder {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function getName() {
 		if (isset($this->data['path'])) {
 			return basename($this->data['path']);
@@ -321,6 +340,7 @@ class LazyFolder implements Folder {
 		return $this->__call(__FUNCTION__, func_get_args());
 	}
 
+	#[\Override]
 	public function getMimetype(): string {
 		if (isset($this->data['mimetype'])) {
 			return $this->data['mimetype'];
@@ -331,6 +351,7 @@ class LazyFolder implements Folder {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function getMimePart() {
 		if (isset($this->data['mimetype'])) {
 			[$part,] = explode('/', $this->data['mimetype']);
@@ -342,6 +363,7 @@ class LazyFolder implements Folder {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function isEncrypted() {
 		return $this->__call(__FUNCTION__, func_get_args());
 	}
@@ -349,6 +371,7 @@ class LazyFolder implements Folder {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function getType() {
 		if (isset($this->data['type'])) {
 			return $this->data['type'];
@@ -359,6 +382,7 @@ class LazyFolder implements Folder {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function isShared() {
 		return $this->__call(__FUNCTION__, func_get_args());
 	}
@@ -366,6 +390,7 @@ class LazyFolder implements Folder {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function isMounted() {
 		return $this->__call(__FUNCTION__, func_get_args());
 	}
@@ -373,6 +398,7 @@ class LazyFolder implements Folder {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function getMountPoint() {
 		return $this->__call(__FUNCTION__, func_get_args());
 	}
@@ -380,6 +406,7 @@ class LazyFolder implements Folder {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function getOwner() {
 		return $this->__call(__FUNCTION__, func_get_args());
 	}
@@ -387,10 +414,12 @@ class LazyFolder implements Folder {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function getChecksum() {
 		return $this->__call(__FUNCTION__, func_get_args());
 	}
 
+	#[\Override]
 	public function getExtension(): string {
 		return $this->__call(__FUNCTION__, func_get_args());
 	}
@@ -398,6 +427,7 @@ class LazyFolder implements Folder {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function getFullPath($path) {
 		if (isset($this->data['path'])) {
 			$path = PathHelper::normalizePath($path);
@@ -412,6 +442,7 @@ class LazyFolder implements Folder {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function isSubNode($node) {
 		return $this->__call(__FUNCTION__, func_get_args());
 	}
@@ -421,6 +452,7 @@ class LazyFolder implements Folder {
 		return $this->__call(__FUNCTION__, func_get_args());
 	}
 
+	#[\Override]
 	public function nodeExists($path) {
 		return $this->__call(__FUNCTION__, func_get_args());
 	}
@@ -428,6 +460,7 @@ class LazyFolder implements Folder {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function newFolder($path) {
 		return $this->__call(__FUNCTION__, func_get_args());
 	}
@@ -435,6 +468,7 @@ class LazyFolder implements Folder {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function newFile($path, $content = null) {
 		return $this->__call(__FUNCTION__, func_get_args());
 	}
@@ -442,6 +476,7 @@ class LazyFolder implements Folder {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function search($query) {
 		return $this->__call(__FUNCTION__, func_get_args());
 	}
@@ -449,6 +484,7 @@ class LazyFolder implements Folder {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function searchByMime($mimetype) {
 		return $this->__call(__FUNCTION__, func_get_args());
 	}
@@ -456,10 +492,12 @@ class LazyFolder implements Folder {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function searchByTag($tag, $userId) {
 		return $this->__call(__FUNCTION__, func_get_args());
 	}
 
+	#[\Override]
 	public function searchBySystemTag(string $tagName, string $userId, int $limit = 0, int $offset = 0) {
 		return $this->__call(__FUNCTION__, func_get_args());
 	}
@@ -467,10 +505,12 @@ class LazyFolder implements Folder {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function getById($id) {
 		return $this->getRootFolder()->getByIdInPath((int)$id, $this->getPath());
 	}
 
+	#[\Override]
 	public function getFirstNodeById(int $id): ?Node {
 		return $this->getRootFolder()->getFirstNodeByIdInPath($id, $this->getPath());
 	}
@@ -478,6 +518,7 @@ class LazyFolder implements Folder {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function getFreeSpace() {
 		return $this->__call(__FUNCTION__, func_get_args());
 	}
@@ -485,6 +526,7 @@ class LazyFolder implements Folder {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function isCreatable() {
 		return $this->__call(__FUNCTION__, func_get_args());
 	}
@@ -492,6 +534,7 @@ class LazyFolder implements Folder {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function getNonExistingName($filename) {
 		return $this->__call(__FUNCTION__, func_get_args());
 	}
@@ -499,6 +542,7 @@ class LazyFolder implements Folder {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function move($targetPath) {
 		return $this->__call(__FUNCTION__, func_get_args());
 	}
@@ -506,6 +550,7 @@ class LazyFolder implements Folder {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function lock($type) {
 		return $this->__call(__FUNCTION__, func_get_args());
 	}
@@ -513,6 +558,7 @@ class LazyFolder implements Folder {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function changeLock($targetType) {
 		return $this->__call(__FUNCTION__, func_get_args());
 	}
@@ -520,6 +566,7 @@ class LazyFolder implements Folder {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function unlock($type) {
 		return $this->__call(__FUNCTION__, func_get_args());
 	}
@@ -527,6 +574,7 @@ class LazyFolder implements Folder {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function getRecent($limit, $offset = 0) {
 		return $this->__call(__FUNCTION__, func_get_args());
 	}
@@ -534,6 +582,7 @@ class LazyFolder implements Folder {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function getCreationTime(): int {
 		return $this->__call(__FUNCTION__, func_get_args());
 	}
@@ -541,6 +590,7 @@ class LazyFolder implements Folder {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function getUploadTime(): int {
 		return $this->__call(__FUNCTION__, func_get_args());
 	}
@@ -548,14 +598,17 @@ class LazyFolder implements Folder {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function getLastActivity(): int {
 		return $this->__call(__FUNCTION__, func_get_args());
 	}
 
+	#[\Override]
 	public function getRelativePath($path) {
 		return PathHelper::getRelativePath($this->getPath(), $path);
 	}
 
+	#[\Override]
 	public function getParentId(): int {
 		if (isset($this->data['parent'])) {
 			return $this->data['parent'];
@@ -567,14 +620,17 @@ class LazyFolder implements Folder {
 	 * @inheritDoc
 	 * @return array<string, int|string|bool|float|string[]|int[]>
 	 */
+	#[\Override]
 	public function getMetadata(): array {
 		return $this->data['metadata'] ?? $this->__call(__FUNCTION__, func_get_args());
 	}
 
+	#[\Override]
 	public function getData(): ICacheEntry {
 		return $this->__call(__FUNCTION__, func_get_args());
 	}
 
+	#[\Override]
 	public function verifyPath($fileName, $readonly = false): void {
 		$this->__call(__FUNCTION__, func_get_args());
 	}
diff --git a/lib/private/Files/Node/LazyRoot.php b/lib/private/Files/Node/LazyRoot.php
index 8920a2f68f6..cf1cd90245b 100644
--- a/lib/private/Files/Node/LazyRoot.php
+++ b/lib/private/Files/Node/LazyRoot.php
@@ -25,6 +25,7 @@ class LazyRoot extends LazyFolder implements IRootFolder {
 		parent::__construct($this, $folderClosure, $data);
 	}
 
+	#[\Override]
 	protected function getRootFolder(): IRootFolder {
 		$folder = $this->getRealFolder();
 		if (!$folder instanceof IRootFolder) {
@@ -33,22 +34,27 @@ class LazyRoot extends LazyFolder implements IRootFolder {
 		return $folder;
 	}
 
+	#[\Override]
 	public function getUserFolder($userId) {
 		return $this->__call(__FUNCTION__, func_get_args());
 	}
 
+	#[\Override]
 	public function getByIdInPath(int $id, string $path) {
 		return $this->__call(__FUNCTION__, func_get_args());
 	}
 
+	#[\Override]
 	public function getFirstNodeByIdInPath(int $id, string $path): ?INode {
 		return $this->__call(__FUNCTION__, func_get_args());
 	}
 
+	#[\Override]
 	public function getNodeFromCacheEntryAndMount(ICacheEntry $cacheEntry, IMountPoint $mountPoint): INode {
 		return $this->getRootFolder()->getNodeFromCacheEntryAndMount($cacheEntry, $mountPoint);
 	}
 
+	#[\Override]
 	public function getAppDataDirectoryName(): string {
 		return $this->__call(__FUNCTION__, func_get_args());
 	}
diff --git a/lib/private/Files/Node/LazyUserFolder.php b/lib/private/Files/Node/LazyUserFolder.php
index a75dd24391a..496d2be81a7 100644
--- a/lib/private/Files/Node/LazyUserFolder.php
+++ b/lib/private/Files/Node/LazyUserFolder.php
@@ -66,6 +66,7 @@ class LazyUserFolder extends LazyFolder {
 		);
 	}
 
+	#[\Override]
 	public function getMountPoint() {
 		if ($this->folder !== null) {
 			return $this->folder->getMountPoint();
diff --git a/lib/private/Files/Node/Node.php b/lib/private/Files/Node/Node.php
index 72050e97872..63e275d1f47 100644
--- a/lib/private/Files/Node/Node.php
+++ b/lib/private/Files/Node/Node.php
@@ -126,6 +126,7 @@ class Node implements INode {
 		return ($this->getPermissions() & $permissions) === $permissions;
 	}
 
+	#[\Override]
 	public function delete() {
 	}
 
@@ -135,6 +136,7 @@ class Node implements INode {
 	 * @throws NotFoundException
 	 * @throws NotPermittedException
 	 */
+	#[\Override]
 	public function touch($mtime = null) {
 		if ($this->checkPermissions(Constants::PERMISSION_UPDATE)) {
 			$this->sendHooks(['preTouch']);
@@ -151,6 +153,7 @@ class Node implements INode {
 		}
 	}
 
+	#[\Override]
 	public function getStorage() {
 		$storage = $this->getMountPoint()->getStorage();
 		if (!$storage) {
@@ -162,6 +165,7 @@ class Node implements INode {
 	/**
 	 * @return string
 	 */
+	#[\Override]
 	public function getPath() {
 		return $this->path;
 	}
@@ -169,6 +173,7 @@ class Node implements INode {
 	/**
 	 * @return string
 	 */
+	#[\Override]
 	public function getInternalPath() {
 		return $this->getFileInfo(false)->getInternalPath();
 	}
@@ -178,6 +183,7 @@ class Node implements INode {
 	 * @throws InvalidPathException
 	 * @throws NotFoundException
 	 */
+	#[\Override]
 	public function getId() {
 		return $this->getFileInfo(false)->getId() ?? -1;
 	}
@@ -185,6 +191,7 @@ class Node implements INode {
 	/**
 	 * @return array
 	 */
+	#[\Override]
 	public function stat() {
 		return $this->view->stat($this->path);
 	}
@@ -194,6 +201,7 @@ class Node implements INode {
 	 * @throws InvalidPathException
 	 * @throws NotFoundException
 	 */
+	#[\Override]
 	public function getMTime() {
 		return $this->getFileInfo()->getMTime();
 	}
@@ -204,6 +212,7 @@ class Node implements INode {
 	 * @throws InvalidPathException
 	 * @throws NotFoundException
 	 */
+	#[\Override]
 	public function getSize($includeMounts = true): int|float {
 		return $this->getFileInfo()->getSize($includeMounts);
 	}
@@ -213,6 +222,7 @@ class Node implements INode {
 	 * @throws InvalidPathException
 	 * @throws NotFoundException
 	 */
+	#[\Override]
 	public function getEtag() {
 		return $this->getFileInfo()->getEtag();
 	}
@@ -222,6 +232,7 @@ class Node implements INode {
 	 * @throws InvalidPathException
 	 * @throws NotFoundException
 	 */
+	#[\Override]
 	public function getPermissions() {
 		return $this->getFileInfo(false)->getPermissions();
 	}
@@ -231,6 +242,7 @@ class Node implements INode {
 	 * @throws InvalidPathException
 	 * @throws NotFoundException
 	 */
+	#[\Override]
 	public function isReadable() {
 		return $this->getFileInfo(false)->isReadable();
 	}
@@ -240,6 +252,7 @@ class Node implements INode {
 	 * @throws InvalidPathException
 	 * @throws NotFoundException
 	 */
+	#[\Override]
 	public function isUpdateable() {
 		return $this->getFileInfo(false)->isUpdateable();
 	}
@@ -249,6 +262,7 @@ class Node implements INode {
 	 * @throws InvalidPathException
 	 * @throws NotFoundException
 	 */
+	#[\Override]
 	public function isDeletable() {
 		return $this->getFileInfo(false)->isDeletable();
 	}
@@ -258,6 +272,7 @@ class Node implements INode {
 	 * @throws InvalidPathException
 	 * @throws NotFoundException
 	 */
+	#[\Override]
 	public function isShareable() {
 		return $this->getFileInfo(false)->isShareable();
 	}
@@ -267,10 +282,12 @@ class Node implements INode {
 	 * @throws InvalidPathException
 	 * @throws NotFoundException
 	 */
+	#[\Override]
 	public function isCreatable() {
 		return $this->getFileInfo(false)->isCreatable();
 	}
 
+	#[\Override]
 	public function getParent(): INode|IRootFolder {
 		if ($this->parent === null) {
 			$newPath = dirname($this->path);
@@ -305,6 +322,7 @@ class Node implements INode {
 	/**
 	 * @return string
 	 */
+	#[\Override]
 	public function getName() {
 		return basename($this->path);
 	}
@@ -327,41 +345,51 @@ class Node implements INode {
 		return Filesystem::isValidPath($path);
 	}
 
+	#[\Override]
 	public function isMounted() {
 		return $this->getFileInfo(false)->isMounted();
 	}
 
+	#[\Override]
 	public function isShared() {
 		return $this->getFileInfo(false)->isShared();
 	}
 
+	#[\Override]
 	public function getMimeType(): string {
 		return $this->getFileInfo(false)->getMimetype();
 	}
 
+	#[\Override]
 	public function getMimePart() {
 		return $this->getFileInfo(false)->getMimePart();
 	}
 
+	#[\Override]
 	public function getType() {
 		return $this->getFileInfo(false)->getType();
 	}
 
+	#[\Override]
 	public function isEncrypted() {
 		return $this->getFileInfo(false)->isEncrypted();
 	}
 
+	#[\Override]
 	public function getMountPoint() {
 		return $this->getFileInfo(false)->getMountPoint();
 	}
 
+	#[\Override]
 	public function getOwner() {
 		return $this->getFileInfo(false)->getOwner();
 	}
 
+	#[\Override]
 	public function getChecksum() {
 	}
 
+	#[\Override]
 	public function getExtension(): string {
 		return $this->getFileInfo(false)->getExtension();
 	}
@@ -370,6 +398,7 @@ class Node implements INode {
 	 * @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
 	 * @throws LockedException
 	 */
+	#[\Override]
 	public function lock($type) {
 		$this->view->lockFile($this->path, $type);
 	}
@@ -378,6 +407,7 @@ class Node implements INode {
 	 * @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
 	 * @throws LockedException
 	 */
+	#[\Override]
 	public function changeLock($type) {
 		$this->view->changeLock($this->path, $type);
 	}
@@ -386,6 +416,7 @@ class Node implements INode {
 	 * @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
 	 * @throws LockedException
 	 */
+	#[\Override]
 	public function unlock($type) {
 		$this->view->unlockFile($this->path, $type);
 	}
@@ -397,6 +428,7 @@ class Node implements INode {
 	 * @throws NotFoundException
 	 * @throws NotPermittedException if copy not allowed or failed
 	 */
+	#[\Override]
 	public function copy($targetPath) {
 		$targetPath = $this->normalizePath($targetPath);
 		$parent = $this->root->get(dirname($targetPath));
@@ -424,6 +456,7 @@ class Node implements INode {
 	 * @throws NotPermittedException if move not allowed or failed
 	 * @throws LockedException
 	 */
+	#[\Override]
 	public function move($targetPath) {
 		$targetPath = $this->normalizePath($targetPath);
 		$parent = $this->root->get(dirname($targetPath));
@@ -463,18 +496,22 @@ class Node implements INode {
 		}
 	}
 
+	#[\Override]
 	public function getCreationTime(): int {
 		return $this->getFileInfo()->getCreationTime();
 	}
 
+	#[\Override]
 	public function getUploadTime(): int {
 		return $this->getFileInfo()->getUploadTime();
 	}
 
+	#[\Override]
 	public function getLastActivity(): int {
 		return $this->getFileInfo()->getLastActivity();
 	}
 
+	#[\Override]
 	public function getParentId(): int {
 		return $this->fileInfo->getParentId();
 	}
@@ -483,10 +520,12 @@ class Node implements INode {
 	 * @inheritDoc
 	 * @return array<string, int|string|bool|float|string[]|int[]>
 	 */
+	#[\Override]
 	public function getMetadata(): array {
 		return $this->fileInfo->getMetadata();
 	}
 
+	#[\Override]
 	public function getData(): ICacheEntry {
 		return $this->fileInfo->getData();
 	}
diff --git a/lib/private/Files/Node/NonExistingFile.php b/lib/private/Files/Node/NonExistingFile.php
index 7fb375b941a..356ba5e4785 100644
--- a/lib/private/Files/Node/NonExistingFile.php
+++ b/lib/private/Files/Node/NonExistingFile.php
@@ -18,18 +18,22 @@ class NonExistingFile extends File {
 		throw new NotFoundException();
 	}
 
+	#[\Override]
 	public function delete() {
 		throw new NotFoundException();
 	}
 
+	#[\Override]
 	public function copy($targetPath) {
 		throw new NotFoundException();
 	}
 
+	#[\Override]
 	public function touch($mtime = null) {
 		throw new NotFoundException();
 	}
 
+	#[\Override]
 	public function getId() {
 		if ($this->fileInfo) {
 			return parent::getId();
@@ -38,6 +42,7 @@ class NonExistingFile extends File {
 		}
 	}
 
+	#[\Override]
 	public function getInternalPath() {
 		if ($this->fileInfo) {
 			return parent::getInternalPath();
@@ -46,10 +51,12 @@ class NonExistingFile extends File {
 		}
 	}
 
+	#[\Override]
 	public function stat() {
 		throw new NotFoundException();
 	}
 
+	#[\Override]
 	public function getMTime() {
 		if ($this->fileInfo) {
 			return parent::getMTime();
@@ -58,6 +65,7 @@ class NonExistingFile extends File {
 		}
 	}
 
+	#[\Override]
 	public function getSize($includeMounts = true): int|float {
 		if ($this->fileInfo) {
 			return parent::getSize($includeMounts);
@@ -66,6 +74,7 @@ class NonExistingFile extends File {
 		}
 	}
 
+	#[\Override]
 	public function getEtag() {
 		if ($this->fileInfo) {
 			return parent::getEtag();
@@ -74,6 +83,7 @@ class NonExistingFile extends File {
 		}
 	}
 
+	#[\Override]
 	public function getPermissions() {
 		if ($this->fileInfo) {
 			return parent::getPermissions();
@@ -82,6 +92,7 @@ class NonExistingFile extends File {
 		}
 	}
 
+	#[\Override]
 	public function isReadable() {
 		if ($this->fileInfo) {
 			return parent::isReadable();
@@ -90,6 +101,7 @@ class NonExistingFile extends File {
 		}
 	}
 
+	#[\Override]
 	public function isUpdateable() {
 		if ($this->fileInfo) {
 			return parent::isUpdateable();
@@ -98,6 +110,7 @@ class NonExistingFile extends File {
 		}
 	}
 
+	#[\Override]
 	public function isDeletable() {
 		if ($this->fileInfo) {
 			return parent::isDeletable();
@@ -106,6 +119,7 @@ class NonExistingFile extends File {
 		}
 	}
 
+	#[\Override]
 	public function isShareable() {
 		if ($this->fileInfo) {
 			return parent::isShareable();
@@ -114,14 +128,17 @@ class NonExistingFile extends File {
 		}
 	}
 
+	#[\Override]
 	public function getContent() {
 		throw new NotFoundException();
 	}
 
+	#[\Override]
 	public function putContent($data) {
 		throw new NotFoundException();
 	}
 
+	#[\Override]
 	public function getMimeType(): string {
 		if ($this->fileInfo) {
 			return parent::getMimeType();
@@ -130,6 +147,7 @@ class NonExistingFile extends File {
 		}
 	}
 
+	#[\Override]
 	public function fopen($mode) {
 		throw new NotFoundException();
 	}
diff --git a/lib/private/Files/Node/NonExistingFolder.php b/lib/private/Files/Node/NonExistingFolder.php
index 9e6638376cd..487170c98fa 100644
--- a/lib/private/Files/Node/NonExistingFolder.php
+++ b/lib/private/Files/Node/NonExistingFolder.php
@@ -20,18 +20,22 @@ class NonExistingFolder extends Folder {
 		throw new NotFoundException();
 	}
 
+	#[\Override]
 	public function delete() {
 		throw new NotFoundException();
 	}
 
+	#[\Override]
 	public function copy($targetPath) {
 		throw new NotFoundException();
 	}
 
+	#[\Override]
 	public function touch($mtime = null) {
 		throw new NotFoundException();
 	}
 
+	#[\Override]
 	public function getId() {
 		if ($this->fileInfo) {
 			return parent::getId();
@@ -40,6 +44,7 @@ class NonExistingFolder extends Folder {
 		}
 	}
 
+	#[\Override]
 	public function getInternalPath() {
 		if ($this->fileInfo) {
 			return parent::getInternalPath();
@@ -48,10 +53,12 @@ class NonExistingFolder extends Folder {
 		}
 	}
 
+	#[\Override]
 	public function stat() {
 		throw new NotFoundException();
 	}
 
+	#[\Override]
 	public function getMTime() {
 		if ($this->fileInfo) {
 			return parent::getMTime();
@@ -60,6 +67,7 @@ class NonExistingFolder extends Folder {
 		}
 	}
 
+	#[\Override]
 	public function getSize($includeMounts = true): int|float {
 		if ($this->fileInfo) {
 			return parent::getSize($includeMounts);
@@ -68,6 +76,7 @@ class NonExistingFolder extends Folder {
 		}
 	}
 
+	#[\Override]
 	public function getEtag() {
 		if ($this->fileInfo) {
 			return parent::getEtag();
@@ -76,6 +85,7 @@ class NonExistingFolder extends Folder {
 		}
 	}
 
+	#[\Override]
 	public function getPermissions() {
 		if ($this->fileInfo) {
 			return parent::getPermissions();
@@ -84,6 +94,7 @@ class NonExistingFolder extends Folder {
 		}
 	}
 
+	#[\Override]
 	public function isReadable() {
 		if ($this->fileInfo) {
 			return parent::isReadable();
@@ -92,6 +103,7 @@ class NonExistingFolder extends Folder {
 		}
 	}
 
+	#[\Override]
 	public function isUpdateable() {
 		if ($this->fileInfo) {
 			return parent::isUpdateable();
@@ -100,6 +112,7 @@ class NonExistingFolder extends Folder {
 		}
 	}
 
+	#[\Override]
 	public function isDeletable() {
 		if ($this->fileInfo) {
 			return parent::isDeletable();
@@ -108,6 +121,7 @@ class NonExistingFolder extends Folder {
 		}
 	}
 
+	#[\Override]
 	public function isShareable() {
 		if ($this->fileInfo) {
 			return parent::isShareable();
@@ -116,6 +130,7 @@ class NonExistingFolder extends Folder {
 		}
 	}
 
+	#[\Override]
 	public function get($path) {
 		throw new NotFoundException();
 	}
@@ -125,46 +140,57 @@ class NonExistingFolder extends Folder {
 		throw new NotFoundException();
 	}
 
+	#[\Override]
 	public function nodeExists($path) {
 		return false;
 	}
 
+	#[\Override]
 	public function newFolder($path) {
 		throw new NotFoundException();
 	}
 
+	#[\Override]
 	public function newFile($path, $content = null) {
 		throw new NotFoundException();
 	}
 
+	#[\Override]
 	public function search($query) {
 		throw new NotFoundException();
 	}
 
+	#[\Override]
 	public function searchByMime($mimetype) {
 		throw new NotFoundException();
 	}
 
+	#[\Override]
 	public function searchByTag($tag, $userId) {
 		throw new NotFoundException();
 	}
 
+	#[\Override]
 	public function searchBySystemTag(string $tagName, string $userId, int $limit = 0, int $offset = 0): array {
 		throw new NotFoundException();
 	}
 
+	#[\Override]
 	public function getById($id) {
 		throw new NotFoundException();
 	}
 
+	#[\Override]
 	public function getFirstNodeById(int $id): ?Node {
 		throw new NotFoundException();
 	}
 
+	#[\Override]
 	public function getFreeSpace() {
 		throw new NotFoundException();
 	}
 
+	#[\Override]
 	public function isCreatable() {
 		if ($this->fileInfo) {
 			return parent::isCreatable();
diff --git a/lib/private/Files/Node/Root.php b/lib/private/Files/Node/Root.php
index 0c121dc8b05..095db425ed6 100644
--- a/lib/private/Files/Node/Root.php
+++ b/lib/private/Files/Node/Root.php
@@ -97,6 +97,7 @@ class Root extends Folder implements IRootFolder {
 	 * @param string $method
 	 * @param callable $callback
 	 */
+	#[\Override]
 	public function listen($scope, $method, callable $callback) {
 		$this->emitter->listen($scope, $method, $callback);
 	}
@@ -106,6 +107,7 @@ class Root extends Folder implements IRootFolder {
 	 * @param string $method optional
 	 * @param callable $callback optional
 	 */
+	#[\Override]
 	public function removeListener($scope = null, $method = null, ?callable $callback = null) {
 		$this->emitter->removeListener($scope, $method, $callback);
 	}
@@ -129,6 +131,7 @@ class Root extends Folder implements IRootFolder {
 		$this->mountManager->addMount($mount);
 	}
 
+	#[\Override]
 	public function getMount(string $mountPoint): IMountPoint {
 		return $this->mountManager->find($mountPoint);
 	}
@@ -137,10 +140,12 @@ class Root extends Folder implements IRootFolder {
 	 * @param string $mountPoint
 	 * @return IMountPoint[]
 	 */
+	#[\Override]
 	public function getMountsIn(string $mountPoint): array {
 		return $this->mountManager->findIn($mountPoint);
 	}
 
+	#[\Override]
 	public function get($path) {
 		$path = $this->normalizePath($path);
 		if ($this->isValidPath($path)) {
@@ -167,6 +172,7 @@ class Root extends Folder implements IRootFolder {
 		throw new NotPermittedException();
 	}
 
+	#[\Override]
 	public function delete() {
 		throw new NotPermittedException();
 	}
@@ -176,6 +182,7 @@ class Root extends Folder implements IRootFolder {
 	 * @return Node
 	 * @throws \OCP\Files\NotPermittedException
 	 */
+	#[\Override]
 	public function copy($targetPath) {
 		throw new NotPermittedException();
 	}
@@ -184,6 +191,7 @@ class Root extends Folder implements IRootFolder {
 	 * @param int $mtime
 	 * @throws \OCP\Files\NotPermittedException
 	 */
+	#[\Override]
 	public function touch($mtime = null) {
 		throw new NotPermittedException();
 	}
@@ -192,6 +200,7 @@ class Root extends Folder implements IRootFolder {
 	 * @return Storage
 	 * @throws \OCP\Files\NotFoundException
 	 */
+	#[\Override]
 	public function getStorage() {
 		throw new NotFoundException();
 	}
@@ -199,6 +208,7 @@ class Root extends Folder implements IRootFolder {
 	/**
 	 * @return string
 	 */
+	#[\Override]
 	public function getPath() {
 		return '/';
 	}
@@ -206,6 +216,7 @@ class Root extends Folder implements IRootFolder {
 	/**
 	 * @return string
 	 */
+	#[\Override]
 	public function getInternalPath() {
 		return '';
 	}
@@ -213,6 +224,7 @@ class Root extends Folder implements IRootFolder {
 	/**
 	 * @return int
 	 */
+	#[\Override]
 	public function getId() {
 		return 0;
 	}
@@ -220,6 +232,7 @@ class Root extends Folder implements IRootFolder {
 	/**
 	 * @return array
 	 */
+	#[\Override]
 	public function stat() {
 		return [];
 	}
@@ -227,6 +240,7 @@ class Root extends Folder implements IRootFolder {
 	/**
 	 * @return int
 	 */
+	#[\Override]
 	public function getMTime() {
 		return 0;
 	}
@@ -235,6 +249,7 @@ class Root extends Folder implements IRootFolder {
 	 * @param bool $includeMounts
 	 * @return int|float
 	 */
+	#[\Override]
 	public function getSize($includeMounts = true): int|float {
 		return 0;
 	}
@@ -242,6 +257,7 @@ class Root extends Folder implements IRootFolder {
 	/**
 	 * @return string
 	 */
+	#[\Override]
 	public function getEtag() {
 		return '';
 	}
@@ -249,6 +265,7 @@ class Root extends Folder implements IRootFolder {
 	/**
 	 * @return int
 	 */
+	#[\Override]
 	public function getPermissions() {
 		return Constants::PERMISSION_CREATE;
 	}
@@ -256,6 +273,7 @@ class Root extends Folder implements IRootFolder {
 	/**
 	 * @return bool
 	 */
+	#[\Override]
 	public function isReadable() {
 		return false;
 	}
@@ -263,6 +281,7 @@ class Root extends Folder implements IRootFolder {
 	/**
 	 * @return bool
 	 */
+	#[\Override]
 	public function isUpdateable() {
 		return false;
 	}
@@ -270,6 +289,7 @@ class Root extends Folder implements IRootFolder {
 	/**
 	 * @return bool
 	 */
+	#[\Override]
 	public function isDeletable() {
 		return false;
 	}
@@ -277,6 +297,7 @@ class Root extends Folder implements IRootFolder {
 	/**
 	 * @return bool
 	 */
+	#[\Override]
 	public function isShareable() {
 		return false;
 	}
@@ -284,6 +305,7 @@ class Root extends Folder implements IRootFolder {
 	/**
 	 * @throws \OCP\Files\NotFoundException
 	 */
+	#[\Override]
 	public function getParent(): INode|IRootFolder {
 		throw new NotFoundException();
 	}
@@ -291,6 +313,7 @@ class Root extends Folder implements IRootFolder {
 	/**
 	 * @return string
 	 */
+	#[\Override]
 	public function getName() {
 		return '';
 	}
@@ -303,6 +326,7 @@ class Root extends Folder implements IRootFolder {
 	 * @throws NoUserException
 	 * @throws NotPermittedException
 	 */
+	#[\Override]
 	public function getUserFolder($userId) {
 		$userObject = $this->userManager->get($userId);
 
@@ -350,6 +374,7 @@ class Root extends Folder implements IRootFolder {
 		return $this->userMountCache;
 	}
 
+	#[\Override]
 	public function getFirstNodeByIdInPath(int $id, string $path): ?INode {
 		// scope the cache by user, so we don't return nodes for different users
 		if ($this->user) {
@@ -382,6 +407,7 @@ class Root extends Folder implements IRootFolder {
 	/**
 	 * @return INode[]
 	 */
+	#[\Override]
 	public function getByIdInPath(int $id, string $path): array {
 		$mountCache = $this->getUserMountCache();
 		$setupManager = $this->mountManager->getSetupManager();
@@ -492,6 +518,7 @@ class Root extends Folder implements IRootFolder {
 		return $folders;
 	}
 
+	#[\Override]
 	public function getNodeFromCacheEntryAndMount(ICacheEntry $cacheEntry, IMountPoint $mountPoint): INode {
 		$path = $cacheEntry->getPath();
 		$fullPath = $mountPoint->getMountPoint() . $path;
diff --git a/lib/private/Files/Notify/Change.php b/lib/private/Files/Notify/Change.php
index 445b978746a..422b39356e0 100644
--- a/lib/private/Files/Notify/Change.php
+++ b/lib/private/Files/Notify/Change.php
@@ -25,6 +25,7 @@ class Change implements IChange {
 	 *
 	 * @return IChange::ADDED|IChange::REMOVED|IChange::MODIFIED|IChange::RENAMED
 	 */
+	#[\Override]
 	public function getType(): int {
 		return $this->type;
 	}
@@ -34,6 +35,7 @@ class Change implements IChange {
 	 *
 	 * Note, for rename changes this path is the old path for the file
 	 */
+	#[\Override]
 	public function getPath(): string {
 		return $this->path;
 	}
diff --git a/lib/private/Files/Notify/RenameChange.php b/lib/private/Files/Notify/RenameChange.php
index bb5c17d7cbc..d7dfde93118 100644
--- a/lib/private/Files/Notify/RenameChange.php
+++ b/lib/private/Files/Notify/RenameChange.php
@@ -26,6 +26,7 @@ class RenameChange extends Change implements IRenameChange {
 	/**
 	 * Get the new path of the renamed file relative to the storage root
 	 */
+	#[\Override]
 	public function getTargetPath(): string {
 		return $this->targetPath;
 	}
diff --git a/lib/private/Files/ObjectStore/AppdataPreviewObjectStoreStorage.php b/lib/private/Files/ObjectStore/AppdataPreviewObjectStoreStorage.php
index aaaee044bac..090c81cfe62 100644
--- a/lib/private/Files/ObjectStore/AppdataPreviewObjectStoreStorage.php
+++ b/lib/private/Files/ObjectStore/AppdataPreviewObjectStoreStorage.php
@@ -23,6 +23,7 @@ class AppdataPreviewObjectStoreStorage extends ObjectStoreStorage {
 		parent::__construct($parameters);
 	}
 
+	#[\Override]
 	public function getId(): string {
 		return 'object::appdata::preview:' . $this->internalId;
 	}
diff --git a/lib/private/Files/ObjectStore/Azure.php b/lib/private/Files/ObjectStore/Azure.php
index 4e7b0c51678..75add59f4ee 100644
--- a/lib/private/Files/ObjectStore/Azure.php
+++ b/lib/private/Files/ObjectStore/Azure.php
@@ -70,6 +70,7 @@ class Azure implements IObjectStore {
 	/**
 	 * @return string the container or bucket name where objects are stored
 	 */
+	#[\Override]
 	public function getStorageId() {
 		return 'azure::blob::' . $this->containerName;
 	}
@@ -79,11 +80,13 @@ class Azure implements IObjectStore {
 	 * @return resource stream with the read data
 	 * @throws \Exception when something goes wrong, message will be logged
 	 */
+	#[\Override]
 	public function readObject($urn) {
 		$blob = $this->getBlobClient()->getBlob($this->containerName, $urn);
 		return $blob->getContentStream();
 	}
 
+	#[\Override]
 	public function writeObject($urn, $stream, ?string $mimetype = null) {
 		$options = new CreateBlockBlobOptions();
 		if ($mimetype) {
@@ -97,10 +100,12 @@ class Azure implements IObjectStore {
 	 * @return void
 	 * @throws \Exception when something goes wrong, message will be logged
 	 */
+	#[\Override]
 	public function deleteObject($urn) {
 		$this->getBlobClient()->deleteBlob($this->containerName, $urn);
 	}
 
+	#[\Override]
 	public function objectExists($urn) {
 		try {
 			$this->getBlobClient()->getBlobMetadata($this->containerName, $urn);
@@ -114,10 +119,12 @@ class Azure implements IObjectStore {
 		}
 	}
 
+	#[\Override]
 	public function copyObject($from, $to) {
 		$this->getBlobClient()->copyBlob($this->containerName, $to, $this->containerName, $from);
 	}
 
+	#[\Override]
 	public function preSignedUrl(string $urn, \DateTimeInterface $expiration): ?string {
 		return null;
 	}
diff --git a/lib/private/Files/ObjectStore/HomeObjectStoreStorage.php b/lib/private/Files/ObjectStore/HomeObjectStoreStorage.php
index 4e2d10705fe..d157f86f5ae 100644
--- a/lib/private/Files/ObjectStore/HomeObjectStoreStorage.php
+++ b/lib/private/Files/ObjectStore/HomeObjectStoreStorage.php
@@ -28,14 +28,17 @@ class HomeObjectStoreStorage extends ObjectStoreStorage implements IHomeStorage
 		parent::__construct($parameters);
 	}
 
+	#[\Override]
 	public function getId(): string {
 		return 'object::user:' . $this->user->getUID();
 	}
 
+	#[\Override]
 	public function getOwner(string $path): string|false {
 		return $this->user->getUID();
 	}
 
+	#[\Override]
 	public function getUser(): IUser {
 		return $this->user;
 	}
diff --git a/lib/private/Files/ObjectStore/ObjectStoreScanner.php b/lib/private/Files/ObjectStore/ObjectStoreScanner.php
index a31947ec8ae..19ac35de3ce 100644
--- a/lib/private/Files/ObjectStore/ObjectStoreScanner.php
+++ b/lib/private/Files/ObjectStore/ObjectStoreScanner.php
@@ -12,18 +12,22 @@ use OCP\DB\QueryBuilder\IQueryBuilder;
 use OCP\Files\FileInfo;
 
 class ObjectStoreScanner extends Scanner {
+	#[\Override]
 	public function scanFile($file, $reuseExisting = 0, $parentId = -1, $cacheData = null, $lock = true, $data = null) {
 		return null;
 	}
 
+	#[\Override]
 	public function scan($path, $recursive = self::SCAN_RECURSIVE, $reuse = -1, $lock = true) {
 		return null;
 	}
 
+	#[\Override]
 	protected function scanChildren(string $path, $recursive, int $reuse, int $folderId, bool $lock, int|float $oldSize, &$etagChanged = false) {
 		return 0;
 	}
 
+	#[\Override]
 	public function backgroundScan() {
 		$lastPath = null;
 		// find any path marked as unscanned and run the scanner until no more paths are unscanned (or we get stuck)
diff --git a/lib/private/Files/ObjectStore/ObjectStoreStorage.php b/lib/private/Files/ObjectStore/ObjectStoreStorage.php
index 943e6d39ffb..bd69fa7926e 100644
--- a/lib/private/Files/ObjectStore/ObjectStoreStorage.php
+++ b/lib/private/Files/ObjectStore/ObjectStoreStorage.php
@@ -76,6 +76,7 @@ class ObjectStoreStorage extends Common implements IChunkedFileWrite {
 		$this->logger = Server::get(LoggerInterface::class);
 	}
 
+	#[\Override]
 	public function mkdir(string $path, bool $force = false, array $metadata = []): bool {
 		$path = $this->normalizePath($path);
 		if (!$force && $this->file_exists($path)) {
@@ -138,6 +139,7 @@ class ObjectStoreStorage extends Common implements IChunkedFileWrite {
 	 * Object Stores use a NoopScanner because metadata is directly stored in
 	 * the file cache and cannot really scan the filesystem. The storage passed in is not used anywhere.
 	 */
+	#[\Override]
 	public function getScanner(string $path = '', ?IStorage $storage = null): IScanner {
 		if (!$storage) {
 			$storage = $this;
@@ -149,10 +151,12 @@ class ObjectStoreStorage extends Common implements IChunkedFileWrite {
 		return $this->scanner;
 	}
 
+	#[\Override]
 	public function getId(): string {
 		return $this->id;
 	}
 
+	#[\Override]
 	public function rmdir(string $path): bool {
 		$path = $this->normalizePath($path);
 		$entry = $this->getCache()->get($path);
@@ -185,6 +189,7 @@ class ObjectStoreStorage extends Common implements IChunkedFileWrite {
 		return true;
 	}
 
+	#[\Override]
 	public function unlink(string $path): bool {
 		$path = $this->normalizePath($path);
 		$entry = $this->getCache()->get($path);
@@ -221,6 +226,7 @@ class ObjectStoreStorage extends Common implements IChunkedFileWrite {
 		return true;
 	}
 
+	#[\Override]
 	public function stat(string $path): array|false {
 		$path = $this->normalizePath($path);
 		$cacheEntry = $this->getCache()->get($path);
@@ -238,6 +244,7 @@ class ObjectStoreStorage extends Common implements IChunkedFileWrite {
 		}
 	}
 
+	#[\Override]
 	public function getPermissions(string $path): int {
 		$stat = $this->stat($path);
 
@@ -259,6 +266,7 @@ class ObjectStoreStorage extends Common implements IChunkedFileWrite {
 		return $this->objectPrefix . $fileId;
 	}
 
+	#[\Override]
 	public function opendir(string $path) {
 		$path = $this->normalizePath($path);
 
@@ -276,6 +284,7 @@ class ObjectStoreStorage extends Common implements IChunkedFileWrite {
 		}
 	}
 
+	#[\Override]
 	public function filetype(string $path): string|false {
 		$path = $this->normalizePath($path);
 		$stat = $this->stat($path);
@@ -289,6 +298,7 @@ class ObjectStoreStorage extends Common implements IChunkedFileWrite {
 		}
 	}
 
+	#[\Override]
 	public function fopen(string $path, string $mode) {
 		$path = $this->normalizePath($path);
 
@@ -381,11 +391,13 @@ class ObjectStoreStorage extends Common implements IChunkedFileWrite {
 		return false;
 	}
 
+	#[\Override]
 	public function file_exists(string $path): bool {
 		$path = $this->normalizePath($path);
 		return (bool)$this->stat($path);
 	}
 
+	#[\Override]
 	public function rename(string $source, string $target): bool {
 		$source = $this->normalizePath($source);
 		$target = $this->normalizePath($target);
@@ -395,11 +407,13 @@ class ObjectStoreStorage extends Common implements IChunkedFileWrite {
 		return true;
 	}
 
+	#[\Override]
 	public function getMimeType(string $path): string|false {
 		$path = $this->normalizePath($path);
 		return parent::getMimeType($path);
 	}
 
+	#[\Override]
 	public function touch(string $path, ?int $mtime = null): bool {
 		if (is_null($mtime)) {
 			$mtime = time();
@@ -441,14 +455,17 @@ class ObjectStoreStorage extends Common implements IChunkedFileWrite {
 		$this->writeStream($path, fopen($tmpFile, 'r'), $size);
 	}
 
+	#[\Override]
 	public function hasUpdated(string $path, int $time): bool {
 		return false;
 	}
 
+	#[\Override]
 	public function needsPartFile(): bool {
 		return false;
 	}
 
+	#[\Override]
 	public function file_put_contents(string $path, mixed $data): int {
 		$fh = fopen('php://temp', 'w+');
 		fwrite($fh, $data);
@@ -456,6 +473,7 @@ class ObjectStoreStorage extends Common implements IChunkedFileWrite {
 		return $this->writeStream($path, $fh, strlen($data));
 	}
 
+	#[\Override]
 	public function writeStream(string $path, $stream, ?int $size = null): int {
 		if ($size === null) {
 			$stats = fstat($stream);
@@ -575,6 +593,7 @@ class ObjectStoreStorage extends Common implements IChunkedFileWrite {
 		return $this->objectStore;
 	}
 
+	#[\Override]
 	public function copyFromStorage(
 		IStorage $sourceStorage,
 		string $sourceInternalPath,
@@ -601,6 +620,7 @@ class ObjectStoreStorage extends Common implements IChunkedFileWrite {
 		return parent::copyFromStorage($sourceStorage, $sourceInternalPath, $targetInternalPath);
 	}
 
+	#[\Override]
 	public function moveFromStorage(IStorage $sourceStorage, string $sourceInternalPath, string $targetInternalPath, ?ICacheEntry $sourceCacheEntry = null): bool {
 		$sourceCache = $sourceStorage->getCache();
 		if (
@@ -684,6 +704,7 @@ class ObjectStoreStorage extends Common implements IChunkedFileWrite {
 		}
 	}
 
+	#[\Override]
 	public function copy(string $source, string $target): bool {
 		$source = $this->normalizePath($source);
 		$target = $this->normalizePath($target);
@@ -738,6 +759,7 @@ class ObjectStoreStorage extends Common implements IChunkedFileWrite {
 		}
 	}
 
+	#[\Override]
 	public function startChunkedWrite(string $targetPath): string {
 		if (!$this->objectStore instanceof IObjectStoreMultiPartUpload) {
 			throw new GenericFileException('Object store does not support multipart upload');
@@ -750,6 +772,7 @@ class ObjectStoreStorage extends Common implements IChunkedFileWrite {
 	/**
 	 * @throws GenericFileException
 	 */
+	#[\Override]
 	public function putChunkedWritePart(
 		string $targetPath,
 		string $writeToken,
@@ -773,6 +796,7 @@ class ObjectStoreStorage extends Common implements IChunkedFileWrite {
 		return $parts[$chunkId];
 	}
 
+	#[\Override]
 	public function completeChunkedWrite(string $targetPath, string $writeToken): int {
 		if (!$this->objectStore instanceof IObjectStoreMultiPartUpload) {
 			throw new GenericFileException('Object store does not support multipart upload');
@@ -806,6 +830,7 @@ class ObjectStoreStorage extends Common implements IChunkedFileWrite {
 		return $size;
 	}
 
+	#[\Override]
 	public function cancelChunkedWrite(string $targetPath, string $writeToken): void {
 		if (!$this->objectStore instanceof IObjectStoreMultiPartUpload) {
 			throw new GenericFileException('Object store does not support multipart upload');
@@ -819,6 +844,7 @@ class ObjectStoreStorage extends Common implements IChunkedFileWrite {
 		$this->preserveCacheItemsOnDelete = $preserve;
 	}
 
+	#[\Override]
 	public function free_space(string $path): int|float|false {
 		if ($this->totalSizeLimit === null) {
 			return FileInfo::SPACE_UNLIMITED;
diff --git a/lib/private/Files/ObjectStore/S3.php b/lib/private/Files/ObjectStore/S3.php
index 80eee35f395..eeacfa3fca6 100644
--- a/lib/private/Files/ObjectStore/S3.php
+++ b/lib/private/Files/ObjectStore/S3.php
@@ -26,10 +26,12 @@ class S3 implements IObjectStore, IObjectStoreMultiPartUpload, IObjectStoreMetaD
 	 * @return string the container or bucket name where objects are stored
 	 * @since 7.0.0
 	 */
+	#[\Override]
 	public function getStorageId() {
 		return $this->id;
 	}
 
+	#[\Override]
 	public function initiateMultipartUpload(string $urn): string {
 		$upload = $this->getConnection()->createMultipartUpload([
 			'Bucket' => $this->bucket,
@@ -42,6 +44,7 @@ class S3 implements IObjectStore, IObjectStoreMultiPartUpload, IObjectStoreMetaD
 		return (string)$uploadId;
 	}
 
+	#[\Override]
 	public function uploadMultipartPart(string $urn, string $uploadId, int $partId, $stream, $size): Result {
 		return $this->getConnection()->uploadPart([
 			'Body' => $stream,
@@ -53,6 +56,7 @@ class S3 implements IObjectStore, IObjectStoreMultiPartUpload, IObjectStoreMetaD
 		] + $this->getServerSideEncryptionParameters());
 	}
 
+	#[\Override]
 	public function getMultipartUploads(string $urn, string $uploadId): array {
 		$parts = [];
 		$isTruncated = true;
@@ -74,6 +78,7 @@ class S3 implements IObjectStore, IObjectStoreMultiPartUpload, IObjectStoreMetaD
 		return $parts;
 	}
 
+	#[\Override]
 	public function completeMultipartUpload(string $urn, string $uploadId, array $result): int {
 		$this->getConnection()->completeMultipartUpload([
 			'Bucket' => $this->bucket,
@@ -88,6 +93,7 @@ class S3 implements IObjectStore, IObjectStoreMultiPartUpload, IObjectStoreMetaD
 		return (int)$stat->get('ContentLength');
 	}
 
+	#[\Override]
 	public function abortMultipartUpload($urn, $uploadId): void {
 		$this->getConnection()->abortMultipartUpload([
 			'Bucket' => $this->bucket,
@@ -109,6 +115,7 @@ class S3 implements IObjectStore, IObjectStoreMultiPartUpload, IObjectStoreMetaD
 		return $result;
 	}
 
+	#[\Override]
 	public function getObjectMetaData(string $urn): array {
 		$object = $this->getConnection()->headObject([
 			'Bucket' => $this->bucket,
@@ -121,6 +128,7 @@ class S3 implements IObjectStore, IObjectStoreMultiPartUpload, IObjectStoreMetaD
 		] + $this->parseS3Metadata($object['Metadata'] ?? []);
 	}
 
+	#[\Override]
 	public function listObjects(string $prefix = ''): \Iterator {
 		$results = $this->getConnection()->getPaginator('ListObjectsV2', [
 			'Bucket' => $this->bucket,
diff --git a/lib/private/Files/ObjectStore/S3Signature.php b/lib/private/Files/ObjectStore/S3Signature.php
index b80382ff67d..47b3cf8e7f5 100644
--- a/lib/private/Files/ObjectStore/S3Signature.php
+++ b/lib/private/Files/ObjectStore/S3Signature.php
@@ -40,6 +40,7 @@ class S3Signature implements SignatureInterface {
 		sort($this->signableQueryString);
 	}
 
+	#[\Override]
 	public function signRequest(
 		RequestInterface $request,
 		CredentialsInterface $credentials,
@@ -53,6 +54,7 @@ class S3Signature implements SignatureInterface {
 		return $request->withHeader('Authorization', $auth);
 	}
 
+	#[\Override]
 	public function presign(
 		RequestInterface $request,
 		CredentialsInterface $credentials,
diff --git a/lib/private/Files/ObjectStore/StorageObjectStore.php b/lib/private/Files/ObjectStore/StorageObjectStore.php
index f170116a3a6..0e8b54a6843 100644
--- a/lib/private/Files/ObjectStore/StorageObjectStore.php
+++ b/lib/private/Files/ObjectStore/StorageObjectStore.php
@@ -23,6 +23,7 @@ class StorageObjectStore implements IObjectStore {
 	 * @return string the container or bucket name where objects are stored
 	 * @since 7.0.0
 	 */
+	#[\Override]
 	public function getStorageId(): string {
 		return $this->storage->getId();
 	}
@@ -33,6 +34,7 @@ class StorageObjectStore implements IObjectStore {
 	 * @throws \Exception when something goes wrong, message will be logged
 	 * @since 7.0.0
 	 */
+	#[\Override]
 	public function readObject($urn) {
 		$handle = $this->storage->fopen($urn, 'r');
 		if (is_resource($handle)) {
@@ -42,6 +44,7 @@ class StorageObjectStore implements IObjectStore {
 		throw new \Exception();
 	}
 
+	#[\Override]
 	public function writeObject($urn, $stream, ?string $mimetype = null) {
 		$handle = $this->storage->fopen($urn, 'w');
 		if ($handle) {
@@ -58,18 +61,22 @@ class StorageObjectStore implements IObjectStore {
 	 * @throws \Exception when something goes wrong, message will be logged
 	 * @since 7.0.0
 	 */
+	#[\Override]
 	public function deleteObject($urn) {
 		$this->storage->unlink($urn);
 	}
 
+	#[\Override]
 	public function objectExists($urn) {
 		return $this->storage->file_exists($urn);
 	}
 
+	#[\Override]
 	public function copyObject($from, $to) {
 		$this->storage->copy($from, $to);
 	}
 
+	#[\Override]
 	public function preSignedUrl(string $urn, \DateTimeInterface $expiration): ?string {
 		return null;
 	}
diff --git a/lib/private/Files/ObjectStore/Swift.php b/lib/private/Files/ObjectStore/Swift.php
index b1fb7e520db..288af35bbaf 100644
--- a/lib/private/Files/ObjectStore/Swift.php
+++ b/lib/private/Files/ObjectStore/Swift.php
@@ -52,6 +52,7 @@ class Swift implements IObjectStore {
 	/**
 	 * @return string the container name where objects are stored
 	 */
+	#[\Override]
 	public function getStorageId() {
 		if (isset($this->params['bucket'])) {
 			return $this->params['bucket'];
@@ -60,6 +61,7 @@ class Swift implements IObjectStore {
 		return $this->params['container'];
 	}
 
+	#[\Override]
 	public function writeObject($urn, $stream, ?string $mimetype = null) {
 		$tmpFile = Server::get(ITempManager::class)->getTemporaryFile('swiftwrite');
 		file_put_contents($tmpFile, $stream);
@@ -87,6 +89,7 @@ class Swift implements IObjectStore {
 	 * @throws \Exception from openstack or GuzzleHttp libs when something goes wrong
 	 * @throws NotFoundException if file does not exist
 	 */
+	#[\Override]
 	public function readObject($urn) {
 		try {
 			$publicUri = $this->getContainer()->getObject($urn)->getPublicUri();
@@ -117,6 +120,7 @@ class Swift implements IObjectStore {
 	 * @return void
 	 * @throws \Exception from openstack lib when something goes wrong
 	 */
+	#[\Override]
 	public function deleteObject($urn) {
 		$this->getContainer()->getObject($urn)->delete();
 	}
@@ -129,15 +133,18 @@ class Swift implements IObjectStore {
 		$this->getContainer()->delete();
 	}
 
+	#[\Override]
 	public function objectExists($urn) {
 		return $this->getContainer()->objectExists($urn);
 	}
 
+	#[\Override]
 	public function copyObject($from, $to) {
 		$this->getContainer()->getObject($from)->copy([
 			'destination' => $this->getContainer()->name . '/' . $to
 		]);
 	}
+	#[\Override]
 	public function preSignedUrl(string $urn, \DateTimeInterface $expiration): ?string {
 		return null;
 	}
diff --git a/lib/private/Files/ObjectStore/SwiftV2CachingAuthService.php b/lib/private/Files/ObjectStore/SwiftV2CachingAuthService.php
index 266781af142..7ffd728a922 100644
--- a/lib/private/Files/ObjectStore/SwiftV2CachingAuthService.php
+++ b/lib/private/Files/ObjectStore/SwiftV2CachingAuthService.php
@@ -12,6 +12,7 @@ use OpenStack\Common\Auth\Token;
 use OpenStack\Identity\v2\Service;
 
 class SwiftV2CachingAuthService extends Service {
+	#[\Override]
 	public function authenticate(array $options = []): array {
 		if (isset($options['v2cachedToken'], $options['v2serviceUrl'])
 			&& $options['v2cachedToken'] instanceof Token
diff --git a/lib/private/Files/Search/QueryOptimizer/FlattenNestedBool.php b/lib/private/Files/Search/QueryOptimizer/FlattenNestedBool.php
index bb7bef2ed63..b4f3258709f 100644
--- a/lib/private/Files/Search/QueryOptimizer/FlattenNestedBool.php
+++ b/lib/private/Files/Search/QueryOptimizer/FlattenNestedBool.php
@@ -11,6 +11,7 @@ use OCP\Files\Search\ISearchBinaryOperator;
 use OCP\Files\Search\ISearchOperator;
 
 class FlattenNestedBool extends QueryOptimizerStep {
+	#[\Override]
 	public function processOperator(ISearchOperator &$operator) {
 		if (
 			$operator instanceof SearchBinaryOperator && (
diff --git a/lib/private/Files/Search/QueryOptimizer/FlattenSingleArgumentBinaryOperation.php b/lib/private/Files/Search/QueryOptimizer/FlattenSingleArgumentBinaryOperation.php
index 7e99c04f197..6c2e443f232 100644
--- a/lib/private/Files/Search/QueryOptimizer/FlattenSingleArgumentBinaryOperation.php
+++ b/lib/private/Files/Search/QueryOptimizer/FlattenSingleArgumentBinaryOperation.php
@@ -13,6 +13,7 @@ use OCP\Files\Search\ISearchOperator;
  * replace single argument AND and OR operations with their single argument
  */
 class FlattenSingleArgumentBinaryOperation extends ReplacingOptimizerStep {
+	#[\Override]
 	public function processOperator(ISearchOperator &$operator): bool {
 		parent::processOperator($operator);
 		if (
diff --git a/lib/private/Files/Search/QueryOptimizer/MergeDistributiveOperations.php b/lib/private/Files/Search/QueryOptimizer/MergeDistributiveOperations.php
index 4949ca7396b..74ce9fea93a 100644
--- a/lib/private/Files/Search/QueryOptimizer/MergeDistributiveOperations.php
+++ b/lib/private/Files/Search/QueryOptimizer/MergeDistributiveOperations.php
@@ -21,6 +21,7 @@ use OCP\Files\Search\ISearchOperator;
  * [1]: https://en.wikipedia.org/wiki/Distributive_property
  */
 class MergeDistributiveOperations extends ReplacingOptimizerStep {
+	#[\Override]
 	public function processOperator(ISearchOperator &$operator): bool {
 		if ($operator instanceof SearchBinaryOperator) {
 			// either 'AND' or 'OR'
diff --git a/lib/private/Files/Search/QueryOptimizer/OrEqualsToIn.php b/lib/private/Files/Search/QueryOptimizer/OrEqualsToIn.php
index 6df35c9c9a2..6fbada1d5a1 100644
--- a/lib/private/Files/Search/QueryOptimizer/OrEqualsToIn.php
+++ b/lib/private/Files/Search/QueryOptimizer/OrEqualsToIn.php
@@ -16,6 +16,7 @@ use OCP\Files\Search\ISearchOperator;
  * transform (field == A OR field == B ...) into field IN (A, B, ...)
  */
 class OrEqualsToIn extends ReplacingOptimizerStep {
+	#[\Override]
 	public function processOperator(ISearchOperator &$operator): bool {
 		if (
 			$operator instanceof ISearchBinaryOperator
diff --git a/lib/private/Files/Search/QueryOptimizer/PathPrefixOptimizer.php b/lib/private/Files/Search/QueryOptimizer/PathPrefixOptimizer.php
index 5e874aa159f..84022c2f71a 100644
--- a/lib/private/Files/Search/QueryOptimizer/PathPrefixOptimizer.php
+++ b/lib/private/Files/Search/QueryOptimizer/PathPrefixOptimizer.php
@@ -15,6 +15,7 @@ use OCP\Files\Search\ISearchOperator;
 class PathPrefixOptimizer extends QueryOptimizerStep {
 	private bool $useHashEq = true;
 
+	#[\Override]
 	public function inspectOperator(ISearchOperator $operator): void {
 		// normally any `path = "$path"` search filter would be generated as an `path_hash = md5($path)` sql query
 		// since the `path_hash` sql column usually provides much faster querying that selecting on the `path` sql column
@@ -31,6 +32,7 @@ class PathPrefixOptimizer extends QueryOptimizerStep {
 		parent::inspectOperator($operator);
 	}
 
+	#[\Override]
 	public function processOperator(ISearchOperator &$operator) {
 		if (!$this->useHashEq && $operator instanceof ISearchComparison && !$operator->getExtra() && $operator->getField() === 'path' && $operator->getType() === ISearchComparison::COMPARE_EQUAL) {
 			$operator->setQueryHint(ISearchComparison::HINT_PATH_EQ_HASH, false);
diff --git a/lib/private/Files/Search/QueryOptimizer/ReplacingOptimizerStep.php b/lib/private/Files/Search/QueryOptimizer/ReplacingOptimizerStep.php
index a9c9ba876bc..562ed4aa915 100644
--- a/lib/private/Files/Search/QueryOptimizer/ReplacingOptimizerStep.php
+++ b/lib/private/Files/Search/QueryOptimizer/ReplacingOptimizerStep.php
@@ -19,6 +19,7 @@ class ReplacingOptimizerStep extends QueryOptimizerStep {
 	 *
 	 * Returns true if the reference $operator points to a new value
 	 */
+	#[\Override]
 	public function processOperator(ISearchOperator &$operator): bool {
 		if ($operator instanceof SearchBinaryOperator) {
 			$modified = false;
diff --git a/lib/private/Files/Search/QueryOptimizer/SplitLargeIn.php b/lib/private/Files/Search/QueryOptimizer/SplitLargeIn.php
index 8aee1975708..660138f9d83 100644
--- a/lib/private/Files/Search/QueryOptimizer/SplitLargeIn.php
+++ b/lib/private/Files/Search/QueryOptimizer/SplitLargeIn.php
@@ -16,6 +16,7 @@ use OCP\Files\Search\ISearchOperator;
  * transform IN (1000+ element) into (IN (1000 elements) OR IN(...))
  */
 class SplitLargeIn extends ReplacingOptimizerStep {
+	#[\Override]
 	public function processOperator(ISearchOperator &$operator): bool {
 		if (
 			$operator instanceof ISearchComparison
diff --git a/lib/private/Files/Search/SearchBinaryOperator.php b/lib/private/Files/Search/SearchBinaryOperator.php
index ba8caa10cb8..95d222474d7 100644
--- a/lib/private/Files/Search/SearchBinaryOperator.php
+++ b/lib/private/Files/Search/SearchBinaryOperator.php
@@ -29,6 +29,7 @@ class SearchBinaryOperator implements ISearchBinaryOperator {
 	/**
 	 * @return string
 	 */
+	#[\Override]
 	public function getType() {
 		return $this->type;
 	}
@@ -36,6 +37,7 @@ class SearchBinaryOperator implements ISearchBinaryOperator {
 	/**
 	 * @return ISearchOperator[]
 	 */
+	#[\Override]
 	public function getArguments() {
 		return $this->arguments;
 	}
@@ -48,10 +50,12 @@ class SearchBinaryOperator implements ISearchBinaryOperator {
 		$this->arguments = $arguments;
 	}
 
+	#[\Override]
 	public function getQueryHint(string $name, $default) {
 		return $this->hints[$name] ?? $default;
 	}
 
+	#[\Override]
 	public function setQueryHint(string $name, $value): void {
 		$this->hints[$name] = $value;
 	}
diff --git a/lib/private/Files/Search/SearchComparison.php b/lib/private/Files/Search/SearchComparison.php
index c1f0176afd9..f3ebfa64858 100644
--- a/lib/private/Files/Search/SearchComparison.php
+++ b/lib/private/Files/Search/SearchComparison.php
@@ -27,6 +27,7 @@ class SearchComparison implements ISearchComparison {
 	/**
 	 * @return string
 	 */
+	#[\Override]
 	public function getType(): string {
 		return $this->type;
 	}
@@ -34,10 +35,12 @@ class SearchComparison implements ISearchComparison {
 	/**
 	 * @return string
 	 */
+	#[\Override]
 	public function getField(): string {
 		return $this->field;
 	}
 
+	#[\Override]
 	public function getValue(): string|int|bool|\DateTime|array {
 		return $this->value;
 	}
@@ -46,14 +49,17 @@ class SearchComparison implements ISearchComparison {
 	 * @return string
 	 * @since 28.0.0
 	 */
+	#[\Override]
 	public function getExtra(): string {
 		return $this->extra;
 	}
 
+	#[\Override]
 	public function getQueryHint(string $name, $default) {
 		return $this->hints[$name] ?? $default;
 	}
 
+	#[\Override]
 	public function setQueryHint(string $name, $value): void {
 		$this->hints[$name] = $value;
 	}
diff --git a/lib/private/Files/Search/SearchOrder.php b/lib/private/Files/Search/SearchOrder.php
index ce4a3211416..3c79e641512 100644
--- a/lib/private/Files/Search/SearchOrder.php
+++ b/lib/private/Files/Search/SearchOrder.php
@@ -22,6 +22,7 @@ class SearchOrder implements ISearchOrder {
 	/**
 	 * @return string
 	 */
+	#[\Override]
 	public function getDirection(): string {
 		return $this->direction;
 	}
@@ -29,6 +30,7 @@ class SearchOrder implements ISearchOrder {
 	/**
 	 * @return string
 	 */
+	#[\Override]
 	public function getField(): string {
 		return $this->field;
 	}
@@ -37,10 +39,12 @@ class SearchOrder implements ISearchOrder {
 	 * @return string
 	 * @since 28.0.0
 	 */
+	#[\Override]
 	public function getExtra(): string {
 		return $this->extra;
 	}
 
+	#[\Override]
 	public function sortFileInfo(FileInfo $a, FileInfo $b): int {
 		$cmp = $this->sortFileInfoNoDirection($a, $b);
 		return $cmp * ($this->direction === ISearchOrder::DIRECTION_ASCENDING ? 1 : -1);
diff --git a/lib/private/Files/Search/SearchQuery.php b/lib/private/Files/Search/SearchQuery.php
index 1c38c1ef162..ecefe02205a 100644
--- a/lib/private/Files/Search/SearchQuery.php
+++ b/lib/private/Files/Search/SearchQuery.php
@@ -27,14 +27,17 @@ class SearchQuery implements ISearchQuery {
 	) {
 	}
 
+	#[\Override]
 	public function getSearchOperation(): ISearchOperator {
 		return $this->searchOperation;
 	}
 
+	#[\Override]
 	public function getLimit(): int {
 		return $this->limit;
 	}
 
+	#[\Override]
 	public function getOffset(): int {
 		return $this->offset;
 	}
@@ -42,14 +45,17 @@ class SearchQuery implements ISearchQuery {
 	/**
 	 * @return ISearchOrder[]
 	 */
+	#[\Override]
 	public function getOrder(): array {
 		return $this->order;
 	}
 
+	#[\Override]
 	public function getUser(): ?IUser {
 		return $this->user;
 	}
 
+	#[\Override]
 	public function limitToHome(): bool {
 		return $this->limitToHome;
 	}
diff --git a/lib/private/Files/SimpleFS/NewSimpleFile.php b/lib/private/Files/SimpleFS/NewSimpleFile.php
index fbbe8a3902c..5f331e648d9 100644
--- a/lib/private/Files/SimpleFS/NewSimpleFile.php
+++ b/lib/private/Files/SimpleFS/NewSimpleFile.php
@@ -27,6 +27,7 @@ class NewSimpleFile implements ISimpleFile {
 	/**
 	 * Get the name
 	 */
+	#[\Override]
 	public function getName(): string {
 		return $this->name;
 	}
@@ -34,6 +35,7 @@ class NewSimpleFile implements ISimpleFile {
 	/**
 	 * Get the size in bytes
 	 */
+	#[\Override]
 	public function getSize(): int|float {
 		if ($this->file) {
 			return $this->file->getSize();
@@ -45,6 +47,7 @@ class NewSimpleFile implements ISimpleFile {
 	/**
 	 * Get the ETag
 	 */
+	#[\Override]
 	public function getETag(): string {
 		if ($this->file) {
 			return $this->file->getEtag();
@@ -56,6 +59,7 @@ class NewSimpleFile implements ISimpleFile {
 	/**
 	 * Get the last modification time
 	 */
+	#[\Override]
 	public function getMTime(): int {
 		if ($this->file) {
 			return $this->file->getMTime();
@@ -70,6 +74,7 @@ class NewSimpleFile implements ISimpleFile {
 	 * @throws NotFoundException
 	 * @throws NotPermittedException
 	 */
+	#[\Override]
 	public function getContent(): string {
 		if ($this->file) {
 			$result = $this->file->getContent();
@@ -91,6 +96,7 @@ class NewSimpleFile implements ISimpleFile {
 	 * @throws NotPermittedException
 	 * @throws NotFoundException
 	 */
+	#[\Override]
 	public function putContent($data): void {
 		try {
 			if ($this->file) {
@@ -141,6 +147,7 @@ class NewSimpleFile implements ISimpleFile {
 	 *
 	 * @throws NotPermittedException
 	 */
+	#[\Override]
 	public function delete(): void {
 		if ($this->file) {
 			$this->file->delete();
@@ -152,6 +159,7 @@ class NewSimpleFile implements ISimpleFile {
 	 *
 	 * @return string
 	 */
+	#[\Override]
 	public function getMimeType(): string {
 		if ($this->file) {
 			return $this->file->getMimeType();
@@ -163,6 +171,7 @@ class NewSimpleFile implements ISimpleFile {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function getExtension(): string {
 		if ($this->file) {
 			return $this->file->getExtension();
@@ -178,6 +187,7 @@ class NewSimpleFile implements ISimpleFile {
 	 * @throws NotPermittedException
 	 * @since 14.0.0
 	 */
+	#[\Override]
 	public function read() {
 		if ($this->file) {
 			return $this->file->fopen('r');
@@ -193,6 +203,7 @@ class NewSimpleFile implements ISimpleFile {
 	 * @throws NotPermittedException
 	 * @since 14.0.0
 	 */
+	#[\Override]
 	public function write() {
 		if ($this->file) {
 			return $this->file->fopen('w');
diff --git a/lib/private/Files/SimpleFS/SimpleFile.php b/lib/private/Files/SimpleFS/SimpleFile.php
index 4f9911a9ce9..b28a415f57e 100644
--- a/lib/private/Files/SimpleFS/SimpleFile.php
+++ b/lib/private/Files/SimpleFS/SimpleFile.php
@@ -22,6 +22,7 @@ class SimpleFile implements ISimpleFile {
 	/**
 	 * Get the name
 	 */
+	#[\Override]
 	public function getName(): string {
 		return $this->file->getName();
 	}
@@ -29,6 +30,7 @@ class SimpleFile implements ISimpleFile {
 	/**
 	 * Get the size in bytes
 	 */
+	#[\Override]
 	public function getSize(): int|float {
 		return $this->file->getSize();
 	}
@@ -36,6 +38,7 @@ class SimpleFile implements ISimpleFile {
 	/**
 	 * Get the ETag
 	 */
+	#[\Override]
 	public function getETag(): string {
 		return $this->file->getEtag();
 	}
@@ -43,6 +46,7 @@ class SimpleFile implements ISimpleFile {
 	/**
 	 * Get the last modification time
 	 */
+	#[\Override]
 	public function getMTime(): int {
 		return $this->file->getMTime();
 	}
@@ -55,6 +59,7 @@ class SimpleFile implements ISimpleFile {
 	 * @throws NotFoundException
 	 * @throws NotPermittedException
 	 */
+	#[\Override]
 	public function getContent(): string {
 		$result = $this->file->getContent();
 
@@ -74,6 +79,7 @@ class SimpleFile implements ISimpleFile {
 	 * @throws NotFoundException
 	 * @throws NotPermittedException
 	 */
+	#[\Override]
 	public function putContent($data): void {
 		try {
 			$this->file->putContent($data);
@@ -116,6 +122,7 @@ class SimpleFile implements ISimpleFile {
 	 *
 	 * @throws NotPermittedException
 	 */
+	#[\Override]
 	public function delete(): void {
 		$this->file->delete();
 	}
@@ -123,6 +130,7 @@ class SimpleFile implements ISimpleFile {
 	/**
 	 * Get the MimeType
 	 */
+	#[\Override]
 	public function getMimeType(): string {
 		return $this->file->getMimeType();
 	}
@@ -130,6 +138,7 @@ class SimpleFile implements ISimpleFile {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function getExtension(): string {
 		return $this->file->getExtension();
 	}
@@ -141,6 +150,7 @@ class SimpleFile implements ISimpleFile {
 	 * @throws NotPermittedException
 	 * @since 14.0.0
 	 */
+	#[\Override]
 	public function read() {
 		return $this->file->fopen('r');
 	}
@@ -152,6 +162,7 @@ class SimpleFile implements ISimpleFile {
 	 * @throws NotPermittedException
 	 * @since 14.0.0
 	 */
+	#[\Override]
 	public function write() {
 		return $this->file->fopen('w');
 	}
diff --git a/lib/private/Files/SimpleFS/SimpleFolder.php b/lib/private/Files/SimpleFS/SimpleFolder.php
index 2f983700698..2124302823c 100644
--- a/lib/private/Files/SimpleFS/SimpleFolder.php
+++ b/lib/private/Files/SimpleFS/SimpleFolder.php
@@ -19,10 +19,12 @@ class SimpleFolder implements ISimpleFolder {
 	) {
 	}
 
+	#[\Override]
 	public function getName(): string {
 		return $this->folder->getName();
 	}
 
+	#[\Override]
 	public function getDirectoryListing(): array {
 		$listing = $this->folder->getDirectoryListing();
 
@@ -38,14 +40,17 @@ class SimpleFolder implements ISimpleFolder {
 		return array_values($fileListing);
 	}
 
+	#[\Override]
 	public function delete(): void {
 		$this->folder->delete();
 	}
 
+	#[\Override]
 	public function fileExists(string $name): bool {
 		return $this->folder->nodeExists($name);
 	}
 
+	#[\Override]
 	public function getFile(string $name): ISimpleFile {
 		$file = $this->folder->get($name);
 
@@ -56,6 +61,7 @@ class SimpleFolder implements ISimpleFolder {
 		return new SimpleFile($file);
 	}
 
+	#[\Override]
 	public function newFile(string $name, $content = null): ISimpleFile {
 		if ($content === null) {
 			// delay creating the file until it's written to
@@ -66,6 +72,7 @@ class SimpleFolder implements ISimpleFolder {
 		}
 	}
 
+	#[\Override]
 	public function getFolder(string $name): ISimpleFolder {
 		$folder = $this->folder->get($name);
 
@@ -76,6 +83,7 @@ class SimpleFolder implements ISimpleFolder {
 		return new SimpleFolder($folder);
 	}
 
+	#[\Override]
 	public function newFolder(string $path): ISimpleFolder {
 		$folder = $this->folder->newFolder($path);
 		return new SimpleFolder($folder);
diff --git a/lib/private/Files/Storage/Common.php b/lib/private/Files/Storage/Common.php
index bb6848bc4fb..dbb98eda9b7 100644
--- a/lib/private/Files/Storage/Common.php
+++ b/lib/private/Files/Storage/Common.php
@@ -90,14 +90,17 @@ abstract class Common implements Storage, ILockingStorage, IWriteStreamStorage,
 		return false;
 	}
 
+	#[\Override]
 	public function is_dir(string $path): bool {
 		return $this->filetype($path) === 'dir';
 	}
 
+	#[\Override]
 	public function is_file(string $path): bool {
 		return $this->filetype($path) === 'file';
 	}
 
+	#[\Override]
 	public function filesize(string $path): int|float|false {
 		$type = $this->filetype($path);
 		if ($type === false) {
@@ -111,12 +114,14 @@ abstract class Common implements Storage, ILockingStorage, IWriteStreamStorage,
 		}
 	}
 
+	#[\Override]
 	public function isReadable(string $path): bool {
 		// at least check whether it exists
 		// subclasses might want to implement this more thoroughly
 		return $this->file_exists($path);
 	}
 
+	#[\Override]
 	public function isUpdatable(string $path): bool {
 		// at least check whether it exists
 		// subclasses might want to implement this more thoroughly
@@ -124,6 +129,7 @@ abstract class Common implements Storage, ILockingStorage, IWriteStreamStorage,
 		return $this->file_exists($path);
 	}
 
+	#[\Override]
 	public function isCreatable(string $path): bool {
 		if ($this->is_dir($path) && $this->isUpdatable($path)) {
 			return true;
@@ -131,6 +137,7 @@ abstract class Common implements Storage, ILockingStorage, IWriteStreamStorage,
 		return false;
 	}
 
+	#[\Override]
 	public function isDeletable(string $path): bool {
 		if ($path === '' || $path === '/') {
 			return $this->isUpdatable($path);
@@ -139,10 +146,12 @@ abstract class Common implements Storage, ILockingStorage, IWriteStreamStorage,
 		return $this->isUpdatable($parent) && $this->isUpdatable($path);
 	}
 
+	#[\Override]
 	public function isSharable(string $path): bool {
 		return $this->isReadable($path);
 	}
 
+	#[\Override]
 	public function getPermissions(string $path): int {
 		$permissions = 0;
 		if ($this->isCreatable($path)) {
@@ -163,6 +172,7 @@ abstract class Common implements Storage, ILockingStorage, IWriteStreamStorage,
 		return $permissions;
 	}
 
+	#[\Override]
 	public function filemtime(string $path): int|false {
 		$stat = $this->stat($path);
 		if (isset($stat['mtime']) && $stat['mtime'] > 0) {
@@ -172,6 +182,7 @@ abstract class Common implements Storage, ILockingStorage, IWriteStreamStorage,
 		}
 	}
 
+	#[\Override]
 	public function file_get_contents(string $path): string|false {
 		$handle = $this->fopen($path, 'r');
 		if (!$handle) {
@@ -182,6 +193,7 @@ abstract class Common implements Storage, ILockingStorage, IWriteStreamStorage,
 		return $data;
 	}
 
+	#[\Override]
 	public function file_put_contents(string $path, mixed $data): int|float|false {
 		$handle = $this->fopen($path, 'w');
 		if (!$handle) {
@@ -193,6 +205,7 @@ abstract class Common implements Storage, ILockingStorage, IWriteStreamStorage,
 		return $count;
 	}
 
+	#[\Override]
 	public function rename(string $source, string $target): bool {
 		$this->remove($target);
 
@@ -200,6 +213,7 @@ abstract class Common implements Storage, ILockingStorage, IWriteStreamStorage,
 		return $this->copy($source, $target) && $this->remove($source);
 	}
 
+	#[\Override]
 	public function copy(string $source, string $target): bool {
 		if ($this->is_dir($source)) {
 			$this->remove($target);
@@ -230,6 +244,7 @@ abstract class Common implements Storage, ILockingStorage, IWriteStreamStorage,
 		}
 	}
 
+	#[\Override]
 	public function getMimeType(string $path): string|false {
 		if ($this->is_dir($path)) {
 			return 'httpd/unix-directory';
@@ -240,6 +255,7 @@ abstract class Common implements Storage, ILockingStorage, IWriteStreamStorage,
 		}
 	}
 
+	#[\Override]
 	public function hash(string $type, string $path, bool $raw = false): string|false {
 		$fh = $this->fopen($path, 'rb');
 		if (!$fh) {
@@ -251,6 +267,7 @@ abstract class Common implements Storage, ILockingStorage, IWriteStreamStorage,
 		return hash_final($ctx, $raw);
 	}
 
+	#[\Override]
 	public function getLocalFile(string $path): string|false {
 		return $this->getCachedFile($path);
 	}
@@ -301,6 +318,7 @@ abstract class Common implements Storage, ILockingStorage, IWriteStreamStorage,
 	 * exclusive access to the backend and will not pick up files that have been added in a way that circumvents
 	 * Nextcloud filesystem.
 	 */
+	#[\Override]
 	public function hasUpdated(string $path, int $time): bool {
 		return $this->filemtime($path) > $time;
 	}
@@ -312,6 +330,7 @@ abstract class Common implements Storage, ILockingStorage, IWriteStreamStorage,
 		return $this->cacheDependencies;
 	}
 
+	#[\Override]
 	public function getCache(string $path = '', ?IStorage $storage = null): ICache {
 		if (!$storage) {
 			$storage = $this;
@@ -323,6 +342,7 @@ abstract class Common implements Storage, ILockingStorage, IWriteStreamStorage,
 		return $storage->cache;
 	}
 
+	#[\Override]
 	public function getScanner(string $path = '', ?IStorage $storage = null): IScanner {
 		if (!$storage) {
 			$storage = $this;
@@ -336,6 +356,7 @@ abstract class Common implements Storage, ILockingStorage, IWriteStreamStorage,
 		return $storage->scanner;
 	}
 
+	#[\Override]
 	public function getWatcher(string $path = '', ?IStorage $storage = null): IWatcher {
 		if (!$storage) {
 			$storage = $this;
@@ -349,6 +370,7 @@ abstract class Common implements Storage, ILockingStorage, IWriteStreamStorage,
 		return $this->watcher;
 	}
 
+	#[\Override]
 	public function getPropagator(?IStorage $storage = null): IPropagator {
 		if (!$storage) {
 			$storage = $this;
@@ -364,6 +386,7 @@ abstract class Common implements Storage, ILockingStorage, IWriteStreamStorage,
 		return $storage->propagator;
 	}
 
+	#[\Override]
 	public function getUpdater(?IStorage $storage = null): IUpdater {
 		if (!$storage) {
 			$storage = $this;
@@ -378,12 +401,14 @@ abstract class Common implements Storage, ILockingStorage, IWriteStreamStorage,
 		return $storage->updater;
 	}
 
+	#[\Override]
 	public function getStorageCache(?IStorage $storage = null): \OC\Files\Cache\Storage {
 		/** @var Cache $cache */
 		$cache = $this->getCache(storage: $storage);
 		return $cache->getStorageCache();
 	}
 
+	#[\Override]
 	public function getOwner(string $path): string|false {
 		if ($this->owner === null) {
 			$this->owner = \OC_User::getUser();
@@ -392,6 +417,7 @@ abstract class Common implements Storage, ILockingStorage, IWriteStreamStorage,
 		return $this->owner;
 	}
 
+	#[\Override]
 	public function getETag(string $path): string|false {
 		return uniqid();
 	}
@@ -423,6 +449,7 @@ abstract class Common implements Storage, ILockingStorage, IWriteStreamStorage,
 	/**
 	 * Test a storage for availability
 	 */
+	#[\Override]
 	public function test(): bool {
 		try {
 			if ($this->stat('')) {
@@ -439,10 +466,12 @@ abstract class Common implements Storage, ILockingStorage, IWriteStreamStorage,
 		}
 	}
 
+	#[\Override]
 	public function free_space(string $path): int|float|false {
 		return FileInfo::SPACE_UNKNOWN;
 	}
 
+	#[\Override]
 	public function isLocal(): bool {
 		// the common implementation returns a temporary file by
 		// default, which is not local
@@ -452,6 +481,7 @@ abstract class Common implements Storage, ILockingStorage, IWriteStreamStorage,
 	/**
 	 * Check if the storage is an instance of $class or is a wrapper for a storage that is an instance of $class
 	 */
+	#[\Override]
 	public function instanceOfStorage(string $class): bool {
 		if (ltrim($class, '\\') === 'OC\Files\Storage\Shared') {
 			// FIXME Temporary fix to keep existing checks working
@@ -470,6 +500,7 @@ abstract class Common implements Storage, ILockingStorage, IWriteStreamStorage,
 		return false;
 	}
 
+	#[\Override]
 	public function verifyPath(string $path, string $fileName): void {
 		$this->getFilenameValidator()
 			->validateFilename($fileName);
@@ -507,6 +538,7 @@ abstract class Common implements Storage, ILockingStorage, IWriteStreamStorage,
 		return $this->mountOptions[$name] ?? $default;
 	}
 
+	#[\Override]
 	public function copyFromStorage(IStorage $sourceStorage, string $sourceInternalPath, string $targetInternalPath, bool $preserveMtime = false): bool {
 		if ($sourceStorage === $this) {
 			return $this->copy($sourceInternalPath, $targetInternalPath);
@@ -564,6 +596,7 @@ abstract class Common implements Storage, ILockingStorage, IWriteStreamStorage,
 		return $storage === $this;
 	}
 
+	#[\Override]
 	public function moveFromStorage(IStorage $sourceStorage, string $sourceInternalPath, string $targetInternalPath): bool {
 		if (
 			!$sourceStorage->instanceOfStorage(Encryption::class)
@@ -607,6 +640,7 @@ abstract class Common implements Storage, ILockingStorage, IWriteStreamStorage,
 		return $result;
 	}
 
+	#[\Override]
 	public function getMetaData(string $path): ?array {
 		if (Filesystem::isFileBlacklisted($path)) {
 			throw new ForbiddenException('Invalid path: ' . $path, false);
@@ -637,6 +671,7 @@ abstract class Common implements Storage, ILockingStorage, IWriteStreamStorage,
 		return $data;
 	}
 
+	#[\Override]
 	public function acquireLock(string $path, int $type, ILockingProvider $provider): void {
 		$logger = $this->getLockLogger();
 		if ($logger) {
@@ -664,6 +699,7 @@ abstract class Common implements Storage, ILockingStorage, IWriteStreamStorage,
 		}
 	}
 
+	#[\Override]
 	public function releaseLock(string $path, int $type, ILockingProvider $provider): void {
 		$logger = $this->getLockLogger();
 		if ($logger) {
@@ -691,6 +727,7 @@ abstract class Common implements Storage, ILockingStorage, IWriteStreamStorage,
 		}
 	}
 
+	#[\Override]
 	public function changeLock(string $path, int $type, ILockingProvider $provider): void {
 		$logger = $this->getLockLogger();
 		if ($logger) {
@@ -729,22 +766,27 @@ abstract class Common implements Storage, ILockingStorage, IWriteStreamStorage,
 	/**
 	 * @return array{available: bool, last_checked: int}
 	 */
+	#[\Override]
 	public function getAvailability(): array {
 		return $this->getStorageCache()->getAvailability();
 	}
 
+	#[\Override]
 	public function setAvailability(bool $isAvailable): void {
 		$this->getStorageCache()->setAvailability($isAvailable);
 	}
 
+	#[\Override]
 	public function setOwner(?string $user): void {
 		$this->owner = $user;
 	}
 
+	#[\Override]
 	public function needsPartFile(): bool {
 		return true;
 	}
 
+	#[\Override]
 	public function writeStream(string $path, $stream, ?int $size = null): int {
 		$target = $this->fopen($path, 'w');
 		if (!$target) {
@@ -762,6 +804,7 @@ abstract class Common implements Storage, ILockingStorage, IWriteStreamStorage,
 		return $count;
 	}
 
+	#[\Override]
 	public function getDirectoryContent(string $directory): \Traversable {
 		$dh = $this->opendir($directory);
 
diff --git a/lib/private/Files/Storage/CommonTest.php b/lib/private/Files/Storage/CommonTest.php
index b1a939cc00b..bcd73ad7cfc 100644
--- a/lib/private/Files/Storage/CommonTest.php
+++ b/lib/private/Files/Storage/CommonTest.php
@@ -19,42 +19,55 @@ class CommonTest extends Common {
 		$this->storage = new Local($parameters);
 	}
 
+	#[\Override]
 	public function getId(): string {
 		return 'test::' . $this->storage->getId();
 	}
+	#[\Override]
 	public function mkdir(string $path): bool {
 		return $this->storage->mkdir($path);
 	}
+	#[\Override]
 	public function rmdir(string $path): bool {
 		return $this->storage->rmdir($path);
 	}
+	#[\Override]
 	public function opendir(string $path) {
 		return $this->storage->opendir($path);
 	}
+	#[\Override]
 	public function stat(string $path): array|false {
 		return $this->storage->stat($path);
 	}
+	#[\Override]
 	public function filetype(string $path): string|false {
 		return @$this->storage->filetype($path);
 	}
+	#[\Override]
 	public function isReadable(string $path): bool {
 		return $this->storage->isReadable($path);
 	}
+	#[\Override]
 	public function isUpdatable(string $path): bool {
 		return $this->storage->isUpdatable($path);
 	}
+	#[\Override]
 	public function file_exists(string $path): bool {
 		return $this->storage->file_exists($path);
 	}
+	#[\Override]
 	public function unlink(string $path): bool {
 		return $this->storage->unlink($path);
 	}
+	#[\Override]
 	public function fopen(string $path, string $mode) {
 		return $this->storage->fopen($path, $mode);
 	}
+	#[\Override]
 	public function free_space(string $path): int|float|false {
 		return $this->storage->free_space($path);
 	}
+	#[\Override]
 	public function touch(string $path, ?int $mtime = null): bool {
 		return $this->storage->touch($path, $mtime);
 	}
diff --git a/lib/private/Files/Storage/DAV.php b/lib/private/Files/Storage/DAV.php
index 8ccfe305136..0c74abdfee1 100644
--- a/lib/private/Files/Storage/DAV.php
+++ b/lib/private/Files/Storage/DAV.php
@@ -192,6 +192,7 @@ class DAV extends Common {
 		$this->statCache->clear();
 	}
 
+	#[\Override]
 	public function getId(): string {
 		return 'webdav::' . $this->user . '@' . $this->host . '/' . $this->root;
 	}
@@ -205,6 +206,7 @@ class DAV extends Common {
 		return $baseUri;
 	}
 
+	#[\Override]
 	public function mkdir(string $path): bool {
 		$this->init();
 		$path = $this->cleanPath($path);
@@ -215,6 +217,7 @@ class DAV extends Common {
 		return $result;
 	}
 
+	#[\Override]
 	public function rmdir(string $path): bool {
 		$this->init();
 		$path = $this->cleanPath($path);
@@ -226,6 +229,7 @@ class DAV extends Common {
 		return $result;
 	}
 
+	#[\Override]
 	public function opendir(string $path) {
 		$this->init();
 		$path = $this->cleanPath($path);
@@ -311,6 +315,7 @@ class DAV extends Common {
 		return $response;
 	}
 
+	#[\Override]
 	public function filetype(string $path): string|false {
 		try {
 			$response = $this->propfind($path);
@@ -329,6 +334,7 @@ class DAV extends Common {
 		return false;
 	}
 
+	#[\Override]
 	public function file_exists(string $path): bool {
 		try {
 			$path = $this->cleanPath($path);
@@ -347,6 +353,7 @@ class DAV extends Common {
 		return false;
 	}
 
+	#[\Override]
 	public function unlink(string $path): bool {
 		$this->init();
 		$path = $this->cleanPath($path);
@@ -356,6 +363,7 @@ class DAV extends Common {
 		return $result;
 	}
 
+	#[\Override]
 	public function fopen(string $path, string $mode) {
 		$this->init();
 		$path = $this->cleanPath($path);
@@ -444,6 +452,7 @@ class DAV extends Common {
 		unlink($tmpFile);
 	}
 
+	#[\Override]
 	public function free_space(string $path): int|float|false {
 		$this->init();
 		$path = $this->cleanPath($path);
@@ -462,6 +471,7 @@ class DAV extends Common {
 		}
 	}
 
+	#[\Override]
 	public function touch(string $path, ?int $mtime = null): bool {
 		$this->init();
 		if (is_null($mtime)) {
@@ -499,6 +509,7 @@ class DAV extends Common {
 		return true;
 	}
 
+	#[\Override]
 	public function file_put_contents(string $path, mixed $data): int|float|false {
 		$path = $this->cleanPath($path);
 		$result = parent::file_put_contents($path, $data);
@@ -527,6 +538,7 @@ class DAV extends Common {
 		$this->removeCachedFile($target);
 	}
 
+	#[\Override]
 	public function rename(string $source, string $target): bool {
 		$this->init();
 		$source = $this->cleanPath($source);
@@ -558,6 +570,7 @@ class DAV extends Common {
 		return false;
 	}
 
+	#[\Override]
 	public function copy(string $source, string $target): bool {
 		$this->init();
 		$source = $this->cleanPath($source);
@@ -586,6 +599,7 @@ class DAV extends Common {
 		return false;
 	}
 
+	#[\Override]
 	public function getMetaData(string $path): ?array {
 		if (Filesystem::isFileBlacklisted($path)) {
 			throw new ForbiddenException('Invalid path: ' . $path, false);
@@ -648,17 +662,20 @@ class DAV extends Common {
 		];
 	}
 
+	#[\Override]
 	public function stat(string $path): array|false {
 		$meta = $this->getMetaData($path);
 		return $meta ?: false;
 
 	}
 
+	#[\Override]
 	public function getMimeType(string $path): string|false {
 		$meta = $this->getMetaData($path);
 		return $meta ? $meta['mimetype'] : false;
 	}
 
+	#[\Override]
 	public function cleanPath(string $path): string {
 		if ($path === '') {
 			return $path;
@@ -710,27 +727,33 @@ class DAV extends Common {
 		return true;
 	}
 
+	#[\Override]
 	public function isUpdatable(string $path): bool {
 		return (bool)($this->getPermissions($path) & Constants::PERMISSION_UPDATE);
 	}
 
+	#[\Override]
 	public function isCreatable(string $path): bool {
 		return (bool)($this->getPermissions($path) & Constants::PERMISSION_CREATE);
 	}
 
+	#[\Override]
 	public function isSharable(string $path): bool {
 		return (bool)($this->getPermissions($path) & Constants::PERMISSION_SHARE);
 	}
 
+	#[\Override]
 	public function isDeletable(string $path): bool {
 		return (bool)($this->getPermissions($path) & Constants::PERMISSION_DELETE);
 	}
 
+	#[\Override]
 	public function getPermissions(string $path): int {
 		$stat = $this->getMetaData($path);
 		return $stat ? $stat['permissions'] : 0;
 	}
 
+	#[\Override]
 	public function getETag(string $path): string|false {
 		$meta = $this->getMetaData($path);
 		return $meta ? $meta['etag'] : false;
@@ -754,6 +777,7 @@ class DAV extends Common {
 		return $permissions;
 	}
 
+	#[\Override]
 	public function hasUpdated(string $path, int $time): bool {
 		$this->init();
 		$path = $this->cleanPath($path);
@@ -852,6 +876,7 @@ class DAV extends Common {
 		// TODO: only log for now, but in the future need to wrap/rethrow exception
 	}
 
+	#[\Override]
 	public function getDirectoryContent(string $directory): \Traversable {
 		$this->init();
 		$directory = $this->cleanPath($directory);
diff --git a/lib/private/Files/Storage/FailedStorage.php b/lib/private/Files/Storage/FailedStorage.php
index 1b1123921aa..e85982cb6ec 100644
--- a/lib/private/Files/Storage/FailedStorage.php
+++ b/lib/private/Files/Storage/FailedStorage.php
@@ -29,166 +29,207 @@ class FailedStorage extends Common {
 		}
 	}
 
+	#[\Override]
 	public function getId(): string {
 		// we can't return anything sane here
 		return 'failedstorage';
 	}
 
+	#[\Override]
 	public function mkdir(string $path): never {
 		throw new StorageNotAvailableException($this->e->getMessage(), $this->e->getCode(), $this->e);
 	}
 
+	#[\Override]
 	public function rmdir(string $path): never {
 		throw new StorageNotAvailableException($this->e->getMessage(), $this->e->getCode(), $this->e);
 	}
 
+	#[\Override]
 	public function opendir(string $path): never {
 		throw new StorageNotAvailableException($this->e->getMessage(), $this->e->getCode(), $this->e);
 	}
 
+	#[\Override]
 	public function is_dir(string $path): never {
 		throw new StorageNotAvailableException($this->e->getMessage(), $this->e->getCode(), $this->e);
 	}
 
+	#[\Override]
 	public function is_file(string $path): never {
 		throw new StorageNotAvailableException($this->e->getMessage(), $this->e->getCode(), $this->e);
 	}
 
+	#[\Override]
 	public function stat(string $path): never {
 		throw new StorageNotAvailableException($this->e->getMessage(), $this->e->getCode(), $this->e);
 	}
 
+	#[\Override]
 	public function filetype(string $path): never {
 		throw new StorageNotAvailableException($this->e->getMessage(), $this->e->getCode(), $this->e);
 	}
 
+	#[\Override]
 	public function filesize(string $path): never {
 		throw new StorageNotAvailableException($this->e->getMessage(), $this->e->getCode(), $this->e);
 	}
 
+	#[\Override]
 	public function isCreatable(string $path): never {
 		throw new StorageNotAvailableException($this->e->getMessage(), $this->e->getCode(), $this->e);
 	}
 
+	#[\Override]
 	public function isReadable(string $path): never {
 		throw new StorageNotAvailableException($this->e->getMessage(), $this->e->getCode(), $this->e);
 	}
 
+	#[\Override]
 	public function isUpdatable(string $path): never {
 		throw new StorageNotAvailableException($this->e->getMessage(), $this->e->getCode(), $this->e);
 	}
 
+	#[\Override]
 	public function isDeletable(string $path): never {
 		throw new StorageNotAvailableException($this->e->getMessage(), $this->e->getCode(), $this->e);
 	}
 
+	#[\Override]
 	public function isSharable(string $path): never {
 		throw new StorageNotAvailableException($this->e->getMessage(), $this->e->getCode(), $this->e);
 	}
 
+	#[\Override]
 	public function getPermissions(string $path): never {
 		throw new StorageNotAvailableException($this->e->getMessage(), $this->e->getCode(), $this->e);
 	}
 
+	#[\Override]
 	public function file_exists(string $path): never {
 		throw new StorageNotAvailableException($this->e->getMessage(), $this->e->getCode(), $this->e);
 	}
 
+	#[\Override]
 	public function filemtime(string $path): never {
 		throw new StorageNotAvailableException($this->e->getMessage(), $this->e->getCode(), $this->e);
 	}
 
+	#[\Override]
 	public function file_get_contents(string $path): never {
 		throw new StorageNotAvailableException($this->e->getMessage(), $this->e->getCode(), $this->e);
 	}
 
+	#[\Override]
 	public function file_put_contents(string $path, mixed $data): never {
 		throw new StorageNotAvailableException($this->e->getMessage(), $this->e->getCode(), $this->e);
 	}
 
+	#[\Override]
 	public function unlink(string $path): never {
 		throw new StorageNotAvailableException($this->e->getMessage(), $this->e->getCode(), $this->e);
 	}
 
+	#[\Override]
 	public function rename(string $source, string $target): never {
 		throw new StorageNotAvailableException($this->e->getMessage(), $this->e->getCode(), $this->e);
 	}
 
+	#[\Override]
 	public function copy(string $source, string $target): never {
 		throw new StorageNotAvailableException($this->e->getMessage(), $this->e->getCode(), $this->e);
 	}
 
+	#[\Override]
 	public function fopen(string $path, string $mode): never {
 		throw new StorageNotAvailableException($this->e->getMessage(), $this->e->getCode(), $this->e);
 	}
 
+	#[\Override]
 	public function getMimeType(string $path): never {
 		throw new StorageNotAvailableException($this->e->getMessage(), $this->e->getCode(), $this->e);
 	}
 
+	#[\Override]
 	public function hash(string $type, string $path, bool $raw = false): never {
 		throw new StorageNotAvailableException($this->e->getMessage(), $this->e->getCode(), $this->e);
 	}
 
+	#[\Override]
 	public function free_space(string $path): never {
 		throw new StorageNotAvailableException($this->e->getMessage(), $this->e->getCode(), $this->e);
 	}
 
+	#[\Override]
 	public function touch(string $path, ?int $mtime = null): never {
 		throw new StorageNotAvailableException($this->e->getMessage(), $this->e->getCode(), $this->e);
 	}
 
+	#[\Override]
 	public function getLocalFile(string $path): never {
 		throw new StorageNotAvailableException($this->e->getMessage(), $this->e->getCode(), $this->e);
 	}
 
+	#[\Override]
 	public function hasUpdated(string $path, int $time): never {
 		throw new StorageNotAvailableException($this->e->getMessage(), $this->e->getCode(), $this->e);
 	}
 
+	#[\Override]
 	public function getETag(string $path): never {
 		throw new StorageNotAvailableException($this->e->getMessage(), $this->e->getCode(), $this->e);
 	}
 
+	#[\Override]
 	public function getDirectDownload(string $path): never {
 		throw new StorageNotAvailableException($this->e->getMessage(), $this->e->getCode(), $this->e);
 	}
 
+	#[\Override]
 	public function getDirectDownloadById(string $fileId): never {
 		throw new StorageNotAvailableException($this->e->getMessage(), $this->e->getCode(), $this->e);
 	}
 
+	#[\Override]
 	public function verifyPath(string $path, string $fileName): void {
 	}
 
+	#[\Override]
 	public function copyFromStorage(IStorage $sourceStorage, string $sourceInternalPath, string $targetInternalPath, bool $preserveMtime = false): never {
 		throw new StorageNotAvailableException($this->e->getMessage(), $this->e->getCode(), $this->e);
 	}
 
+	#[\Override]
 	public function moveFromStorage(IStorage $sourceStorage, string $sourceInternalPath, string $targetInternalPath): never {
 		throw new StorageNotAvailableException($this->e->getMessage(), $this->e->getCode(), $this->e);
 	}
 
+	#[\Override]
 	public function acquireLock(string $path, int $type, ILockingProvider $provider): never {
 		throw new StorageNotAvailableException($this->e->getMessage(), $this->e->getCode(), $this->e);
 	}
 
+	#[\Override]
 	public function releaseLock(string $path, int $type, ILockingProvider $provider): never {
 		throw new StorageNotAvailableException($this->e->getMessage(), $this->e->getCode(), $this->e);
 	}
 
+	#[\Override]
 	public function changeLock(string $path, int $type, ILockingProvider $provider): never {
 		throw new StorageNotAvailableException($this->e->getMessage(), $this->e->getCode(), $this->e);
 	}
 
+	#[\Override]
 	public function getAvailability(): never {
 		throw new StorageNotAvailableException($this->e->getMessage(), $this->e->getCode(), $this->e);
 	}
 
+	#[\Override]
 	public function setAvailability(bool $isAvailable): never {
 		throw new StorageNotAvailableException($this->e->getMessage(), $this->e->getCode(), $this->e);
 	}
 
+	#[\Override]
 	public function getCache(string $path = '', ?IStorage $storage = null): FailedCache {
 		return new FailedCache();
 	}
diff --git a/lib/private/Files/Storage/Home.php b/lib/private/Files/Storage/Home.php
index 6627437c0ec..ab3a8c8806a 100644
--- a/lib/private/Files/Storage/Home.php
+++ b/lib/private/Files/Storage/Home.php
@@ -39,10 +39,12 @@ class Home extends Local implements IHomeStorage {
 		parent::__construct(['datadir' => $datadir]);
 	}
 
+	#[\Override]
 	public function getId(): string {
 		return $this->id;
 	}
 
+	#[\Override]
 	public function getCache(string $path = '', ?IStorage $storage = null): ICache {
 		if (!$storage) {
 			$storage = $this;
@@ -53,6 +55,7 @@ class Home extends Local implements IHomeStorage {
 		return $this->cache;
 	}
 
+	#[\Override]
 	public function getPropagator(?IStorage $storage = null): IPropagator {
 		if (!$storage) {
 			$storage = $this;
@@ -64,10 +67,12 @@ class Home extends Local implements IHomeStorage {
 	}
 
 
+	#[\Override]
 	public function getUser(): IUser {
 		return $this->user;
 	}
 
+	#[\Override]
 	public function getOwner(string $path): string|false {
 		return $this->user->getUID();
 	}
diff --git a/lib/private/Files/Storage/Local.php b/lib/private/Files/Storage/Local.php
index e3afc6bd017..e5806f855bc 100644
--- a/lib/private/Files/Storage/Local.php
+++ b/lib/private/Files/Storage/Local.php
@@ -78,10 +78,12 @@ class Local extends Common {
 	public function __destruct() {
 	}
 
+	#[\Override]
 	public function getId(): string {
 		return 'local::' . $this->datadir;
 	}
 
+	#[\Override]
 	public function mkdir(string $path): bool {
 		$sourcePath = $this->getSourcePath($path);
 		$oldMask = umask($this->defUMask);
@@ -90,6 +92,7 @@ class Local extends Common {
 		return $result;
 	}
 
+	#[\Override]
 	public function rmdir(string $path): bool {
 		if (!$this->isDeletable($path)) {
 			return false;
@@ -129,10 +132,12 @@ class Local extends Common {
 		}
 	}
 
+	#[\Override]
 	public function opendir(string $path) {
 		return opendir($this->getSourcePath($path));
 	}
 
+	#[\Override]
 	public function is_dir(string $path): bool {
 		if ($this->caseInsensitive && !$this->file_exists($path)) {
 			return false;
@@ -143,6 +148,7 @@ class Local extends Common {
 		return is_dir($this->getSourcePath($path));
 	}
 
+	#[\Override]
 	public function is_file(string $path): bool {
 		if ($this->caseInsensitive && !$this->file_exists($path)) {
 			return false;
@@ -150,6 +156,7 @@ class Local extends Common {
 		return is_file($this->getSourcePath($path));
 	}
 
+	#[\Override]
 	public function stat(string $path): array|false {
 		$fullPath = $this->getSourcePath($path);
 		clearstatcache(true, $fullPath);
@@ -168,6 +175,7 @@ class Local extends Common {
 		return $statResult;
 	}
 
+	#[\Override]
 	public function getMetaData(string $path): ?array {
 		try {
 			$stat = $this->stat($path);
@@ -217,6 +225,7 @@ class Local extends Common {
 		return $data;
 	}
 
+	#[\Override]
 	public function filetype(string $path): string|false {
 		$filetype = @filetype($this->getSourcePath($path));
 		if ($filetype === 'link') {
@@ -225,6 +234,7 @@ class Local extends Common {
 		return $filetype;
 	}
 
+	#[\Override]
 	public function filesize(string $path): int|float|false {
 		$type = $this->filetype($path);
 		if ($type === false) {
@@ -241,14 +251,17 @@ class Local extends Common {
 		return filesize($fullPath);
 	}
 
+	#[\Override]
 	public function isReadable(string $path): bool {
 		return is_readable($this->getSourcePath($path));
 	}
 
+	#[\Override]
 	public function isUpdatable(string $path): bool {
 		return is_writable($this->getSourcePath($path));
 	}
 
+	#[\Override]
 	public function file_exists(string $path): bool {
 		if ($this->caseInsensitive) {
 			$fullPath = $this->getSourcePath($path);
@@ -263,6 +276,7 @@ class Local extends Common {
 		}
 	}
 
+	#[\Override]
 	public function filemtime(string $path): int|false {
 		$fullPath = $this->getSourcePath($path);
 		clearstatcache(true, $fullPath);
@@ -276,6 +290,7 @@ class Local extends Common {
 		return filemtime($fullPath);
 	}
 
+	#[\Override]
 	public function touch(string $path, ?int $mtime = null): bool {
 		// sets the modification time of the file to the given value.
 		// If mtime is nil the current time is set.
@@ -297,10 +312,12 @@ class Local extends Common {
 		return $result;
 	}
 
+	#[\Override]
 	public function file_get_contents(string $path): string|false {
 		return file_get_contents($this->getSourcePath($path));
 	}
 
+	#[\Override]
 	public function file_put_contents(string $path, mixed $data): int|float|false {
 		$oldMask = umask($this->defUMask);
 		if ($this->unlinkOnTruncate) {
@@ -311,6 +328,7 @@ class Local extends Common {
 		return $result;
 	}
 
+	#[\Override]
 	public function unlink(string $path): bool {
 		if ($this->is_dir($path)) {
 			return $this->rmdir($path);
@@ -331,6 +349,7 @@ class Local extends Common {
 		}
 	}
 
+	#[\Override]
 	public function rename(string $source, string $target): bool {
 		$srcParent = dirname($source);
 		$dstParent = dirname($target);
@@ -374,6 +393,7 @@ class Local extends Common {
 		return $this->copy($source, $target) && $this->unlink($source);
 	}
 
+	#[\Override]
 	public function copy(string $source, string $target): bool {
 		if ($this->is_dir($source)) {
 			return parent::copy($source, $target);
@@ -393,6 +413,7 @@ class Local extends Common {
 		}
 	}
 
+	#[\Override]
 	public function fopen(string $path, string $mode) {
 		$sourcePath = $this->getSourcePath($path);
 		if (!file_exists($sourcePath) && $mode === 'r') {
@@ -407,10 +428,12 @@ class Local extends Common {
 		return $result;
 	}
 
+	#[\Override]
 	public function hash(string $type, string $path, bool $raw = false): string|false {
 		return hash_file($type, $this->getSourcePath($path), $raw);
 	}
 
+	#[\Override]
 	public function free_space(string $path): int|float|false {
 		$sourcePath = $this->getSourcePath($path);
 		// using !is_dir because $sourcePath might be a part file or
@@ -431,10 +454,12 @@ class Local extends Common {
 		return $this->searchInDir($query);
 	}
 
+	#[\Override]
 	public function getLocalFile(string $path): string|false {
 		return $this->getSourcePath($path);
 	}
 
+	#[\Override]
 	protected function searchInDir(string $query, string $dir = ''): array {
 		$files = [];
 		$physicalDir = $this->getSourcePath($dir);
@@ -454,6 +479,7 @@ class Local extends Common {
 		return $files;
 	}
 
+	#[\Override]
 	public function hasUpdated(string $path, int $time): bool {
 		if ($this->file_exists($path)) {
 			return $this->filemtime($path) > $time;
@@ -499,10 +525,12 @@ class Local extends Common {
 		throw new ForbiddenException('Following symlinks is not allowed', false);
 	}
 
+	#[\Override]
 	public function isLocal(): bool {
 		return true;
 	}
 
+	#[\Override]
 	public function getETag(string $path): string|false {
 		return $this->calculateEtag($path, $this->stat($path));
 	}
@@ -546,6 +574,7 @@ class Local extends Common {
 			&& !$sourceStorage->instanceOfStorage(Encryption::class);
 	}
 
+	#[\Override]
 	public function copyFromStorage(IStorage $sourceStorage, string $sourceInternalPath, string $targetInternalPath, bool $preserveMtime = false): bool {
 		if ($this->canDoCrossStorageMove($sourceStorage)) {
 			// resolve any jailed paths
@@ -566,6 +595,7 @@ class Local extends Common {
 		}
 	}
 
+	#[\Override]
 	public function moveFromStorage(IStorage $sourceStorage, string $sourceInternalPath, string $targetInternalPath): bool {
 		if ($this->canDoCrossStorageMove($sourceStorage)) {
 			// resolve any jailed paths
@@ -586,6 +616,7 @@ class Local extends Common {
 		}
 	}
 
+	#[\Override]
 	public function writeStream(string $path, $stream, ?int $size = null): int {
 		/** @var int|false $result We consider here that returned size will never be a float because we write less than 4GB */
 		$result = $this->file_put_contents($path, $stream);
diff --git a/lib/private/Files/Storage/LocalRootStorage.php b/lib/private/Files/Storage/LocalRootStorage.php
index d8d0fc2c75c..4086b481051 100644
--- a/lib/private/Files/Storage/LocalRootStorage.php
+++ b/lib/private/Files/Storage/LocalRootStorage.php
@@ -13,6 +13,7 @@ use OCP\Files\Cache\IScanner;
 use OCP\Files\Storage\IStorage;
 
 class LocalRootStorage extends Local {
+	#[\Override]
 	public function getScanner(string $path = '', ?IStorage $storage = null): IScanner {
 		if (!$storage) {
 			$storage = $this;
diff --git a/lib/private/Files/Storage/Storage.php b/lib/private/Files/Storage/Storage.php
index 938d676471b..88383350152 100644
--- a/lib/private/Files/Storage/Storage.php
+++ b/lib/private/Files/Storage/Storage.php
@@ -23,14 +23,19 @@ use OCP\Files\Storage\IStorage;
  * All paths passed to the storage are relative to the storage and should NOT have a leading slash.
  */
 interface Storage extends IStorage, ILockingStorage {
+	#[\Override]
 	public function getCache(string $path = '', ?IStorage $storage = null): ICache;
 
+	#[\Override]
 	public function getScanner(string $path = '', ?IStorage $storage = null): IScanner;
 
+	#[\Override]
 	public function getWatcher(string $path = '', ?IStorage $storage = null): IWatcher;
 
+	#[\Override]
 	public function getPropagator(?IStorage $storage = null): IPropagator;
 
+	#[\Override]
 	public function getUpdater(?IStorage $storage = null): IUpdater;
 
 	public function getStorageCache(): \OC\Files\Cache\Storage;
diff --git a/lib/private/Files/Storage/StorageFactory.php b/lib/private/Files/Storage/StorageFactory.php
index 24efd3ecc1c..e590c44ed55 100644
--- a/lib/private/Files/Storage/StorageFactory.php
+++ b/lib/private/Files/Storage/StorageFactory.php
@@ -20,6 +20,7 @@ class StorageFactory implements IStorageFactory {
 	 */
 	private $storageWrappers = [];
 
+	#[\Override]
 	public function addStorageWrapper(string $wrapperName, callable $callback, int $priority = 50, array $existingMounts = []): bool {
 		if (isset($this->storageWrappers[$wrapperName])) {
 			return false;
@@ -47,6 +48,7 @@ class StorageFactory implements IStorageFactory {
 	/**
 	 * Create an instance of a storage and apply the registered storage wrappers
 	 */
+	#[\Override]
 	public function getInstance(IMountPoint $mountPoint, string $class, array $arguments): IStorage {
 		if (!is_a($class, IConstructableStorage::class, true)) {
 			Server::get(LoggerInterface::class)->warning('Building a storage not implementing IConstructableStorage is deprecated since 31.0.0', ['class' => $class]);
diff --git a/lib/private/Files/Storage/Temporary.php b/lib/private/Files/Storage/Temporary.php
index ecf8a1315a9..bb46d7100a1 100644
--- a/lib/private/Files/Storage/Temporary.php
+++ b/lib/private/Files/Storage/Temporary.php
@@ -23,6 +23,7 @@ class Temporary extends Local {
 		Files::rmdirr($this->datadir);
 	}
 
+	#[\Override]
 	public function __destruct() {
 		parent::__destruct();
 		$this->cleanUp();
diff --git a/lib/private/Files/Storage/Wrapper/Availability.php b/lib/private/Files/Storage/Wrapper/Availability.php
index 7ae6bbe08be..924567e1afe 100644
--- a/lib/private/Files/Storage/Wrapper/Availability.php
+++ b/lib/private/Files/Storage/Wrapper/Availability.php
@@ -88,62 +88,77 @@ class Availability extends Wrapper {
 		}
 	}
 
+	#[\Override]
 	public function mkdir(string $path): bool {
 		return $this->handleAvailability('mkdir', $path);
 	}
 
+	#[\Override]
 	public function rmdir(string $path): bool {
 		return $this->handleAvailability('rmdir', $path);
 	}
 
+	#[\Override]
 	public function opendir(string $path) {
 		return $this->handleAvailability('opendir', $path);
 	}
 
+	#[\Override]
 	public function is_dir(string $path): bool {
 		return $this->handleAvailability('is_dir', $path);
 	}
 
+	#[\Override]
 	public function is_file(string $path): bool {
 		return $this->handleAvailability('is_file', $path);
 	}
 
+	#[\Override]
 	public function stat(string $path): array|false {
 		return $this->handleAvailability('stat', $path);
 	}
 
+	#[\Override]
 	public function filetype(string $path): string|false {
 		return $this->handleAvailability('filetype', $path);
 	}
 
+	#[\Override]
 	public function filesize(string $path): int|float|false {
 		return $this->handleAvailability('filesize', $path);
 	}
 
+	#[\Override]
 	public function isCreatable(string $path): bool {
 		return $this->handleAvailability('isCreatable', $path);
 	}
 
+	#[\Override]
 	public function isReadable(string $path): bool {
 		return $this->handleAvailability('isReadable', $path);
 	}
 
+	#[\Override]
 	public function isUpdatable(string $path): bool {
 		return $this->handleAvailability('isUpdatable', $path);
 	}
 
+	#[\Override]
 	public function isDeletable(string $path): bool {
 		return $this->handleAvailability('isDeletable', $path);
 	}
 
+	#[\Override]
 	public function isSharable(string $path): bool {
 		return $this->handleAvailability('isSharable', $path);
 	}
 
+	#[\Override]
 	public function getPermissions(string $path): int {
 		return $this->handleAvailability('getPermissions', $path);
 	}
 
+	#[\Override]
 	public function file_exists(string $path): bool {
 		if ($path === '') {
 			return true;
@@ -151,54 +166,67 @@ class Availability extends Wrapper {
 		return $this->handleAvailability('file_exists', $path);
 	}
 
+	#[\Override]
 	public function filemtime(string $path): int|false {
 		return $this->handleAvailability('filemtime', $path);
 	}
 
+	#[\Override]
 	public function file_get_contents(string $path): string|false {
 		return $this->handleAvailability('file_get_contents', $path);
 	}
 
+	#[\Override]
 	public function file_put_contents(string $path, mixed $data): int|float|false {
 		return $this->handleAvailability('file_put_contents', $path, $data);
 	}
 
+	#[\Override]
 	public function unlink(string $path): bool {
 		return $this->handleAvailability('unlink', $path);
 	}
 
+	#[\Override]
 	public function rename(string $source, string $target): bool {
 		return $this->handleAvailability('rename', $source, $target);
 	}
 
+	#[\Override]
 	public function copy(string $source, string $target): bool {
 		return $this->handleAvailability('copy', $source, $target);
 	}
 
+	#[\Override]
 	public function fopen(string $path, string $mode) {
 		return $this->handleAvailability('fopen', $path, $mode);
 	}
 
+	#[\Override]
 	public function getMimeType(string $path): string|false {
 		return $this->handleAvailability('getMimeType', $path);
 	}
 
+	#[\Override]
 	public function hash(string $type, string $path, bool $raw = false): string|false {
 		return $this->handleAvailability('hash', $type, $path, $raw);
 	}
 
+	#[\Override]
 	public function free_space(string $path): int|float|false {
 		return $this->handleAvailability('free_space', $path);
 	}
 
+	#[\Override]
 	public function touch(string $path, ?int $mtime = null): bool {
 		return $this->handleAvailability('touch', $path, $mtime);
 	}
 
+	#[\Override]
 	public function getLocalFile(string $path): string|false {
 		return $this->handleAvailability('getLocalFile', $path);
 	}
 
+	#[\Override]
 	public function hasUpdated(string $path, int $time): bool {
 		if (!$this->isAvailable()) {
 			return false;
@@ -212,6 +240,7 @@ class Availability extends Wrapper {
 		}
 	}
 
+	#[\Override]
 	public function getOwner(string $path): string|false {
 		try {
 			return parent::getOwner($path);
@@ -221,26 +250,32 @@ class Availability extends Wrapper {
 		}
 	}
 
+	#[\Override]
 	public function getETag(string $path): string|false {
 		return $this->handleAvailability('getETag', $path);
 	}
 
+	#[\Override]
 	public function getDirectDownload(string $path): array|false {
 		return $this->handleAvailability('getDirectDownload', $path);
 	}
 
+	#[\Override]
 	public function getDirectDownloadById(string $fileId): array|false {
 		return $this->handleAvailability('getDirectDownloadById', $fileId);
 	}
 
+	#[\Override]
 	public function copyFromStorage(IStorage $sourceStorage, string $sourceInternalPath, string $targetInternalPath): bool {
 		return $this->handleAvailability('copyFromStorage', $sourceStorage, $sourceInternalPath, $targetInternalPath);
 	}
 
+	#[\Override]
 	public function moveFromStorage(IStorage $sourceStorage, string $sourceInternalPath, string $targetInternalPath): bool {
 		return $this->handleAvailability('moveFromStorage', $sourceStorage, $sourceInternalPath, $targetInternalPath);
 	}
 
+	#[\Override]
 	public function getMetaData(string $path): ?array {
 		$this->checkAvailability();
 		try {
@@ -275,6 +310,7 @@ class Availability extends Wrapper {
 
 
 
+	#[\Override]
 	public function getDirectoryContent(string $directory): \Traversable {
 		$this->checkAvailability();
 		try {
diff --git a/lib/private/Files/Storage/Wrapper/DirPermissionsMask.php b/lib/private/Files/Storage/Wrapper/DirPermissionsMask.php
index 14b6441f98b..0ad4fc127b8 100644
--- a/lib/private/Files/Storage/Wrapper/DirPermissionsMask.php
+++ b/lib/private/Files/Storage/Wrapper/DirPermissionsMask.php
@@ -47,6 +47,7 @@ class DirPermissionsMask extends PermissionsMask {
 		return $path === $this->path || substr($path, 0, $this->pathLength + 1) === $this->path . '/';
 	}
 
+	#[\Override]
 	public function isUpdatable($path): bool {
 		if ($this->checkPath($path)) {
 			return parent::isUpdatable($path);
@@ -55,6 +56,7 @@ class DirPermissionsMask extends PermissionsMask {
 		return $this->storage->isUpdatable($path);
 	}
 
+	#[\Override]
 	public function isCreatable($path): bool {
 		if ($this->checkPath($path)) {
 			return parent::isCreatable($path);
@@ -63,6 +65,7 @@ class DirPermissionsMask extends PermissionsMask {
 		return $this->storage->isCreatable($path);
 	}
 
+	#[\Override]
 	public function isDeletable($path): bool {
 		if ($this->checkPath($path)) {
 			return parent::isDeletable($path);
@@ -71,6 +74,7 @@ class DirPermissionsMask extends PermissionsMask {
 		return $this->storage->isDeletable($path);
 	}
 
+	#[\Override]
 	public function isSharable($path): bool {
 		if ($this->checkPath($path)) {
 			return parent::isSharable($path);
@@ -79,6 +83,7 @@ class DirPermissionsMask extends PermissionsMask {
 		return $this->storage->isSharable($path);
 	}
 
+	#[\Override]
 	public function getPermissions($path): int {
 		if ($this->checkPath($path)) {
 			return parent::getPermissions($path);
@@ -87,6 +92,7 @@ class DirPermissionsMask extends PermissionsMask {
 		return $this->storage->getPermissions($path);
 	}
 
+	#[\Override]
 	public function rename($source, $target): bool {
 		if (!$this->isUpdatable($source)) {
 			return false;
@@ -110,6 +116,7 @@ class DirPermissionsMask extends PermissionsMask {
 		return false;
 	}
 
+	#[\Override]
 	public function copy($source, $target): bool {
 		if (!$this->isReadable($source)) {
 			return false;
@@ -133,6 +140,7 @@ class DirPermissionsMask extends PermissionsMask {
 		return false;
 	}
 
+	#[\Override]
 	public function touch($path, $mtime = null): bool {
 		if ($this->checkPath($path)) {
 			return parent::touch($path);
@@ -141,6 +149,7 @@ class DirPermissionsMask extends PermissionsMask {
 		return $this->storage->touch($path);
 	}
 
+	#[\Override]
 	public function mkdir($path): bool {
 		// Always allow creating the path of the dir mask.
 		if ($path !== $this->path && $this->checkPath($path)) {
@@ -150,6 +159,7 @@ class DirPermissionsMask extends PermissionsMask {
 		return $this->storage->mkdir($path);
 	}
 
+	#[\Override]
 	public function rmdir($path): bool {
 		if ($this->checkPath($path)) {
 			return parent::rmdir($path);
@@ -158,6 +168,7 @@ class DirPermissionsMask extends PermissionsMask {
 		return $this->storage->rmdir($path);
 	}
 
+	#[\Override]
 	public function unlink($path): bool {
 		if ($this->checkPath($path)) {
 			return parent::unlink($path);
@@ -166,6 +177,7 @@ class DirPermissionsMask extends PermissionsMask {
 		return $this->storage->unlink($path);
 	}
 
+	#[\Override]
 	public function file_put_contents($path, $data): int|float|false {
 		if ($this->checkPath($path)) {
 			return parent::file_put_contents($path, $data);
@@ -174,6 +186,7 @@ class DirPermissionsMask extends PermissionsMask {
 		return $this->storage->file_put_contents($path, $data);
 	}
 
+	#[\Override]
 	public function fopen($path, $mode) {
 		if ($this->checkPath($path)) {
 			return parent::fopen($path, $mode);
@@ -182,6 +195,7 @@ class DirPermissionsMask extends PermissionsMask {
 		return $this->storage->fopen($path, $mode);
 	}
 
+	#[\Override]
 	public function getCache($path = '', $storage = null): ICache {
 		if (!$storage) {
 			$storage = $this;
diff --git a/lib/private/Files/Storage/Wrapper/Encoding.php b/lib/private/Files/Storage/Wrapper/Encoding.php
index 854a28efc2c..e8c01f0a018 100644
--- a/lib/private/Files/Storage/Wrapper/Encoding.php
+++ b/lib/private/Files/Storage/Wrapper/Encoding.php
@@ -96,6 +96,7 @@ class Encoding extends Wrapper {
 		return null;
 	}
 
+	#[\Override]
 	public function mkdir(string $path): bool {
 		// note: no conversion here, method should not be called with non-NFC names!
 		$result = $this->getWrapperStorage()->mkdir($path);
@@ -105,6 +106,7 @@ class Encoding extends Wrapper {
 		return $result;
 	}
 
+	#[\Override]
 	public function rmdir(string $path): bool {
 		$result = $this->getWrapperStorage()->rmdir($this->findPathToUse($path));
 		if ($result) {
@@ -113,71 +115,88 @@ class Encoding extends Wrapper {
 		return $result;
 	}
 
+	#[\Override]
 	public function opendir(string $path) {
 		$handle = $this->getWrapperStorage()->opendir($this->findPathToUse($path));
 		return EncodingDirectoryWrapper::wrap($handle);
 	}
 
+	#[\Override]
 	public function is_dir(string $path): bool {
 		return $this->getWrapperStorage()->is_dir($this->findPathToUse($path));
 	}
 
+	#[\Override]
 	public function is_file(string $path): bool {
 		return $this->getWrapperStorage()->is_file($this->findPathToUse($path));
 	}
 
+	#[\Override]
 	public function stat(string $path): array|false {
 		return $this->getWrapperStorage()->stat($this->findPathToUse($path));
 	}
 
+	#[\Override]
 	public function filetype(string $path): string|false {
 		return $this->getWrapperStorage()->filetype($this->findPathToUse($path));
 	}
 
+	#[\Override]
 	public function filesize(string $path): int|float|false {
 		return $this->getWrapperStorage()->filesize($this->findPathToUse($path));
 	}
 
+	#[\Override]
 	public function isCreatable(string $path): bool {
 		return $this->getWrapperStorage()->isCreatable($this->findPathToUse($path));
 	}
 
+	#[\Override]
 	public function isReadable(string $path): bool {
 		return $this->getWrapperStorage()->isReadable($this->findPathToUse($path));
 	}
 
+	#[\Override]
 	public function isUpdatable(string $path): bool {
 		return $this->getWrapperStorage()->isUpdatable($this->findPathToUse($path));
 	}
 
+	#[\Override]
 	public function isDeletable(string $path): bool {
 		return $this->getWrapperStorage()->isDeletable($this->findPathToUse($path));
 	}
 
+	#[\Override]
 	public function isSharable(string $path): bool {
 		return $this->getWrapperStorage()->isSharable($this->findPathToUse($path));
 	}
 
+	#[\Override]
 	public function getPermissions(string $path): int {
 		return $this->getWrapperStorage()->getPermissions($this->findPathToUse($path));
 	}
 
+	#[\Override]
 	public function file_exists(string $path): bool {
 		return $this->getWrapperStorage()->file_exists($this->findPathToUse($path));
 	}
 
+	#[\Override]
 	public function filemtime(string $path): int|false {
 		return $this->getWrapperStorage()->filemtime($this->findPathToUse($path));
 	}
 
+	#[\Override]
 	public function file_get_contents(string $path): string|false {
 		return $this->getWrapperStorage()->file_get_contents($this->findPathToUse($path));
 	}
 
+	#[\Override]
 	public function file_put_contents(string $path, mixed $data): int|float|false {
 		return $this->getWrapperStorage()->file_put_contents($this->findPathToUse($path), $data);
 	}
 
+	#[\Override]
 	public function unlink(string $path): bool {
 		$result = $this->getWrapperStorage()->unlink($this->findPathToUse($path));
 		if ($result) {
@@ -186,15 +205,18 @@ class Encoding extends Wrapper {
 		return $result;
 	}
 
+	#[\Override]
 	public function rename(string $source, string $target): bool {
 		// second name always NFC
 		return $this->getWrapperStorage()->rename($this->findPathToUse($source), $this->findPathToUse($target));
 	}
 
+	#[\Override]
 	public function copy(string $source, string $target): bool {
 		return $this->getWrapperStorage()->copy($this->findPathToUse($source), $this->findPathToUse($target));
 	}
 
+	#[\Override]
 	public function fopen(string $path, string $mode) {
 		$result = $this->getWrapperStorage()->fopen($this->findPathToUse($path), $mode);
 		if ($result && $mode !== 'r' && $mode !== 'rb') {
@@ -203,30 +225,37 @@ class Encoding extends Wrapper {
 		return $result;
 	}
 
+	#[\Override]
 	public function getMimeType(string $path): string|false {
 		return $this->getWrapperStorage()->getMimeType($this->findPathToUse($path));
 	}
 
+	#[\Override]
 	public function hash(string $type, string $path, bool $raw = false): string|false {
 		return $this->getWrapperStorage()->hash($type, $this->findPathToUse($path), $raw);
 	}
 
+	#[\Override]
 	public function free_space(string $path): int|float|false {
 		return $this->getWrapperStorage()->free_space($this->findPathToUse($path));
 	}
 
+	#[\Override]
 	public function touch(string $path, ?int $mtime = null): bool {
 		return $this->getWrapperStorage()->touch($this->findPathToUse($path), $mtime);
 	}
 
+	#[\Override]
 	public function getLocalFile(string $path): string|false {
 		return $this->getWrapperStorage()->getLocalFile($this->findPathToUse($path));
 	}
 
+	#[\Override]
 	public function hasUpdated(string $path, int $time): bool {
 		return $this->getWrapperStorage()->hasUpdated($this->findPathToUse($path), $time);
 	}
 
+	#[\Override]
 	public function getCache(string $path = '', ?IStorage $storage = null): ICache {
 		if (!$storage) {
 			$storage = $this;
@@ -234,6 +263,7 @@ class Encoding extends Wrapper {
 		return $this->getWrapperStorage()->getCache($this->findPathToUse($path), $storage);
 	}
 
+	#[\Override]
 	public function getScanner(string $path = '', ?IStorage $storage = null): IScanner {
 		if (!$storage) {
 			$storage = $this;
@@ -241,10 +271,12 @@ class Encoding extends Wrapper {
 		return $this->getWrapperStorage()->getScanner($this->findPathToUse($path), $storage);
 	}
 
+	#[\Override]
 	public function getETag(string $path): string|false {
 		return $this->getWrapperStorage()->getETag($this->findPathToUse($path));
 	}
 
+	#[\Override]
 	public function copyFromStorage(IStorage $sourceStorage, string $sourceInternalPath, string $targetInternalPath): bool {
 		if ($sourceStorage === $this) {
 			return $this->copy($sourceInternalPath, $this->findPathToUse($targetInternalPath));
@@ -257,6 +289,7 @@ class Encoding extends Wrapper {
 		return $result;
 	}
 
+	#[\Override]
 	public function moveFromStorage(IStorage $sourceStorage, string $sourceInternalPath, string $targetInternalPath): bool {
 		if ($sourceStorage === $this) {
 			$result = $this->rename($sourceInternalPath, $this->findPathToUse($targetInternalPath));
@@ -275,6 +308,7 @@ class Encoding extends Wrapper {
 		return $result;
 	}
 
+	#[\Override]
 	public function getMetaData(string $path): ?array {
 		$entry = $this->getWrapperStorage()->getMetaData($this->findPathToUse($path));
 		if ($entry !== null) {
@@ -283,6 +317,7 @@ class Encoding extends Wrapper {
 		return $entry;
 	}
 
+	#[\Override]
 	public function getDirectoryContent(string $directory): \Traversable {
 		$entries = $this->getWrapperStorage()->getDirectoryContent($this->findPathToUse($directory));
 		foreach ($entries as $entry) {
diff --git a/lib/private/Files/Storage/Wrapper/EncodingDirectoryWrapper.php b/lib/private/Files/Storage/Wrapper/EncodingDirectoryWrapper.php
index 0a90b49f0f1..3f07d690a50 100644
--- a/lib/private/Files/Storage/Wrapper/EncodingDirectoryWrapper.php
+++ b/lib/private/Files/Storage/Wrapper/EncodingDirectoryWrapper.php
@@ -13,6 +13,7 @@ use OC\Files\Filesystem;
  * Normalize file names while reading directory entries
  */
 class EncodingDirectoryWrapper extends DirectoryWrapper {
+	#[\Override]
 	public function dir_readdir(): string|false {
 		$file = readdir($this->source);
 		if ($file !== false && $file !== '.' && $file !== '..') {
diff --git a/lib/private/Files/Storage/Wrapper/Encryption.php b/lib/private/Files/Storage/Wrapper/Encryption.php
index 194c57a4191..8edf25e9a51 100644
--- a/lib/private/Files/Storage/Wrapper/Encryption.php
+++ b/lib/private/Files/Storage/Wrapper/Encryption.php
@@ -61,6 +61,7 @@ class Encryption extends Wrapper {
 		parent::__construct($parameters);
 	}
 
+	#[\Override]
 	public function filesize(string $path): int|float|false {
 		$fullPath = $this->getFullPath($path);
 
@@ -128,6 +129,7 @@ class Encryption extends Wrapper {
 		return $data;
 	}
 
+	#[\Override]
 	public function getMetaData(string $path): ?array {
 		$data = $this->getWrapperStorage()->getMetaData($path);
 		if (is_null($data)) {
@@ -136,6 +138,7 @@ class Encryption extends Wrapper {
 		return $this->modifyMetaData($path, $data);
 	}
 
+	#[\Override]
 	public function getDirectoryContent(string $directory): \Traversable {
 		$parent = rtrim($directory, '/');
 		foreach ($this->getWrapperStorage()->getDirectoryContent($directory) as $data) {
@@ -143,6 +146,7 @@ class Encryption extends Wrapper {
 		}
 	}
 
+	#[\Override]
 	public function file_get_contents(string $path): string|false {
 		$encryptionModule = $this->getEncryptionModule($path);
 
@@ -158,6 +162,7 @@ class Encryption extends Wrapper {
 		return $this->getWrapperStorage()->file_get_contents($path);
 	}
 
+	#[\Override]
 	public function file_put_contents(string $path, mixed $data): int|float|false {
 		// file put content will always be translated to a stream write
 		$handle = $this->fopen($path, 'w');
@@ -170,6 +175,7 @@ class Encryption extends Wrapper {
 		return false;
 	}
 
+	#[\Override]
 	public function unlink(string $path): bool {
 		$fullPath = $this->getFullPath($path);
 		if ($this->util->isExcluded($fullPath)) {
@@ -184,6 +190,7 @@ class Encryption extends Wrapper {
 		return $this->getWrapperStorage()->unlink($path);
 	}
 
+	#[\Override]
 	public function rename(string $source, string $target): bool {
 		$result = $this->getWrapperStorage()->rename($source, $target);
 
@@ -209,6 +216,7 @@ class Encryption extends Wrapper {
 		return $result;
 	}
 
+	#[\Override]
 	public function rmdir(string $path): bool {
 		$result = $this->getWrapperStorage()->rmdir($path);
 		$fullPath = $this->getFullPath($path);
@@ -222,6 +230,7 @@ class Encryption extends Wrapper {
 		return $result;
 	}
 
+	#[\Override]
 	public function isReadable(string $path): bool {
 		$isReadable = true;
 
@@ -239,6 +248,7 @@ class Encryption extends Wrapper {
 		return $this->getWrapperStorage()->isReadable($path) && $isReadable;
 	}
 
+	#[\Override]
 	public function copy(string $source, string $target): bool {
 		$sourcePath = $this->getFullPath($source);
 
@@ -252,6 +262,7 @@ class Encryption extends Wrapper {
 		return $this->copyFromStorage($this, $source, $target);
 	}
 
+	#[\Override]
 	public function fopen(string $path, string $mode) {
 		// check if the file is stored in the array cache, this means that we
 		// copy a file over to the versions folder, in this case we don't want to
@@ -518,6 +529,7 @@ class Encryption extends Wrapper {
 		return $data;
 	}
 
+	#[\Override]
 	public function moveFromStorage(
 		Storage\IStorage $sourceStorage,
 		string $sourceInternalPath,
@@ -561,6 +573,7 @@ class Encryption extends Wrapper {
 		return $result;
 	}
 
+	#[\Override]
 	public function copyFromStorage(
 		Storage\IStorage $sourceStorage,
 		string $sourceInternalPath,
@@ -721,6 +734,7 @@ class Encryption extends Wrapper {
 		return $result;
 	}
 
+	#[\Override]
 	public function getLocalFile(string $path): string|false {
 		if ($this->encryptionManager->isEnabled()) {
 			$cachedFile = $this->getCachedFile($path);
@@ -731,6 +745,7 @@ class Encryption extends Wrapper {
 		return $this->getWrapperStorage()->getLocalFile($path);
 	}
 
+	#[\Override]
 	public function isLocal(): bool {
 		if ($this->encryptionManager->isEnabled()) {
 			return false;
@@ -738,6 +753,7 @@ class Encryption extends Wrapper {
 		return $this->getWrapperStorage()->isLocal();
 	}
 
+	#[\Override]
 	public function stat(string $path): array|false {
 		$stat = $this->getWrapperStorage()->stat($path);
 		if (!$stat) {
@@ -750,6 +766,7 @@ class Encryption extends Wrapper {
 		return $stat;
 	}
 
+	#[\Override]
 	public function hash(string $type, string $path, bool $raw = false): string|false {
 		$fh = $this->fopen($path, 'rb');
 		if ($fh === false) {
@@ -912,6 +929,7 @@ class Encryption extends Wrapper {
 		return $encryptionModule->shouldEncrypt($fullPath);
 	}
 
+	#[\Override]
 	public function writeStream(string $path, $stream, ?int $size = null): int {
 		// always fall back to fopen
 		$target = $this->fopen($path, 'w');
diff --git a/lib/private/Files/Storage/Wrapper/Jail.php b/lib/private/Files/Storage/Wrapper/Jail.php
index 1d5dfc7153a..7d1a5814e93 100644
--- a/lib/private/Files/Storage/Wrapper/Jail.php
+++ b/lib/private/Files/Storage/Wrapper/Jail.php
@@ -74,152 +74,189 @@ class Jail extends Wrapper {
 		}
 	}
 
+	#[\Override]
 	public function getId(): string {
 		return parent::getId();
 	}
 
+	#[\Override]
 	public function mkdir(string $path): bool {
 		return $this->getWrapperStorage()->mkdir($this->getUnjailedPath($path));
 	}
 
+	#[\Override]
 	public function rmdir(string $path): bool {
 		return $this->getWrapperStorage()->rmdir($this->getUnjailedPath($path));
 	}
 
+	#[\Override]
 	public function opendir(string $path) {
 		return $this->getWrapperStorage()->opendir($this->getUnjailedPath($path));
 	}
 
+	#[\Override]
 	public function is_dir(string $path): bool {
 		return $this->getWrapperStorage()->is_dir($this->getUnjailedPath($path));
 	}
 
+	#[\Override]
 	public function is_file(string $path): bool {
 		return $this->getWrapperStorage()->is_file($this->getUnjailedPath($path));
 	}
 
+	#[\Override]
 	public function stat(string $path): array|false {
 		return $this->getWrapperStorage()->stat($this->getUnjailedPath($path));
 	}
 
+	#[\Override]
 	public function filetype(string $path): string|false {
 		return $this->getWrapperStorage()->filetype($this->getUnjailedPath($path));
 	}
 
+	#[\Override]
 	public function filesize(string $path): int|float|false {
 		return $this->getWrapperStorage()->filesize($this->getUnjailedPath($path));
 	}
 
+	#[\Override]
 	public function isCreatable(string $path): bool {
 		return $this->getWrapperStorage()->isCreatable($this->getUnjailedPath($path));
 	}
 
+	#[\Override]
 	public function isReadable(string $path): bool {
 		return $this->getWrapperStorage()->isReadable($this->getUnjailedPath($path));
 	}
 
+	#[\Override]
 	public function isUpdatable(string $path): bool {
 		return $this->getWrapperStorage()->isUpdatable($this->getUnjailedPath($path));
 	}
 
+	#[\Override]
 	public function isDeletable(string $path): bool {
 		return $this->getWrapperStorage()->isDeletable($this->getUnjailedPath($path));
 	}
 
+	#[\Override]
 	public function isSharable(string $path): bool {
 		return $this->getWrapperStorage()->isSharable($this->getUnjailedPath($path));
 	}
 
+	#[\Override]
 	public function getPermissions(string $path): int {
 		return $this->getWrapperStorage()->getPermissions($this->getUnjailedPath($path));
 	}
 
+	#[\Override]
 	public function file_exists(string $path): bool {
 		return $this->getWrapperStorage()->file_exists($this->getUnjailedPath($path));
 	}
 
+	#[\Override]
 	public function filemtime(string $path): int|false {
 		return $this->getWrapperStorage()->filemtime($this->getUnjailedPath($path));
 	}
 
+	#[\Override]
 	public function file_get_contents(string $path): string|false {
 		return $this->getWrapperStorage()->file_get_contents($this->getUnjailedPath($path));
 	}
 
+	#[\Override]
 	public function file_put_contents(string $path, mixed $data): int|float|false {
 		return $this->getWrapperStorage()->file_put_contents($this->getUnjailedPath($path), $data);
 	}
 
+	#[\Override]
 	public function unlink(string $path): bool {
 		return $this->getWrapperStorage()->unlink($this->getUnjailedPath($path));
 	}
 
+	#[\Override]
 	public function rename(string $source, string $target): bool {
 		return $this->getWrapperStorage()->rename($this->getUnjailedPath($source), $this->getUnjailedPath($target));
 	}
 
+	#[\Override]
 	public function copy(string $source, string $target): bool {
 		return $this->getWrapperStorage()->copy($this->getUnjailedPath($source), $this->getUnjailedPath($target));
 	}
 
+	#[\Override]
 	public function fopen(string $path, string $mode) {
 		return $this->getWrapperStorage()->fopen($this->getUnjailedPath($path), $mode);
 	}
 
+	#[\Override]
 	public function getMimeType(string $path): string|false {
 		return $this->getWrapperStorage()->getMimeType($this->getUnjailedPath($path));
 	}
 
+	#[\Override]
 	public function hash(string $type, string $path, bool $raw = false): string|false {
 		return $this->getWrapperStorage()->hash($type, $this->getUnjailedPath($path), $raw);
 	}
 
+	#[\Override]
 	public function free_space(string $path): int|float|false {
 		return $this->getWrapperStorage()->free_space($this->getUnjailedPath($path));
 	}
 
+	#[\Override]
 	public function touch(string $path, ?int $mtime = null): bool {
 		return $this->getWrapperStorage()->touch($this->getUnjailedPath($path), $mtime);
 	}
 
+	#[\Override]
 	public function getLocalFile(string $path): string|false {
 		return $this->getWrapperStorage()->getLocalFile($this->getUnjailedPath($path));
 	}
 
+	#[\Override]
 	public function hasUpdated(string $path, int $time): bool {
 		return $this->getWrapperStorage()->hasUpdated($this->getUnjailedPath($path), $time);
 	}
 
+	#[\Override]
 	public function getCache(string $path = '', ?IStorage $storage = null): ICache {
 		$sourceCache = $this->getWrapperStorage()->getCache($this->getUnjailedPath($path));
 		return new CacheJail($sourceCache, $this->rootPath);
 	}
 
+	#[\Override]
 	public function getOwner(string $path): string|false {
 		return $this->getWrapperStorage()->getOwner($this->getUnjailedPath($path));
 	}
 
+	#[\Override]
 	public function getWatcher(string $path = '', ?IStorage $storage = null): IWatcher {
 		$sourceWatcher = $this->getWrapperStorage()->getWatcher($this->getUnjailedPath($path), $this->getWrapperStorage());
 		return new JailWatcher($sourceWatcher, $this->rootPath);
 	}
 
+	#[\Override]
 	public function getETag(string $path): string|false {
 		return $this->getWrapperStorage()->getETag($this->getUnjailedPath($path));
 	}
 
+	#[\Override]
 	public function getMetaData(string $path): ?array {
 		return $this->getWrapperStorage()->getMetaData($this->getUnjailedPath($path));
 	}
 
+	#[\Override]
 	public function acquireLock(string $path, int $type, ILockingProvider $provider): void {
 		$this->getWrapperStorage()->acquireLock($this->getUnjailedPath($path), $type, $provider);
 	}
 
+	#[\Override]
 	public function releaseLock(string $path, int $type, ILockingProvider $provider): void {
 		$this->getWrapperStorage()->releaseLock($this->getUnjailedPath($path), $type, $provider);
 	}
 
+	#[\Override]
 	public function changeLock(string $path, int $type, ILockingProvider $provider): void {
 		$this->getWrapperStorage()->changeLock($this->getUnjailedPath($path), $type, $provider);
 	}
@@ -233,6 +270,7 @@ class Jail extends Wrapper {
 		return [$this->getWrapperStorage(), $this->getUnjailedPath($path)];
 	}
 
+	#[\Override]
 	public function copyFromStorage(IStorage $sourceStorage, string $sourceInternalPath, string $targetInternalPath): bool {
 		if ($sourceStorage === $this) {
 			return $this->copy($sourceInternalPath, $targetInternalPath);
@@ -240,6 +278,7 @@ class Jail extends Wrapper {
 		return $this->getWrapperStorage()->copyFromStorage($sourceStorage, $sourceInternalPath, $this->getUnjailedPath($targetInternalPath));
 	}
 
+	#[\Override]
 	public function moveFromStorage(IStorage $sourceStorage, string $sourceInternalPath, string $targetInternalPath): bool {
 		if ($sourceStorage === $this) {
 			return $this->rename($sourceInternalPath, $targetInternalPath);
@@ -247,6 +286,7 @@ class Jail extends Wrapper {
 		return $this->getWrapperStorage()->moveFromStorage($sourceStorage, $sourceInternalPath, $this->getUnjailedPath($targetInternalPath));
 	}
 
+	#[\Override]
 	public function getPropagator(?IStorage $storage = null): IPropagator {
 		if (isset($this->propagator)) {
 			return $this->propagator;
@@ -259,6 +299,7 @@ class Jail extends Wrapper {
 		return $this->propagator;
 	}
 
+	#[\Override]
 	public function writeStream(string $path, $stream, ?int $size = null): int {
 		$storage = $this->getWrapperStorage();
 		if ($storage->instanceOfStorage(IWriteStreamStorage::class)) {
@@ -277,6 +318,7 @@ class Jail extends Wrapper {
 		}
 	}
 
+	#[\Override]
 	public function getDirectoryContent(string $directory): \Traversable {
 		return $this->getWrapperStorage()->getDirectoryContent($this->getUnjailedPath($directory));
 	}
diff --git a/lib/private/Files/Storage/Wrapper/KnownMtime.php b/lib/private/Files/Storage/Wrapper/KnownMtime.php
index 657c6c9250c..da10e940753 100644
--- a/lib/private/Files/Storage/Wrapper/KnownMtime.php
+++ b/lib/private/Files/Storage/Wrapper/KnownMtime.php
@@ -26,6 +26,7 @@ class KnownMtime extends Wrapper {
 		$this->clock = $parameters['clock'];
 	}
 
+	#[\Override]
 	public function file_put_contents(string $path, mixed $data): int|float|false {
 		$result = parent::file_put_contents($path, $data);
 		if ($result) {
@@ -35,6 +36,7 @@ class KnownMtime extends Wrapper {
 		return $result;
 	}
 
+	#[\Override]
 	public function stat(string $path): array|false {
 		$stat = parent::stat($path);
 		if ($stat) {
@@ -43,6 +45,7 @@ class KnownMtime extends Wrapper {
 		return $stat;
 	}
 
+	#[\Override]
 	public function getMetaData(string $path): ?array {
 		$stat = parent::getMetaData($path);
 		if ($stat) {
@@ -58,11 +61,13 @@ class KnownMtime extends Wrapper {
 		}
 	}
 
+	#[\Override]
 	public function filemtime(string $path): int|false {
 		$knownMtime = $this->knowMtimes->get($path) ?? 0;
 		return max(parent::filemtime($path), $knownMtime);
 	}
 
+	#[\Override]
 	public function mkdir(string $path): bool {
 		$result = parent::mkdir($path);
 		if ($result) {
@@ -71,6 +76,7 @@ class KnownMtime extends Wrapper {
 		return $result;
 	}
 
+	#[\Override]
 	public function rmdir(string $path): bool {
 		$result = parent::rmdir($path);
 		if ($result) {
@@ -79,6 +85,7 @@ class KnownMtime extends Wrapper {
 		return $result;
 	}
 
+	#[\Override]
 	public function unlink(string $path): bool {
 		$result = parent::unlink($path);
 		if ($result) {
@@ -87,6 +94,7 @@ class KnownMtime extends Wrapper {
 		return $result;
 	}
 
+	#[\Override]
 	public function rename(string $source, string $target): bool {
 		$result = parent::rename($source, $target);
 		if ($result) {
@@ -96,6 +104,7 @@ class KnownMtime extends Wrapper {
 		return $result;
 	}
 
+	#[\Override]
 	public function copy(string $source, string $target): bool {
 		$result = parent::copy($source, $target);
 		if ($result) {
@@ -104,6 +113,7 @@ class KnownMtime extends Wrapper {
 		return $result;
 	}
 
+	#[\Override]
 	public function fopen(string $path, string $mode) {
 		$result = parent::fopen($path, $mode);
 		if ($result && $mode === 'w') {
@@ -112,6 +122,7 @@ class KnownMtime extends Wrapper {
 		return $result;
 	}
 
+	#[\Override]
 	public function touch(string $path, ?int $mtime = null): bool {
 		$result = parent::touch($path, $mtime);
 		if ($result) {
@@ -120,6 +131,7 @@ class KnownMtime extends Wrapper {
 		return $result;
 	}
 
+	#[\Override]
 	public function copyFromStorage(IStorage $sourceStorage, string $sourceInternalPath, string $targetInternalPath): bool {
 		$result = parent::copyFromStorage($sourceStorage, $sourceInternalPath, $targetInternalPath);
 		if ($result) {
@@ -128,6 +140,7 @@ class KnownMtime extends Wrapper {
 		return $result;
 	}
 
+	#[\Override]
 	public function moveFromStorage(IStorage $sourceStorage, string $sourceInternalPath, string $targetInternalPath): bool {
 		$result = parent::moveFromStorage($sourceStorage, $sourceInternalPath, $targetInternalPath);
 		if ($result) {
@@ -136,6 +149,7 @@ class KnownMtime extends Wrapper {
 		return $result;
 	}
 
+	#[\Override]
 	public function writeStream(string $path, $stream, ?int $size = null): int {
 		$result = parent::writeStream($path, $stream, $size);
 		if ($result) {
diff --git a/lib/private/Files/Storage/Wrapper/PermissionsMask.php b/lib/private/Files/Storage/Wrapper/PermissionsMask.php
index e67885b4397..15061b7c023 100644
--- a/lib/private/Files/Storage/Wrapper/PermissionsMask.php
+++ b/lib/private/Files/Storage/Wrapper/PermissionsMask.php
@@ -42,26 +42,32 @@ class PermissionsMask extends Wrapper {
 		return ($this->mask & $permissions) === $permissions;
 	}
 
+	#[\Override]
 	public function isUpdatable(string $path): bool {
 		return $this->checkMask(Constants::PERMISSION_UPDATE) && parent::isUpdatable($path);
 	}
 
+	#[\Override]
 	public function isCreatable(string $path): bool {
 		return $this->checkMask(Constants::PERMISSION_CREATE) && parent::isCreatable($path);
 	}
 
+	#[\Override]
 	public function isDeletable(string $path): bool {
 		return $this->checkMask(Constants::PERMISSION_DELETE) && parent::isDeletable($path);
 	}
 
+	#[\Override]
 	public function isSharable(string $path): bool {
 		return $this->checkMask(Constants::PERMISSION_SHARE) && parent::isSharable($path);
 	}
 
+	#[\Override]
 	public function getPermissions(string $path): int {
 		return $this->getWrapperStorage()->getPermissions($path) & $this->mask;
 	}
 
+	#[\Override]
 	public function rename(string $source, string $target): bool {
 		//This is a rename of the transfer file to the original file
 		if (dirname($source) === dirname($target) && strpos($source, '.ocTransferId') > 0) {
@@ -70,32 +76,39 @@ class PermissionsMask extends Wrapper {
 		return $this->checkMask(Constants::PERMISSION_UPDATE) && parent::rename($source, $target);
 	}
 
+	#[\Override]
 	public function copy(string $source, string $target): bool {
 		return $this->checkMask(Constants::PERMISSION_CREATE) && parent::copy($source, $target);
 	}
 
+	#[\Override]
 	public function touch(string $path, ?int $mtime = null): bool {
 		$permissions = $this->file_exists($path) ? Constants::PERMISSION_UPDATE : Constants::PERMISSION_CREATE;
 		return $this->checkMask($permissions) && parent::touch($path, $mtime);
 	}
 
+	#[\Override]
 	public function mkdir(string $path): bool {
 		return $this->checkMask(Constants::PERMISSION_CREATE) && parent::mkdir($path);
 	}
 
+	#[\Override]
 	public function rmdir(string $path): bool {
 		return $this->checkMask(Constants::PERMISSION_DELETE) && parent::rmdir($path);
 	}
 
+	#[\Override]
 	public function unlink(string $path): bool {
 		return $this->checkMask(Constants::PERMISSION_DELETE) && parent::unlink($path);
 	}
 
+	#[\Override]
 	public function file_put_contents(string $path, mixed $data): int|float|false {
 		$permissions = $this->file_exists($path) ? Constants::PERMISSION_UPDATE : Constants::PERMISSION_CREATE;
 		return $this->checkMask($permissions) ? parent::file_put_contents($path, $data) : false;
 	}
 
+	#[\Override]
 	public function fopen(string $path, string $mode) {
 		if ($mode === 'r' || $mode === 'rb') {
 			return parent::fopen($path, $mode);
@@ -105,6 +118,7 @@ class PermissionsMask extends Wrapper {
 		}
 	}
 
+	#[\Override]
 	public function getCache(string $path = '', ?IStorage $storage = null): ICache {
 		if (!$storage) {
 			$storage = $this;
@@ -113,6 +127,7 @@ class PermissionsMask extends Wrapper {
 		return new CachePermissionsMask($sourceCache, $this->mask);
 	}
 
+	#[\Override]
 	public function getMetaData(string $path): ?array {
 		$data = parent::getMetaData($path);
 
@@ -123,6 +138,7 @@ class PermissionsMask extends Wrapper {
 		return $data;
 	}
 
+	#[\Override]
 	public function getScanner(string $path = '', ?IStorage $storage = null): IScanner {
 		if (!$storage) {
 			$storage = $this->getWrapperStorage();
@@ -130,6 +146,7 @@ class PermissionsMask extends Wrapper {
 		return parent::getScanner($path, $storage);
 	}
 
+	#[\Override]
 	public function getDirectoryContent(string $directory): \Traversable {
 		foreach ($this->getWrapperStorage()->getDirectoryContent($directory) as $data) {
 			$data['scan_permissions'] ??= $data['permissions'];
diff --git a/lib/private/Files/Storage/Wrapper/Quota.php b/lib/private/Files/Storage/Wrapper/Quota.php
index ce0de5bb711..e0c3366146e 100644
--- a/lib/private/Files/Storage/Wrapper/Quota.php
+++ b/lib/private/Files/Storage/Wrapper/Quota.php
@@ -71,6 +71,7 @@ class Quota extends Wrapper {
 		}
 	}
 
+	#[\Override]
 	public function free_space(string $path): int|float|false {
 		if (!$this->hasQuota()) {
 			return $this->getWrapperStorage()->free_space($path);
@@ -91,6 +92,7 @@ class Quota extends Wrapper {
 		}
 	}
 
+	#[\Override]
 	public function file_put_contents(string $path, mixed $data): int|float|false {
 		if (!$this->hasQuota()) {
 			return $this->getWrapperStorage()->file_put_contents($path, $data);
@@ -103,6 +105,7 @@ class Quota extends Wrapper {
 		}
 	}
 
+	#[\Override]
 	public function copy(string $source, string $target): bool {
 		if (!$this->hasQuota()) {
 			return $this->getWrapperStorage()->copy($source, $target);
@@ -115,6 +118,7 @@ class Quota extends Wrapper {
 		}
 	}
 
+	#[\Override]
 	public function fopen(string $path, string $mode) {
 		if (!$this->hasQuota()) {
 			return $this->getWrapperStorage()->fopen($path, $mode);
@@ -154,6 +158,7 @@ class Quota extends Wrapper {
 		return str_starts_with(ltrim($path, '/'), 'files/');
 	}
 
+	#[\Override]
 	public function copyFromStorage(IStorage $sourceStorage, string $sourceInternalPath, string $targetInternalPath): bool {
 		if (!$this->hasQuota()) {
 			return $this->getWrapperStorage()->copyFromStorage($sourceStorage, $sourceInternalPath, $targetInternalPath);
@@ -166,6 +171,7 @@ class Quota extends Wrapper {
 		}
 	}
 
+	#[\Override]
 	public function moveFromStorage(IStorage $sourceStorage, string $sourceInternalPath, string $targetInternalPath): bool {
 		if (!$this->hasQuota()) {
 			return $this->getWrapperStorage()->moveFromStorage($sourceStorage, $sourceInternalPath, $targetInternalPath);
@@ -178,6 +184,7 @@ class Quota extends Wrapper {
 		}
 	}
 
+	#[\Override]
 	public function mkdir(string $path): bool {
 		if (!$this->hasQuota()) {
 			return $this->getWrapperStorage()->mkdir($path);
@@ -190,6 +197,7 @@ class Quota extends Wrapper {
 		return parent::mkdir($path);
 	}
 
+	#[\Override]
 	public function touch(string $path, ?int $mtime = null): bool {
 		if (!$this->hasQuota()) {
 			return $this->getWrapperStorage()->touch($path, $mtime);
diff --git a/lib/private/Files/Storage/Wrapper/Wrapper.php b/lib/private/Files/Storage/Wrapper/Wrapper.php
index d9928626ed1..ff43e75d6ec 100644
--- a/lib/private/Files/Storage/Wrapper/Wrapper.php
+++ b/lib/private/Files/Storage/Wrapper/Wrapper.php
@@ -55,122 +55,152 @@ class Wrapper implements Storage, ILockingStorage, IWriteStreamStorage {
 		return $this->storage;
 	}
 
+	#[\Override]
 	public function getId(): string {
 		return $this->getWrapperStorage()->getId();
 	}
 
+	#[\Override]
 	public function mkdir(string $path): bool {
 		return $this->getWrapperStorage()->mkdir($path);
 	}
 
+	#[\Override]
 	public function rmdir(string $path): bool {
 		return $this->getWrapperStorage()->rmdir($path);
 	}
 
+	#[\Override]
 	public function opendir(string $path) {
 		return $this->getWrapperStorage()->opendir($path);
 	}
 
+	#[\Override]
 	public function is_dir(string $path): bool {
 		return $this->getWrapperStorage()->is_dir($path);
 	}
 
+	#[\Override]
 	public function is_file(string $path): bool {
 		return $this->getWrapperStorage()->is_file($path);
 	}
 
+	#[\Override]
 	public function stat(string $path): array|false {
 		return $this->getWrapperStorage()->stat($path);
 	}
 
+	#[\Override]
 	public function filetype(string $path): string|false {
 		return $this->getWrapperStorage()->filetype($path);
 	}
 
+	#[\Override]
 	public function filesize(string $path): int|float|false {
 		return $this->getWrapperStorage()->filesize($path);
 	}
 
+	#[\Override]
 	public function isCreatable(string $path): bool {
 		return $this->getWrapperStorage()->isCreatable($path);
 	}
 
+	#[\Override]
 	public function isReadable(string $path): bool {
 		return $this->getWrapperStorage()->isReadable($path);
 	}
 
+	#[\Override]
 	public function isUpdatable(string $path): bool {
 		return $this->getWrapperStorage()->isUpdatable($path);
 	}
 
+	#[\Override]
 	public function isDeletable(string $path): bool {
 		return $this->getWrapperStorage()->isDeletable($path);
 	}
 
+	#[\Override]
 	public function isSharable(string $path): bool {
 		return $this->getWrapperStorage()->isSharable($path);
 	}
 
+	#[\Override]
 	public function getPermissions(string $path): int {
 		return $this->getWrapperStorage()->getPermissions($path);
 	}
 
+	#[\Override]
 	public function file_exists(string $path): bool {
 		return $this->getWrapperStorage()->file_exists($path);
 	}
 
+	#[\Override]
 	public function filemtime(string $path): int|false {
 		return $this->getWrapperStorage()->filemtime($path);
 	}
 
+	#[\Override]
 	public function file_get_contents(string $path): string|false {
 		return $this->getWrapperStorage()->file_get_contents($path);
 	}
 
+	#[\Override]
 	public function file_put_contents(string $path, mixed $data): int|float|false {
 		return $this->getWrapperStorage()->file_put_contents($path, $data);
 	}
 
+	#[\Override]
 	public function unlink(string $path): bool {
 		return $this->getWrapperStorage()->unlink($path);
 	}
 
+	#[\Override]
 	public function rename(string $source, string $target): bool {
 		return $this->getWrapperStorage()->rename($source, $target);
 	}
 
+	#[\Override]
 	public function copy(string $source, string $target): bool {
 		return $this->getWrapperStorage()->copy($source, $target);
 	}
 
+	#[\Override]
 	public function fopen(string $path, string $mode) {
 		return $this->getWrapperStorage()->fopen($path, $mode);
 	}
 
+	#[\Override]
 	public function getMimeType(string $path): string|false {
 		return $this->getWrapperStorage()->getMimeType($path);
 	}
 
+	#[\Override]
 	public function hash(string $type, string $path, bool $raw = false): string|false {
 		return $this->getWrapperStorage()->hash($type, $path, $raw);
 	}
 
+	#[\Override]
 	public function free_space(string $path): int|float|false {
 		return $this->getWrapperStorage()->free_space($path);
 	}
 
+	#[\Override]
 	public function touch(string $path, ?int $mtime = null): bool {
 		return $this->getWrapperStorage()->touch($path, $mtime);
 	}
 
+	#[\Override]
 	public function getLocalFile(string $path): string|false {
 		return $this->getWrapperStorage()->getLocalFile($path);
 	}
 
+	#[\Override]
 	public function hasUpdated(string $path, int $time): bool {
 		return $this->getWrapperStorage()->hasUpdated($path, $time);
 	}
 
+	#[\Override]
 	public function getCache(string $path = '', ?IStorage $storage = null): ICache {
 		if (!$storage instanceof IStorage) {
 			$storage = $this;
@@ -179,6 +209,7 @@ class Wrapper implements Storage, ILockingStorage, IWriteStreamStorage {
 		return $this->getWrapperStorage()->getCache($path, $storage);
 	}
 
+	#[\Override]
 	public function getScanner(string $path = '', ?IStorage $storage = null): IScanner {
 		if (!$storage instanceof IStorage) {
 			$storage = $this;
@@ -187,10 +218,12 @@ class Wrapper implements Storage, ILockingStorage, IWriteStreamStorage {
 		return $this->getWrapperStorage()->getScanner($path, $storage);
 	}
 
+	#[\Override]
 	public function getOwner(string $path): string|false {
 		return $this->getWrapperStorage()->getOwner($path);
 	}
 
+	#[\Override]
 	public function getWatcher(string $path = '', ?IStorage $storage = null): IWatcher {
 		if (!$storage instanceof IStorage) {
 			$storage = $this;
@@ -199,6 +232,7 @@ class Wrapper implements Storage, ILockingStorage, IWriteStreamStorage {
 		return $this->getWrapperStorage()->getWatcher($path, $storage);
 	}
 
+	#[\Override]
 	public function getPropagator(?IStorage $storage = null): IPropagator {
 		if (!$storage instanceof IStorage) {
 			$storage = $this;
@@ -207,6 +241,7 @@ class Wrapper implements Storage, ILockingStorage, IWriteStreamStorage {
 		return $this->getWrapperStorage()->getPropagator($storage);
 	}
 
+	#[\Override]
 	public function getUpdater(?IStorage $storage = null): IUpdater {
 		if (!$storage instanceof IStorage) {
 			$storage = $this;
@@ -215,22 +250,27 @@ class Wrapper implements Storage, ILockingStorage, IWriteStreamStorage {
 		return $this->getWrapperStorage()->getUpdater($storage);
 	}
 
+	#[\Override]
 	public function getStorageCache(): \OC\Files\Cache\Storage {
 		return $this->getWrapperStorage()->getStorageCache();
 	}
 
+	#[\Override]
 	public function getETag(string $path): string|false {
 		return $this->getWrapperStorage()->getETag($path);
 	}
 
+	#[\Override]
 	public function test(): bool {
 		return $this->getWrapperStorage()->test();
 	}
 
+	#[\Override]
 	public function isLocal(): bool {
 		return $this->getWrapperStorage()->isLocal();
 	}
 
+	#[\Override]
 	public function instanceOfStorage(string $class): bool {
 		return is_a($this, $class) || $this->getWrapperStorage()->instanceOfStorage($class);
 	}
@@ -277,18 +317,22 @@ class Wrapper implements Storage, ILockingStorage, IWriteStreamStorage {
 		return $this->getWrapperStorage()->getDirectDownloadById($fileId);
 	}
 
+	#[\Override]
 	public function getAvailability(): array {
 		return $this->getWrapperStorage()->getAvailability();
 	}
 
+	#[\Override]
 	public function setAvailability(bool $isAvailable): void {
 		$this->getWrapperStorage()->setAvailability($isAvailable);
 	}
 
+	#[\Override]
 	public function verifyPath(string $path, string $fileName): void {
 		$this->getWrapperStorage()->verifyPath($path, $fileName);
 	}
 
+	#[\Override]
 	public function copyFromStorage(IStorage $sourceStorage, string $sourceInternalPath, string $targetInternalPath): bool {
 		if ($sourceStorage === $this) {
 			return $this->copy($sourceInternalPath, $targetInternalPath);
@@ -297,6 +341,7 @@ class Wrapper implements Storage, ILockingStorage, IWriteStreamStorage {
 		return $this->getWrapperStorage()->copyFromStorage($sourceStorage, $sourceInternalPath, $targetInternalPath);
 	}
 
+	#[\Override]
 	public function moveFromStorage(IStorage $sourceStorage, string $sourceInternalPath, string $targetInternalPath): bool {
 		if ($sourceStorage === $this) {
 			return $this->rename($sourceInternalPath, $targetInternalPath);
@@ -305,10 +350,12 @@ class Wrapper implements Storage, ILockingStorage, IWriteStreamStorage {
 		return $this->getWrapperStorage()->moveFromStorage($sourceStorage, $sourceInternalPath, $targetInternalPath);
 	}
 
+	#[\Override]
 	public function getMetaData(string $path): ?array {
 		return $this->getWrapperStorage()->getMetaData($path);
 	}
 
+	#[\Override]
 	public function acquireLock(string $path, int $type, ILockingProvider $provider): void {
 		$storage = $this->getWrapperStorage();
 		if ($storage->instanceOfStorage(ILockingStorage::class)) {
@@ -316,6 +363,7 @@ class Wrapper implements Storage, ILockingStorage, IWriteStreamStorage {
 		}
 	}
 
+	#[\Override]
 	public function releaseLock(string $path, int $type, ILockingProvider $provider): void {
 		$storage = $this->getWrapperStorage();
 		if ($storage->instanceOfStorage(ILockingStorage::class)) {
@@ -323,6 +371,7 @@ class Wrapper implements Storage, ILockingStorage, IWriteStreamStorage {
 		}
 	}
 
+	#[\Override]
 	public function changeLock(string $path, int $type, ILockingProvider $provider): void {
 		$storage = $this->getWrapperStorage();
 		if ($storage->instanceOfStorage(ILockingStorage::class)) {
@@ -330,10 +379,12 @@ class Wrapper implements Storage, ILockingStorage, IWriteStreamStorage {
 		}
 	}
 
+	#[\Override]
 	public function needsPartFile(): bool {
 		return $this->getWrapperStorage()->needsPartFile();
 	}
 
+	#[\Override]
 	public function writeStream(string $path, $stream, ?int $size = null): int {
 		$storage = $this->getWrapperStorage();
 		if ($storage->instanceOfStorage(IWriteStreamStorage::class)) {
@@ -356,6 +407,7 @@ class Wrapper implements Storage, ILockingStorage, IWriteStreamStorage {
 		return $count;
 	}
 
+	#[\Override]
 	public function getDirectoryContent(string $directory): \Traversable {
 		return $this->getWrapperStorage()->getDirectoryContent($directory);
 	}
@@ -373,6 +425,7 @@ class Wrapper implements Storage, ILockingStorage, IWriteStreamStorage {
 		return false;
 	}
 
+	#[\Override]
 	public function setOwner(?string $user): void {
 		$this->getWrapperStorage()->setOwner($user);
 	}
diff --git a/lib/private/Files/Stream/Encryption.php b/lib/private/Files/Stream/Encryption.php
index ef147ec421f..1c662aa023c 100644
--- a/lib/private/Files/Stream/Encryption.php
+++ b/lib/private/Files/Stream/Encryption.php
@@ -142,6 +142,7 @@ class Encryption extends Wrapper {
 	 * @return resource
 	 * @throws \BadMethodCallException
 	 */
+	#[\Override]
 	protected static function wrapSource($source, $context = [], $protocol = null, $class = null, $mode = 'r+') {
 		try {
 			if ($protocol === null) {
@@ -182,6 +183,7 @@ class Encryption extends Wrapper {
 	 * @return array
 	 * @throws \BadMethodCallException
 	 */
+	#[\Override]
 	protected function loadContext($name = null) {
 		$context = parent::loadContext($name);
 
@@ -195,6 +197,7 @@ class Encryption extends Wrapper {
 		return $context;
 	}
 
+	#[\Override]
 	public function stream_open($path, $mode, $options, &$opened_path) {
 		$this->loadContext('ocencryption');
 
@@ -246,10 +249,12 @@ class Encryption extends Wrapper {
 		return true;
 	}
 
+	#[\Override]
 	public function stream_eof() {
 		return $this->position >= $this->unencryptedSize;
 	}
 
+	#[\Override]
 	public function stream_read($count) {
 		$result = '';
 
@@ -301,6 +306,7 @@ class Encryption extends Wrapper {
 		return $data;
 	}
 
+	#[\Override]
 	public function stream_write($data) {
 		$length = 0;
 		// loop over $data to fit it in 6126 sized unencrypted blocks
@@ -351,10 +357,12 @@ class Encryption extends Wrapper {
 		return $length;
 	}
 
+	#[\Override]
 	public function stream_tell() {
 		return $this->position;
 	}
 
+	#[\Override]
 	public function stream_seek($offset, $whence = SEEK_SET) {
 		$return = false;
 
@@ -390,6 +398,7 @@ class Encryption extends Wrapper {
 		return $return;
 	}
 
+	#[\Override]
 	public function stream_close() {
 		$this->flush('end');
 		$position = (int)floor($this->position / $this->unencryptedBlockSize);
@@ -496,6 +505,7 @@ class Encryption extends Wrapper {
 	 * @param array $options
 	 * @return bool
 	 */
+	#[\Override]
 	public function dir_opendir($path, $options) {
 		return false;
 	}
diff --git a/lib/private/Files/Stream/HashWrapper.php b/lib/private/Files/Stream/HashWrapper.php
index 5956ad92549..16206e56c4a 100644
--- a/lib/private/Files/Stream/HashWrapper.php
+++ b/lib/private/Files/Stream/HashWrapper.php
@@ -34,20 +34,24 @@ class HashWrapper extends Wrapper {
 		return true;
 	}
 
+	#[\Override]
 	public function dir_opendir($path, $options) {
 		return $this->open();
 	}
 
+	#[\Override]
 	public function stream_open($path, $mode, $options, &$opened_path) {
 		return $this->open();
 	}
 
+	#[\Override]
 	public function stream_read($count) {
 		$result = parent::stream_read($count);
 		hash_update($this->hash, $result);
 		return $result;
 	}
 
+	#[\Override]
 	public function stream_close() {
 		if (is_callable($this->callback)) {
 			// if the stream is closed as a result of the end-of-request GC, the hash context might be cleaned up before this stream
diff --git a/lib/private/Files/Stream/Quota.php b/lib/private/Files/Stream/Quota.php
index 3c7e09c633b..755d9b428d6 100644
--- a/lib/private/Files/Stream/Quota.php
+++ b/lib/private/Files/Stream/Quota.php
@@ -35,6 +35,7 @@ class Quota extends Wrapper {
 		return Wrapper::wrapSource($stream, $context, 'quota', self::class);
 	}
 
+	#[\Override]
 	public function stream_open($path, $mode, $options, &$opened_path) {
 		$context = $this->loadContext('quota');
 		$this->source = $context['source'];
@@ -43,10 +44,12 @@ class Quota extends Wrapper {
 		return true;
 	}
 
+	#[\Override]
 	public function dir_opendir($path, $options) {
 		return false;
 	}
 
+	#[\Override]
 	public function stream_seek($offset, $whence = SEEK_SET) {
 		if ($whence === SEEK_END) {
 			// go to the end to find out last position's offset
@@ -67,11 +70,13 @@ class Quota extends Wrapper {
 		return fseek($this->source, $offset, $whence) === 0;
 	}
 
+	#[\Override]
 	public function stream_read($count) {
 		$this->limit -= $count;
 		return fread($this->source, $count);
 	}
 
+	#[\Override]
 	public function stream_write($data) {
 		$size = strlen($data);
 		if ($size > $this->limit) {
diff --git a/lib/private/Files/Stream/SeekableHttpStream.php b/lib/private/Files/Stream/SeekableHttpStream.php
index 6ce0a880e8d..cefa8ced1db 100644
--- a/lib/private/Files/Stream/SeekableHttpStream.php
+++ b/lib/private/Files/Stream/SeekableHttpStream.php
@@ -144,6 +144,7 @@ class SeekableHttpStream implements File {
 		return is_resource($this->current);
 	}
 
+	#[\Override]
 	public function stream_open($path, $mode, $options, &$opened_path) {
 		$options = stream_context_get_options($this->context)[self::PROTOCOL];
 		$this->openCallback = $options['callback'];
@@ -151,6 +152,7 @@ class SeekableHttpStream implements File {
 		return $this->reconnect(0);
 	}
 
+	#[\Override]
 	public function stream_read($count) {
 		if (!$this->getCurrent()) {
 			return false;
@@ -160,6 +162,7 @@ class SeekableHttpStream implements File {
 		return $ret;
 	}
 
+	#[\Override]
 	public function stream_seek($offset, $whence = SEEK_SET) {
 		switch ($whence) {
 			case SEEK_SET:
@@ -195,10 +198,12 @@ class SeekableHttpStream implements File {
 		return true;
 	}
 
+	#[\Override]
 	public function stream_tell() {
 		return $this->offset;
 	}
 
+	#[\Override]
 	public function stream_stat() {
 		if ($this->getCurrent()) {
 			$stat = fstat($this->getCurrent());
@@ -211,6 +216,7 @@ class SeekableHttpStream implements File {
 		}
 	}
 
+	#[\Override]
 	public function stream_eof() {
 		if ($this->getCurrent()) {
 			return feof($this->getCurrent());
@@ -219,6 +225,7 @@ class SeekableHttpStream implements File {
 		}
 	}
 
+	#[\Override]
 	public function stream_close() {
 		if ($this->hasOpenStream()) {
 			fclose($this->current);
@@ -226,22 +233,27 @@ class SeekableHttpStream implements File {
 		$this->current = null;
 	}
 
+	#[\Override]
 	public function stream_write($data) {
 		return false;
 	}
 
+	#[\Override]
 	public function stream_set_option($option, $arg1, $arg2) {
 		return false;
 	}
 
+	#[\Override]
 	public function stream_truncate($size) {
 		return false;
 	}
 
+	#[\Override]
 	public function stream_lock($operation) {
 		return false;
 	}
 
+	#[\Override]
 	public function stream_flush() {
 		return; //noop because readonly stream
 	}
diff --git a/lib/private/Files/Template/TemplateManager.php b/lib/private/Files/Template/TemplateManager.php
index d965a41957a..54c082c006f 100644
--- a/lib/private/Files/Template/TemplateManager.php
+++ b/lib/private/Files/Template/TemplateManager.php
@@ -295,6 +295,7 @@ class TemplateManager implements ITemplateManager {
 		];
 	}
 
+	#[\Override]
 	public function hasTemplateDirectory(): bool {
 		try {
 			$this->getTemplateFolder();
diff --git a/lib/private/Files/Type/Detection.php b/lib/private/Files/Type/Detection.php
index f056c5bdd58..67a65cdf0e0 100644
--- a/lib/private/Files/Type/Detection.php
+++ b/lib/private/Files/Type/Detection.php
@@ -121,6 +121,7 @@ class Detection implements IMimeTypeDetector {
 	/**
 	 * @return array<string,string>
 	 */
+	#[\Override]
 	public function getAllAliases(): array {
 		$this->loadAliases();
 		return $this->mimeTypeAlias;
@@ -149,6 +150,7 @@ class Detection implements IMimeTypeDetector {
 	/**
 	 * @return array<list{string, string|null}>
 	 */
+	#[\Override]
 	public function getAllMappings(): array {
 		$this->loadMappings();
 		return $this->mimeTypes;
@@ -168,6 +170,7 @@ class Detection implements IMimeTypeDetector {
 	/**
 	 * @return array<string,string>
 	 */
+	#[\Override]
 	public function getAllNamings(): array {
 		$this->loadNamings();
 		return $this->mimeTypesNames;
@@ -179,6 +182,7 @@ class Detection implements IMimeTypeDetector {
 	 * @param string $path
 	 * @return string
 	 */
+	#[\Override]
 	public function detectPath($path): string {
 		$this->loadMappings();
 
@@ -211,6 +215,7 @@ class Detection implements IMimeTypeDetector {
 	 * @return string
 	 * @since 18.0.0
 	 */
+	#[\Override]
 	public function detectContent(string $path): string {
 		$this->loadMappings();
 
@@ -274,6 +279,7 @@ class Detection implements IMimeTypeDetector {
 	 * @param string $path
 	 * @return string
 	 */
+	#[\Override]
 	public function detect($path): string {
 		$mimeType = $this->detectPath($path);
 
@@ -290,6 +296,7 @@ class Detection implements IMimeTypeDetector {
 	 * @param string $data
 	 * @return string
 	 */
+	#[\Override]
 	public function detectString($data): string {
 		if (class_exists(finfo::class)) {
 			$finfo = new finfo(FILEINFO_MIME_TYPE);
@@ -314,6 +321,7 @@ class Detection implements IMimeTypeDetector {
 	 * @param string $mimeType
 	 * @return string
 	 */
+	#[\Override]
 	public function getSecureMimeType($mimeType): string {
 		$this->loadMappings();
 
@@ -325,6 +333,7 @@ class Detection implements IMimeTypeDetector {
 	 * @param string $mimeType the MIME type
 	 * @return string the url
 	 */
+	#[\Override]
 	public function mimeTypeIcon($mimeType): string {
 		$this->loadAliases();
 
diff --git a/lib/private/Files/Type/Loader.php b/lib/private/Files/Type/Loader.php
index 5fbe4139759..48a62bc2858 100644
--- a/lib/private/Files/Type/Loader.php
+++ b/lib/private/Files/Type/Loader.php
@@ -40,6 +40,7 @@ class Loader implements IMimeTypeLoader {
 	/**
 	 * Get a mimetype from its ID
 	 */
+	#[\Override]
 	public function getMimetypeById(int $id): ?string {
 		if (!$this->mimetypes) {
 			$this->loadMimetypes();
@@ -53,6 +54,7 @@ class Loader implements IMimeTypeLoader {
 	/**
 	 * Get a mimetype ID, adding the mimetype to the DB if it does not exist
 	 */
+	#[\Override]
 	public function getId(string $mimetype): int {
 		if (!$this->mimetypeIds) {
 			$this->loadMimetypes();
@@ -66,6 +68,7 @@ class Loader implements IMimeTypeLoader {
 	/**
 	 * Test if a mimetype exists in the database
 	 */
+	#[\Override]
 	public function exists(string $mimetype): bool {
 		if (!$this->mimetypeIds) {
 			$this->loadMimetypes();
@@ -76,6 +79,7 @@ class Loader implements IMimeTypeLoader {
 	/**
 	 * Clear all loaded mimetypes, allow for re-loading
 	 */
+	#[\Override]
 	public function reset(): void {
 		$this->mimetypes = [];
 		$this->mimetypeIds = [];
@@ -145,6 +149,7 @@ class Loader implements IMimeTypeLoader {
 	 *
 	 * @return int number of changed rows
 	 */
+	#[\Override]
 	public function updateFilecache(string $ext, int $mimeTypeId): int {
 		$folderMimeTypeId = $this->getId('httpd/unix-directory');
 		$update = $this->dbConnection->getQueryBuilder();
diff --git a/lib/private/FilesMetadata/FilesMetadataManager.php b/lib/private/FilesMetadata/FilesMetadataManager.php
index 9282513109b..b6077f1f271 100644
--- a/lib/private/FilesMetadata/FilesMetadataManager.php
+++ b/lib/private/FilesMetadata/FilesMetadataManager.php
@@ -72,6 +72,7 @@ class FilesMetadataManager implements IFilesMetadataManager {
 	 * @see self::PROCESS_LIVE
 	 * @since 28.0.0
 	 */
+	#[\Override]
 	public function refreshMetadata(
 		Node $node,
 		int $process = self::PROCESS_LIVE,
@@ -122,6 +123,7 @@ class FilesMetadataManager implements IFilesMetadataManager {
 	 * @throws FilesMetadataNotFoundException if not found
 	 * @since 28.0.0
 	 */
+	#[\Override]
 	public function getMetadata(int $fileId, bool $generate = false): IFilesMetadata {
 		try {
 			return $this->metadataRequestService->getMetadataFromFileId($fileId);
@@ -143,6 +145,7 @@ class FilesMetadataManager implements IFilesMetadataManager {
 	 * @psalm-return array<int, IFilesMetadata>
 	 * @since 28.0.0
 	 */
+	#[\Override]
 	public function getMetadataForFiles(array $fileIds): array {
 		return $this->metadataRequestService->getMetadataFromFileIds($fileIds);
 	}
@@ -154,6 +157,7 @@ class FilesMetadataManager implements IFilesMetadataManager {
 	 * @throws FilesMetadataException if metadata seems malformed
 	 * @since 28.0.0
 	 */
+	#[\Override]
 	public function saveMetadata(IFilesMetadata $filesMetadata): void {
 		if ($filesMetadata->getFileId() === 0 || !$filesMetadata->updated()) {
 			return;
@@ -200,6 +204,7 @@ class FilesMetadataManager implements IFilesMetadataManager {
 	 * @inheritDoc
 	 * @since 28.0.0
 	 */
+	#[\Override]
 	public function deleteMetadata(int $fileId): void {
 		try {
 			$this->metadataRequestService->dropMetadata($fileId);
@@ -214,6 +219,7 @@ class FilesMetadataManager implements IFilesMetadataManager {
 		}
 	}
 
+	#[\Override]
 	public function deleteMetadataForFiles(int $storage, array $fileIds): void {
 		try {
 			$this->metadataRequestService->dropMetadataForFiles($storage, $fileIds);
@@ -238,6 +244,7 @@ class FilesMetadataManager implements IFilesMetadataManager {
 	 * @see IMetadataQuery
 	 * @since 28.0.0
 	 */
+	#[\Override]
 	public function getMetadataQuery(
 		IQueryBuilder $qb,
 		string $fileTableAlias,
@@ -251,6 +258,7 @@ class FilesMetadataManager implements IFilesMetadataManager {
 	 * @return IFilesMetadata
 	 * @since 28.0.0
 	 */
+	#[\Override]
 	public function getKnownMetadata(): IFilesMetadata {
 		if ($this->all !== null) {
 			return $this->all;
@@ -286,6 +294,7 @@ class FilesMetadataManager implements IFilesMetadataManager {
 	 * @see IMetadataValueWrapper::EDIT_REQ_WRITE_PERMISSION
 	 * @see IMetadataValueWrapper::EDIT_REQ_READ_PERMISSION
 	 */
+	#[\Override]
 	public function initMetadata(
 		string $key,
 		string $type,
diff --git a/lib/private/FilesMetadata/Job/UpdateSingleMetadata.php b/lib/private/FilesMetadata/Job/UpdateSingleMetadata.php
index 5746493ddef..2a01fd665cd 100644
--- a/lib/private/FilesMetadata/Job/UpdateSingleMetadata.php
+++ b/lib/private/FilesMetadata/Job/UpdateSingleMetadata.php
@@ -34,6 +34,7 @@ class UpdateSingleMetadata extends QueuedJob {
 		parent::__construct($time);
 	}
 
+	#[\Override]
 	protected function run($argument) {
 		[$userId, $fileId] = $argument;
 
diff --git a/lib/private/FilesMetadata/Listener/MetadataDelete.php b/lib/private/FilesMetadata/Listener/MetadataDelete.php
index 5a404614df0..018706cdcd0 100644
--- a/lib/private/FilesMetadata/Listener/MetadataDelete.php
+++ b/lib/private/FilesMetadata/Listener/MetadataDelete.php
@@ -27,6 +27,7 @@ class MetadataDelete implements IEventListener {
 	) {
 	}
 
+	#[\Override]
 	public function handle(Event $event): void {
 		if (!($event instanceof CacheEntriesRemovedEvent)) {
 			return;
diff --git a/lib/private/FilesMetadata/Listener/MetadataUpdate.php b/lib/private/FilesMetadata/Listener/MetadataUpdate.php
index 4c5c913c740..057021535d7 100644
--- a/lib/private/FilesMetadata/Listener/MetadataUpdate.php
+++ b/lib/private/FilesMetadata/Listener/MetadataUpdate.php
@@ -33,6 +33,7 @@ class MetadataUpdate implements IEventListener {
 	/**
 	 * @param Event $event
 	 */
+	#[\Override]
 	public function handle(Event $event): void {
 		if (!($event instanceof NodeWrittenEvent)) {
 			return;
diff --git a/lib/private/FilesMetadata/MetadataQuery.php b/lib/private/FilesMetadata/MetadataQuery.php
index 19495c38e5e..34d06779610 100644
--- a/lib/private/FilesMetadata/MetadataQuery.php
+++ b/lib/private/FilesMetadata/MetadataQuery.php
@@ -53,6 +53,7 @@ class MetadataQuery implements IMetadataQuery {
 	 * @see self::extractMetadata()
 	 * @since 28.0.0
 	 */
+	#[\Override]
 	public function retrieveMetadata(): void {
 		$this->queryBuilder->selectAlias($this->alias . '.json', 'meta_json');
 		$this->queryBuilder->selectAlias($this->alias . '.sync_token', 'meta_sync_token');
@@ -70,6 +71,7 @@ class MetadataQuery implements IMetadataQuery {
 	 * @see self::retrieveMetadata()
 	 * @since 28.0.0
 	 */
+	#[\Override]
 	public function extractMetadata(array $row): IFilesMetadata {
 		$fileId = (array_key_exists($this->fileIdField, $row)) ? $row[$this->fileIdField] : 0;
 		$metadata = new FilesMetadata((int)$fileId);
@@ -89,6 +91,7 @@ class MetadataQuery implements IMetadataQuery {
 	 * @inheritDoc
 	 * @since 28.0.0
 	 */
+	#[\Override]
 	public function joinIndex(string $metadataKey, bool $enforce = false): string {
 		if (array_key_exists($metadataKey, $this->knownJoinedIndex)) {
 			return $this->knownJoinedIndex[$metadataKey];
@@ -140,6 +143,7 @@ class MetadataQuery implements IMetadataQuery {
 	 * @throws FilesMetadataNotFoundException
 	 * @since 28.0.0
 	 */
+	#[\Override]
 	public function getMetadataKeyField(string $metadataKey): string {
 		return $this->joinedTableAlias($metadataKey) . '.meta_key';
 	}
@@ -154,6 +158,7 @@ class MetadataQuery implements IMetadataQuery {
 	 * @throws FilesMetadataTypeException is metadataKey is not set as indexed
 	 * @since 28.0.0
 	 */
+	#[\Override]
 	public function getMetadataValueField(string $metadataKey): string {
 		if ($this->manager instanceof IFilesMetadataManager) {
 			/**
diff --git a/lib/private/FilesMetadata/Model/FilesMetadata.php b/lib/private/FilesMetadata/Model/FilesMetadata.php
index b66e1fe3711..85774b82027 100644
--- a/lib/private/FilesMetadata/Model/FilesMetadata.php
+++ b/lib/private/FilesMetadata/Model/FilesMetadata.php
@@ -39,6 +39,7 @@ class FilesMetadata implements IFilesMetadata {
 	 * @return int related file id
 	 * @since 28.0.0
 	 */
+	#[\Override]
 	public function getFileId(): int {
 		return $this->fileId;
 	}
@@ -64,6 +65,7 @@ class FilesMetadata implements IFilesMetadata {
 	 * @return int timestamp
 	 * @since 28.0.0
 	 */
+	#[\Override]
 	public function lastUpdateTimestamp(): int {
 		return $this->lastUpdate;
 	}
@@ -73,6 +75,7 @@ class FilesMetadata implements IFilesMetadata {
 	 * @return string token
 	 * @since 28.0.0
 	 */
+	#[\Override]
 	public function getSyncToken(): string {
 		return $this->syncToken;
 	}
@@ -82,6 +85,7 @@ class FilesMetadata implements IFilesMetadata {
 	 * @return string[] list of keys
 	 * @since 28.0.0
 	 */
+	#[\Override]
 	public function getKeys(): array {
 		return array_keys($this->metadata);
 	}
@@ -93,6 +97,7 @@ class FilesMetadata implements IFilesMetadata {
 	 * @return bool TRUE if key exist
 	 * @since 28.0.0
 	 */
+	#[\Override]
 	public function hasKey(string $needle): bool {
 		return (in_array($needle, $this->getKeys()));
 	}
@@ -102,6 +107,7 @@ class FilesMetadata implements IFilesMetadata {
 	 * @return string[] list of indexes
 	 * @since 28.0.0
 	 */
+	#[\Override]
 	public function getIndexes(): array {
 		$indexes = [];
 		foreach ($this->getKeys() as $key) {
@@ -120,6 +126,7 @@ class FilesMetadata implements IFilesMetadata {
 	 * @return bool TRUE if key exists and is set as indexed
 	 * @since 28.0.0
 	 */
+	#[\Override]
 	public function isIndex(string $key): bool {
 		return $this->metadata[$key]?->isIndexed() ?? false;
 	}
@@ -132,6 +139,7 @@ class FilesMetadata implements IFilesMetadata {
 	 * @throws FilesMetadataNotFoundException
 	 * @since 28.0.0
 	 */
+	#[\Override]
 	public function getEditPermission(string $key): int {
 		if (!array_key_exists($key, $this->metadata)) {
 			throw new FilesMetadataNotFoundException();
@@ -148,6 +156,7 @@ class FilesMetadata implements IFilesMetadata {
 	 * @throws FilesMetadataNotFoundException
 	 * @since 28.0.0
 	 */
+	#[\Override]
 	public function setEditPermission(string $key, int $permission): void {
 		if (!array_key_exists($key, $this->metadata)) {
 			throw new FilesMetadataNotFoundException();
@@ -157,6 +166,7 @@ class FilesMetadata implements IFilesMetadata {
 	}
 
 
+	#[\Override]
 	public function getEtag(string $key): string {
 		if (!array_key_exists($key, $this->metadata)) {
 			return '';
@@ -165,6 +175,7 @@ class FilesMetadata implements IFilesMetadata {
 		return $this->metadata[$key]->getEtag();
 	}
 
+	#[\Override]
 	public function setEtag(string $key, string $etag): void {
 		if (!array_key_exists($key, $this->metadata)) {
 			throw new FilesMetadataNotFoundException();
@@ -182,6 +193,7 @@ class FilesMetadata implements IFilesMetadata {
 	 * @throws FilesMetadataTypeException
 	 * @since 28.0.0
 	 */
+	#[\Override]
 	public function getString(string $key): string {
 		if (!array_key_exists($key, $this->metadata)) {
 			throw new FilesMetadataNotFoundException();
@@ -199,6 +211,7 @@ class FilesMetadata implements IFilesMetadata {
 	 * @throws FilesMetadataTypeException
 	 * @since 28.0.0
 	 */
+	#[\Override]
 	public function getInt(string $key): int {
 		if (!array_key_exists($key, $this->metadata)) {
 			throw new FilesMetadataNotFoundException();
@@ -216,6 +229,7 @@ class FilesMetadata implements IFilesMetadata {
 	 * @throws FilesMetadataTypeException
 	 * @since 28.0.0
 	 */
+	#[\Override]
 	public function getFloat(string $key): float {
 		if (!array_key_exists($key, $this->metadata)) {
 			throw new FilesMetadataNotFoundException();
@@ -233,6 +247,7 @@ class FilesMetadata implements IFilesMetadata {
 	 * @throws FilesMetadataTypeException
 	 * @since 28.0.0
 	 */
+	#[\Override]
 	public function getBool(string $key): bool {
 		if (!array_key_exists($key, $this->metadata)) {
 			throw new FilesMetadataNotFoundException();
@@ -250,6 +265,7 @@ class FilesMetadata implements IFilesMetadata {
 	 * @throws FilesMetadataTypeException
 	 * @since 28.0.0
 	 */
+	#[\Override]
 	public function getArray(string $key): array {
 		if (!array_key_exists($key, $this->metadata)) {
 			throw new FilesMetadataNotFoundException();
@@ -267,6 +283,7 @@ class FilesMetadata implements IFilesMetadata {
 	 * @throws FilesMetadataTypeException
 	 * @since 28.0.0
 	 */
+	#[\Override]
 	public function getStringList(string $key): array {
 		if (!array_key_exists($key, $this->metadata)) {
 			throw new FilesMetadataNotFoundException();
@@ -284,6 +301,7 @@ class FilesMetadata implements IFilesMetadata {
 	 * @throws FilesMetadataTypeException
 	 * @since 28.0.0
 	 */
+	#[\Override]
 	public function getIntList(string $key): array {
 		if (!array_key_exists($key, $this->metadata)) {
 			throw new FilesMetadataNotFoundException();
@@ -307,6 +325,7 @@ class FilesMetadata implements IFilesMetadata {
 	 * @see IMetadataValueWrapper::TYPE_INT_LIST
 	 * @since 28.0.0
 	 */
+	#[\Override]
 	public function getType(string $key): string {
 		if (!array_key_exists($key, $this->metadata)) {
 			throw new FilesMetadataNotFoundException();
@@ -325,6 +344,7 @@ class FilesMetadata implements IFilesMetadata {
 	 * @throws FilesMetadataKeyFormatException
 	 * @since 28.0.0
 	 */
+	#[\Override]
 	public function setString(string $key, string $value, bool $index = false): IFilesMetadata {
 		$this->confirmKeyFormat($key);
 		try {
@@ -352,6 +372,7 @@ class FilesMetadata implements IFilesMetadata {
 	 * @throws FilesMetadataKeyFormatException
 	 * @since 28.0.0
 	 */
+	#[\Override]
 	public function setInt(string $key, int $value, bool $index = false): IFilesMetadata {
 		$this->confirmKeyFormat($key);
 		try {
@@ -378,6 +399,7 @@ class FilesMetadata implements IFilesMetadata {
 	 * @throws FilesMetadataKeyFormatException
 	 * @since 28.0.0
 	 */
+	#[\Override]
 	public function setFloat(string $key, float $value, bool $index = false): IFilesMetadata {
 		$this->confirmKeyFormat($key);
 		try {
@@ -406,6 +428,7 @@ class FilesMetadata implements IFilesMetadata {
 	 * @throws FilesMetadataKeyFormatException
 	 * @since 28.0.0
 	 */
+	#[\Override]
 	public function setBool(string $key, bool $value, bool $index = false): IFilesMetadata {
 		$this->confirmKeyFormat($key);
 		try {
@@ -433,6 +456,7 @@ class FilesMetadata implements IFilesMetadata {
 	 * @throws FilesMetadataKeyFormatException
 	 * @since 28.0.0
 	 */
+	#[\Override]
 	public function setArray(string $key, array $value): IFilesMetadata {
 		$this->confirmKeyFormat($key);
 		try {
@@ -460,6 +484,7 @@ class FilesMetadata implements IFilesMetadata {
 	 * @throws FilesMetadataKeyFormatException
 	 * @since 28.0.0
 	 */
+	#[\Override]
 	public function setStringList(string $key, array $value, bool $index = false): IFilesMetadata {
 		$this->confirmKeyFormat($key);
 		try {
@@ -487,6 +512,7 @@ class FilesMetadata implements IFilesMetadata {
 	 * @throws FilesMetadataKeyFormatException
 	 * @since 28.0.0
 	 */
+	#[\Override]
 	public function setIntList(string $key, array $value, bool $index = false): IFilesMetadata {
 		$this->confirmKeyFormat($key);
 		try {
@@ -511,6 +537,7 @@ class FilesMetadata implements IFilesMetadata {
 	 * @return self
 	 * @since 28.0.0
 	 */
+	#[\Override]
 	public function unset(string $key): IFilesMetadata {
 		if (!array_key_exists($key, $this->metadata)) {
 			return $this;
@@ -529,6 +556,7 @@ class FilesMetadata implements IFilesMetadata {
 	 * @return self
 	 * @since 28.0.0
 	 */
+	#[\Override]
 	public function removeStartsWith(string $keyPrefix): IFilesMetadata {
 		if ($keyPrefix === '') {
 			return $this;
@@ -563,10 +591,12 @@ class FilesMetadata implements IFilesMetadata {
 	 * @return bool TRUE if metadata have been modified
 	 * @since 28.0.0
 	 */
+	#[\Override]
 	public function updated(): bool {
 		return $this->updated;
 	}
 
+	#[\Override]
 	public function jsonSerialize(bool $emptyValues = false): array {
 		$data = [];
 		foreach ($this->metadata as $metaKey => $metaValueWrapper) {
@@ -579,6 +609,7 @@ class FilesMetadata implements IFilesMetadata {
 	/**
 	 * @return array<string, string|int|bool|float|string[]|int[]>
 	 */
+	#[\Override]
 	public function asArray(): array {
 		$data = [];
 		foreach ($this->metadata as $metaKey => $metaValueWrapper) {
@@ -599,6 +630,7 @@ class FilesMetadata implements IFilesMetadata {
 	 * @return IFilesMetadata
 	 * @since 28.0.0
 	 */
+	#[\Override]
 	public function import(array $data): IFilesMetadata {
 		foreach ($data as $k => $v) {
 			$valueWrapper = new MetadataValueWrapper();
diff --git a/lib/private/FilesMetadata/Model/MetadataValueWrapper.php b/lib/private/FilesMetadata/Model/MetadataValueWrapper.php
index 606f3b5acec..b6547c6ba2e 100644
--- a/lib/private/FilesMetadata/Model/MetadataValueWrapper.php
+++ b/lib/private/FilesMetadata/Model/MetadataValueWrapper.php
@@ -54,6 +54,7 @@ class MetadataValueWrapper implements IMetadataValueWrapper {
 	 * @see self::TYPE_STRING
 	 * @since 28.0.0
 	 */
+	#[\Override]
 	public function getType(): string {
 		return $this->type;
 	}
@@ -72,6 +73,7 @@ class MetadataValueWrapper implements IMetadataValueWrapper {
 	 * @see self::TYPE_STRING
 	 * @since 28.0.0
 	 */
+	#[\Override]
 	public function isType(string $type): bool {
 		return (strtolower($type) === strtolower($this->type));
 	}
@@ -91,6 +93,7 @@ class MetadataValueWrapper implements IMetadataValueWrapper {
 	 * @see self::TYPE_FLOAT
 	 * @since 28.0.0
 	 */
+	#[\Override]
 	public function assertType(string $type): self {
 		if (!$this->isType($type)) {
 			throw new FilesMetadataTypeException('type is \'' . $this->getType() . '\', expecting \'' . $type . '\'');
@@ -107,6 +110,7 @@ class MetadataValueWrapper implements IMetadataValueWrapper {
 	 * @throws FilesMetadataTypeException if wrapper was not set to store a string
 	 * @since 28.0.0
 	 */
+	#[\Override]
 	public function setValueString(string $value): self {
 		$this->assertType(self::TYPE_STRING);
 		$this->value = $value;
@@ -122,6 +126,7 @@ class MetadataValueWrapper implements IMetadataValueWrapper {
 	 * @throws FilesMetadataTypeException if wrapper was not set to store an int
 	 * @since 28.0.0
 	 */
+	#[\Override]
 	public function setValueInt(int $value): self {
 		$this->assertType(self::TYPE_INT);
 		$this->value = $value;
@@ -137,6 +142,7 @@ class MetadataValueWrapper implements IMetadataValueWrapper {
 	 * @throws FilesMetadataTypeException if wrapper was not set to store a float
 	 * @since 28.0.0
 	 */
+	#[\Override]
 	public function setValueFloat(float $value): self {
 		$this->assertType(self::TYPE_FLOAT);
 		$this->value = $value;
@@ -152,6 +158,7 @@ class MetadataValueWrapper implements IMetadataValueWrapper {
 	 * @throws FilesMetadataTypeException if wrapper was not set to store a bool
 	 * @since 28.0.0
 	 */
+	#[\Override]
 	public function setValueBool(bool $value): self {
 		$this->assertType(self::TYPE_BOOL);
 		$this->value = $value;
@@ -168,6 +175,7 @@ class MetadataValueWrapper implements IMetadataValueWrapper {
 	 * @throws FilesMetadataTypeException if wrapper was not set to store an array
 	 * @since 28.0.0
 	 */
+	#[\Override]
 	public function setValueArray(array $value): self {
 		$this->assertType(self::TYPE_ARRAY);
 		$this->value = $value;
@@ -183,6 +191,7 @@ class MetadataValueWrapper implements IMetadataValueWrapper {
 	 * @throws FilesMetadataTypeException if wrapper was not set to store a string list
 	 * @since 28.0.0
 	 */
+	#[\Override]
 	public function setValueStringList(array $value): self {
 		$this->assertType(self::TYPE_STRING_LIST);
 		// TODO confirm value is an array or string ?
@@ -199,6 +208,7 @@ class MetadataValueWrapper implements IMetadataValueWrapper {
 	 * @throws FilesMetadataTypeException if wrapper was not set to store an int list
 	 * @since 28.0.0
 	 */
+	#[\Override]
 	public function setValueIntList(array $value): self {
 		$this->assertType(self::TYPE_INT_LIST);
 		// TODO confirm value is an array of int ?
@@ -215,6 +225,7 @@ class MetadataValueWrapper implements IMetadataValueWrapper {
 	 * @throws FilesMetadataNotFoundException if value is not set
 	 * @since 28.0.0
 	 */
+	#[\Override]
 	public function getValueString(): string {
 		$this->assertType(self::TYPE_STRING);
 		if ($this->value === null) {
@@ -231,6 +242,7 @@ class MetadataValueWrapper implements IMetadataValueWrapper {
 	 * @throws FilesMetadataNotFoundException if value is not set
 	 * @since 28.0.0
 	 */
+	#[\Override]
 	public function getValueInt(): int {
 		$this->assertType(self::TYPE_INT);
 		if ($this->value === null) {
@@ -247,6 +259,7 @@ class MetadataValueWrapper implements IMetadataValueWrapper {
 	 * @throws FilesMetadataNotFoundException if value is not set
 	 * @since 28.0.0
 	 */
+	#[\Override]
 	public function getValueFloat(): float {
 		$this->assertType(self::TYPE_FLOAT);
 		if ($this->value === null) {
@@ -263,6 +276,7 @@ class MetadataValueWrapper implements IMetadataValueWrapper {
 	 * @throws FilesMetadataNotFoundException if value is not set
 	 * @since 28.0.0
 	 */
+	#[\Override]
 	public function getValueBool(): bool {
 		$this->assertType(self::TYPE_BOOL);
 		if ($this->value === null) {
@@ -279,6 +293,7 @@ class MetadataValueWrapper implements IMetadataValueWrapper {
 	 * @throws FilesMetadataNotFoundException if value is not set
 	 * @since 28.0.0
 	 */
+	#[\Override]
 	public function getValueArray(): array {
 		$this->assertType(self::TYPE_ARRAY);
 		if ($this->value === null) {
@@ -295,6 +310,7 @@ class MetadataValueWrapper implements IMetadataValueWrapper {
 	 * @throws FilesMetadataNotFoundException if value is not set
 	 * @since 28.0.0
 	 */
+	#[\Override]
 	public function getValueStringList(): array {
 		$this->assertType(self::TYPE_STRING_LIST);
 		if ($this->value === null) {
@@ -311,6 +327,7 @@ class MetadataValueWrapper implements IMetadataValueWrapper {
 	 * @throws FilesMetadataNotFoundException if value is not set
 	 * @since 28.0.0
 	 */
+	#[\Override]
 	public function getValueIntList(): array {
 		$this->assertType(self::TYPE_INT_LIST);
 		if ($this->value === null) {
@@ -326,6 +343,7 @@ class MetadataValueWrapper implements IMetadataValueWrapper {
 	 * @throws FilesMetadataNotFoundException if value is not set
 	 * @since 28.0.0
 	 */
+	#[\Override]
 	public function getValueAny(): mixed {
 		if ($this->value === null) {
 			throw new FilesMetadataNotFoundException('value is not set');
@@ -339,6 +357,7 @@ class MetadataValueWrapper implements IMetadataValueWrapper {
 	 * @return string stored etag
 	 * @since 29.0.0
 	 */
+	#[\Override]
 	public function getEtag(): string {
 		return $this->etag;
 	}
@@ -350,6 +369,7 @@ class MetadataValueWrapper implements IMetadataValueWrapper {
 	 * @return self
 	 * @since 29.0.0
 	 */
+	#[\Override]
 	public function setEtag(string $etag): self {
 		$this->etag = $etag;
 		return $this;
@@ -362,6 +382,7 @@ class MetadataValueWrapper implements IMetadataValueWrapper {
 	 * @return self
 	 * @since 28.0.0
 	 */
+	#[\Override]
 	public function setIndexed(bool $indexed): self {
 		$this->indexed = $indexed;
 
@@ -373,6 +394,7 @@ class MetadataValueWrapper implements IMetadataValueWrapper {
 	 * @return bool TRUE if value is an indexed value
 	 * @since 28.0.0
 	 */
+	#[\Override]
 	public function isIndexed(): bool {
 		return $this->indexed;
 	}
@@ -384,6 +406,7 @@ class MetadataValueWrapper implements IMetadataValueWrapper {
 	 * @return self
 	 * @since 28.0.0
 	 */
+	#[\Override]
 	public function setEditPermission(int $permission): self {
 		$this->editPermission = $permission;
 
@@ -395,6 +418,7 @@ class MetadataValueWrapper implements IMetadataValueWrapper {
 	 * @return int edit permission
 	 * @since 28.0.0
 	 */
+	#[\Override]
 	public function getEditPermission(): int {
 		return $this->editPermission;
 	}
@@ -407,6 +431,7 @@ class MetadataValueWrapper implements IMetadataValueWrapper {
 	 * @see jsonSerialize
 	 * @since 28.0.0
 	 */
+	#[\Override]
 	public function import(array $data): self {
 		$this->value = $data['value'] ?? null;
 		$this->type = $data['type'] ?? '';
@@ -416,6 +441,7 @@ class MetadataValueWrapper implements IMetadataValueWrapper {
 		return $this;
 	}
 
+	#[\Override]
 	public function jsonSerialize(bool $emptyValues = false): array {
 		return [
 			'value' => ($emptyValues) ? null : $this->value,
diff --git a/lib/private/FullTextSearch/FullTextSearchManager.php b/lib/private/FullTextSearch/FullTextSearchManager.php
index 989da8d6bae..67f9b88b7e8 100644
--- a/lib/private/FullTextSearch/FullTextSearchManager.php
+++ b/lib/private/FullTextSearch/FullTextSearchManager.php
@@ -31,6 +31,7 @@ class FullTextSearchManager implements IFullTextSearchManager {
 	/**
 	 * @since 15.0.0
 	 */
+	#[\Override]
 	public function registerProviderService(IProviderService $providerService): void {
 		$this->providerService = $providerService;
 	}
@@ -38,6 +39,7 @@ class FullTextSearchManager implements IFullTextSearchManager {
 	/**
 	 * @since 15.0.0
 	 */
+	#[\Override]
 	public function registerIndexService(IIndexService $indexService): void {
 		$this->indexService = $indexService;
 	}
@@ -45,6 +47,7 @@ class FullTextSearchManager implements IFullTextSearchManager {
 	/**
 	 * @since 15.0.0
 	 */
+	#[\Override]
 	public function registerSearchService(ISearchService $searchService): void {
 		$this->searchService = $searchService;
 	}
@@ -52,6 +55,7 @@ class FullTextSearchManager implements IFullTextSearchManager {
 	/**
 	 * @since 16.0.0
 	 */
+	#[\Override]
 	public function isAvailable(): bool {
 		if ($this->indexService === null
 			|| $this->providerService === null
@@ -102,6 +106,7 @@ class FullTextSearchManager implements IFullTextSearchManager {
 	/**
 	 * @throws FullTextSearchAppNotAvailableException
 	 */
+	#[\Override]
 	public function addJavascriptAPI(): void {
 		$this->getProviderService()->addJavascriptAPI();
 	}
@@ -110,6 +115,7 @@ class FullTextSearchManager implements IFullTextSearchManager {
 	/**
 	 * @throws FullTextSearchAppNotAvailableException
 	 */
+	#[\Override]
 	public function isProviderIndexed(string $providerId): bool {
 		return $this->getProviderService()->isProviderIndexed($providerId);
 	}
@@ -118,6 +124,7 @@ class FullTextSearchManager implements IFullTextSearchManager {
 	/**
 	 * @throws FullTextSearchAppNotAvailableException
 	 */
+	#[\Override]
 	public function getIndex(string $providerId, string $documentId): IIndex {
 		return $this->getIndexService()->getIndex($providerId, $documentId);
 	}
@@ -127,6 +134,7 @@ class FullTextSearchManager implements IFullTextSearchManager {
 	 *
 	 * @throws FullTextSearchAppNotAvailableException
 	 */
+	#[\Override]
 	public function createIndex(
 		string $providerId,
 		string $documentId,
@@ -142,6 +150,7 @@ class FullTextSearchManager implements IFullTextSearchManager {
 	 *
 	 * @throws FullTextSearchAppNotAvailableException
 	 */
+	#[\Override]
 	public function updateIndexStatus(
 		string $providerId,
 		string $documentId,
@@ -156,6 +165,7 @@ class FullTextSearchManager implements IFullTextSearchManager {
 	 *
 	 * @throws FullTextSearchAppNotAvailableException
 	 */
+	#[\Override]
 	public function updateIndexesStatus(
 		string $providerId,
 		array $documentIds,
@@ -171,6 +181,7 @@ class FullTextSearchManager implements IFullTextSearchManager {
 	 *
 	 * @throws FullTextSearchAppNotAvailableException
 	 */
+	#[\Override]
 	public function updateIndexes(array $indexes): void {
 		$this->getIndexService()->updateIndexes($indexes);
 	}
@@ -180,6 +191,7 @@ class FullTextSearchManager implements IFullTextSearchManager {
 	 * @return ISearchResult[]
 	 * @throws FullTextSearchAppNotAvailableException
 	 */
+	#[\Override]
 	public function search(array $request, string $userId = ''): array {
 		$searchRequest = $this->getSearchService()->generateSearchRequest($request);
 
diff --git a/lib/private/FullTextSearch/Model/DocumentAccess.php b/lib/private/FullTextSearch/Model/DocumentAccess.php
index 9efffeaee88..10adb4bb5a0 100644
--- a/lib/private/FullTextSearch/Model/DocumentAccess.php
+++ b/lib/private/FullTextSearch/Model/DocumentAccess.php
@@ -61,6 +61,7 @@ final class DocumentAccess implements IDocumentAccess, JsonSerializable {
 	 *
 	 * @since 16.0.0
 	 */
+	#[\Override]
 	public function setOwnerId(string $ownerId): IDocumentAccess {
 		$this->ownerId = $ownerId;
 
@@ -72,6 +73,7 @@ final class DocumentAccess implements IDocumentAccess, JsonSerializable {
 	 *
 	 * @since 16.0.0
 	 */
+	#[\Override]
 	public function getOwnerId(): string {
 		return $this->ownerId;
 	}
@@ -82,6 +84,7 @@ final class DocumentAccess implements IDocumentAccess, JsonSerializable {
 	 *
 	 * @since 16.0.0
 	 */
+	#[\Override]
 	public function setViewerId(string $viewerId): IDocumentAccess {
 		$this->viewerId = $viewerId;
 
@@ -93,6 +96,7 @@ final class DocumentAccess implements IDocumentAccess, JsonSerializable {
 	 *
 	 * @since 16.0.0
 	 */
+	#[\Override]
 	public function getViewerId(): string {
 		return $this->viewerId;
 	}
@@ -103,6 +107,7 @@ final class DocumentAccess implements IDocumentAccess, JsonSerializable {
 	 *
 	 * @since 16.0.0
 	 */
+	#[\Override]
 	public function setUsers(array $users): IDocumentAccess {
 		$this->users = $users;
 
@@ -114,6 +119,7 @@ final class DocumentAccess implements IDocumentAccess, JsonSerializable {
 	 *
 	 * @since 16.0.0
 	 */
+	#[\Override]
 	public function addUser(string $user): IDocumentAccess {
 		$this->users[] = $user;
 
@@ -126,6 +132,7 @@ final class DocumentAccess implements IDocumentAccess, JsonSerializable {
 	 *
 	 * @since 16.0.0
 	 */
+	#[\Override]
 	public function addUsers($users): IDocumentAccess {
 		$this->users = array_merge($this->users, $users);
 
@@ -137,6 +144,7 @@ final class DocumentAccess implements IDocumentAccess, JsonSerializable {
 	 *
 	 * @since 16.0.0
 	 */
+	#[\Override]
 	public function getUsers(): array {
 		return $this->users;
 	}
@@ -147,6 +155,7 @@ final class DocumentAccess implements IDocumentAccess, JsonSerializable {
 	 *
 	 * @since 16.0.0
 	 */
+	#[\Override]
 	public function setGroups(array $groups): IDocumentAccess {
 		$this->groups = $groups;
 
@@ -158,6 +167,7 @@ final class DocumentAccess implements IDocumentAccess, JsonSerializable {
 	 *
 	 * @since 16.0.0
 	 */
+	#[\Override]
 	public function addGroup(string $group): IDocumentAccess {
 		$this->groups[] = $group;
 
@@ -170,6 +180,7 @@ final class DocumentAccess implements IDocumentAccess, JsonSerializable {
 	 *
 	 * @since 16.0.0
 	 */
+	#[\Override]
 	public function addGroups(array $groups): IDocumentAccess {
 		$this->groups = array_merge($this->groups, $groups);
 
@@ -181,6 +192,7 @@ final class DocumentAccess implements IDocumentAccess, JsonSerializable {
 	 *
 	 * @since 16.0.0
 	 */
+	#[\Override]
 	public function getGroups(): array {
 		return $this->groups;
 	}
@@ -191,6 +203,7 @@ final class DocumentAccess implements IDocumentAccess, JsonSerializable {
 	 *
 	 * @since 16.0.0
 	 */
+	#[\Override]
 	public function setCircles(array $circles): IDocumentAccess {
 		$this->circles = $circles;
 
@@ -202,6 +215,7 @@ final class DocumentAccess implements IDocumentAccess, JsonSerializable {
 	 *
 	 * @since 16.0.0
 	 */
+	#[\Override]
 	public function addCircle(string $circle): IDocumentAccess {
 		$this->circles[] = $circle;
 
@@ -214,6 +228,7 @@ final class DocumentAccess implements IDocumentAccess, JsonSerializable {
 	 *
 	 * @since 16.0.0
 	 */
+	#[\Override]
 	public function addCircles(array $circles): IDocumentAccess {
 		$this->circles = array_merge($this->circles, $circles);
 
@@ -225,6 +240,7 @@ final class DocumentAccess implements IDocumentAccess, JsonSerializable {
 	 *
 	 * @since 16.0.0
 	 */
+	#[\Override]
 	public function getCircles(): array {
 		return $this->circles;
 	}
@@ -235,6 +251,7 @@ final class DocumentAccess implements IDocumentAccess, JsonSerializable {
 	 *
 	 * @since 16.0.0
 	 */
+	#[\Override]
 	public function setLinks(array $links): IDocumentAccess {
 		$this->links = $links;
 
@@ -246,6 +263,7 @@ final class DocumentAccess implements IDocumentAccess, JsonSerializable {
 	 *
 	 * @since 16.0.0
 	 */
+	#[\Override]
 	public function getLinks(): array {
 		return $this->links;
 	}
@@ -254,6 +272,7 @@ final class DocumentAccess implements IDocumentAccess, JsonSerializable {
 	/**
 	 * @since 16.0.0
 	 */
+	#[\Override]
 	public function jsonSerialize(): array {
 		return [
 			'ownerId' => $this->getOwnerId(),
diff --git a/lib/private/FullTextSearch/Model/IndexDocument.php b/lib/private/FullTextSearch/Model/IndexDocument.php
index 2a46c7bee57..ec6f2f0ee1e 100644
--- a/lib/private/FullTextSearch/Model/IndexDocument.php
+++ b/lib/private/FullTextSearch/Model/IndexDocument.php
@@ -85,6 +85,7 @@ class IndexDocument implements IIndexDocument, JsonSerializable {
 	 *
 	 * @since 15.0.0
 	 */
+	#[\Override]
 	final public function getId(): string {
 		return $this->id;
 	}
@@ -95,6 +96,7 @@ class IndexDocument implements IIndexDocument, JsonSerializable {
 	 *
 	 * @since 15.0.0
 	 */
+	#[\Override]
 	final public function getProviderId(): string {
 		return $this->providerId;
 	}
@@ -107,6 +109,7 @@ class IndexDocument implements IIndexDocument, JsonSerializable {
 	 *
 	 * @since 15.0.0
 	 */
+	#[\Override]
 	final public function setIndex(IIndex $index): IIndexDocument {
 		$this->index = $index;
 
@@ -119,6 +122,7 @@ class IndexDocument implements IIndexDocument, JsonSerializable {
 	 * @throws FullTextSearchIndexNotAvailableException
 	 * @since 15.0.0
 	 */
+	#[\Override]
 	final public function getIndex(): IIndex {
 		if ($this->index === null) {
 			throw new FullTextSearchIndexNotAvailableException('No IIndex generated');
@@ -132,6 +136,7 @@ class IndexDocument implements IIndexDocument, JsonSerializable {
 	 *
 	 * @since 16.0.0
 	 */
+	#[\Override]
 	final public function hasIndex(): bool {
 		return $this->index !== null;
 	}
@@ -141,6 +146,7 @@ class IndexDocument implements IIndexDocument, JsonSerializable {
 	 *
 	 * @since 15.0.0
 	 */
+	#[\Override]
 	final public function setModifiedTime(int $modifiedTime): IIndexDocument {
 		$this->modifiedTime = $modifiedTime;
 
@@ -152,6 +158,7 @@ class IndexDocument implements IIndexDocument, JsonSerializable {
 	 *
 	 * @since 15.0.0
 	 */
+	#[\Override]
 	final public function getModifiedTime(): int {
 		return $this->modifiedTime;
 	}
@@ -161,6 +168,7 @@ class IndexDocument implements IIndexDocument, JsonSerializable {
 	 *
 	 * @since 15.0.0
 	 */
+	#[\Override]
 	final public function isOlderThan(int $time): bool {
 		return ($this->modifiedTime < $time);
 	}
@@ -173,6 +181,7 @@ class IndexDocument implements IIndexDocument, JsonSerializable {
 	 *
 	 * @since 15.0.0
 	 */
+	#[\Override]
 	final public function setAccess(IDocumentAccess $access): IIndexDocument {
 		$this->access = $access;
 
@@ -184,6 +193,7 @@ class IndexDocument implements IIndexDocument, JsonSerializable {
 	 *
 	 * @since 15.0.0
 	 */
+	#[\Override]
 	final public function getAccess(): IDocumentAccess {
 		return $this->access;
 	}
@@ -194,6 +204,7 @@ class IndexDocument implements IIndexDocument, JsonSerializable {
 	 *
 	 * @since 15.0.0
 	 */
+	#[\Override]
 	final public function addTag(string $tag): IIndexDocument {
 		$this->tags[] = $tag;
 
@@ -205,6 +216,7 @@ class IndexDocument implements IIndexDocument, JsonSerializable {
 	 *
 	 * @since 15.0.0
 	 */
+	#[\Override]
 	final public function setTags(array $tags): IIndexDocument {
 		$this->tags = $tags;
 
@@ -216,6 +228,7 @@ class IndexDocument implements IIndexDocument, JsonSerializable {
 	 *
 	 * @since 15.0.0
 	 */
+	#[\Override]
 	final public function getTags(): array {
 		return $this->tags;
 	}
@@ -226,6 +239,7 @@ class IndexDocument implements IIndexDocument, JsonSerializable {
 	 *
 	 * @since 15.0.0
 	 */
+	#[\Override]
 	final public function addMetaTag(string $tag): IIndexDocument {
 		$this->metaTags[] = $tag;
 
@@ -237,6 +251,7 @@ class IndexDocument implements IIndexDocument, JsonSerializable {
 	 *
 	 * @since 15.0.0
 	 */
+	#[\Override]
 	final public function setMetaTags(array $tags): IIndexDocument {
 		$this->metaTags = $tags;
 
@@ -248,6 +263,7 @@ class IndexDocument implements IIndexDocument, JsonSerializable {
 	 *
 	 * @since 15.0.0
 	 */
+	#[\Override]
 	final public function getMetaTags(): array {
 		return $this->metaTags;
 	}
@@ -258,6 +274,7 @@ class IndexDocument implements IIndexDocument, JsonSerializable {
 	 *
 	 * @since 15.0.0
 	 */
+	#[\Override]
 	final public function addSubTag(string $sub, string $tag): IIndexDocument {
 		if (!array_key_exists($sub, $this->subTags)) {
 			$this->subTags[$sub] = [];
@@ -274,6 +291,7 @@ class IndexDocument implements IIndexDocument, JsonSerializable {
 	 *
 	 * @since 15.0.0
 	 */
+	#[\Override]
 	final public function setSubTags(array $tags): IIndexDocument {
 		$this->subTags = $tags;
 
@@ -287,6 +305,7 @@ class IndexDocument implements IIndexDocument, JsonSerializable {
 	 *
 	 * @since 15.0.0
 	 */
+	#[\Override]
 	final public function getSubTags(bool $formatted = false): array {
 		if ($formatted === false) {
 			return $this->subTags;
@@ -310,6 +329,7 @@ class IndexDocument implements IIndexDocument, JsonSerializable {
 	 *
 	 * @since 15.0.0
 	 */
+	#[\Override]
 	final public function setSource(string $source): IIndexDocument {
 		$this->source = $source;
 
@@ -321,6 +341,7 @@ class IndexDocument implements IIndexDocument, JsonSerializable {
 	 *
 	 * @since 15.0.0
 	 */
+	#[\Override]
 	final public function getSource(): string {
 		return $this->source;
 	}
@@ -331,6 +352,7 @@ class IndexDocument implements IIndexDocument, JsonSerializable {
 	 *
 	 * @since 15.0.0
 	 */
+	#[\Override]
 	final public function setTitle(string $title): IIndexDocument {
 		$this->title = $title;
 
@@ -342,6 +364,7 @@ class IndexDocument implements IIndexDocument, JsonSerializable {
 	 *
 	 * @since 15.0.0
 	 */
+	#[\Override]
 	final public function getTitle(): string {
 		return $this->title;
 	}
@@ -354,6 +377,7 @@ class IndexDocument implements IIndexDocument, JsonSerializable {
 	 *
 	 * @since 15.0.0
 	 */
+	#[\Override]
 	final public function setContent(string $content, int $encoded = 0): IIndexDocument {
 		$this->content = $content;
 		$this->contentEncoded = $encoded;
@@ -366,6 +390,7 @@ class IndexDocument implements IIndexDocument, JsonSerializable {
 	 *
 	 * @since 15.0.0
 	 */
+	#[\Override]
 	final public function getContent(): string {
 		return $this->content;
 	}
@@ -375,6 +400,7 @@ class IndexDocument implements IIndexDocument, JsonSerializable {
 	 *
 	 * @since 15.0.0
 	 */
+	#[\Override]
 	final public function isContentEncoded(): int {
 		return $this->contentEncoded;
 	}
@@ -384,6 +410,7 @@ class IndexDocument implements IIndexDocument, JsonSerializable {
 	 *
 	 * @since 15.0.0
 	 */
+	#[\Override]
 	final public function getContentSize(): int {
 		return strlen($this->getContent());
 	}
@@ -394,6 +421,7 @@ class IndexDocument implements IIndexDocument, JsonSerializable {
 	 *
 	 * @since 15.0.0
 	 */
+	#[\Override]
 	final public function initHash(): IIndexDocument {
 		if ($this->getContent() === '' || is_null($this->getContent())) {
 			return $this;
@@ -409,6 +437,7 @@ class IndexDocument implements IIndexDocument, JsonSerializable {
 	 *
 	 * @since 15.0.0
 	 */
+	#[\Override]
 	final public function setHash(string $hash): IIndexDocument {
 		$this->hash = $hash;
 
@@ -420,6 +449,7 @@ class IndexDocument implements IIndexDocument, JsonSerializable {
 	 *
 	 * @since 15.0.0
 	 */
+	#[\Override]
 	final public function getHash(): string {
 		return $this->hash;
 	}
@@ -433,6 +463,7 @@ class IndexDocument implements IIndexDocument, JsonSerializable {
 	 *
 	 * @since 15.0.0
 	 */
+	#[\Override]
 	final public function addPart(string $part, string $content): IIndexDocument {
 		$this->parts[$part] = $content;
 
@@ -444,6 +475,7 @@ class IndexDocument implements IIndexDocument, JsonSerializable {
 	 *
 	 * @since 15.0.0
 	 */
+	#[\Override]
 	final public function setParts(array $parts): IIndexDocument {
 		$this->parts = $parts;
 
@@ -455,6 +487,7 @@ class IndexDocument implements IIndexDocument, JsonSerializable {
 	 *
 	 * @since 15.0.0
 	 */
+	#[\Override]
 	final public function getParts(): array {
 		return $this->parts;
 	}
@@ -465,6 +498,7 @@ class IndexDocument implements IIndexDocument, JsonSerializable {
 	 *
 	 * @since 15.0.0
 	 */
+	#[\Override]
 	final public function setLink(string $link): IIndexDocument {
 		$this->link = $link;
 
@@ -476,6 +510,7 @@ class IndexDocument implements IIndexDocument, JsonSerializable {
 	 *
 	 * @since 15.0.0
 	 */
+	#[\Override]
 	final public function getLink(): string {
 		return $this->link;
 	}
@@ -486,6 +521,7 @@ class IndexDocument implements IIndexDocument, JsonSerializable {
 	 *
 	 * @since 15.0.0
 	 */
+	#[\Override]
 	final public function setMore(array $more): IIndexDocument {
 		$this->more = $more;
 
@@ -497,6 +533,7 @@ class IndexDocument implements IIndexDocument, JsonSerializable {
 	 *
 	 * @since 15.0.0
 	 */
+	#[\Override]
 	final public function getMore(): array {
 		return $this->more;
 	}
@@ -508,6 +545,7 @@ class IndexDocument implements IIndexDocument, JsonSerializable {
 	 *
 	 * @since 16.0.0
 	 */
+	#[\Override]
 	final public function addExcerpt(string $source, string $excerpt): IIndexDocument {
 		$this->excerpts[]
 			= [
@@ -524,6 +562,7 @@ class IndexDocument implements IIndexDocument, JsonSerializable {
 	 *
 	 * @since 16.0.0
 	 */
+	#[\Override]
 	final public function setExcerpts(array $excerpts): IIndexDocument {
 		$new = [];
 		foreach ($excerpts as $entry) {
@@ -543,6 +582,7 @@ class IndexDocument implements IIndexDocument, JsonSerializable {
 	 *
 	 * @since 15.0.0
 	 */
+	#[\Override]
 	final public function getExcerpts(): array {
 		return $this->excerpts;
 	}
@@ -570,6 +610,7 @@ class IndexDocument implements IIndexDocument, JsonSerializable {
 	 *
 	 * @since 15.0.0
 	 */
+	#[\Override]
 	final public function setScore(string $score): IIndexDocument {
 		$this->score = $score;
 
@@ -581,6 +622,7 @@ class IndexDocument implements IIndexDocument, JsonSerializable {
 	 *
 	 * @since 15.0.0
 	 */
+	#[\Override]
 	final public function getScore(): string {
 		return $this->score;
 	}
@@ -595,6 +637,7 @@ class IndexDocument implements IIndexDocument, JsonSerializable {
 	 *
 	 * @since 15.0.0
 	 */
+	#[\Override]
 	final public function setInfo(string $info, string $value): IIndexDocument {
 		$this->info[$info] = $value;
 
@@ -606,6 +649,7 @@ class IndexDocument implements IIndexDocument, JsonSerializable {
 	 *
 	 * @since 15.0.0
 	 */
+	#[\Override]
 	final public function getInfo(string $info, string $default = ''): string {
 		if (!key_exists($info, $this->info)) {
 			return $default;
@@ -623,6 +667,7 @@ class IndexDocument implements IIndexDocument, JsonSerializable {
 	 *
 	 * @since 15.0.0
 	 */
+	#[\Override]
 	final public function setInfoArray(string $info, array $value): IIndexDocument {
 		$this->info[$info] = $value;
 
@@ -634,6 +679,7 @@ class IndexDocument implements IIndexDocument, JsonSerializable {
 	 *
 	 * @since 15.0.0
 	 */
+	#[\Override]
 	final public function getInfoArray(string $info, array $default = []): array {
 		if (!key_exists($info, $this->info)) {
 			return $default;
@@ -651,6 +697,7 @@ class IndexDocument implements IIndexDocument, JsonSerializable {
 	 *
 	 * @since 15.0.0
 	 */
+	#[\Override]
 	final public function setInfoInt(string $info, int $value): IIndexDocument {
 		$this->info[$info] = $value;
 
@@ -662,6 +709,7 @@ class IndexDocument implements IIndexDocument, JsonSerializable {
 	 *
 	 * @since 15.0.0
 	 */
+	#[\Override]
 	final public function getInfoInt(string $info, int $default = 0): int {
 		if (!key_exists($info, $this->info)) {
 			return $default;
@@ -679,6 +727,7 @@ class IndexDocument implements IIndexDocument, JsonSerializable {
 	 *
 	 * @since 15.0.0
 	 */
+	#[\Override]
 	final public function setInfoBool(string $info, bool $value): IIndexDocument {
 		$this->info[$info] = $value;
 
@@ -690,6 +739,7 @@ class IndexDocument implements IIndexDocument, JsonSerializable {
 	 *
 	 * @since 15.0.0
 	 */
+	#[\Override]
 	final public function getInfoBool(string $info, bool $default = false): bool {
 		if (!key_exists($info, $this->info)) {
 			return $default;
@@ -703,6 +753,7 @@ class IndexDocument implements IIndexDocument, JsonSerializable {
 	 *
 	 * @since 15.0.0
 	 */
+	#[\Override]
 	final public function getInfoAll(): array {
 		$info = [];
 		foreach ($this->info as $k => $v) {
@@ -747,6 +798,7 @@ class IndexDocument implements IIndexDocument, JsonSerializable {
 	/**
 	 * @since 15.0.0
 	 */
+	#[\Override]
 	public function jsonSerialize(): array {
 		return [
 			'id' => $this->getId(),
diff --git a/lib/private/FullTextSearch/Model/SearchOption.php b/lib/private/FullTextSearch/Model/SearchOption.php
index c7769a62138..5329b78421f 100644
--- a/lib/private/FullTextSearch/Model/SearchOption.php
+++ b/lib/private/FullTextSearch/Model/SearchOption.php
@@ -93,6 +93,7 @@ final class SearchOption implements ISearchOption, JsonSerializable {
 	 *
 	 * @since 15.0.0
 	 */
+	#[\Override]
 	public function setName(string $name): ISearchOption {
 		$this->name = $name;
 
@@ -104,6 +105,7 @@ final class SearchOption implements ISearchOption, JsonSerializable {
 	 *
 	 * @since 15.0.0
 	 */
+	#[\Override]
 	public function getName(): string {
 		return $this->name;
 	}
@@ -114,6 +116,7 @@ final class SearchOption implements ISearchOption, JsonSerializable {
 	 *
 	 * @since 15.0.0
 	 */
+	#[\Override]
 	public function setTitle(string $title): ISearchOption {
 		$this->title = $title;
 
@@ -125,6 +128,7 @@ final class SearchOption implements ISearchOption, JsonSerializable {
 	 *
 	 * @since 15.0.0
 	 */
+	#[\Override]
 	public function getTitle(): string {
 		return $this->title;
 	}
@@ -136,6 +140,7 @@ final class SearchOption implements ISearchOption, JsonSerializable {
 	 *
 	 * @since 15.0.0
 	 */
+	#[\Override]
 	public function setType(string $type): ISearchOption {
 		$this->type = $type;
 
@@ -147,6 +152,7 @@ final class SearchOption implements ISearchOption, JsonSerializable {
 	 *
 	 * @since 15.0.0
 	 */
+	#[\Override]
 	public function getType(): string {
 		return $this->type;
 	}
@@ -158,6 +164,7 @@ final class SearchOption implements ISearchOption, JsonSerializable {
 	 *
 	 * @since 15.0.0
 	 */
+	#[\Override]
 	public function setSize(string $size): ISearchOption {
 		$this->size = $size;
 
@@ -169,6 +176,7 @@ final class SearchOption implements ISearchOption, JsonSerializable {
 	 *
 	 * @since 15.0.0
 	 */
+	#[\Override]
 	public function getSize(): string {
 		return $this->size;
 	}
@@ -179,6 +187,7 @@ final class SearchOption implements ISearchOption, JsonSerializable {
 	 *
 	 * @since 15.0.0
 	 */
+	#[\Override]
 	public function setPlaceholder(string $placeholder): ISearchOption {
 		$this->placeholder = $placeholder;
 
@@ -190,6 +199,7 @@ final class SearchOption implements ISearchOption, JsonSerializable {
 	 *
 	 * @since 15.0.0
 	 */
+	#[\Override]
 	public function getPlaceholder(): string {
 		return $this->placeholder;
 	}
@@ -197,6 +207,7 @@ final class SearchOption implements ISearchOption, JsonSerializable {
 	/**
 	 * @since 15.0.0
 	 */
+	#[\Override]
 	public function jsonSerialize(): array {
 		return [
 			'name' => $this->getName(),
diff --git a/lib/private/FullTextSearch/Model/SearchRequestSimpleQuery.php b/lib/private/FullTextSearch/Model/SearchRequestSimpleQuery.php
index 5b075daf7e6..2ab47c04eb2 100644
--- a/lib/private/FullTextSearch/Model/SearchRequestSimpleQuery.php
+++ b/lib/private/FullTextSearch/Model/SearchRequestSimpleQuery.php
@@ -38,6 +38,7 @@ final class SearchRequestSimpleQuery implements ISearchRequestSimpleQuery, JsonS
 	 *
 	 * @since 17.0.0
 	 */
+	#[\Override]
 	public function getType(): int {
 		return $this->type;
 	}
@@ -48,6 +49,7 @@ final class SearchRequestSimpleQuery implements ISearchRequestSimpleQuery, JsonS
 	 *
 	 * @since 17.0.0
 	 */
+	#[\Override]
 	public function getField(): string {
 		return $this->field;
 	}
@@ -57,6 +59,7 @@ final class SearchRequestSimpleQuery implements ISearchRequestSimpleQuery, JsonS
 	 *
 	 * @since 17.0.0
 	 */
+	#[\Override]
 	public function setField(string $field): ISearchRequestSimpleQuery {
 		$this->field = $field;
 
@@ -69,6 +72,7 @@ final class SearchRequestSimpleQuery implements ISearchRequestSimpleQuery, JsonS
 	 *
 	 * @since 17.0.0
 	 */
+	#[\Override]
 	public function getValues(): array {
 		return $this->values;
 	}
@@ -79,6 +83,7 @@ final class SearchRequestSimpleQuery implements ISearchRequestSimpleQuery, JsonS
 	 *
 	 * @since 17.0.0
 	 */
+	#[\Override]
 	public function addValue(string $value): ISearchRequestSimpleQuery {
 		$this->values[] = $value;
 
@@ -90,6 +95,7 @@ final class SearchRequestSimpleQuery implements ISearchRequestSimpleQuery, JsonS
 	 *
 	 * @since 17.0.0
 	 */
+	#[\Override]
 	public function addValueInt(int $value): ISearchRequestSimpleQuery {
 		$this->values[] = $value;
 
@@ -101,6 +107,7 @@ final class SearchRequestSimpleQuery implements ISearchRequestSimpleQuery, JsonS
 	 *
 	 * @since 17.0.0
 	 */
+	#[\Override]
 	public function addValueArray(array $value): ISearchRequestSimpleQuery {
 		$this->values[] = $value;
 
@@ -112,6 +119,7 @@ final class SearchRequestSimpleQuery implements ISearchRequestSimpleQuery, JsonS
 	 *
 	 * @since 17.0.0
 	 */
+	#[\Override]
 	public function addValueBool(bool $value): ISearchRequestSimpleQuery {
 		$this->values[] = $value;
 
@@ -122,6 +130,7 @@ final class SearchRequestSimpleQuery implements ISearchRequestSimpleQuery, JsonS
 	/**
 	 * @since 17.0.0
 	 */
+	#[\Override]
 	public function jsonSerialize(): array {
 		return [
 			'type' => $this->getType(),
diff --git a/lib/private/FullTextSearch/Model/SearchTemplate.php b/lib/private/FullTextSearch/Model/SearchTemplate.php
index 6f9a04a911e..e54c3c88da7 100644
--- a/lib/private/FullTextSearch/Model/SearchTemplate.php
+++ b/lib/private/FullTextSearch/Model/SearchTemplate.php
@@ -68,6 +68,7 @@ final class SearchTemplate implements ISearchTemplate, JsonSerializable {
 	 *
 	 * @since 15.0.0
 	 */
+	#[\Override]
 	public function setIcon(string $class): ISearchTemplate {
 		$this->icon = $class;
 
@@ -77,6 +78,7 @@ final class SearchTemplate implements ISearchTemplate, JsonSerializable {
 	/**
 	 * Get the class of the icon.
 	 */
+	#[\Override]
 	public function getIcon(): string {
 		return $this->icon;
 	}
@@ -87,6 +89,7 @@ final class SearchTemplate implements ISearchTemplate, JsonSerializable {
 	 *
 	 * @since 15.0.0
 	 */
+	#[\Override]
 	public function setCss(string $css): ISearchTemplate {
 		$this->css = $css;
 
@@ -98,6 +101,7 @@ final class SearchTemplate implements ISearchTemplate, JsonSerializable {
 	 *
 	 * @since 15.0.0
 	 */
+	#[\Override]
 	public function getCss(): string {
 		return $this->css;
 	}
@@ -111,6 +115,7 @@ final class SearchTemplate implements ISearchTemplate, JsonSerializable {
 	 *
 	 * @since 15.0.0
 	 */
+	#[\Override]
 	public function setTemplate(string $template): ISearchTemplate {
 		$this->template = $template;
 
@@ -122,6 +127,7 @@ final class SearchTemplate implements ISearchTemplate, JsonSerializable {
 	 *
 	 * @since 15.0.0
 	 */
+	#[\Override]
 	public function getTemplate(): string {
 		return $this->template;
 	}
@@ -135,6 +141,7 @@ final class SearchTemplate implements ISearchTemplate, JsonSerializable {
 	 *
 	 * @since 15.0.0
 	 */
+	#[\Override]
 	public function addPanelOption(ISearchOption $option): ISearchTemplate {
 		$this->panelOptions[] = $option;
 
@@ -148,6 +155,7 @@ final class SearchTemplate implements ISearchTemplate, JsonSerializable {
 	 *
 	 * @return SearchOption[]
 	 */
+	#[\Override]
 	public function getPanelOptions(): array {
 		return $this->panelOptions;
 	}
@@ -160,6 +168,7 @@ final class SearchTemplate implements ISearchTemplate, JsonSerializable {
 	 *
 	 * @since 15.0.0
 	 */
+	#[\Override]
 	public function addNavigationOption(ISearchOption $option): ISearchTemplate {
 		$this->navigationOptions[] = $option;
 
@@ -171,6 +180,7 @@ final class SearchTemplate implements ISearchTemplate, JsonSerializable {
 	 *
 	 * @since 15.0.0
 	 */
+	#[\Override]
 	public function getNavigationOptions(): array {
 		return $this->navigationOptions;
 	}
@@ -179,6 +189,7 @@ final class SearchTemplate implements ISearchTemplate, JsonSerializable {
 	/**
 	 * @since 15.0.0
 	 */
+	#[\Override]
 	public function jsonSerialize(): array {
 		return [
 			'icon' => $this->getIcon(),
diff --git a/lib/private/Group/Backend.php b/lib/private/Group/Backend.php
index 011ff986143..b9c295c34ff 100644
--- a/lib/private/Group/Backend.php
+++ b/lib/private/Group/Backend.php
@@ -54,6 +54,7 @@ abstract class Backend implements GroupInterface {
 	 * Returns the supported actions as int to be
 	 * compared with \OC\Group\Backend::CREATE_GROUP etc.
 	 */
+	#[\Override]
 	public function implementsActions($actions) {
 		return (bool)($this->getSupportedActions() & $actions);
 	}
@@ -66,6 +67,7 @@ abstract class Backend implements GroupInterface {
 	 *
 	 * Checks whether the user is member of a group or not.
 	 */
+	#[\Override]
 	public function inGroup($uid, $gid) {
 		return in_array($gid, $this->getUserGroups($uid));
 	}
@@ -78,6 +80,7 @@ abstract class Backend implements GroupInterface {
 	 * This function fetches all groups a user belongs to. It does not check
 	 * if the user exists at all.
 	 */
+	#[\Override]
 	public function getUserGroups($uid) {
 		return [];
 	}
@@ -92,6 +95,7 @@ abstract class Backend implements GroupInterface {
 	 * Returns a list with all groups
 	 */
 
+	#[\Override]
 	public function getGroups($search = '', $limit = -1, $offset = 0) {
 		return [];
 	}
@@ -101,6 +105,7 @@ abstract class Backend implements GroupInterface {
 	 * @param string $gid
 	 * @return bool
 	 */
+	#[\Override]
 	public function groupExists($gid) {
 		return in_array($gid, $this->getGroups($gid, 1));
 	}
@@ -113,6 +118,7 @@ abstract class Backend implements GroupInterface {
 	 * @param int $offset
 	 * @return array<int,string> an array of user ids
 	 */
+	#[\Override]
 	public function usersInGroup($gid, $search = '', $limit = -1, $offset = 0) {
 		return [];
 	}
diff --git a/lib/private/Group/Database.php b/lib/private/Group/Database.php
index 190eb37348b..fff9cef31f7 100644
--- a/lib/private/Group/Database.php
+++ b/lib/private/Group/Database.php
@@ -65,6 +65,7 @@ class Database extends ABackend implements
 		}
 	}
 
+	#[\Override]
 	public function createGroup(string $name): ?string {
 		$this->fixDI();
 
@@ -100,6 +101,7 @@ class Database extends ABackend implements
 	 *
 	 * Deletes a group and removes it from the group_user-table
 	 */
+	#[\Override]
 	public function deleteGroup(string $gid): bool {
 		$this->fixDI();
 
@@ -135,6 +137,7 @@ class Database extends ABackend implements
 	 *
 	 * Checks whether the user is member of a group or not.
 	 */
+	#[\Override]
 	public function inGroup($uid, $gid) {
 		$this->fixDI();
 
@@ -160,6 +163,7 @@ class Database extends ABackend implements
 	 *
 	 * Adds a user to a group.
 	 */
+	#[\Override]
 	public function addToGroup(string $uid, string $gid): bool {
 		$this->fixDI();
 
@@ -184,6 +188,7 @@ class Database extends ABackend implements
 	 *
 	 * removes the user from a group.
 	 */
+	#[\Override]
 	public function removeFromGroup(string $uid, string $gid): bool {
 		$this->fixDI();
 
@@ -204,6 +209,7 @@ class Database extends ABackend implements
 	 * This function fetches all groups a user belongs to. It does not check
 	 * if the user exists at all.
 	 */
+	#[\Override]
 	public function getUserGroups($uid) {
 		//guests has empty or null $uid
 		if ($uid === null || $uid === '') {
@@ -242,6 +248,7 @@ class Database extends ABackend implements
 	 *
 	 * Returns a list with all groups
 	 */
+	#[\Override]
 	public function getGroups(string $search = '', int $limit = -1, int $offset = 0) {
 		$this->fixDI();
 
@@ -285,6 +292,7 @@ class Database extends ABackend implements
 	 * @param string $gid
 	 * @return bool
 	 */
+	#[\Override]
 	public function groupExists($gid) {
 		$this->fixDI();
 
@@ -314,6 +322,7 @@ class Database extends ABackend implements
 	/**
 	 * {@inheritdoc}
 	 */
+	#[\Override]
 	public function groupsExists(array $gids): array {
 		$notFoundGids = [];
 		$existingGroups = [];
@@ -356,10 +365,12 @@ class Database extends ABackend implements
 	 * @param int $offset
 	 * @return array<int,string> an array of user ids
 	 */
+	#[\Override]
 	public function usersInGroup($gid, $search = '', $limit = -1, $offset = 0): array {
 		return array_values(array_map(fn ($user) => $user->getUid(), $this->searchInGroup($gid, $search, $limit, $offset)));
 	}
 
+	#[\Override]
 	public function searchInGroup(string $gid, string $search = '', int $limit = -1, int $offset = 0): array {
 		$this->fixDI();
 
@@ -427,6 +438,7 @@ class Database extends ABackend implements
 	 * @param string $search
 	 * @return int
 	 */
+	#[\Override]
 	public function countUsersInGroup(string $gid, string $search = ''): int {
 		$this->fixDI();
 
@@ -461,6 +473,7 @@ class Database extends ABackend implements
 	 *
 	 * @return int
 	 */
+	#[\Override]
 	public function countDisabledInGroup(string $gid): int {
 		$this->fixDI();
 
@@ -486,6 +499,7 @@ class Database extends ABackend implements
 		return $count;
 	}
 
+	#[\Override]
 	public function getDisplayName(string $gid): string {
 		if (isset($this->groupCache[$gid])) {
 			$displayName = $this->groupCache[$gid]['displayname'];
@@ -509,6 +523,7 @@ class Database extends ABackend implements
 		return (string)$displayName;
 	}
 
+	#[\Override]
 	public function getGroupDetails(string $gid): array {
 		$displayName = $this->getDisplayName($gid);
 		if ($displayName !== '') {
@@ -521,6 +536,7 @@ class Database extends ABackend implements
 	/**
 	 * {@inheritdoc}
 	 */
+	#[\Override]
 	public function getGroupsDetails(array $gids): array {
 		$notFoundGids = [];
 		$details = [];
@@ -557,6 +573,7 @@ class Database extends ABackend implements
 		return $details;
 	}
 
+	#[\Override]
 	public function setDisplayName(string $gid, string $displayName): bool {
 		if (!$this->groupExists($gid)) {
 			return false;
@@ -583,6 +600,7 @@ class Database extends ABackend implements
 	 * @return string the name of the backend to be shown
 	 * @since 21.0.0
 	 */
+	#[\Override]
 	public function getBackendName(): string {
 		return 'Database';
 	}
diff --git a/lib/private/Group/DisplayNameCache.php b/lib/private/Group/DisplayNameCache.php
index 8108b359726..cfd39897015 100644
--- a/lib/private/Group/DisplayNameCache.php
+++ b/lib/private/Group/DisplayNameCache.php
@@ -61,6 +61,7 @@ class DisplayNameCache implements IEventListener {
 		$this->memCache->clear();
 	}
 
+	#[\Override]
 	public function handle(Event $event): void {
 		if ($event instanceof GroupChangedEvent && $event->getFeature() === 'displayName') {
 			$groupId = $event->getGroup()->getGID();
diff --git a/lib/private/Group/Group.php b/lib/private/Group/Group.php
index ffb42458ecc..7b7ca00a88f 100644
--- a/lib/private/Group/Group.php
+++ b/lib/private/Group/Group.php
@@ -51,10 +51,12 @@ class Group implements IGroup {
 	) {
 	}
 
+	#[\Override]
 	public function getGID(): string {
 		return $this->gid;
 	}
 
+	#[\Override]
 	public function getDisplayName(): string {
 		if (is_null($this->displayName)) {
 			foreach ($this->backends as $backend) {
@@ -71,6 +73,7 @@ class Group implements IGroup {
 		return $this->displayName;
 	}
 
+	#[\Override]
 	public function setDisplayName(string $displayName): bool {
 		$displayName = trim($displayName);
 		if ($displayName !== '') {
@@ -93,6 +96,7 @@ class Group implements IGroup {
 	 *
 	 * @return array<string, IUser>
 	 */
+	#[\Override]
 	public function getUsers(): array {
 		if ($this->usersLoaded) {
 			return $this->users;
@@ -120,6 +124,7 @@ class Group implements IGroup {
 	 * @param IUser $user
 	 * @return bool
 	 */
+	#[\Override]
 	public function inGroup(IUser $user): bool {
 		if (isset($this->users[$user->getUID()])) {
 			return true;
@@ -138,6 +143,7 @@ class Group implements IGroup {
 	 *
 	 * @param IUser $user
 	 */
+	#[\Override]
 	public function addUser(IUser $user): void {
 		if ($this->inGroup($user)) {
 			return;
@@ -167,6 +173,7 @@ class Group implements IGroup {
 	/**
 	 * remove a user from the group
 	 */
+	#[\Override]
 	public function removeUser(IUser $user): void {
 		$result = false;
 		$this->dispatcher->dispatchTyped(new BeforeUserRemovedEvent($this, $user));
@@ -200,6 +207,7 @@ class Group implements IGroup {
 	 * Search for users in the group by userid or display name
 	 * @return IUser[]
 	 */
+	#[\Override]
 	public function searchUsers(string $search, ?int $limit = null, ?int $offset = null): array {
 		$users = [];
 		foreach ($this->backends as $backend) {
@@ -227,6 +235,7 @@ class Group implements IGroup {
 	 * @param string $search
 	 * @return int|bool
 	 */
+	#[\Override]
 	public function count($search = ''): int|bool {
 		$users = false;
 		foreach ($this->backends as $backend) {
@@ -248,6 +257,7 @@ class Group implements IGroup {
 	 *
 	 * @return int|bool
 	 */
+	#[\Override]
 	public function countDisabled(): int|bool {
 		$users = false;
 		foreach ($this->backends as $backend) {
@@ -272,6 +282,7 @@ class Group implements IGroup {
 	 * @return IUser[]
 	 * @deprecated 27.0.0 Use searchUsers instead (same implementation)
 	 */
+	#[\Override]
 	public function searchDisplayName(string $search, ?int $limit = null, ?int $offset = null): array {
 		return $this->searchUsers($search, $limit, $offset);
 	}
@@ -281,6 +292,7 @@ class Group implements IGroup {
 	 *
 	 * @return string[]
 	 */
+	#[\Override]
 	public function getBackendNames(): array {
 		$backends = [];
 		foreach ($this->backends as $backend) {
@@ -299,6 +311,7 @@ class Group implements IGroup {
 	 *
 	 * @return bool
 	 */
+	#[\Override]
 	public function delete(): bool {
 		// Prevent users from deleting group admin
 		if ($this->getGID() === 'admin') {
@@ -345,6 +358,7 @@ class Group implements IGroup {
 	 * @return bool
 	 * @since 14.0.0
 	 */
+	#[\Override]
 	public function canRemoveUser(): bool {
 		foreach ($this->backends as $backend) {
 			if ($backend->implementsActions(GroupInterface::REMOVE_FROM_GOUP)) {
@@ -358,6 +372,7 @@ class Group implements IGroup {
 	 * @return bool
 	 * @since 14.0.0
 	 */
+	#[\Override]
 	public function canAddUser(): bool {
 		foreach ($this->backends as $backend) {
 			if ($backend->implementsActions(GroupInterface::ADD_TO_GROUP)) {
@@ -371,6 +386,7 @@ class Group implements IGroup {
 	 * @return bool
 	 * @since 16.0.0
 	 */
+	#[\Override]
 	public function hideFromCollaboration(): bool {
 		return array_reduce($this->backends, function (bool $hide, GroupInterface $backend) {
 			return $hide || ($backend instanceof IHideFromCollaborationBackend && $backend->hideGroup($this->gid));
diff --git a/lib/private/Group/Manager.php b/lib/private/Group/Manager.php
index 6b57897ee79..028dffd2273 100644
--- a/lib/private/Group/Manager.php
+++ b/lib/private/Group/Manager.php
@@ -81,6 +81,7 @@ class Manager extends PublicEmitter implements IGroupManager {
 	 * @param string $backendClass Full classname including complete namespace
 	 * @return bool
 	 */
+	#[\Override]
 	public function isBackendUsed($backendClass) {
 		$backendClass = strtolower(ltrim($backendClass, '\\'));
 
@@ -96,11 +97,13 @@ class Manager extends PublicEmitter implements IGroupManager {
 	/**
 	 * @param GroupInterface $backend
 	 */
+	#[\Override]
 	public function addBackend($backend) {
 		$this->backends[] = $backend;
 		$this->clearCaches();
 	}
 
+	#[\Override]
 	public function clearBackends() {
 		$this->backends = [];
 		$this->clearCaches();
@@ -111,6 +114,7 @@ class Manager extends PublicEmitter implements IGroupManager {
 	 *
 	 * @return GroupInterface[]
 	 */
+	#[\Override]
 	public function getBackends() {
 		return $this->backends;
 	}
@@ -125,6 +129,7 @@ class Manager extends PublicEmitter implements IGroupManager {
 	 * @param string $gid
 	 * @return IGroup|null
 	 */
+	#[\Override]
 	public function get($gid) {
 		if (isset($this->cachedGroups[$gid])) {
 			return $this->cachedGroups[$gid];
@@ -222,6 +227,7 @@ class Manager extends PublicEmitter implements IGroupManager {
 	 * @param string $gid
 	 * @return bool
 	 */
+	#[\Override]
 	public function groupExists($gid) {
 		return $this->get($gid) instanceof IGroup;
 	}
@@ -230,6 +236,7 @@ class Manager extends PublicEmitter implements IGroupManager {
 	 * @param string $gid
 	 * @return IGroup|null
 	 */
+	#[\Override]
 	public function createGroup($gid) {
 		if ($gid === '' || $gid === null) {
 			return null;
@@ -262,6 +269,7 @@ class Manager extends PublicEmitter implements IGroupManager {
 		}
 	}
 
+	#[\Override]
 	public function search(string $search, ?int $limit = null, ?int $offset = 0) {
 		$groups = [];
 		foreach ($this->backends as $backend) {
@@ -281,6 +289,7 @@ class Manager extends PublicEmitter implements IGroupManager {
 	 * @param IUser|null $user
 	 * @return array<string, IGroup>
 	 */
+	#[\Override]
 	public function getUserGroups(?IUser $user = null): array {
 		if (!$user instanceof IUser) {
 			return [];
@@ -313,6 +322,7 @@ class Manager extends PublicEmitter implements IGroupManager {
 	 * @param string $userId
 	 * @return bool if admin
 	 */
+	#[\Override]
 	public function isAdmin($userId) {
 		if (!$this->remoteAddress->allowsAdminActions()) {
 			return false;
@@ -326,6 +336,7 @@ class Manager extends PublicEmitter implements IGroupManager {
 		return $this->isInGroup($userId, 'admin');
 	}
 
+	#[\Override]
 	public function isDelegatedAdmin(string $userId): bool {
 		if (!$this->remoteAddress->allowsAdminActions()) {
 			return false;
@@ -345,10 +356,12 @@ class Manager extends PublicEmitter implements IGroupManager {
 	 * @param string $group
 	 * @return bool if in group
 	 */
+	#[\Override]
 	public function isInGroup($userId, $group) {
 		return in_array($group, $this->getUserIdGroupIds($userId));
 	}
 
+	#[\Override]
 	public function getUserGroupIds(IUser $user): array {
 		return $this->getUserIdGroupIds($user->getUID());
 	}
@@ -375,6 +388,7 @@ class Manager extends PublicEmitter implements IGroupManager {
 	 * @param string $groupId
 	 * @return ?string
 	 */
+	#[\Override]
 	public function getDisplayName(string $groupId): ?string {
 		return $this->displayNameCache->getDisplayName($groupId);
 	}
@@ -391,6 +405,7 @@ class Manager extends PublicEmitter implements IGroupManager {
 		}, $this->getUserGroups($user));
 	}
 
+	#[\Override]
 	public function displayNamesInGroup($gid, $search = '', $limit = -1, $offset = 0) {
 		$group = $this->get($gid);
 		if (is_null($group)) {
diff --git a/lib/private/Hooks/PublicEmitter.php b/lib/private/Hooks/PublicEmitter.php
index 77cb2bf30dd..e6cb97e93d7 100644
--- a/lib/private/Hooks/PublicEmitter.php
+++ b/lib/private/Hooks/PublicEmitter.php
@@ -19,6 +19,7 @@ class PublicEmitter extends BasicEmitter {
 	 *
 	 * @suppress PhanAccessMethodProtected
 	 */
+	#[\Override]
 	public function emit($scope, $method, array $arguments = []) {
 		parent::emit($scope, $method, $arguments);
 	}
diff --git a/lib/private/Http/Client/Client.php b/lib/private/Http/Client/Client.php
index f1b81df3964..0a42ace17c0 100644
--- a/lib/private/Http/Client/Client.php
+++ b/lib/private/Http/Client/Client.php
@@ -208,6 +208,7 @@ class Client implements IClient {
 	 * @return IResponse
 	 * @throws \Exception If the request could not get completed
 	 */
+	#[\Override]
 	public function get(string $uri, array $options = []): IResponse {
 		$this->preventLocalAddress($uri, $options);
 		$response = $this->client->request('get', $uri, $this->buildRequestOptions($options));
@@ -239,6 +240,7 @@ class Client implements IClient {
 	 * @return IResponse
 	 * @throws \Exception If the request could not get completed
 	 */
+	#[\Override]
 	public function head(string $uri, array $options = []): IResponse {
 		$this->preventLocalAddress($uri, $options);
 		$response = $this->client->request('head', $uri, $this->buildRequestOptions($options));
@@ -274,6 +276,7 @@ class Client implements IClient {
 	 * @return IResponse
 	 * @throws \Exception If the request could not get completed
 	 */
+	#[\Override]
 	public function post(string $uri, array $options = []): IResponse {
 		$this->preventLocalAddress($uri, $options);
 
@@ -315,6 +318,7 @@ class Client implements IClient {
 	 * @return IResponse
 	 * @throws \Exception If the request could not get completed
 	 */
+	#[\Override]
 	public function put(string $uri, array $options = []): IResponse {
 		$this->preventLocalAddress($uri, $options);
 		$response = $this->client->request('put', $uri, $this->buildRequestOptions($options));
@@ -350,6 +354,7 @@ class Client implements IClient {
 	 * @return IResponse
 	 * @throws \Exception If the request could not get completed
 	 */
+	#[\Override]
 	public function patch(string $uri, array $options = []): IResponse {
 		$this->preventLocalAddress($uri, $options);
 		$response = $this->client->request('patch', $uri, $this->buildRequestOptions($options));
@@ -385,6 +390,7 @@ class Client implements IClient {
 	 * @return IResponse
 	 * @throws \Exception If the request could not get completed
 	 */
+	#[\Override]
 	public function delete(string $uri, array $options = []): IResponse {
 		$this->preventLocalAddress($uri, $options);
 		$response = $this->client->request('delete', $uri, $this->buildRequestOptions($options));
@@ -420,6 +426,7 @@ class Client implements IClient {
 	 * @return IResponse
 	 * @throws \Exception If the request could not get completed
 	 */
+	#[\Override]
 	public function options(string $uri, array $options = []): IResponse {
 		$this->preventLocalAddress($uri, $options);
 		$response = $this->client->request('options', $uri, $this->buildRequestOptions($options));
@@ -434,6 +441,7 @@ class Client implements IClient {
 	 * @throws \Throwable When $e did not have a response
 	 * @since 29.0.0
 	 */
+	#[\Override]
 	public function getResponseFromThrowable(\Throwable $e): IResponse {
 		if (method_exists($e, 'hasResponse') && method_exists($e, 'getResponse') && $e->hasResponse()) {
 			return new Response($e->getResponse());
@@ -472,6 +480,7 @@ class Client implements IClient {
 	 * @return IResponse
 	 * @throws \Exception If the request could not get completed
 	 */
+	#[\Override]
 	public function request(string $method, string $uri, array $options = []): IResponse {
 		$this->preventLocalAddress($uri, $options);
 		$response = $this->client->request($method, $uri, $this->buildRequestOptions($options));
@@ -479,6 +488,7 @@ class Client implements IClient {
 		return new Response($response, $isStream);
 	}
 
+	#[\Override]
 	public function sendRequest(RequestInterface $request): ResponseInterface {
 		$this->preventLocalAddress((string)$request->getUri(), []);
 		return $this->client->send($request, $this->buildRequestOptions([]));
@@ -519,6 +529,7 @@ class Client implements IClient {
 	 *                       'timeout' => 5,
 	 * @return IPromise
 	 */
+	#[\Override]
 	public function getAsync(string $uri, array $options = []): IPromise {
 		$this->preventLocalAddress($uri, $options);
 		$response = $this->client->requestAsync('get', $uri, $this->buildRequestOptions($options));
@@ -548,6 +559,7 @@ class Client implements IClient {
 	 *                       'timeout' => 5,
 	 * @return IPromise
 	 */
+	#[\Override]
 	public function headAsync(string $uri, array $options = []): IPromise {
 		$this->preventLocalAddress($uri, $options);
 		$response = $this->client->requestAsync('head', $uri, $this->buildRequestOptions($options));
@@ -582,6 +594,7 @@ class Client implements IClient {
 	 *                       'timeout' => 5,
 	 * @return IPromise
 	 */
+	#[\Override]
 	public function postAsync(string $uri, array $options = []): IPromise {
 		$this->preventLocalAddress($uri, $options);
 
@@ -621,6 +634,7 @@ class Client implements IClient {
 	 *                       'timeout' => 5,
 	 * @return IPromise
 	 */
+	#[\Override]
 	public function putAsync(string $uri, array $options = []): IPromise {
 		$this->preventLocalAddress($uri, $options);
 		$response = $this->client->requestAsync('put', $uri, $this->buildRequestOptions($options));
@@ -655,6 +669,7 @@ class Client implements IClient {
 	 *                       'timeout' => 5,
 	 * @return IPromise
 	 */
+	#[\Override]
 	public function deleteAsync(string $uri, array $options = []): IPromise {
 		$this->preventLocalAddress($uri, $options);
 		$response = $this->client->requestAsync('delete', $uri, $this->buildRequestOptions($options));
@@ -689,6 +704,7 @@ class Client implements IClient {
 	 *                       'timeout' => 5,
 	 * @return IPromise
 	 */
+	#[\Override]
 	public function optionsAsync(string $uri, array $options = []): IPromise {
 		$this->preventLocalAddress($uri, $options);
 		$response = $this->client->requestAsync('options', $uri, $this->buildRequestOptions($options));
diff --git a/lib/private/Http/Client/ClientService.php b/lib/private/Http/Client/ClientService.php
index 1e40ef31bc1..12d633a962b 100644
--- a/lib/private/Http/Client/ClientService.php
+++ b/lib/private/Http/Client/ClientService.php
@@ -39,6 +39,7 @@ class ClientService implements IClientService {
 	) {
 	}
 
+	#[\Override]
 	public function newClient(): IClient {
 		$handler = new CurlHandler();
 		$stack = HandlerStack::create($handler);
diff --git a/lib/private/Http/Client/GuzzlePromiseAdapter.php b/lib/private/Http/Client/GuzzlePromiseAdapter.php
index 7d1e1e19112..796071d1eeb 100644
--- a/lib/private/Http/Client/GuzzlePromiseAdapter.php
+++ b/lib/private/Http/Client/GuzzlePromiseAdapter.php
@@ -41,6 +41,7 @@ class GuzzlePromiseAdapter implements IPromise {
 	 * @return IPromise
 	 * @since 28.0.0
 	 */
+	#[\Override]
 	public function then(
 		?callable $onFulfilled = null,
 		?callable $onRejected = null,
@@ -74,6 +75,7 @@ class GuzzlePromiseAdapter implements IPromise {
 	 * @return IPromise::STATE_*
 	 * @since 28.0.0
 	 */
+	#[\Override]
 	public function getState(): string {
 		$state = $this->promise->getState();
 		if ($state === PromiseInterface::FULFILLED) {
@@ -98,6 +100,7 @@ class GuzzlePromiseAdapter implements IPromise {
 	 * @link https://github.com/promises-aplus/cancellation-spec/issues/7
 	 * @since 28.0.0
 	 */
+	#[\Override]
 	public function cancel(): void {
 		$this->promise->cancel();
 	}
@@ -118,6 +121,7 @@ class GuzzlePromiseAdapter implements IPromise {
 	 *                        promise does not settle after waiting.
 	 * @since 28.0.0
 	 */
+	#[\Override]
 	public function wait(bool $unwrap = true): mixed {
 		return $this->promise->wait($unwrap);
 	}
diff --git a/lib/private/Http/Client/Response.php b/lib/private/Http/Client/Response.php
index 460b5251a52..f005347067c 100644
--- a/lib/private/Http/Client/Response.php
+++ b/lib/private/Http/Client/Response.php
@@ -18,16 +18,19 @@ class Response implements IResponse {
 	) {
 	}
 
+	#[\Override]
 	public function getBody() {
 		return $this->stream
 			? $this->response->getBody()->detach()
 			:$this->response->getBody()->getContents();
 	}
 
+	#[\Override]
 	public function getStatusCode(): int {
 		return $this->response->getStatusCode();
 	}
 
+	#[\Override]
 	public function getHeader(string $key): string {
 		$headers = $this->response->getHeader($key);
 
@@ -38,6 +41,7 @@ class Response implements IResponse {
 		return $headers[0];
 	}
 
+	#[\Override]
 	public function getHeaders(): array {
 		return $this->response->getHeaders();
 	}
diff --git a/lib/private/Http/WellKnown/RequestManager.php b/lib/private/Http/WellKnown/RequestManager.php
index 11d5d388f35..a79974089e7 100644
--- a/lib/private/Http/WellKnown/RequestManager.php
+++ b/lib/private/Http/WellKnown/RequestManager.php
@@ -37,6 +37,7 @@ class RequestManager {
 			) {
 			}
 
+			#[\Override]
 			public function getHttpRequest(): IRequest {
 				return $this->request;
 			}
diff --git a/lib/private/Image.php b/lib/private/Image.php
index 7e6a7621dcf..2ab199e69c6 100644
--- a/lib/private/Image.php
+++ b/lib/private/Image.php
@@ -67,6 +67,7 @@ class Image implements IImage {
 	 * @psalm-assert-if-true \GdImage $this->resource
 	 * @return bool
 	 */
+	#[\Override]
 	public function valid(): bool {
 		if (is_object($this->resource) && get_class($this->resource) === \GdImage::class) {
 			return true;
@@ -80,6 +81,7 @@ class Image implements IImage {
 	 *
 	 * @return string
 	 */
+	#[\Override]
 	public function mimeType(): ?string {
 		return $this->valid() ? $this->mimeType : null;
 	}
@@ -89,6 +91,7 @@ class Image implements IImage {
 	 *
 	 * @return int
 	 */
+	#[\Override]
 	public function width(): int {
 		if ($this->valid()) {
 			return imagesx($this->resource);
@@ -101,6 +104,7 @@ class Image implements IImage {
 	 *
 	 * @return int
 	 */
+	#[\Override]
 	public function height(): int {
 		if ($this->valid()) {
 			return imagesy($this->resource);
@@ -113,6 +117,7 @@ class Image implements IImage {
 	 *
 	 * @return int
 	 */
+	#[\Override]
 	public function widthTopLeft(): int {
 		$o = $this->getOrientation();
 		$this->logger->debug('Image->widthTopLeft() Orientation: ' . $o, ['app' => 'core']);
@@ -137,6 +142,7 @@ class Image implements IImage {
 	 *
 	 * @return int
 	 */
+	#[\Override]
 	public function heightTopLeft(): int {
 		$o = $this->getOrientation();
 		$this->logger->debug('Image->heightTopLeft() Orientation: ' . $o, ['app' => 'core']);
@@ -162,6 +168,7 @@ class Image implements IImage {
 	 * @param string $mimeType
 	 * @return bool
 	 */
+	#[\Override]
 	public function show(?string $mimeType = null): bool {
 		if ($mimeType === null) {
 			$mimeType = $this->mimeType();
@@ -180,6 +187,7 @@ class Image implements IImage {
 	 * @return bool
 	 */
 
+	#[\Override]
 	public function save(?string $filePath = null, ?string $mimeType = null): bool {
 		if ($mimeType === null) {
 			$mimeType = $this->mimeType();
@@ -296,6 +304,7 @@ class Image implements IImage {
 	/**
 	 * @return false|\GdImage Returns the image resource if any
 	 */
+	#[\Override]
 	public function resource() {
 		return $this->resource;
 	}
@@ -303,6 +312,7 @@ class Image implements IImage {
 	/**
 	 * @return string Returns the mimetype of the data. Returns null if the data is not valid.
 	 */
+	#[\Override]
 	public function dataMimeType(): ?string {
 		if (!$this->valid()) {
 			return null;
@@ -322,6 +332,7 @@ class Image implements IImage {
 	/**
 	 * @return null|string Returns the raw image data.
 	 */
+	#[\Override]
 	public function data(): ?string {
 		if (!$this->valid()) {
 			return null;
@@ -393,6 +404,7 @@ class Image implements IImage {
 	 *
 	 * @return int The orientation or -1 if no EXIF data is available.
 	 */
+	#[\Override]
 	public function getOrientation(): int {
 		if ($this->exif !== null) {
 			return $this->exif['Orientation'];
@@ -422,6 +434,7 @@ class Image implements IImage {
 		return (int)$exif['Orientation'];
 	}
 
+	#[\Override]
 	public function readExif(string $data): void {
 		if (!is_callable('exif_read_data')) {
 			$this->logger->debug('Image->fixOrientation() Exif module not enabled.', ['app' => 'core']);
@@ -445,6 +458,7 @@ class Image implements IImage {
 	 *
 	 * @return bool
 	 */
+	#[\Override]
 	public function fixOrientation(): bool {
 		if (!$this->valid()) {
 			$this->logger->debug(__METHOD__ . '(): No image loaded', ['app' => 'core']);
@@ -781,6 +795,7 @@ class Image implements IImage {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function loadFromData(string $str): GdImage|false {
 		if (!$this->checkImageDataSize($str)) {
 			return false;
@@ -833,6 +848,7 @@ class Image implements IImage {
 	 * @param int $maxSize The maximum size of either the width or height.
 	 * @return bool
 	 */
+	#[\Override]
 	public function resize(int $maxSize): bool {
 		if (!$this->valid()) {
 			$this->logger->debug(__METHOD__ . '(): No image loaded', ['app' => 'core']);
@@ -868,6 +884,7 @@ class Image implements IImage {
 	 * @param int $height
 	 * @return bool
 	 */
+	#[\Override]
 	public function preciseResize(int $width, int $height): bool {
 		if (!$this->valid()) {
 			$this->logger->debug(__METHOD__ . '(): No image loaded', ['app' => 'core']);
@@ -921,6 +938,7 @@ class Image implements IImage {
 	 * @param int $size maximum size for the result (optional)
 	 * @return bool for success or failure
 	 */
+	#[\Override]
 	public function centerCrop(int $size = 0): bool {
 		if (!$this->valid()) {
 			$this->logger->debug('Image->centerCrop, No image loaded', ['app' => 'core']);
@@ -984,6 +1002,7 @@ class Image implements IImage {
 	 * @param int $h Height
 	 * @return bool for success or failure
 	 */
+	#[\Override]
 	public function crop(int $x, int $y, int $w, int $h): bool {
 		if (!$this->valid()) {
 			$this->logger->debug(__METHOD__ . '(): No image loaded', ['app' => 'core']);
@@ -1043,6 +1062,7 @@ class Image implements IImage {
 	 * @param int $maxHeight
 	 * @return bool
 	 */
+	#[\Override]
 	public function fitIn(int $maxWidth, int $maxHeight): bool {
 		if (!$this->valid()) {
 			$this->logger->debug(__METHOD__ . '(): No image loaded', ['app' => 'core']);
@@ -1066,6 +1086,7 @@ class Image implements IImage {
 	 * @param int $maxHeight
 	 * @return bool
 	 */
+	#[\Override]
 	public function scaleDownToFit(int $maxWidth, int $maxHeight): bool {
 		if (!$this->valid()) {
 			$this->logger->debug(__METHOD__ . '(): No image loaded', ['app' => 'core']);
@@ -1081,6 +1102,7 @@ class Image implements IImage {
 		return false;
 	}
 
+	#[\Override]
 	public function copy(): IImage {
 		$image = new self($this->logger, $this->appConfig, $this->config);
 		if (!$this->valid()) {
@@ -1106,6 +1128,7 @@ class Image implements IImage {
 		return $image;
 	}
 
+	#[\Override]
 	public function cropCopy(int $x, int $y, int $w, int $h): IImage {
 		$image = new self($this->logger, $this->appConfig, $this->config);
 		$image->imageType = $this->imageType;
@@ -1115,6 +1138,7 @@ class Image implements IImage {
 		return $image;
 	}
 
+	#[\Override]
 	public function preciseResizeCopy(int $width, int $height): IImage {
 		$image = new self($this->logger, $this->appConfig, $this->config);
 		$image->imageType = $this->imageType;
@@ -1124,6 +1148,7 @@ class Image implements IImage {
 		return $image;
 	}
 
+	#[\Override]
 	public function resizeCopy(int $maxSize): IImage {
 		$image = new self($this->logger, $this->appConfig, $this->config);
 		$image->imageType = $this->imageType;
diff --git a/lib/private/InitialStateService.php b/lib/private/InitialStateService.php
index 300aa238397..f7798f3cdaa 100644
--- a/lib/private/InitialStateService.php
+++ b/lib/private/InitialStateService.php
@@ -32,6 +32,7 @@ class InitialStateService implements IInitialStateService {
 	) {
 	}
 
+	#[\Override]
 	public function provideInitialState(string $appName, string $key, $data): void {
 		// Scalars and JsonSerializable are fine
 		if (is_scalar($data) || $data instanceof \JsonSerializable || is_array($data)) {
@@ -49,6 +50,7 @@ class InitialStateService implements IInitialStateService {
 		$this->logger->warning('Invalid ' . $key . ' data provided to provideInitialState by ' . $appName);
 	}
 
+	#[\Override]
 	public function provideLazyInitialState(string $appName, string $key, Closure $closure): void {
 		if (!isset($this->lazyStates[$appName])) {
 			$this->lazyStates[$appName] = [];
diff --git a/lib/private/IntegrityCheck/Iterator/ExcludeFileByNameFilterIterator.php b/lib/private/IntegrityCheck/Iterator/ExcludeFileByNameFilterIterator.php
index d28eae2740b..7a63a080529 100644
--- a/lib/private/IntegrityCheck/Iterator/ExcludeFileByNameFilterIterator.php
+++ b/lib/private/IntegrityCheck/Iterator/ExcludeFileByNameFilterIterator.php
@@ -42,6 +42,7 @@ class ExcludeFileByNameFilterIterator extends \RecursiveFilterIterator {
 		'/^\.webapp-nextcloud-(\d+\.){2}(\d+)(-r\d+)?$/', // Gentoo/Funtoo & derivatives use a tool known as webapp-config to manage wep-apps.
 	];
 
+	#[\Override]
 	public function accept(): bool {
 		/** @var \SplFileInfo $current */
 		$current = $this->current();
diff --git a/lib/private/IntegrityCheck/Iterator/ExcludeFoldersByPathFilterIterator.php b/lib/private/IntegrityCheck/Iterator/ExcludeFoldersByPathFilterIterator.php
index 1d44ed2ebc0..52ccbec082c 100644
--- a/lib/private/IntegrityCheck/Iterator/ExcludeFoldersByPathFilterIterator.php
+++ b/lib/private/IntegrityCheck/Iterator/ExcludeFoldersByPathFilterIterator.php
@@ -43,6 +43,7 @@ class ExcludeFoldersByPathFilterIterator extends \RecursiveFilterIterator {
 		$this->excludedFolders = array_merge($excludedFolders, $appFolders);
 	}
 
+	#[\Override]
 	public function accept(): bool {
 		return !\in_array(
 			$this->current()->getPathName(),
diff --git a/lib/private/L10N/Factory.php b/lib/private/L10N/Factory.php
index 4c9b32c97d1..635c5d65589 100644
--- a/lib/private/L10N/Factory.php
+++ b/lib/private/L10N/Factory.php
@@ -92,6 +92,7 @@ class Factory implements IFactory {
 	 * @param string|null $locale
 	 * @return IL10N
 	 */
+	#[\Override]
 	public function get($app, $lang = null, $locale = null) {
 		return new LazyL10N(function () use ($app, $lang, $locale) {
 			$app = $this->appManager->cleanAppId($app);
@@ -179,6 +180,7 @@ class Factory implements IFactory {
 	 *
 	 * @return string language If nothing works it returns 'en'
 	 */
+	#[\Override]
 	public function findLanguage(?string $appId = null): string {
 		// Step 1: Forced language always has precedence over anything else
 		$forceLang = $this->cleanLanguage($this->request->getParam('forceLanguage')) ?? $this->config->getSystemValue('force_language', false);
@@ -236,6 +238,7 @@ class Factory implements IFactory {
 		return 'en';
 	}
 
+	#[\Override]
 	public function findGenericLanguage(?string $appId = null): string {
 		// Step 1: Forced language always has precedence over anything else
 		$forcedLanguage = $this->cleanLanguage($this->request->getParam('forceLanguage')) ?? $this->config->getSystemValue('force_language', false);
@@ -259,6 +262,7 @@ class Factory implements IFactory {
 	 * @param string $lang
 	 * @return null|string
 	 */
+	#[\Override]
 	public function findLocale($lang = null) {
 		$forceLocale = $this->config->getSystemValue('force_locale', false);
 		if (is_string($forceLocale) && $this->localeExists($forceLocale)) {
@@ -302,6 +306,7 @@ class Factory implements IFactory {
 	 * @param string $locale
 	 * @return null|string
 	 */
+	#[\Override]
 	public function findLanguageFromLocale(string $app = 'core', ?string $locale = null) {
 		if ($this->languageExists($app, $locale)) {
 			return $locale;
@@ -320,6 +325,7 @@ class Factory implements IFactory {
 	 * @param string|null $app App id or null for core
 	 * @return string[] an array of available languages
 	 */
+	#[\Override]
 	public function findAvailableLanguages($app = null): array {
 		$key = $app;
 		if ($key === null) {
@@ -373,6 +379,7 @@ class Factory implements IFactory {
 	/**
 	 * @return array|mixed
 	 */
+	#[\Override]
 	public function findAvailableLocales() {
 		if (!empty($this->availableLocales)) {
 			return $this->availableLocales;
@@ -389,6 +396,7 @@ class Factory implements IFactory {
 	 * @param string $lang
 	 * @return bool
 	 */
+	#[\Override]
 	public function languageExists($app, $lang) {
 		if ($lang === 'en') { //english is always available
 			return true;
@@ -398,6 +406,7 @@ class Factory implements IFactory {
 		return in_array($lang, $languages);
 	}
 
+	#[\Override]
 	public function getLanguageDirection(string $language): string {
 		if (in_array($language, self::RTL_LANGUAGES, true)) {
 			return 'rtl';
@@ -406,6 +415,7 @@ class Factory implements IFactory {
 		return 'ltr';
 	}
 
+	#[\Override]
 	public function getLanguageIterator(?IUser $user = null): ILanguageIterator {
 		$user = $user ?? $this->userSession->getUser();
 		if ($user === null) {
@@ -421,6 +431,7 @@ class Factory implements IFactory {
 	 * @return string
 	 * @since 20.0.0
 	 */
+	#[\Override]
 	public function getUserLanguage(?IUser $user = null): string {
 		$language = $this->config->getSystemValue('force_language', false);
 		if ($language !== false) {
@@ -455,6 +466,7 @@ class Factory implements IFactory {
 	 * @param string $locale
 	 * @return bool
 	 */
+	#[\Override]
 	public function localeExists($locale) {
 		if ($locale === 'en') { //english is always available
 			return true;
@@ -607,6 +619,7 @@ class Factory implements IFactory {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function getLanguages(): array {
 		$forceLanguage = $this->config->getSystemValue('force_language', false);
 		if ($forceLanguage !== false) {
diff --git a/lib/private/L10N/L10N.php b/lib/private/L10N/L10N.php
index 9011183926f..07a392d5226 100644
--- a/lib/private/L10N/L10N.php
+++ b/lib/private/L10N/L10N.php
@@ -41,6 +41,7 @@ class L10N implements IL10N {
 	 *
 	 * @return string language
 	 */
+	#[\Override]
 	public function getLanguageCode(): string {
 		return $this->lang;
 	}
@@ -50,6 +51,7 @@ class L10N implements IL10N {
 	 *
 	 * @return string locale
 	 */
+	#[\Override]
 	public function getLocaleCode(): string {
 		return $this->locale ?? '';
 	}
@@ -63,6 +65,7 @@ class L10N implements IL10N {
 	 * Returns the translation. If no translation is found, $text will be
 	 * returned.
 	 */
+	#[\Override]
 	public function t(string $text, $parameters = []): string {
 		if (!\is_array($parameters)) {
 			$parameters = [$parameters];
@@ -86,6 +89,7 @@ class L10N implements IL10N {
 	 * provided by the po file.
 	 *
 	 */
+	#[\Override]
 	public function n(string $text_singular, string $text_plural, int $count, array $parameters = []): string {
 		$identifier = "_{$text_singular}_::_{$text_plural}_";
 		if (isset($this->translations[$identifier])) {
@@ -121,6 +125,7 @@ class L10N implements IL10N {
 	 *  - firstday: Returns the first day of the week (0 sunday - 6 saturday)
 	 *  - jsdate: Returns the short JS date format
 	 */
+	#[\Override]
 	public function l(string $type, $data = null, array $options = []) {
 		if ($this->locale === null) {
 			// Use the language of the instance
diff --git a/lib/private/L10N/L10NString.php b/lib/private/L10N/L10NString.php
index 2bd4f123025..88bdb125b79 100644
--- a/lib/private/L10N/L10NString.php
+++ b/lib/private/L10N/L10NString.php
@@ -54,6 +54,7 @@ class L10NString implements \JsonSerializable {
 		return vsprintf($text, $this->parameters);
 	}
 
+	#[\Override]
 	public function jsonSerialize(): string {
 		return $this->__toString();
 	}
diff --git a/lib/private/L10N/LanguageIterator.php b/lib/private/L10N/LanguageIterator.php
index 195de54ae4b..0055180f2a2 100644
--- a/lib/private/L10N/LanguageIterator.php
+++ b/lib/private/L10N/LanguageIterator.php
@@ -24,6 +24,7 @@ class LanguageIterator implements ILanguageIterator {
 	/**
 	 * Rewind the Iterator to the first element
 	 */
+	#[\Override]
 	public function rewind(): void {
 		$this->i = 0;
 	}
@@ -33,6 +34,7 @@ class LanguageIterator implements ILanguageIterator {
 	 *
 	 * @since 14.0.0
 	 */
+	#[\Override]
 	public function current(): string {
 		switch ($this->i) {
 			/** @noinspection PhpMissingBreakStatementInspection */
@@ -91,6 +93,7 @@ class LanguageIterator implements ILanguageIterator {
 	 *
 	 * @since 14.0.0
 	 */
+	#[\Override]
 	public function next(): void {
 		++$this->i;
 	}
@@ -100,6 +103,7 @@ class LanguageIterator implements ILanguageIterator {
 	 *
 	 * @since 14.0.0
 	 */
+	#[\Override]
 	public function key(): int {
 		return $this->i;
 	}
@@ -109,6 +113,7 @@ class LanguageIterator implements ILanguageIterator {
 	 *
 	 * @since 14.0.0
 	 */
+	#[\Override]
 	public function valid(): bool {
 		return $this->i <= 6;
 	}
diff --git a/lib/private/L10N/LazyL10N.php b/lib/private/L10N/LazyL10N.php
index b93e0596b79..bb499045d3e 100644
--- a/lib/private/L10N/LazyL10N.php
+++ b/lib/private/L10N/LazyL10N.php
@@ -26,22 +26,27 @@ class LazyL10N implements IL10N {
 		return $this->l;
 	}
 
+	#[\Override]
 	public function t(string $text, $parameters = []): string {
 		return $this->getL()->t($text, $parameters);
 	}
 
+	#[\Override]
 	public function n(string $text_singular, string $text_plural, int $count, array $parameters = []): string {
 		return $this->getL()->n($text_singular, $text_plural, $count, $parameters);
 	}
 
+	#[\Override]
 	public function l(string $type, $data, array $options = []) {
 		return $this->getL()->l($type, $data, $options);
 	}
 
+	#[\Override]
 	public function getLanguageCode(): string {
 		return $this->getL()->getLanguageCode();
 	}
 
+	#[\Override]
 	public function getLocaleCode(): string {
 		return $this->getL()->getLocaleCode();
 	}
diff --git a/lib/private/LDAP/NullLDAPProviderFactory.php b/lib/private/LDAP/NullLDAPProviderFactory.php
index 34556cbc1ad..5960e69a458 100644
--- a/lib/private/LDAP/NullLDAPProviderFactory.php
+++ b/lib/private/LDAP/NullLDAPProviderFactory.php
@@ -15,10 +15,12 @@ class NullLDAPProviderFactory implements ILDAPProviderFactory {
 	public function __construct(IServerContainer $serverContainer) {
 	}
 
+	#[\Override]
 	public function getLDAPProvider(): never {
 		throw new \Exception('No LDAP provider is available');
 	}
 
+	#[\Override]
 	public function isAvailable(): bool {
 		return false;
 	}
diff --git a/lib/private/Lock/AbstractLockingProvider.php b/lib/private/Lock/AbstractLockingProvider.php
index 4afd5d32c59..c8612ff3ba5 100644
--- a/lib/private/Lock/AbstractLockingProvider.php
+++ b/lib/private/Lock/AbstractLockingProvider.php
@@ -79,6 +79,7 @@ abstract class AbstractLockingProvider implements ILockingProvider {
 	}
 
 	/** @inheritDoc */
+	#[\Override]
 	public function releaseAll(): void {
 		foreach ($this->acquiredLocks['shared'] as $path => $count) {
 			for ($i = 0; $i < $count; $i++) {
diff --git a/lib/private/Lock/DBLockingProvider.php b/lib/private/Lock/DBLockingProvider.php
index cb7f5cff350..ec5d84a5384 100644
--- a/lib/private/Lock/DBLockingProvider.php
+++ b/lib/private/Lock/DBLockingProvider.php
@@ -37,6 +37,7 @@ class DBLockingProvider extends AbstractLockingProvider {
 	}
 
 	/** @inheritDoc */
+	#[\Override]
 	protected function markAcquire(string $path, int $targetType): void {
 		parent::markAcquire($path, $targetType);
 		if ($this->cacheSharedLocks) {
@@ -49,6 +50,7 @@ class DBLockingProvider extends AbstractLockingProvider {
 	/**
 	 * Change the type of an existing tracked lock
 	 */
+	#[\Override]
 	protected function markChange(string $path, int $targetType): void {
 		parent::markChange($path, $targetType);
 		if ($this->cacheSharedLocks) {
@@ -77,6 +79,7 @@ class DBLockingProvider extends AbstractLockingProvider {
 	}
 
 	/** @inheritDoc */
+	#[\Override]
 	public function isLocked(string $path, int $type): bool {
 		if ($this->hasAcquiredLock($path, $type)) {
 			return true;
@@ -102,6 +105,7 @@ class DBLockingProvider extends AbstractLockingProvider {
 	}
 
 	/** @inheritDoc */
+	#[\Override]
 	public function acquireLock(string $path, int $type, ?string $readablePath = null): void {
 		$expire = $this->getExpireTime();
 		if ($type === self::LOCK_SHARED) {
@@ -142,6 +146,7 @@ class DBLockingProvider extends AbstractLockingProvider {
 	}
 
 	/** @inheritDoc */
+	#[\Override]
 	public function releaseLock(string $path, int $type): void {
 		$this->markRelease($path, $type);
 
@@ -164,6 +169,7 @@ class DBLockingProvider extends AbstractLockingProvider {
 	}
 
 	/** @inheritDoc */
+	#[\Override]
 	public function changeLock(string $path, int $targetType): void {
 		$expire = $this->getExpireTime();
 		if ($targetType === self::LOCK_SHARED) {
@@ -212,6 +218,7 @@ class DBLockingProvider extends AbstractLockingProvider {
 	}
 
 	/** @inheritDoc */
+	#[\Override]
 	public function releaseAll(): void {
 		parent::releaseAll();
 
diff --git a/lib/private/Lock/MemcacheLockingProvider.php b/lib/private/Lock/MemcacheLockingProvider.php
index 8cc0c27bbf9..77c61bcfe88 100644
--- a/lib/private/Lock/MemcacheLockingProvider.php
+++ b/lib/private/Lock/MemcacheLockingProvider.php
@@ -47,6 +47,7 @@ class MemcacheLockingProvider extends AbstractLockingProvider {
 		}
 	}
 
+	#[\Override]
 	public function isLocked(string $path, int $type): bool {
 		$lockValue = $this->memcache->get($path);
 		if ($type === self::LOCK_SHARED) {
@@ -58,6 +59,7 @@ class MemcacheLockingProvider extends AbstractLockingProvider {
 		}
 	}
 
+	#[\Override]
 	public function acquireLock(string $path, int $type, ?string $readablePath = null): void {
 		if ($type === self::LOCK_SHARED) {
 			// save the old TTL to for `restoreTTL`
@@ -81,6 +83,7 @@ class MemcacheLockingProvider extends AbstractLockingProvider {
 		$this->markAcquire($path, $type);
 	}
 
+	#[\Override]
 	public function releaseLock(string $path, int $type): void {
 		if ($type === self::LOCK_SHARED) {
 			$ownSharedLockCount = $this->getOwnSharedLockCount($path);
@@ -114,6 +117,7 @@ class MemcacheLockingProvider extends AbstractLockingProvider {
 		$this->markRelease($path, $type);
 	}
 
+	#[\Override]
 	public function changeLock(string $path, int $targetType): void {
 		if ($targetType === self::LOCK_SHARED) {
 			if (!$this->memcache->cas($path, 'exclusive', 1)) {
diff --git a/lib/private/Lock/NoopLockingProvider.php b/lib/private/Lock/NoopLockingProvider.php
index 42f1f9ae5ec..f5cadbf045f 100644
--- a/lib/private/Lock/NoopLockingProvider.php
+++ b/lib/private/Lock/NoopLockingProvider.php
@@ -19,6 +19,7 @@ class NoopLockingProvider implements ILockingProvider {
 	/**
 	 * {@inheritdoc}
 	 */
+	#[\Override]
 	public function isLocked(string $path, int $type): bool {
 		return false;
 	}
@@ -26,6 +27,7 @@ class NoopLockingProvider implements ILockingProvider {
 	/**
 	 * {@inheritdoc}
 	 */
+	#[\Override]
 	public function acquireLock(string $path, int $type, ?string $readablePath = null): void {
 		// do nothing
 	}
@@ -33,6 +35,7 @@ class NoopLockingProvider implements ILockingProvider {
 	/**
 	 * {@inheritdoc}
 	 */
+	#[\Override]
 	public function releaseLock(string $path, int $type): void {
 		// do nothing
 	}
@@ -40,6 +43,7 @@ class NoopLockingProvider implements ILockingProvider {
 	/**1
 	 * {@inheritdoc}
 	 */
+	#[\Override]
 	public function releaseAll(): void {
 		// do nothing
 	}
@@ -47,6 +51,7 @@ class NoopLockingProvider implements ILockingProvider {
 	/**
 	 * {@inheritdoc}
 	 */
+	#[\Override]
 	public function changeLock(string $path, int $targetType): void {
 		// do nothing
 	}
diff --git a/lib/private/Lockdown/Filesystem/NullCache.php b/lib/private/Lockdown/Filesystem/NullCache.php
index b722d719d6a..d5508ae877d 100644
--- a/lib/private/Lockdown/Filesystem/NullCache.php
+++ b/lib/private/Lockdown/Filesystem/NullCache.php
@@ -20,10 +20,12 @@ use OCP\Files\Search\ISearchOperator;
 use OCP\Files\Search\ISearchQuery;
 
 class NullCache implements ICache {
+	#[\Override]
 	public function getNumericStorageId(): int {
 		return -1;
 	}
 
+	#[\Override]
 	public function get($file): false|ICacheEntry {
 		if ($file !== '') {
 			return false;
@@ -44,86 +46,107 @@ class NullCache implements ICache {
 		]);
 	}
 
+	#[\Override]
 	public function getFolderContents(string $folder, ?string $mimeTypeFilter = null): array {
 		return [];
 	}
 
+	#[\Override]
 	public function getFolderContentsById(int $fileId, ?string $mimeTypeFilter = null): array {
 		return [];
 	}
 
+	#[\Override]
 	public function put($file, array $data): never {
 		throw new ForbiddenException('This request is not allowed to access the filesystem');
 	}
 
+	#[\Override]
 	public function insert($file, array $data): never {
 		throw new ForbiddenException('This request is not allowed to access the filesystem');
 	}
 
+	#[\Override]
 	public function update($id, array $data): never {
 		throw new ForbiddenException('This request is not allowed to access the filesystem');
 	}
 
+	#[\Override]
 	public function getId($file) {
 		return -1;
 	}
 
+	#[\Override]
 	public function getParentId($file) {
 		return -1;
 	}
 
+	#[\Override]
 	public function inCache($file) {
 		return $file === '';
 	}
 
+	#[\Override]
 	public function remove($file) {
 		throw new ForbiddenException('This request is not allowed to access the filesystem');
 	}
 
+	#[\Override]
 	public function move($source, $target) {
 		throw new ForbiddenException('This request is not allowed to access the filesystem');
 	}
 
+	#[\Override]
 	public function moveFromCache(ICache $sourceCache, $sourcePath, $targetPath) {
 		throw new ForbiddenException('This request is not allowed to access the filesystem');
 	}
 
+	#[\Override]
 	public function getStatus($file) {
 		return ICache::COMPLETE;
 	}
 
+	#[\Override]
 	public function search($pattern) {
 		return [];
 	}
 
+	#[\Override]
 	public function searchByMime($mimetype) {
 		return [];
 	}
 
+	#[\Override]
 	public function searchQuery(ISearchQuery $query) {
 		return [];
 	}
 
+	#[\Override]
 	public function getIncomplete() {
 		return [];
 	}
 
+	#[\Override]
 	public function getPathById($id) {
 		return '';
 	}
 
+	#[\Override]
 	public function normalize($path) {
 		return $path;
 	}
 
+	#[\Override]
 	public function copyFromCache(ICache $sourceCache, ICacheEntry $sourceEntry, string $targetPath): int {
 		throw new ForbiddenException('This request is not allowed to access the filesystem');
 	}
 
+	#[\Override]
 	public function getQueryFilterForStorage(): ISearchOperator {
 		return new SearchComparison(ISearchComparison::COMPARE_EQUAL, 'storage', -1);
 	}
 
+	#[\Override]
 	public function getCacheEntryFromSearchResult(ICacheEntry $rawEntry): ?ICacheEntry {
 		return null;
 	}
diff --git a/lib/private/Lockdown/Filesystem/NullStorage.php b/lib/private/Lockdown/Filesystem/NullStorage.php
index 727259319ed..5cf32f125d4 100644
--- a/lib/private/Lockdown/Filesystem/NullStorage.php
+++ b/lib/private/Lockdown/Filesystem/NullStorage.php
@@ -18,154 +18,192 @@ class NullStorage extends Common {
 		parent::__construct($parameters);
 	}
 
+	#[\Override]
 	public function getId(): string {
 		return 'null';
 	}
 
+	#[\Override]
 	public function mkdir(string $path): never {
 		throw new ForbiddenException('This request is not allowed to access the filesystem');
 	}
 
+	#[\Override]
 	public function rmdir(string $path): never {
 		throw new ForbiddenException('This request is not allowed to access the filesystem');
 	}
 
+	#[\Override]
 	public function opendir(string $path): IteratorDirectory {
 		return new IteratorDirectory();
 	}
 
+	#[\Override]
 	public function is_dir(string $path): bool {
 		return $path === '';
 	}
 
+	#[\Override]
 	public function is_file(string $path): bool {
 		return false;
 	}
 
+	#[\Override]
 	public function stat(string $path): never {
 		throw new ForbiddenException('This request is not allowed to access the filesystem');
 	}
 
+	#[\Override]
 	public function filetype(string $path): string|false {
 		return ($path === '') ? 'dir' : false;
 	}
 
+	#[\Override]
 	public function filesize(string $path): never {
 		throw new ForbiddenException('This request is not allowed to access the filesystem');
 	}
 
+	#[\Override]
 	public function isCreatable(string $path): bool {
 		return false;
 	}
 
+	#[\Override]
 	public function isReadable(string $path): bool {
 		return $path === '';
 	}
 
+	#[\Override]
 	public function isUpdatable(string $path): bool {
 		return false;
 	}
 
+	#[\Override]
 	public function isDeletable(string $path): bool {
 		return false;
 	}
 
+	#[\Override]
 	public function isSharable(string $path): bool {
 		return false;
 	}
 
+	#[\Override]
 	public function getPermissions(string $path): int {
 		return 0;
 	}
 
+	#[\Override]
 	public function file_exists(string $path): bool {
 		return $path === '';
 	}
 
+	#[\Override]
 	public function filemtime(string $path): int|false {
 		return ($path === '') ? time() : false;
 	}
 
+	#[\Override]
 	public function file_get_contents(string $path): never {
 		throw new ForbiddenException('This request is not allowed to access the filesystem');
 	}
 
+	#[\Override]
 	public function file_put_contents(string $path, mixed $data): never {
 		throw new ForbiddenException('This request is not allowed to access the filesystem');
 	}
 
+	#[\Override]
 	public function unlink(string $path): never {
 		throw new ForbiddenException('This request is not allowed to access the filesystem');
 	}
 
+	#[\Override]
 	public function rename(string $source, string $target): never {
 		throw new ForbiddenException('This request is not allowed to access the filesystem');
 	}
 
+	#[\Override]
 	public function copy(string $source, string $target): never {
 		throw new ForbiddenException('This request is not allowed to access the filesystem');
 	}
 
+	#[\Override]
 	public function fopen(string $path, string $mode): never {
 		throw new ForbiddenException('This request is not allowed to access the filesystem');
 	}
 
+	#[\Override]
 	public function getMimeType(string $path): never {
 		throw new ForbiddenException('This request is not allowed to access the filesystem');
 	}
 
+	#[\Override]
 	public function hash(string $type, string $path, bool $raw = false): never {
 		throw new ForbiddenException('This request is not allowed to access the filesystem');
 	}
 
+	#[\Override]
 	public function free_space(string $path): int {
 		return FileInfo::SPACE_UNKNOWN;
 	}
 
+	#[\Override]
 	public function touch(string $path, ?int $mtime = null): never {
 		throw new ForbiddenException('This request is not allowed to access the filesystem');
 	}
 
+	#[\Override]
 	public function getLocalFile(string $path): string|false {
 		return false;
 	}
 
+	#[\Override]
 	public function hasUpdated(string $path, int $time): bool {
 		return false;
 	}
 
+	#[\Override]
 	public function getETag(string $path): string {
 		return '';
 	}
 
+	#[\Override]
 	public function isLocal(): bool {
 		return false;
 	}
 
+	#[\Override]
 	public function getDirectDownload(string $path): array|false {
 		return false;
 	}
 
+	#[\Override]
 	public function getDirectDownloadById(string $fileId): array|false {
 		return false;
 	}
 
+	#[\Override]
 	public function copyFromStorage(IStorage $sourceStorage, string $sourceInternalPath, string $targetInternalPath, bool $preserveMtime = false): never {
 		throw new ForbiddenException('This request is not allowed to access the filesystem');
 	}
 
+	#[\Override]
 	public function moveFromStorage(IStorage $sourceStorage, string $sourceInternalPath, string $targetInternalPath): never {
 		throw new ForbiddenException('This request is not allowed to access the filesystem');
 	}
 
+	#[\Override]
 	public function test(): bool {
 		return true;
 	}
 
+	#[\Override]
 	public function getOwner(string $path): string|false {
 		return false;
 	}
 
+	#[\Override]
 	public function getCache(string $path = '', ?IStorage $storage = null): ICache {
 		return new NullCache();
 	}
diff --git a/lib/private/Lockdown/LockdownManager.php b/lib/private/Lockdown/LockdownManager.php
index 4f351812bad..9fa4892b548 100644
--- a/lib/private/Lockdown/LockdownManager.php
+++ b/lib/private/Lockdown/LockdownManager.php
@@ -29,6 +29,7 @@ class LockdownManager implements ILockdownManager {
 	}
 
 
+	#[\Override]
 	public function enable() {
 		$this->enabled = true;
 	}
@@ -52,6 +53,7 @@ class LockdownManager implements ILockdownManager {
 		return $this->scope;
 	}
 
+	#[\Override]
 	public function setToken(IToken $token) {
 		$this->scope = $token->getScopeAsArray();
 		$session = $this->getSession();
@@ -59,6 +61,7 @@ class LockdownManager implements ILockdownManager {
 		$this->enable();
 	}
 
+	#[\Override]
 	public function canAccessFilesystem() {
 		$scope = $this->getScopeAsArray();
 		return !$scope || $scope[IToken::SCOPE_FILESYSTEM];
diff --git a/lib/private/Log.php b/lib/private/Log.php
index 8fb376ebb1b..a7b1a5fba0b 100644
--- a/lib/private/Log.php
+++ b/lib/private/Log.php
@@ -367,6 +367,7 @@ class Log implements ILogger, IDataLogger {
 		}
 	}
 
+	#[\Override]
 	public function logData(string $message, array $data, array $context = []): void {
 		$app = $context['app'] ?? 'no app in context';
 		$level = $context['level'] ?? ILogger::ERROR;
diff --git a/lib/private/Log/Errorlog.php b/lib/private/Log/Errorlog.php
index 6188bb70fd5..0a0fa530cb3 100644
--- a/lib/private/Log/Errorlog.php
+++ b/lib/private/Log/Errorlog.php
@@ -25,6 +25,7 @@ class Errorlog extends LogDetails implements IWriter {
 	 *
 	 * @param string|array $message
 	 */
+	#[\Override]
 	public function write(string $app, $message, int $level): void {
 		error_log('[' . $this->tag . '][' . $app . '][' . $level . '] ' . $this->logDetailsAsJSON($app, $message, $level));
 	}
diff --git a/lib/private/Log/File.php b/lib/private/Log/File.php
index 580656ee55a..1ad360784d2 100644
--- a/lib/private/Log/File.php
+++ b/lib/private/Log/File.php
@@ -45,6 +45,7 @@ class File extends LogDetails implements IWriter, IFileBased {
 	 * write a message in the log
 	 * @param string|array $message
 	 */
+	#[\Override]
 	public function write(string $app, $message, int $level): void {
 		$entry = $this->logDetailsAsJSON($app, $message, $level);
 		$handle = @fopen($this->logFile, 'a');
@@ -69,6 +70,7 @@ class File extends LogDetails implements IWriter, IFileBased {
 	/**
 	 * get entries from the log in reverse chronological order
 	 */
+	#[\Override]
 	public function getEntries(int $limit = 50, int $offset = 0): array {
 		$minLevel = $this->config->getValue('loglevel', ILogger::WARN);
 		$entries = [];
@@ -111,6 +113,7 @@ class File extends LogDetails implements IWriter, IFileBased {
 		return $entries;
 	}
 
+	#[\Override]
 	public function getLogFilePath():string {
 		return $this->logFile;
 	}
diff --git a/lib/private/Log/LogFactory.php b/lib/private/Log/LogFactory.php
index 58c4f433ca6..2c995f46e59 100644
--- a/lib/private/Log/LogFactory.php
+++ b/lib/private/Log/LogFactory.php
@@ -24,6 +24,7 @@ class LogFactory implements ILogFactory {
 	/**
 	 * @throws QueryException
 	 */
+	#[\Override]
 	public function get(string $type):IWriter {
 		return match (strtolower($type)) {
 			'errorlog' => new Errorlog($this->systemConfig),
@@ -43,6 +44,7 @@ class LogFactory implements ILogFactory {
 		};
 	}
 
+	#[\Override]
 	public function getCustomPsrLogger(string $path, string $type = 'file', string $tag = 'Nextcloud'): LoggerInterface {
 		$log = $this->createNewLogger($type, $tag, $path);
 		return new PsrLoggerAdapter(
diff --git a/lib/private/Log/PsrLoggerAdapter.php b/lib/private/Log/PsrLoggerAdapter.php
index 888a482b92c..de5b4df5e15 100644
--- a/lib/private/Log/PsrLoggerAdapter.php
+++ b/lib/private/Log/PsrLoggerAdapter.php
@@ -53,6 +53,7 @@ final class PsrLoggerAdapter implements LoggerInterface, IDataLogger {
 	 *
 	 * @param mixed[] $context
 	 */
+	#[\Override]
 	public function emergency(string|Stringable $message, array $context = []): void {
 		$this->log(LogLevel::EMERGENCY, (string)$message, $context);
 	}
@@ -65,6 +66,7 @@ final class PsrLoggerAdapter implements LoggerInterface, IDataLogger {
 	 *
 	 * @param mixed[] $context
 	 */
+	#[\Override]
 	public function alert(string|Stringable $message, array $context = []): void {
 		$this->log(LogLevel::ALERT, (string)$message, $context);
 	}
@@ -76,6 +78,7 @@ final class PsrLoggerAdapter implements LoggerInterface, IDataLogger {
 	 *
 	 * @param mixed[] $context
 	 */
+	#[\Override]
 	public function critical(string|Stringable $message, array $context = []): void {
 		$this->log(LogLevel::CRITICAL, (string)$message, $context);
 	}
@@ -86,6 +89,7 @@ final class PsrLoggerAdapter implements LoggerInterface, IDataLogger {
 	 *
 	 * @param mixed[] $context
 	 */
+	#[\Override]
 	public function error(string|Stringable $message, array $context = []): void {
 		$this->log(LogLevel::ERROR, (string)$message, $context);
 	}
@@ -98,6 +102,7 @@ final class PsrLoggerAdapter implements LoggerInterface, IDataLogger {
 	 *
 	 * @param mixed[] $context
 	 */
+	#[\Override]
 	public function warning(string|Stringable $message, array $context = []): void {
 		$this->log(LogLevel::WARNING, (string)$message, $context);
 	}
@@ -107,6 +112,7 @@ final class PsrLoggerAdapter implements LoggerInterface, IDataLogger {
 	 *
 	 * @param mixed[] $context
 	 */
+	#[\Override]
 	public function notice(string|Stringable $message, array $context = []): void {
 		$this->log(LogLevel::NOTICE, (string)$message, $context);
 	}
@@ -118,6 +124,7 @@ final class PsrLoggerAdapter implements LoggerInterface, IDataLogger {
 	 *
 	 * @param mixed[] $context
 	 */
+	#[\Override]
 	public function info(string|Stringable $message, array $context = []): void {
 		$this->log(LogLevel::INFO, (string)$message, $context);
 	}
@@ -127,6 +134,7 @@ final class PsrLoggerAdapter implements LoggerInterface, IDataLogger {
 	 *
 	 * @param mixed[] $context
 	 */
+	#[\Override]
 	public function debug(string|Stringable $message, array $context = []): void {
 		$this->log(LogLevel::DEBUG, (string)$message, $context);
 	}
@@ -139,6 +147,7 @@ final class PsrLoggerAdapter implements LoggerInterface, IDataLogger {
 	 *
 	 * @throws InvalidArgumentException
 	 */
+	#[\Override]
 	public function log($level, $message, array $context = []): void {
 		if (is_string($level)) {
 			$level = self::logLevelToInt($level);
@@ -162,6 +171,7 @@ final class PsrLoggerAdapter implements LoggerInterface, IDataLogger {
 		}
 	}
 
+	#[\Override]
 	public function logData(string $message, array $data, array $context = []): void {
 		$this->logger->logData($message, $data, $context);
 	}
diff --git a/lib/private/Log/Rotate.php b/lib/private/Log/Rotate.php
index b433d302ccc..1d2f37b1dba 100644
--- a/lib/private/Log/Rotate.php
+++ b/lib/private/Log/Rotate.php
@@ -29,6 +29,7 @@ class Rotate extends TimedJob {
 		$this->setInterval(3600);
 	}
 
+	#[\Override]
 	public function run($argument): void {
 		$config = Server::get(IConfig::class);
 		$this->filePath = $config->getSystemValueString('logfile', $config->getSystemValueString('datadirectory', \OC::$SERVERROOT . '/data') . '/nextcloud.log');
diff --git a/lib/private/Log/Syslog.php b/lib/private/Log/Syslog.php
index 46214599eb8..92305edc17d 100644
--- a/lib/private/Log/Syslog.php
+++ b/lib/private/Log/Syslog.php
@@ -42,6 +42,7 @@ class Syslog extends LogDetails implements IWriter {
 	 * write a message in the log
 	 * @param string|array $message
 	 */
+	#[\Override]
 	public function write(string $app, $message, int $level): void {
 		$syslog_level = $this->levels[$level];
 		openlog($this->tag, LOG_PID | LOG_CONS, LOG_USER);
diff --git a/lib/private/Log/Systemdlog.php b/lib/private/Log/Systemdlog.php
index ffea0511732..8e3a68e2ffb 100644
--- a/lib/private/Log/Systemdlog.php
+++ b/lib/private/Log/Systemdlog.php
@@ -57,6 +57,7 @@ class Systemdlog extends LogDetails implements IWriter {
 	 * Write a message to the log.
 	 * @param string|array $message
 	 */
+	#[\Override]
 	public function write(string $app, $message, int $level): void {
 		$journal_level = $this->levels[$level];
 		sd_journal_send('PRIORITY=' . $journal_level,
diff --git a/lib/private/Mail/Attachment.php b/lib/private/Mail/Attachment.php
index 2a5246c0019..54b0cc76d9a 100644
--- a/lib/private/Mail/Attachment.php
+++ b/lib/private/Mail/Attachment.php
@@ -30,6 +30,7 @@ class Attachment implements IAttachment {
 	 * @return $this
 	 * @since 13.0.0
 	 */
+	#[\Override]
 	public function setFilename(string $filename): IAttachment {
 		$this->name = $filename;
 		return $this;
@@ -39,6 +40,7 @@ class Attachment implements IAttachment {
 	 * @return $this
 	 * @since 13.0.0
 	 */
+	#[\Override]
 	public function setContentType(string $contentType): IAttachment {
 		$this->contentType = $contentType;
 		return $this;
@@ -48,6 +50,7 @@ class Attachment implements IAttachment {
 	 * @return $this
 	 * @since 13.0.0
 	 */
+	#[\Override]
 	public function setBody(string $body): IAttachment {
 		$this->body = $body;
 		return $this;
diff --git a/lib/private/Mail/EMailTemplate.php b/lib/private/Mail/EMailTemplate.php
index a327109cc12..2e4d905cf44 100644
--- a/lib/private/Mail/EMailTemplate.php
+++ b/lib/private/Mail/EMailTemplate.php
@@ -333,6 +333,7 @@ EOF;
 	/**
 	 * Sets the subject of the email
 	 */
+	#[\Override]
 	public function setSubject(string $subject): void {
 		$this->subject = $subject;
 	}
@@ -340,6 +341,7 @@ EOF;
 	/**
 	 * Adds a header to the email
 	 */
+	#[\Override]
 	public function addHeader(): void {
 		if ($this->headerAdded) {
 			return;
@@ -362,6 +364,7 @@ EOF;
 	 * @param string|bool $plainTitle Title that is used in the plain text email
 	 *                                if empty the $title is used, if false none will be used
 	 */
+	#[\Override]
 	public function addHeading(string $title, $plainTitle = ''): void {
 		if ($this->footerAdded) {
 			return;
@@ -395,6 +398,7 @@ EOF;
 	 * @param string|bool $plainText Text that is used in the plain text email
 	 *                               if empty the $text is used, if false none will be used
 	 */
+	#[\Override]
 	public function addBodyText(string $text, $plainText = ''): void {
 		if ($this->footerAdded) {
 			return;
@@ -426,6 +430,7 @@ EOF;
 	 * @param integer $plainIndent plainIndent If > 0, Indent plainText by this amount.
 	 * @since 12.0.0
 	 */
+	#[\Override]
 	public function addBodyListItem(
 		string $text,
 		string $metaInfo = '',
@@ -512,6 +517,7 @@ EOF;
 	 * @param string $plainTextLeft Text of left button that is used in the plain text version - if unset the $textLeft is used
 	 * @param string $plainTextRight Text of right button that is used in the plain text version - if unset the $textRight is used
 	 */
+	#[\Override]
 	public function addBodyButtonGroup(
 		string $textLeft,
 		string $urlLeft,
@@ -554,6 +560,7 @@ EOF;
 	 *
 	 * @since 12.0.0
 	 */
+	#[\Override]
 	public function addBodyButton(string $text, string $url, $plainText = ''): void {
 		if ($this->footerAdded) {
 			return;
@@ -597,6 +604,7 @@ EOF;
 	 *
 	 * @param string $text If the text is empty the default "Name - Slogan<br>This is an automatically sent email" will be used
 	 */
+	#[\Override]
 	public function addFooter(string $text = '', ?string $lang = null): void {
 		if ($text === '') {
 			$l10n = $this->l10nFactory->get('lib', $lang);
@@ -623,6 +631,7 @@ EOF;
 	/**
 	 * Returns the rendered email subject as string
 	 */
+	#[\Override]
 	public function renderSubject(): string {
 		return $this->subject;
 	}
@@ -630,6 +639,7 @@ EOF;
 	/**
 	 * Returns the rendered HTML email as string
 	 */
+	#[\Override]
 	public function renderHtml(): string {
 		if (!$this->footerAdded) {
 			$this->footerAdded = true;
@@ -642,6 +652,7 @@ EOF;
 	/**
 	 * Returns the rendered plain text email as string
 	 */
+	#[\Override]
 	public function renderText(): string {
 		if (!$this->footerAdded) {
 			$this->footerAdded = true;
diff --git a/lib/private/Mail/EmailValidator.php b/lib/private/Mail/EmailValidator.php
index e819817b7a9..82e951ebc1e 100644
--- a/lib/private/Mail/EmailValidator.php
+++ b/lib/private/Mail/EmailValidator.php
@@ -21,6 +21,7 @@ class EmailValidator implements IEmailValidator {
 	) {
 	}
 
+	#[\Override]
 	public function isValid(string $email): bool {
 		if ($email === '') {
 			// Shortcut: empty addresses are never valid
diff --git a/lib/private/Mail/Mailer.php b/lib/private/Mail/Mailer.php
index a7fe5dd7438..99d9cd99f3a 100644
--- a/lib/private/Mail/Mailer.php
+++ b/lib/private/Mail/Mailer.php
@@ -76,6 +76,7 @@ class Mailer implements IMailer {
 	/**
 	 * Creates a new message object that can be passed to send()
 	 */
+	#[\Override]
 	public function createMessage(): Message {
 		$plainTextOnly = $this->config->getSystemValueBool('mail_send_plaintext_only', false);
 		return new Message(new Email(), $plainTextOnly);
@@ -87,6 +88,7 @@ class Mailer implements IMailer {
 	 * @param string|null $contentType
 	 * @since 13.0.0
 	 */
+	#[\Override]
 	public function createAttachment($data = null, $filename = null, $contentType = null): IAttachment {
 		return new Attachment($data, $filename, $contentType);
 	}
@@ -95,6 +97,7 @@ class Mailer implements IMailer {
 	 * @param string|null $contentType
 	 * @since 13.0.0
 	 */
+	#[\Override]
 	public function createAttachmentFromPath(string $path, $contentType = null): IAttachment {
 		return new Attachment(null, null, $contentType, $path);
 	}
@@ -104,6 +107,7 @@ class Mailer implements IMailer {
 	 *
 	 * @since 12.0.0
 	 */
+	#[\Override]
 	public function createEMailTemplate(string $emailId, array $data = []): IEMailTemplate {
 		$logoDimensions = $this->config->getAppValue('theming', 'logoDimensions', self::DEFAULT_DIMENSIONS);
 		if (str_contains($logoDimensions, 'x')) {
@@ -165,6 +169,7 @@ class Mailer implements IMailer {
 	 * @param IMessage $message Message to send
 	 * @return string[] $failedRecipients
 	 */
+	#[\Override]
 	public function send(IMessage $message): array {
 		$debugMode = $this->config->getSystemValueBool('mail_smtpdebug', false);
 
@@ -237,6 +242,7 @@ class Mailer implements IMailer {
 	 * @return bool True if the mail address is valid, false otherwise
 	 * @deprecated 32.0.0 use {@see IEmailValidator::isValid()} instead
 	 */
+	#[\Override]
 	public function validateMailAddress(string $email): bool {
 		return $this->emailValidator->isValid($email);
 	}
diff --git a/lib/private/Mail/Message.php b/lib/private/Mail/Message.php
index 097af11e24c..d27f2e5797d 100644
--- a/lib/private/Mail/Message.php
+++ b/lib/private/Mail/Message.php
@@ -39,6 +39,7 @@ class Message implements IMessage {
 	 * @since 13.0.0
 	 * @return $this
 	 */
+	#[\Override]
 	public function attach(IAttachment $attachment): IMessage {
 		/** @var Attachment $attachment */
 		$attachment->attach($this->symfonyEmail);
@@ -50,6 +51,7 @@ class Message implements IMessage {
 	 * {@inheritDoc}
 	 * @since 26.0.0
 	 */
+	#[\Override]
 	public function attachInline(string $body, string $name, ?string $contentType = null): IMessage {
 		# To be sure this works with iCalendar messages, we encode with 8bit instead of
 		# quoted-printable encoding. We save the current encoder, replace the current
@@ -94,6 +96,7 @@ class Message implements IMessage {
 	 * @param array $addresses Example: array('sender@domain.org', 'other@domain.org' => 'A name')
 	 * @return $this
 	 */
+	#[\Override]
 	public function setFrom(array $addresses): IMessage {
 		$this->from = $addresses;
 		return $this;
@@ -110,6 +113,7 @@ class Message implements IMessage {
 	 * Set the Reply-To address of this message
 	 * @return $this
 	 */
+	#[\Override]
 	public function setReplyTo(array $addresses): IMessage {
 		$this->replyTo = $addresses;
 		return $this;
@@ -128,6 +132,7 @@ class Message implements IMessage {
 	 * @param array $recipients Example: array('recipient@domain.org', 'other@domain.org' => 'A name')
 	 * @return $this
 	 */
+	#[\Override]
 	public function setTo(array $recipients): IMessage {
 		$this->to = $recipients;
 		return $this;
@@ -146,6 +151,7 @@ class Message implements IMessage {
 	 * @param array $recipients Example: array('recipient@domain.org', 'other@domain.org' => 'A name')
 	 * @return $this
 	 */
+	#[\Override]
 	public function setCc(array $recipients): IMessage {
 		$this->cc = $recipients;
 		return $this;
@@ -164,6 +170,7 @@ class Message implements IMessage {
 	 * @param array $recipients Example: array('recipient@domain.org', 'other@domain.org' => 'A name')
 	 * @return $this
 	 */
+	#[\Override]
 	public function setBcc(array $recipients): IMessage {
 		$this->bcc = $recipients;
 		return $this;
@@ -179,6 +186,7 @@ class Message implements IMessage {
 	/**
 	 * @return $this
 	 */
+	#[\Override]
 	public function setSubject(string $subject): IMessage {
 		$this->symfonyEmail->subject($subject);
 		return $this;
@@ -194,6 +202,7 @@ class Message implements IMessage {
 	/**
 	 * @return $this
 	 */
+	#[\Override]
 	public function setPlainBody(string $body): IMessage {
 		$this->symfonyEmail->text($body);
 		return $this;
@@ -211,6 +220,7 @@ class Message implements IMessage {
 	/**
 	 * @return $this
 	 */
+	#[\Override]
 	public function setHtmlBody(string $body): IMessage {
 		if (!$this->plainTextOnly) {
 			$this->symfonyEmail->html($body);
@@ -275,6 +285,7 @@ class Message implements IMessage {
 	/**
 	 * @return $this
 	 */
+	#[\Override]
 	public function useTemplate(IEMailTemplate $emailTemplate): IMessage {
 		$this->setSubject($emailTemplate->renderSubject());
 		$this->setPlainBody($emailTemplate->renderText());
@@ -291,6 +302,7 @@ class Message implements IMessage {
 	 * @param AutoSubmitted::VALUE_* $value (one of AutoSubmitted::VALUE_NO, AutoSubmitted::VALUE_AUTO_GENERATED, AutoSubmitted::VALUE_AUTO_REPLIED)
 	 * @return $this
 	 */
+	#[\Override]
 	public function setAutoSubmitted(string $value): IMessage {
 		$headers = $this->symfonyEmail->getHeaders();
 
diff --git a/lib/private/Mail/Provider/Manager.php b/lib/private/Mail/Provider/Manager.php
index f162d30b834..99f7b21c621 100644
--- a/lib/private/Mail/Provider/Manager.php
+++ b/lib/private/Mail/Provider/Manager.php
@@ -34,6 +34,7 @@ class Manager implements IManager {
 	 *
 	 * @return bool
 	 */
+	#[\Override]
 	public function has(): bool {
 
 		// return true if collection has any providers
@@ -48,6 +49,7 @@ class Manager implements IManager {
 	 *
 	 * @return int
 	 */
+	#[\Override]
 	public function count(): int {
 
 		// return count of providers in collection
@@ -62,6 +64,7 @@ class Manager implements IManager {
 	 *
 	 * @return array<string,string> collection of provider id and label ['jmap' => 'JMap Connector']
 	 */
+	#[\Override]
 	public function types(): array {
 
 		// construct types collection
@@ -82,6 +85,7 @@ class Manager implements IManager {
 	 *
 	 * @return array<string,IProvider> collection of provider id and object ['jmap' => IProviderObject]
 	 */
+	#[\Override]
 	public function providers(): array {
 
 		// evaluate if we already have a cached collection of providers and return the collection if we do
@@ -125,6 +129,7 @@ class Manager implements IManager {
 	 *
 	 * @return IProvider|null
 	 */
+	#[\Override]
 	public function findProviderById(string $providerId): ?IProvider {
 
 		// evaluate if we already have a cached collection of providers
@@ -149,6 +154,7 @@ class Manager implements IManager {
 	 *
 	 * @return array<string,array<string,IService>> collection of provider id, service id and object ['jmap' => ['Service1' => IServiceObject]]
 	 */
+	#[\Override]
 	public function services(string $userId): array {
 
 		// initilize collection
@@ -178,6 +184,7 @@ class Manager implements IManager {
 	 *
 	 * @return IService|null returns service object or null if none found
 	 */
+	#[\Override]
 	public function findServiceById(string $userId, string $serviceId, ?string $providerId = null): ?IService {
 
 		// evaluate if provider id was specified
@@ -222,6 +229,7 @@ class Manager implements IManager {
 	 *
 	 * @return IService|null returns service object or null if none found
 	 */
+	#[\Override]
 	public function findServiceByAddress(string $userId, string $address, ?string $providerId = null): ?IService {
 
 		// evaluate if provider id was specified
diff --git a/lib/private/Memcache/APCu.php b/lib/private/Memcache/APCu.php
index 324218797e5..f7f4f65fa5e 100644
--- a/lib/private/Memcache/APCu.php
+++ b/lib/private/Memcache/APCu.php
@@ -18,6 +18,7 @@ class APCu extends Cache implements IMemcache {
 
 	use CADTrait;
 
+	#[\Override]
 	public function get($key) {
 		$result = apcu_fetch($this->getPrefix() . $key, $success);
 		if (!$success) {
@@ -26,6 +27,7 @@ class APCu extends Cache implements IMemcache {
 		return $result;
 	}
 
+	#[\Override]
 	public function set($key, $value, $ttl = 0) {
 		if ($ttl === 0) {
 			$ttl = self::DEFAULT_TTL;
@@ -33,14 +35,17 @@ class APCu extends Cache implements IMemcache {
 		return apcu_store($this->getPrefix() . $key, $value, $ttl);
 	}
 
+	#[\Override]
 	public function hasKey($key) {
 		return apcu_exists($this->getPrefix() . $key);
 	}
 
+	#[\Override]
 	public function remove($key) {
 		return apcu_delete($this->getPrefix() . $key);
 	}
 
+	#[\Override]
 	public function clear($prefix = '') {
 		$ns = $this->getPrefix() . $prefix;
 		$ns = preg_quote($ns, '/');
@@ -60,6 +65,7 @@ class APCu extends Cache implements IMemcache {
 	 * @param int $ttl Time To Live in seconds. Defaults to 60*60*24
 	 * @return bool
 	 */
+	#[\Override]
 	public function add($key, $value, $ttl = 0) {
 		if ($ttl === 0) {
 			$ttl = self::DEFAULT_TTL;
@@ -74,6 +80,7 @@ class APCu extends Cache implements IMemcache {
 	 * @param int $step
 	 * @return int | bool
 	 */
+	#[\Override]
 	public function inc($key, $step = 1) {
 		$success = null;
 		return apcu_inc($this->getPrefix() . $key, $step, $success, self::DEFAULT_TTL);
@@ -86,6 +93,7 @@ class APCu extends Cache implements IMemcache {
 	 * @param int $step
 	 * @return int | bool
 	 */
+	#[\Override]
 	public function dec($key, $step = 1) {
 		return apcu_exists($this->getPrefix() . $key)
 			? apcu_dec($this->getPrefix() . $key, $step)
@@ -100,6 +108,7 @@ class APCu extends Cache implements IMemcache {
 	 * @param mixed $new
 	 * @return bool
 	 */
+	#[\Override]
 	public function cas($key, $old, $new) {
 		// apc only does cas for ints
 		if (is_int($old) && is_int($new)) {
@@ -109,6 +118,7 @@ class APCu extends Cache implements IMemcache {
 		}
 	}
 
+	#[\Override]
 	public static function isAvailable(): bool {
 		if (!extension_loaded('apcu')) {
 			return false;
diff --git a/lib/private/Memcache/ArrayCache.php b/lib/private/Memcache/ArrayCache.php
index 9b3540b771f..b93211d9143 100644
--- a/lib/private/Memcache/ArrayCache.php
+++ b/lib/private/Memcache/ArrayCache.php
@@ -18,6 +18,7 @@ class ArrayCache extends Cache implements IMemcache {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function get($key) {
 		if ($this->hasKey($key)) {
 			return $this->cachedData[$key];
@@ -28,6 +29,7 @@ class ArrayCache extends Cache implements IMemcache {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function set($key, $value, $ttl = 0) {
 		$this->cachedData[$key] = $value;
 		return true;
@@ -36,6 +38,7 @@ class ArrayCache extends Cache implements IMemcache {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function hasKey($key) {
 		return isset($this->cachedData[$key]);
 	}
@@ -43,6 +46,7 @@ class ArrayCache extends Cache implements IMemcache {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function remove($key) {
 		unset($this->cachedData[$key]);
 		return true;
@@ -51,6 +55,7 @@ class ArrayCache extends Cache implements IMemcache {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function clear($prefix = '') {
 		if ($prefix === '') {
 			$this->cachedData = [];
@@ -73,6 +78,7 @@ class ArrayCache extends Cache implements IMemcache {
 	 * @param int $ttl Time To Live in seconds. Defaults to 60*60*24
 	 * @return bool
 	 */
+	#[\Override]
 	public function add($key, $value, $ttl = 0) {
 		// since this cache is not shared race conditions aren't an issue
 		if ($this->hasKey($key)) {
@@ -89,6 +95,7 @@ class ArrayCache extends Cache implements IMemcache {
 	 * @param int $step
 	 * @return int | bool
 	 */
+	#[\Override]
 	public function inc($key, $step = 1) {
 		$oldValue = $this->get($key);
 		if (is_int($oldValue)) {
@@ -107,6 +114,7 @@ class ArrayCache extends Cache implements IMemcache {
 	 * @param int $step
 	 * @return int | bool
 	 */
+	#[\Override]
 	public function dec($key, $step = 1) {
 		$oldValue = $this->get($key);
 		if (is_int($oldValue)) {
@@ -125,6 +133,7 @@ class ArrayCache extends Cache implements IMemcache {
 	 * @param mixed $new
 	 * @return bool
 	 */
+	#[\Override]
 	public function cas($key, $old, $new) {
 		if ($this->get($key) === $old) {
 			return $this->set($key, $new);
@@ -136,6 +145,7 @@ class ArrayCache extends Cache implements IMemcache {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public static function isAvailable(): bool {
 		return true;
 	}
diff --git a/lib/private/Memcache/Cache.php b/lib/private/Memcache/Cache.php
index 48013e2fe6b..f1a8b0f811c 100644
--- a/lib/private/Memcache/Cache.php
+++ b/lib/private/Memcache/Cache.php
@@ -29,6 +29,7 @@ abstract class Cache implements \ArrayAccess, ICache {
 	 * @param string $key
 	 * @return mixed
 	 */
+	#[\Override]
 	abstract public function get($key);
 
 	/**
@@ -37,32 +38,38 @@ abstract class Cache implements \ArrayAccess, ICache {
 	 * @param int $ttl
 	 * @return mixed
 	 */
+	#[\Override]
 	abstract public function set($key, $value, $ttl = 0);
 
 	/**
 	 * @param string $key
 	 * @return mixed
 	 */
+	#[\Override]
 	abstract public function hasKey($key);
 
 	/**
 	 * @param string $key
 	 * @return mixed
 	 */
+	#[\Override]
 	abstract public function remove($key);
 
 	/**
 	 * @param string $prefix
 	 * @return mixed
 	 */
+	#[\Override]
 	abstract public function clear($prefix = '');
 
 	//implement the ArrayAccess interface
 
+	#[\Override]
 	public function offsetExists($offset): bool {
 		return $this->hasKey($offset);
 	}
 
+	#[\Override]
 	public function offsetSet($offset, $value): void {
 		$this->set($offset, $value);
 	}
@@ -70,11 +77,13 @@ abstract class Cache implements \ArrayAccess, ICache {
 	/**
 	 * @return mixed
 	 */
+	#[\Override]
 	#[\ReturnTypeWillChange]
 	public function offsetGet($offset) {
 		return $this->get($offset);
 	}
 
+	#[\Override]
 	public function offsetUnset($offset): void {
 		$this->remove($offset);
 	}
diff --git a/lib/private/Memcache/Factory.php b/lib/private/Memcache/Factory.php
index 940813536c5..6cefc3d2dbc 100644
--- a/lib/private/Memcache/Factory.php
+++ b/lib/private/Memcache/Factory.php
@@ -161,6 +161,7 @@ class Factory implements ICacheFactory {
 	 * @param string $prefix
 	 * @return IMemcache
 	 */
+	#[\Override]
 	public function createLocking(string $prefix = ''): IMemcache {
 		$cache = new $this->lockingCacheClass($this->getGlobalPrefix() . '/' . $prefix);
 		if ($this->lockingCacheClass === Redis::class) {
@@ -183,6 +184,7 @@ class Factory implements ICacheFactory {
 	 * @param string $prefix
 	 * @return ICache
 	 */
+	#[\Override]
 	public function createDistributed(string $prefix = ''): ICache {
 		$cache = new $this->distributedCacheClass($this->getGlobalPrefix() . '/' . $prefix);
 		if ($this->distributedCacheClass === Redis::class) {
@@ -205,6 +207,7 @@ class Factory implements ICacheFactory {
 	 * @param string $prefix
 	 * @return ICache
 	 */
+	#[\Override]
 	public function createLocal(string $prefix = ''): ICache {
 		$cache = new $this->localCacheClass($this->getGlobalPrefix() . '/' . $prefix);
 		if ($this->localCacheClass === Redis::class) {
@@ -226,10 +229,12 @@ class Factory implements ICacheFactory {
 	 *
 	 * @return bool
 	 */
+	#[\Override]
 	public function isAvailable(): bool {
 		return $this->distributedCacheClass !== self::NULL_CACHE;
 	}
 
+	#[\Override]
 	public function createInMemory(int $capacity = 512): ICache {
 		return new CappedMemoryCache($capacity);
 	}
@@ -239,6 +244,7 @@ class Factory implements ICacheFactory {
 	 *
 	 * @return bool
 	 */
+	#[\Override]
 	public function isLocalCacheAvailable(): bool {
 		return $this->localCacheClass !== self::NULL_CACHE;
 	}
diff --git a/lib/private/Memcache/LoggerWrapperCache.php b/lib/private/Memcache/LoggerWrapperCache.php
index a25185eb8c4..512a8ed2293 100644
--- a/lib/private/Memcache/LoggerWrapperCache.php
+++ b/lib/private/Memcache/LoggerWrapperCache.php
@@ -21,6 +21,7 @@ class LoggerWrapperCache extends Cache implements IMemcacheTTL {
 		parent::__construct($wrappedCache->getPrefix());
 	}
 
+	#[\Override]
 	public function getPrefix(): string {
 		return $this->prefix;
 	}
@@ -30,6 +31,7 @@ class LoggerWrapperCache extends Cache implements IMemcacheTTL {
 	}
 
 	/** @inheritDoc */
+	#[\Override]
 	public function get($key) {
 		file_put_contents(
 			$this->logFile,
@@ -40,6 +42,7 @@ class LoggerWrapperCache extends Cache implements IMemcacheTTL {
 	}
 
 	/** @inheritDoc */
+	#[\Override]
 	public function set($key, $value, $ttl = 0) {
 		file_put_contents(
 			$this->logFile,
@@ -51,6 +54,7 @@ class LoggerWrapperCache extends Cache implements IMemcacheTTL {
 	}
 
 	/** @inheritDoc */
+	#[\Override]
 	public function hasKey($key) {
 		file_put_contents(
 			$this->logFile,
@@ -62,6 +66,7 @@ class LoggerWrapperCache extends Cache implements IMemcacheTTL {
 	}
 
 	/** @inheritDoc */
+	#[\Override]
 	public function remove($key) {
 		file_put_contents(
 			$this->logFile,
@@ -73,6 +78,7 @@ class LoggerWrapperCache extends Cache implements IMemcacheTTL {
 	}
 
 	/** @inheritDoc */
+	#[\Override]
 	public function clear($prefix = '') {
 		file_put_contents(
 			$this->logFile,
@@ -84,6 +90,7 @@ class LoggerWrapperCache extends Cache implements IMemcacheTTL {
 	}
 
 	/** @inheritDoc */
+	#[\Override]
 	public function add($key, $value, $ttl = 0) {
 		file_put_contents(
 			$this->logFile,
@@ -95,6 +102,7 @@ class LoggerWrapperCache extends Cache implements IMemcacheTTL {
 	}
 
 	/** @inheritDoc */
+	#[\Override]
 	public function inc($key, $step = 1) {
 		file_put_contents(
 			$this->logFile,
@@ -106,6 +114,7 @@ class LoggerWrapperCache extends Cache implements IMemcacheTTL {
 	}
 
 	/** @inheritDoc */
+	#[\Override]
 	public function dec($key, $step = 1) {
 		file_put_contents(
 			$this->logFile,
@@ -117,6 +126,7 @@ class LoggerWrapperCache extends Cache implements IMemcacheTTL {
 	}
 
 	/** @inheritDoc */
+	#[\Override]
 	public function cas($key, $old, $new) {
 		file_put_contents(
 			$this->logFile,
@@ -128,6 +138,7 @@ class LoggerWrapperCache extends Cache implements IMemcacheTTL {
 	}
 
 	/** @inheritDoc */
+	#[\Override]
 	public function cad($key, $old) {
 		file_put_contents(
 			$this->logFile,
@@ -139,6 +150,7 @@ class LoggerWrapperCache extends Cache implements IMemcacheTTL {
 	}
 
 	/** @inheritDoc */
+	#[\Override]
 	public function ncad(string $key, mixed $old): bool {
 		file_put_contents(
 			$this->logFile,
@@ -150,18 +162,22 @@ class LoggerWrapperCache extends Cache implements IMemcacheTTL {
 	}
 
 	/** @inheritDoc */
+	#[\Override]
 	public function setTTL(string $key, int $ttl) {
 		$this->wrappedCache->setTTL($key, $ttl);
 	}
 
+	#[\Override]
 	public function getTTL(string $key): int|false {
 		return $this->wrappedCache->getTTL($key);
 	}
 
+	#[\Override]
 	public function compareSetTTL(string $key, mixed $value, int $ttl): bool {
 		return $this->wrappedCache->compareSetTTL($key, $value, $ttl);
 	}
 
+	#[\Override]
 	public static function isAvailable(): bool {
 		return true;
 	}
diff --git a/lib/private/Memcache/Memcached.php b/lib/private/Memcache/Memcached.php
index 044a0fccd25..d6e0e182aca 100644
--- a/lib/private/Memcache/Memcached.php
+++ b/lib/private/Memcache/Memcached.php
@@ -83,6 +83,7 @@ class Memcached extends Cache implements IMemcache {
 		return $this->prefix;
 	}
 
+	#[\Override]
 	public function get($key) {
 		$result = self::$cache->get($this->getNameSpace() . $key);
 		if ($result === false && self::$cache->getResultCode() === \Memcached::RES_NOTFOUND) {
@@ -92,6 +93,7 @@ class Memcached extends Cache implements IMemcache {
 		}
 	}
 
+	#[\Override]
 	public function set($key, $value, $ttl = 0) {
 		if ($ttl > 0) {
 			$result = self::$cache->set($this->getNameSpace() . $key, $value, $ttl);
@@ -101,16 +103,19 @@ class Memcached extends Cache implements IMemcache {
 		return $result || $this->isSuccess();
 	}
 
+	#[\Override]
 	public function hasKey($key) {
 		self::$cache->get($this->getNameSpace() . $key);
 		return self::$cache->getResultCode() === \Memcached::RES_SUCCESS;
 	}
 
+	#[\Override]
 	public function remove($key) {
 		$result = self::$cache->delete($this->getNameSpace() . $key);
 		return $result || $this->isSuccess() || self::$cache->getResultCode() === \Memcached::RES_NOTFOUND;
 	}
 
+	#[\Override]
 	public function clear($prefix = '') {
 		// Newer Memcached doesn't like getAllKeys(), flush everything
 		self::$cache->flush();
@@ -125,6 +130,7 @@ class Memcached extends Cache implements IMemcache {
 	 * @param int $ttl Time To Live in seconds. Defaults to 60*60*24
 	 * @return bool
 	 */
+	#[\Override]
 	public function add($key, $value, $ttl = 0) {
 		$result = self::$cache->add($this->getPrefix() . $key, $value, $ttl);
 		return $result || $this->isSuccess();
@@ -137,6 +143,7 @@ class Memcached extends Cache implements IMemcache {
 	 * @param int $step
 	 * @return int | bool
 	 */
+	#[\Override]
 	public function inc($key, $step = 1) {
 		$this->add($key, 0);
 		$result = self::$cache->increment($this->getPrefix() . $key, $step);
@@ -155,6 +162,7 @@ class Memcached extends Cache implements IMemcache {
 	 * @param int $step
 	 * @return int | bool
 	 */
+	#[\Override]
 	public function dec($key, $step = 1) {
 		$result = self::$cache->decrement($this->getPrefix() . $key, $step);
 
@@ -165,6 +173,7 @@ class Memcached extends Cache implements IMemcache {
 		return $result;
 	}
 
+	#[\Override]
 	public static function isAvailable(): bool {
 		return extension_loaded('memcached');
 	}
diff --git a/lib/private/Memcache/NullCache.php b/lib/private/Memcache/NullCache.php
index 0fc66db82f8..683a71ba2bb 100644
--- a/lib/private/Memcache/NullCache.php
+++ b/lib/private/Memcache/NullCache.php
@@ -12,51 +12,63 @@ namespace OC\Memcache;
 use OCP\IMemcache;
 
 class NullCache extends Cache implements IMemcache {
+	#[\Override]
 	public function get($key) {
 		return null;
 	}
 
+	#[\Override]
 	public function set($key, $value, $ttl = 0) {
 		return true;
 	}
 
+	#[\Override]
 	public function hasKey($key) {
 		return false;
 	}
 
+	#[\Override]
 	public function remove($key) {
 		return true;
 	}
 
+	#[\Override]
 	public function add($key, $value, $ttl = 0) {
 		return true;
 	}
 
+	#[\Override]
 	public function inc($key, $step = 1) {
 		return true;
 	}
 
+	#[\Override]
 	public function dec($key, $step = 1) {
 		return true;
 	}
 
+	#[\Override]
 	public function cas($key, $old, $new) {
 		return true;
 	}
 
+	#[\Override]
 	public function cad($key, $old) {
 		return true;
 	}
 
+	#[\Override]
 	public function ncad(string $key, mixed $old): bool {
 		return true;
 	}
 
 
+	#[\Override]
 	public function clear($prefix = '') {
 		return true;
 	}
 
+	#[\Override]
 	public static function isAvailable(): bool {
 		return true;
 	}
diff --git a/lib/private/Memcache/ProfilerWrapperCache.php b/lib/private/Memcache/ProfilerWrapperCache.php
index c9fb77885b4..49c7eac8d87 100644
--- a/lib/private/Memcache/ProfilerWrapperCache.php
+++ b/lib/private/Memcache/ProfilerWrapperCache.php
@@ -40,6 +40,7 @@ class ProfilerWrapperCache extends AbstractDataCollector implements IMemcacheTTL
 	}
 
 	/** @inheritDoc */
+	#[\Override]
 	public function get($key) {
 		$start = microtime(true);
 		$ret = $this->wrappedCache->get($key);
@@ -58,6 +59,7 @@ class ProfilerWrapperCache extends AbstractDataCollector implements IMemcacheTTL
 	}
 
 	/** @inheritDoc */
+	#[\Override]
 	public function set($key, $value, $ttl = 0) {
 		$start = microtime(true);
 		$ret = $this->wrappedCache->set($key, $value, $ttl);
@@ -70,6 +72,7 @@ class ProfilerWrapperCache extends AbstractDataCollector implements IMemcacheTTL
 	}
 
 	/** @inheritDoc */
+	#[\Override]
 	public function hasKey($key) {
 		$start = microtime(true);
 		$ret = $this->wrappedCache->hasKey($key);
@@ -82,6 +85,7 @@ class ProfilerWrapperCache extends AbstractDataCollector implements IMemcacheTTL
 	}
 
 	/** @inheritDoc */
+	#[\Override]
 	public function remove($key) {
 		$start = microtime(true);
 		$ret = $this->wrappedCache->remove($key);
@@ -94,6 +98,7 @@ class ProfilerWrapperCache extends AbstractDataCollector implements IMemcacheTTL
 	}
 
 	/** @inheritDoc */
+	#[\Override]
 	public function clear($prefix = '') {
 		$start = microtime(true);
 		$ret = $this->wrappedCache->clear($prefix);
@@ -106,6 +111,7 @@ class ProfilerWrapperCache extends AbstractDataCollector implements IMemcacheTTL
 	}
 
 	/** @inheritDoc */
+	#[\Override]
 	public function add($key, $value, $ttl = 0) {
 		$start = microtime(true);
 		$ret = $this->wrappedCache->add($key, $value, $ttl);
@@ -118,6 +124,7 @@ class ProfilerWrapperCache extends AbstractDataCollector implements IMemcacheTTL
 	}
 
 	/** @inheritDoc */
+	#[\Override]
 	public function inc($key, $step = 1) {
 		$start = microtime(true);
 		$ret = $this->wrappedCache->inc($key, $step);
@@ -130,6 +137,7 @@ class ProfilerWrapperCache extends AbstractDataCollector implements IMemcacheTTL
 	}
 
 	/** @inheritDoc */
+	#[\Override]
 	public function dec($key, $step = 1) {
 		$start = microtime(true);
 		$ret = $this->wrappedCache->dec($key, $step);
@@ -142,6 +150,7 @@ class ProfilerWrapperCache extends AbstractDataCollector implements IMemcacheTTL
 	}
 
 	/** @inheritDoc */
+	#[\Override]
 	public function cas($key, $old, $new) {
 		$start = microtime(true);
 		$ret = $this->wrappedCache->cas($key, $old, $new);
@@ -154,6 +163,7 @@ class ProfilerWrapperCache extends AbstractDataCollector implements IMemcacheTTL
 	}
 
 	/** @inheritDoc */
+	#[\Override]
 	public function cad($key, $old) {
 		$start = microtime(true);
 		$ret = $this->wrappedCache->cad($key, $old);
@@ -166,6 +176,7 @@ class ProfilerWrapperCache extends AbstractDataCollector implements IMemcacheTTL
 	}
 
 	/** @inheritDoc */
+	#[\Override]
 	public function ncad(string $key, mixed $old): bool {
 		$start = microtime(true);
 		$ret = $this->wrappedCache->ncad($key, $old);
@@ -178,22 +189,27 @@ class ProfilerWrapperCache extends AbstractDataCollector implements IMemcacheTTL
 	}
 
 	/** @inheritDoc */
+	#[\Override]
 	public function setTTL(string $key, int $ttl) {
 		$this->wrappedCache->setTTL($key, $ttl);
 	}
 
+	#[\Override]
 	public function getTTL(string $key): int|false {
 		return $this->wrappedCache->getTTL($key);
 	}
 
+	#[\Override]
 	public function compareSetTTL(string $key, mixed $value, int $ttl): bool {
 		return $this->wrappedCache->compareSetTTL($key, $value, $ttl);
 	}
 
+	#[\Override]
 	public function offsetExists($offset): bool {
 		return $this->hasKey($offset);
 	}
 
+	#[\Override]
 	public function offsetSet($offset, $value): void {
 		$this->set($offset, $value);
 	}
@@ -201,23 +217,28 @@ class ProfilerWrapperCache extends AbstractDataCollector implements IMemcacheTTL
 	/**
 	 * @return mixed
 	 */
+	#[\Override]
 	#[\ReturnTypeWillChange]
 	public function offsetGet($offset) {
 		return $this->get($offset);
 	}
 
+	#[\Override]
 	public function offsetUnset($offset): void {
 		$this->remove($offset);
 	}
 
+	#[\Override]
 	public function collect(Request $request, Response $response, ?\Throwable $exception = null): void {
 		// Nothing to do here $data is already ready
 	}
 
+	#[\Override]
 	public function getName(): string {
 		return 'cache/' . $this->type . '/' . $this->prefix;
 	}
 
+	#[\Override]
 	public static function isAvailable(): bool {
 		return true;
 	}
diff --git a/lib/private/Memcache/Redis.php b/lib/private/Memcache/Redis.php
index 1611d428f30..03da8e138e7 100644
--- a/lib/private/Memcache/Redis.php
+++ b/lib/private/Memcache/Redis.php
@@ -57,6 +57,7 @@ class Redis extends Cache implements IMemcacheTTL {
 		return self::$cache;
 	}
 
+	#[\Override]
 	public function get($key) {
 		$result = $this->getCache()->get($this->getPrefix() . $key);
 		if ($result === false) {
@@ -66,6 +67,7 @@ class Redis extends Cache implements IMemcacheTTL {
 		return self::decodeValue($result);
 	}
 
+	#[\Override]
 	public function set($key, $value, $ttl = 0) {
 		$value = self::encodeValue($value);
 		if ($ttl === 0) {
@@ -76,10 +78,12 @@ class Redis extends Cache implements IMemcacheTTL {
 		return $this->getCache()->setex($this->getPrefix() . $key, $ttl, $value);
 	}
 
+	#[\Override]
 	public function hasKey($key) {
 		return (bool)$this->getCache()->exists($this->getPrefix() . $key);
 	}
 
+	#[\Override]
 	public function remove($key) {
 		if ($this->getCache()->unlink($this->getPrefix() . $key)) {
 			return true;
@@ -88,6 +92,7 @@ class Redis extends Cache implements IMemcacheTTL {
 		}
 	}
 
+	#[\Override]
 	public function clear($prefix = '') {
 		// TODO: this is slow and would fail with Redis cluster
 		$prefix = $this->getPrefix() . $prefix . '*';
@@ -105,6 +110,7 @@ class Redis extends Cache implements IMemcacheTTL {
 	 * @param int $ttl Time To Live in seconds. Defaults to 60*60*24
 	 * @return bool
 	 */
+	#[\Override]
 	public function add($key, $value, $ttl = 0) {
 		$value = self::encodeValue($value);
 		if ($ttl === 0) {
@@ -126,6 +132,7 @@ class Redis extends Cache implements IMemcacheTTL {
 	 * @param int $step
 	 * @return int | bool
 	 */
+	#[\Override]
 	public function inc($key, $step = 1) {
 		return $this->getCache()->incrBy($this->getPrefix() . $key, $step);
 	}
@@ -137,6 +144,7 @@ class Redis extends Cache implements IMemcacheTTL {
 	 * @param int $step
 	 * @return int | bool
 	 */
+	#[\Override]
 	public function dec($key, $step = 1) {
 		$res = $this->evalLua('dec', [$key], [$step]);
 		return ($res === 'NEX') ? false : $res;
@@ -150,6 +158,7 @@ class Redis extends Cache implements IMemcacheTTL {
 	 * @param mixed $new
 	 * @return bool
 	 */
+	#[\Override]
 	public function cas($key, $old, $new) {
 		$old = self::encodeValue($old);
 		$new = self::encodeValue($new);
@@ -164,18 +173,21 @@ class Redis extends Cache implements IMemcacheTTL {
 	 * @param mixed $old
 	 * @return bool
 	 */
+	#[\Override]
 	public function cad($key, $old) {
 		$old = self::encodeValue($old);
 
 		return $this->evalLua('cad', [$key], [$old]) > 0;
 	}
 
+	#[\Override]
 	public function ncad(string $key, mixed $old): bool {
 		$old = self::encodeValue($old);
 
 		return $this->evalLua('ncad', [$key], [$old]) > 0;
 	}
 
+	#[\Override]
 	public function setTTL($key, $ttl) {
 		if ($ttl === 0) {
 			// having infinite TTL can lead to leaked keys as the prefix changes with version upgrades
@@ -185,17 +197,20 @@ class Redis extends Cache implements IMemcacheTTL {
 		$this->getCache()->expire($this->getPrefix() . $key, $ttl);
 	}
 
+	#[\Override]
 	public function getTTL(string $key): int|false {
 		$ttl = $this->getCache()->ttl($this->getPrefix() . $key);
 		return $ttl > 0 ? (int)$ttl : false;
 	}
 
+	#[\Override]
 	public function compareSetTTL(string $key, mixed $value, int $ttl): bool {
 		$value = self::encodeValue($value);
 
 		return $this->evalLua('caSetTtl', [$key], [$value, $ttl]) > 0;
 	}
 
+	#[\Override]
 	public static function isAvailable(): bool {
 		return Server::get('RedisFactory')->isAvailable();
 	}
diff --git a/lib/private/Memcache/WithLocalCache.php b/lib/private/Memcache/WithLocalCache.php
index 334fa4bc753..339c097f3db 100644
--- a/lib/private/Memcache/WithLocalCache.php
+++ b/lib/private/Memcache/WithLocalCache.php
@@ -22,6 +22,7 @@ class WithLocalCache implements ICache {
 		$this->cached = new CappedMemoryCache($localCapacity);
 	}
 
+	#[\Override]
 	public function get($key) {
 		if (isset($this->cached[$key])) {
 			return $this->cached[$key];
@@ -34,25 +35,30 @@ class WithLocalCache implements ICache {
 		}
 	}
 
+	#[\Override]
 	public function set($key, $value, $ttl = 0) {
 		$this->cached[$key] = $value;
 		return $this->inner->set($key, $value, $ttl);
 	}
 
+	#[\Override]
 	public function hasKey($key) {
 		return isset($this->cached[$key]) || $this->inner->hasKey($key);
 	}
 
+	#[\Override]
 	public function remove($key) {
 		unset($this->cached[$key]);
 		return $this->inner->remove($key);
 	}
 
+	#[\Override]
 	public function clear($prefix = '') {
 		$this->cached->clear();
 		return $this->inner->clear($prefix);
 	}
 
+	#[\Override]
 	public static function isAvailable(): bool {
 		return false;
 	}
diff --git a/lib/private/Migration/BackgroundRepair.php b/lib/private/Migration/BackgroundRepair.php
index d542b82d5e1..ca252962d4e 100644
--- a/lib/private/Migration/BackgroundRepair.php
+++ b/lib/private/Migration/BackgroundRepair.php
@@ -35,6 +35,7 @@ class BackgroundRepair extends TimedJob {
 	 * @param array $argument
 	 * @throws \Exception
 	 */
+	#[\Override]
 	protected function run($argument): void {
 		if (!isset($argument['app']) || !isset($argument['step'])) {
 			// remove the job - we can never execute it
diff --git a/lib/private/Migration/ConsoleOutput.php b/lib/private/Migration/ConsoleOutput.php
index 31412bf4ff0..a97ffe5cb93 100644
--- a/lib/private/Migration/ConsoleOutput.php
+++ b/lib/private/Migration/ConsoleOutput.php
@@ -27,6 +27,7 @@ class ConsoleOutput implements IOutput {
 	) {
 	}
 
+	#[\Override]
 	public function debug(string $message): void {
 		$this->output->writeln($message, OutputInterface::VERBOSITY_VERBOSE);
 	}
@@ -34,6 +35,7 @@ class ConsoleOutput implements IOutput {
 	/**
 	 * @param string $message
 	 */
+	#[\Override]
 	public function info($message): void {
 		$this->output->writeln("<info>$message</info>");
 	}
@@ -41,6 +43,7 @@ class ConsoleOutput implements IOutput {
 	/**
 	 * @param string $message
 	 */
+	#[\Override]
 	public function warning($message): void {
 		$this->output->writeln("<comment>$message</comment>");
 	}
@@ -48,6 +51,7 @@ class ConsoleOutput implements IOutput {
 	/**
 	 * @param int $max
 	 */
+	#[\Override]
 	public function startProgress($max = 0): void {
 		if (!is_null($this->progressBar)) {
 			$this->progressBar->finish();
@@ -60,6 +64,7 @@ class ConsoleOutput implements IOutput {
 	 * @param int $step
 	 * @param string $description
 	 */
+	#[\Override]
 	public function advance($step = 1, $description = ''): void {
 		if (is_null($this->progressBar)) {
 			$this->progressBar = new ProgressBar($this->output);
@@ -71,6 +76,7 @@ class ConsoleOutput implements IOutput {
 		}
 	}
 
+	#[\Override]
 	public function finishProgress(): void {
 		if (is_null($this->progressBar)) {
 			return;
diff --git a/lib/private/Migration/NullOutput.php b/lib/private/Migration/NullOutput.php
index f099d515c77..86b92312534 100644
--- a/lib/private/Migration/NullOutput.php
+++ b/lib/private/Migration/NullOutput.php
@@ -18,21 +18,27 @@ use OCP\Migration\IOutput;
  * @package OC\Migration
  */
 class NullOutput implements IOutput {
+	#[\Override]
 	public function debug(string $message): void {
 	}
 
+	#[\Override]
 	public function info($message): void {
 	}
 
+	#[\Override]
 	public function warning($message): void {
 	}
 
+	#[\Override]
 	public function startProgress($max = 0): void {
 	}
 
+	#[\Override]
 	public function advance($step = 1, $description = ''): void {
 	}
 
+	#[\Override]
 	public function finishProgress(): void {
 	}
 }
diff --git a/lib/private/Migration/SimpleOutput.php b/lib/private/Migration/SimpleOutput.php
index b7a07cc6ff2..48df5e43141 100644
--- a/lib/private/Migration/SimpleOutput.php
+++ b/lib/private/Migration/SimpleOutput.php
@@ -25,6 +25,7 @@ class SimpleOutput implements IOutput {
 	) {
 	}
 
+	#[\Override]
 	public function debug(string $message): void {
 		$this->logger->debug($message, ['app' => $this->appName]);
 	}
@@ -33,6 +34,7 @@ class SimpleOutput implements IOutput {
 	 * @param string $message
 	 * @since 9.1.0
 	 */
+	#[\Override]
 	public function info($message): void {
 		$this->logger->info($message, ['app' => $this->appName]);
 	}
@@ -41,6 +43,7 @@ class SimpleOutput implements IOutput {
 	 * @param string $message
 	 * @since 9.1.0
 	 */
+	#[\Override]
 	public function warning($message): void {
 		$this->logger->warning($message, ['app' => $this->appName]);
 	}
@@ -49,6 +52,7 @@ class SimpleOutput implements IOutput {
 	 * @param int $max
 	 * @since 9.1.0
 	 */
+	#[\Override]
 	public function startProgress($max = 0): void {
 	}
 
@@ -57,12 +61,14 @@ class SimpleOutput implements IOutput {
 	 * @param string $description
 	 * @since 9.1.0
 	 */
+	#[\Override]
 	public function advance($step = 1, $description = ''): void {
 	}
 
 	/**
 	 * @since 9.1.0
 	 */
+	#[\Override]
 	public function finishProgress(): void {
 	}
 }
diff --git a/lib/private/Notification/Action.php b/lib/private/Notification/Action.php
index 0ae86760a32..45e99bf6264 100644
--- a/lib/private/Notification/Action.php
+++ b/lib/private/Notification/Action.php
@@ -21,6 +21,7 @@ class Action implements IAction {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function setLabel(string $label): IAction {
 		if ($label === '' || isset($label[32])) {
 			throw new InvalidValueException('label');
@@ -32,6 +33,7 @@ class Action implements IAction {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function getLabel(): string {
 		return $this->label;
 	}
@@ -39,6 +41,7 @@ class Action implements IAction {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function setParsedLabel(string $label): IAction {
 		if ($label === '') {
 			throw new InvalidValueException('parsedLabel');
@@ -50,6 +53,7 @@ class Action implements IAction {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function getParsedLabel(): string {
 		return $this->labelParsed;
 	}
@@ -57,6 +61,7 @@ class Action implements IAction {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function setPrimary(bool $primary): IAction {
 		$this->primary = $primary;
 		return $this;
@@ -65,6 +70,7 @@ class Action implements IAction {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function isPrimary(): bool {
 		return $this->primary;
 	}
@@ -72,6 +78,7 @@ class Action implements IAction {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function setLink(string $link, string $requestType): IAction {
 		if ($link === '' || isset($link[256])) {
 			throw new InvalidValueException('link');
@@ -99,6 +106,7 @@ class Action implements IAction {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function getLink(): string {
 		return $this->link;
 	}
@@ -106,6 +114,7 @@ class Action implements IAction {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function getRequestType(): string {
 		return $this->requestType;
 	}
@@ -113,6 +122,7 @@ class Action implements IAction {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function isValid(): bool {
 		return $this->label !== '' && $this->link !== '';
 	}
@@ -120,6 +130,7 @@ class Action implements IAction {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function isValidParsed(): bool {
 		return $this->labelParsed !== '' && $this->link !== '';
 	}
diff --git a/lib/private/Notification/Manager.php b/lib/private/Notification/Manager.php
index 24b401a0e90..a1c15759d4f 100644
--- a/lib/private/Notification/Manager.php
+++ b/lib/private/Notification/Manager.php
@@ -77,6 +77,7 @@ class Manager implements IManager {
 	 *                         \InvalidArgumentException is thrown later
 	 * @since 17.0.0
 	 */
+	#[\Override]
 	public function registerApp(string $appClass): void {
 		// other apps may want to rely on the 'main' notification app so make it deterministic that
 		// the 'main' notification app adds it's notifications first and removes it's notifications last
@@ -95,6 +96,7 @@ class Manager implements IManager {
 	 *                                \InvalidArgumentException is thrown later
 	 * @since 17.0.0
 	 */
+	#[\Override]
 	public function registerNotifierService(string $notifierService): void {
 		$this->notifierClasses[] = $notifierService;
 	}
@@ -136,6 +138,7 @@ class Manager implements IManager {
 	/**
 	 * @return INotifier[]
 	 */
+	#[\Override]
 	public function getNotifiers(): array {
 		if (!$this->parsedRegistrationContext) {
 			$notifierServices = $this->coordinator->getRegistrationContext()->getNotifierServices();
@@ -197,6 +200,7 @@ class Manager implements IManager {
 	 * @return INotification
 	 * @since 8.2.0
 	 */
+	#[\Override]
 	public function createNotification(): INotification {
 		return new Notification($this->validator, $this->richTextFormatter);
 	}
@@ -205,6 +209,7 @@ class Manager implements IManager {
 	 * @return bool
 	 * @since 8.2.0
 	 */
+	#[\Override]
 	public function hasNotifiers(): bool {
 		return !empty($this->notifiers)
 			|| !empty($this->notifierClasses)
@@ -215,6 +220,7 @@ class Manager implements IManager {
 	 * @param bool $preparingPushNotification
 	 * @since 14.0.0
 	 */
+	#[\Override]
 	public function setPreparingPushNotification(bool $preparingPushNotification): void {
 		$this->preparingPushNotification = $preparingPushNotification;
 	}
@@ -223,6 +229,7 @@ class Manager implements IManager {
 	 * @return bool
 	 * @since 14.0.0
 	 */
+	#[\Override]
 	public function isPreparingPushNotification(): bool {
 		return $this->preparingPushNotification;
 	}
@@ -232,6 +239,7 @@ class Manager implements IManager {
 	 * @return bool
 	 * @since 20.0.0
 	 */
+	#[\Override]
 	public function defer(): bool {
 		$alreadyDeferring = $this->deferPushing;
 		$this->deferPushing = true;
@@ -250,6 +258,7 @@ class Manager implements IManager {
 	/**
 	 * @since 20.0.0
 	 */
+	#[\Override]
 	public function flush(): void {
 		$apps = array_reverse($this->getApps());
 
@@ -270,6 +279,7 @@ class Manager implements IManager {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function isFairUseOfFreePushService(): bool {
 		$pushAllowed = $this->cache->get('push_fair_use');
 		if ($pushAllowed === null) {
@@ -288,6 +298,7 @@ class Manager implements IManager {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function notify(INotification $notification): void {
 		if (!$notification->isValid()) {
 			throw new IncompleteNotificationException('The given notification is invalid');
@@ -312,6 +323,7 @@ class Manager implements IManager {
 	 * @return string
 	 * @since 17.0.0
 	 */
+	#[\Override]
 	public function getID(): string {
 		return 'core';
 	}
@@ -322,6 +334,7 @@ class Manager implements IManager {
 	 * @return string
 	 * @since 17.0.0
 	 */
+	#[\Override]
 	public function getName(): string {
 		return 'core';
 	}
@@ -329,6 +342,7 @@ class Manager implements IManager {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function prepare(INotification $notification, string $languageCode): INotification {
 		$notifiers = $this->getNotifiers();
 
@@ -360,6 +374,7 @@ class Manager implements IManager {
 		return $notification;
 	}
 
+	#[\Override]
 	public function preloadDataForParsing(
 		array $notifications,
 		string $languageCode,
@@ -378,6 +393,7 @@ class Manager implements IManager {
 	/**
 	 * @param INotification $notification
 	 */
+	#[\Override]
 	public function markProcessed(INotification $notification): void {
 		$apps = array_reverse($this->getApps());
 
@@ -390,6 +406,7 @@ class Manager implements IManager {
 	 * @param INotification $notification
 	 * @return int
 	 */
+	#[\Override]
 	public function getCount(INotification $notification): int {
 		$apps = array_reverse($this->getApps());
 
@@ -404,6 +421,7 @@ class Manager implements IManager {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function dismissNotification(INotification $notification): void {
 		$notifiers = $this->getNotifiers();
 
diff --git a/lib/private/Notification/Notification.php b/lib/private/Notification/Notification.php
index 07d7aef363f..b055b0f9c79 100644
--- a/lib/private/Notification/Notification.php
+++ b/lib/private/Notification/Notification.php
@@ -58,6 +58,7 @@ class Notification implements INotification {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function setApp(string $app): INotification {
 		if ($app === '' || isset($app[32])) {
 			throw new InvalidValueException('app');
@@ -69,6 +70,7 @@ class Notification implements INotification {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function getApp(): string {
 		return $this->app;
 	}
@@ -76,6 +78,7 @@ class Notification implements INotification {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function setUser(string $user): INotification {
 		if ($user === '' || isset($user[64])) {
 			throw new InvalidValueException('user');
@@ -87,6 +90,7 @@ class Notification implements INotification {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function getUser(): string {
 		return $this->user;
 	}
@@ -94,6 +98,7 @@ class Notification implements INotification {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function setDateTime(\DateTime $dateTime): INotification {
 		if ($dateTime->getTimestamp() === 0) {
 			throw new InvalidValueException('dateTime');
@@ -105,6 +110,7 @@ class Notification implements INotification {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function getDateTime(): \DateTime {
 		return $this->dateTime;
 	}
@@ -112,6 +118,7 @@ class Notification implements INotification {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function setObject(string $type, string $id): INotification {
 		if ($type === '' || isset($type[64])) {
 			throw new InvalidValueException('objectType');
@@ -128,6 +135,7 @@ class Notification implements INotification {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function getObjectType(): string {
 		return $this->objectType;
 	}
@@ -135,6 +143,7 @@ class Notification implements INotification {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function getObjectId(): string {
 		return $this->objectId;
 	}
@@ -142,6 +151,7 @@ class Notification implements INotification {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function setSubject(string $subject, array $parameters = []): INotification {
 		if ($subject === '' || isset($subject[64])) {
 			throw new InvalidValueException('subject');
@@ -156,6 +166,7 @@ class Notification implements INotification {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function getSubject(): string {
 		return $this->subject;
 	}
@@ -163,6 +174,7 @@ class Notification implements INotification {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function getSubjectParameters(): array {
 		return $this->subjectParameters;
 	}
@@ -170,6 +182,7 @@ class Notification implements INotification {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function setParsedSubject(string $subject): INotification {
 		if ($subject === '') {
 			throw new InvalidValueException('parsedSubject');
@@ -181,6 +194,7 @@ class Notification implements INotification {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function getParsedSubject(): string {
 		return $this->subjectParsed;
 	}
@@ -188,6 +202,7 @@ class Notification implements INotification {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function setRichSubject(string $subject, array $parameters = []): INotification {
 		if ($subject === '') {
 			throw new InvalidValueException('richSubject');
@@ -210,6 +225,7 @@ class Notification implements INotification {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function getRichSubject(): string {
 		return $this->subjectRich;
 	}
@@ -217,6 +233,7 @@ class Notification implements INotification {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function getRichSubjectParameters(): array {
 		return $this->subjectRichParameters;
 	}
@@ -224,6 +241,7 @@ class Notification implements INotification {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function setMessage(string $message, array $parameters = []): INotification {
 		if ($message === '' || isset($message[64])) {
 			throw new InvalidValueException('message');
@@ -238,6 +256,7 @@ class Notification implements INotification {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function getMessage(): string {
 		return $this->message;
 	}
@@ -245,6 +264,7 @@ class Notification implements INotification {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function getMessageParameters(): array {
 		return $this->messageParameters;
 	}
@@ -252,6 +272,7 @@ class Notification implements INotification {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function setParsedMessage(string $message): INotification {
 		if ($message === '') {
 			throw new InvalidValueException('parsedMessage');
@@ -263,6 +284,7 @@ class Notification implements INotification {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function getParsedMessage(): string {
 		return $this->messageParsed;
 	}
@@ -270,6 +292,7 @@ class Notification implements INotification {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function setRichMessage(string $message, array $parameters = []): INotification {
 		if ($message === '') {
 			throw new InvalidValueException('richMessage');
@@ -292,6 +315,7 @@ class Notification implements INotification {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function getRichMessage(): string {
 		return $this->messageRich;
 	}
@@ -299,6 +323,7 @@ class Notification implements INotification {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function getRichMessageParameters(): array {
 		return $this->messageRichParameters;
 	}
@@ -306,6 +331,7 @@ class Notification implements INotification {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function setLink(string $link): INotification {
 		if ($link === '' || isset($link[4000])) {
 			throw new InvalidValueException('link');
@@ -323,6 +349,7 @@ class Notification implements INotification {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function getLink(): string {
 		return $this->link;
 	}
@@ -330,6 +357,7 @@ class Notification implements INotification {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function setIcon(string $icon): INotification {
 		if ($icon === '' || isset($icon[4000])) {
 			throw new InvalidValueException('icon');
@@ -347,6 +375,7 @@ class Notification implements INotification {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function getIcon(): string {
 		return $this->icon;
 	}
@@ -354,6 +383,7 @@ class Notification implements INotification {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function setPriorityNotification(bool $priorityNotification): INotification {
 		if ($priorityNotification && !in_array($this->getApp(), self::PRIORITY_NOTIFICATION_APPS, true)) {
 			throw new InvalidValueException('priorityNotification');
@@ -366,6 +396,7 @@ class Notification implements INotification {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function isPriorityNotification(): bool {
 		return $this->priorityNotification;
 	}
@@ -373,6 +404,7 @@ class Notification implements INotification {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function createAction(): IAction {
 		return new Action();
 	}
@@ -380,6 +412,7 @@ class Notification implements INotification {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function addAction(IAction $action): INotification {
 		if (!$action->isValid()) {
 			throw new InvalidValueException('action');
@@ -400,6 +433,7 @@ class Notification implements INotification {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function getActions(): array {
 		return $this->actions;
 	}
@@ -407,6 +441,7 @@ class Notification implements INotification {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function addParsedAction(IAction $action): INotification {
 		if (!$action->isValidParsed()) {
 			throw new InvalidValueException('action');
@@ -431,6 +466,7 @@ class Notification implements INotification {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function getParsedActions(): array {
 		return $this->actionsParsed;
 	}
@@ -438,6 +474,7 @@ class Notification implements INotification {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function isValid(): bool {
 		return
 			$this->isValidCommon()
@@ -448,6 +485,7 @@ class Notification implements INotification {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function isValidParsed(): bool {
 		if ($this->getRichSubject() !== '' || !empty($this->getRichSubjectParameters())) {
 			try {
diff --git a/lib/private/OCM/Model/OCMProvider.php b/lib/private/OCM/Model/OCMProvider.php
index bbbace0d882..20d3fbf8360 100644
--- a/lib/private/OCM/Model/OCMProvider.php
+++ b/lib/private/OCM/Model/OCMProvider.php
@@ -38,6 +38,7 @@ class OCMProvider implements IOCMProvider {
 	 *
 	 * @return $this
 	 */
+	#[\Override]
 	public function setEnabled(bool $enabled): static {
 		$this->enabled = $enabled;
 
@@ -47,6 +48,7 @@ class OCMProvider implements IOCMProvider {
 	/**
 	 * @return bool
 	 */
+	#[\Override]
 	public function isEnabled(): bool {
 		return $this->enabled;
 	}
@@ -56,6 +58,7 @@ class OCMProvider implements IOCMProvider {
 	 *
 	 * @return $this
 	 */
+	#[\Override]
 	public function setApiVersion(string $apiVersion): static {
 		$this->apiVersion = $apiVersion;
 
@@ -65,6 +68,7 @@ class OCMProvider implements IOCMProvider {
 	/**
 	 * @return string
 	 */
+	#[\Override]
 	public function getApiVersion(): string {
 		return $this->apiVersion;
 	}
@@ -75,6 +79,7 @@ class OCMProvider implements IOCMProvider {
 	 * @return string
 	 * @since 32.0.0
 	 */
+	#[\Override]
 	public function getInviteAcceptDialog(): string {
 		return $this->inviteAcceptDialog;
 	}
@@ -87,6 +92,7 @@ class OCMProvider implements IOCMProvider {
 	 * @return $this
 	 * @since 32.0.0
 	 */
+	#[\Override]
 	public function setInviteAcceptDialog(string $inviteAcceptDialog): static {
 		$this->inviteAcceptDialog = $inviteAcceptDialog;
 
@@ -98,6 +104,7 @@ class OCMProvider implements IOCMProvider {
 	 *
 	 * @return $this
 	 */
+	#[\Override]
 	public function setEndPoint(string $endPoint): static {
 		$this->endPoint = $endPoint;
 
@@ -107,6 +114,7 @@ class OCMProvider implements IOCMProvider {
 	/**
 	 * @return string
 	 */
+	#[\Override]
 	public function getEndPoint(): string {
 		return $this->endPoint;
 	}
@@ -114,6 +122,7 @@ class OCMProvider implements IOCMProvider {
 	/**
 	 * @return string
 	 */
+	#[\Override]
 	public function getProvider(): string {
 		return $this->provider;
 	}
@@ -123,6 +132,7 @@ class OCMProvider implements IOCMProvider {
 	 *
 	 * @return $this
 	 */
+	#[\Override]
 	public function setCapabilities(array $capabilities): static {
 		$this->capabilities = array_unique(array_merge(
 			$this->capabilities,
@@ -134,6 +144,7 @@ class OCMProvider implements IOCMProvider {
 	/**
 	 * @return array
 	 */
+	#[\Override]
 	public function getCapabilities(): array {
 		return $this->capabilities;
 	}
@@ -142,6 +153,7 @@ class OCMProvider implements IOCMProvider {
 	 * @param string $capability
 	 * @return bool
 	 */
+	#[\Override]
 	public function hasCapability(string $capability): bool {
 		return (in_array($this->normalizeCapability($capability), $this->capabilities, true));
 	}
@@ -155,6 +167,7 @@ class OCMProvider implements IOCMProvider {
 	 * create a new resource to later add it with {@see IOCMProvider::addResourceType()}
 	 * @return IOCMResource
 	 */
+	#[\Override]
 	public function createNewResourceType(): IOCMResource {
 		return new OCMResource();
 	}
@@ -164,6 +177,7 @@ class OCMProvider implements IOCMProvider {
 	 *
 	 * @return $this
 	 */
+	#[\Override]
 	public function addResourceType(IOCMResource $resource): static {
 		$this->resourceTypes[] = $resource;
 
@@ -175,6 +189,7 @@ class OCMProvider implements IOCMProvider {
 	 *
 	 * @return $this
 	 */
+	#[\Override]
 	public function setResourceTypes(array $resourceTypes): static {
 		$this->resourceTypes = $resourceTypes;
 
@@ -184,6 +199,7 @@ class OCMProvider implements IOCMProvider {
 	/**
 	 * @return IOCMResource[]
 	 */
+	#[\Override]
 	public function getResourceTypes(): array {
 		return $this->resourceTypes;
 	}
@@ -195,6 +211,7 @@ class OCMProvider implements IOCMProvider {
 	 * @return string
 	 * @throws OCMArgumentException
 	 */
+	#[\Override]
 	public function extractProtocolEntry(string $resourceName, string $protocol): string {
 		foreach ($this->getResourceTypes() as $resource) {
 			if ($resource->getName() === $resourceName) {
@@ -226,6 +243,7 @@ class OCMProvider implements IOCMProvider {
 	 * @return OCMProvider&static
 	 * @throws OCMProviderException in case a descent provider cannot be generated from data
 	 */
+	#[\Override]
 	public function import(array $data): static {
 		$this->setEnabled(is_bool($data['enabled'] ?? '') ? $data['enabled'] : false)
 			// Fall back to old apiVersion for Nextcloud 30 compatibility
@@ -269,6 +287,7 @@ class OCMProvider implements IOCMProvider {
 	/**
 	 * @since 28.0.0
 	 */
+	#[\Override]
 	public function jsonSerialize(): array {
 		$resourceTypes = [];
 		foreach ($this->getResourceTypes() as $res) {
diff --git a/lib/private/OCM/Model/OCMResource.php b/lib/private/OCM/Model/OCMResource.php
index 3d619db1927..58d8afc4c8f 100644
--- a/lib/private/OCM/Model/OCMResource.php
+++ b/lib/private/OCM/Model/OCMResource.php
@@ -26,6 +26,7 @@ class OCMResource implements IOCMResource {
 	 *
 	 * @return $this
 	 */
+	#[\Override]
 	public function setName(string $name): static {
 		$this->name = $name;
 
@@ -35,6 +36,7 @@ class OCMResource implements IOCMResource {
 	/**
 	 * @return string
 	 */
+	#[\Override]
 	public function getName(): string {
 		return $this->name;
 	}
@@ -44,6 +46,7 @@ class OCMResource implements IOCMResource {
 	 *
 	 * @return $this
 	 */
+	#[\Override]
 	public function setShareTypes(array $shareTypes): static {
 		$this->shareTypes = $shareTypes;
 
@@ -53,6 +56,7 @@ class OCMResource implements IOCMResource {
 	/**
 	 * @return list<string>
 	 */
+	#[\Override]
 	public function getShareTypes(): array {
 		return $this->shareTypes;
 	}
@@ -62,6 +66,7 @@ class OCMResource implements IOCMResource {
 	 *
 	 * @return $this
 	 */
+	#[\Override]
 	public function setProtocols(array $protocols): static {
 		$this->protocols = $protocols;
 
@@ -71,6 +76,7 @@ class OCMResource implements IOCMResource {
 	/**
 	 * @return array<string, string>
 	 */
+	#[\Override]
 	public function getProtocols(): array {
 		return $this->protocols;
 	}
@@ -83,6 +89,7 @@ class OCMResource implements IOCMResource {
 	 * @return $this
 	 * @see self::jsonSerialize()
 	 */
+	#[\Override]
 	public function import(array $data): static {
 		return $this->setName((string)($data['name'] ?? ''))
 			->setShareTypes($data['shareTypes'] ?? [])
@@ -96,6 +103,7 @@ class OCMResource implements IOCMResource {
 	 *     protocols: array<string, string>
 	 * }
 	 */
+	#[\Override]
 	public function jsonSerialize(): array {
 		return [
 			'name' => $this->getName(),
diff --git a/lib/private/OCM/OCMDiscoveryHandler.php b/lib/private/OCM/OCMDiscoveryHandler.php
index b70218151c6..8fbcfd217f5 100644
--- a/lib/private/OCM/OCMDiscoveryHandler.php
+++ b/lib/private/OCM/OCMDiscoveryHandler.php
@@ -21,6 +21,7 @@ class OCMDiscoveryHandler implements IHandler {
 	) {
 	}
 
+	#[\Override]
 	public function handle(string $service, IRequestContext $context, ?IResponse $previousResponse): ?IResponse {
 		if ($service !== 'ocm') {
 			return $previousResponse;
diff --git a/lib/private/OCM/OCMDiscoveryService.php b/lib/private/OCM/OCMDiscoveryService.php
index 17a84c12d50..9459e9a03f0 100644
--- a/lib/private/OCM/OCMDiscoveryService.php
+++ b/lib/private/OCM/OCMDiscoveryService.php
@@ -79,6 +79,7 @@ final class OCMDiscoveryService implements IOCMDiscoveryService {
 	 * @throws OCMProviderException if no valid discovery data can be returned
 	 * @since 28.0.0
 	 */
+	#[\Override]
 	public function discover(string $remote, bool $skipCache = false): IOCMProvider {
 		$remote = rtrim($remote, '/');
 		if (!str_starts_with($remote, 'http://') && !str_starts_with($remote, 'https://')) {
@@ -180,6 +181,7 @@ final class OCMDiscoveryService implements IOCMDiscoveryService {
 	 * @return IOCMProvider
 	 * @since 33.0.0
 	 */
+	#[\Override]
 	public function getLocalOCMProvider(bool $fullDetails = true): IOCMProvider {
 		if ($this->localProvider !== null) {
 			return $this->localProvider;
@@ -249,6 +251,7 @@ final class OCMDiscoveryService implements IOCMDiscoveryService {
 	 * @throws IncomingRequestException
 	 * @since 33.0.0
 	 */
+	#[\Override]
 	public function getIncomingSignedRequest(): ?IIncomingSignedRequest {
 		try {
 			$signedRequest = $this->signatureManager->getIncomingSignedRequest($this->signatoryManager);
@@ -291,6 +294,7 @@ final class OCMDiscoveryService implements IOCMDiscoveryService {
 	 * @throws OCMRequestException on internal issue
 	 * @since 33.0.0
 	 */
+	#[\Override]
 	public function requestRemoteOcmEndpoint(
 		?string $capability,
 		string $remote,
diff --git a/lib/private/OCM/OCMSignatoryManager.php b/lib/private/OCM/OCMSignatoryManager.php
index e9926ff6622..b239a4d1bce 100644
--- a/lib/private/OCM/OCMSignatoryManager.php
+++ b/lib/private/OCM/OCMSignatoryManager.php
@@ -54,6 +54,7 @@ class OCMSignatoryManager implements ISignatoryManager {
 	 * @return string
 	 * @since 31.0.0
 	 */
+	#[\Override]
 	public function getProviderId(): string {
 		return self::PROVIDER_ID;
 	}
@@ -64,6 +65,7 @@ class OCMSignatoryManager implements ISignatoryManager {
 	 * @return array
 	 * @since 31.0.0
 	 */
+	#[\Override]
 	public function getOptions(): array {
 		return [
 			'algorithm' => SignatureAlgorithm::RSA_SHA512,
@@ -83,6 +85,7 @@ class OCMSignatoryManager implements ISignatoryManager {
 	 * @throws IdentityNotFoundException
 	 * @since 31.0.0
 	 */
+	#[\Override]
 	public function getLocalSignatory(): Signatory {
 		/**
 		 * TODO: manage multiple identity (external, internal, ...) to allow a limitation
@@ -144,6 +147,7 @@ class OCMSignatoryManager implements ISignatoryManager {
 	 * @return Signatory|null must be NULL if no signatory is found
 	 * @since 31.0.0
 	 */
+	#[\Override]
 	public function getRemoteSignatory(string $remote): ?Signatory {
 		try {
 			$ocmProvider = Server::get(OCMDiscoveryService::class)->discover($remote, true);
diff --git a/lib/private/OCS/CoreCapabilities.php b/lib/private/OCS/CoreCapabilities.php
index 2729cc738f4..4a697e72c2d 100644
--- a/lib/private/OCS/CoreCapabilities.php
+++ b/lib/private/OCS/CoreCapabilities.php
@@ -40,6 +40,7 @@ class CoreCapabilities implements ICapability {
 	 *     },
 	 * }
 	 */
+	#[\Override]
 	public function getCapabilities(): array {
 		return [
 			'core' => [
diff --git a/lib/private/OCS/DiscoveryService.php b/lib/private/OCS/DiscoveryService.php
index 85686e59b02..26d7abbd0a7 100644
--- a/lib/private/OCS/DiscoveryService.php
+++ b/lib/private/OCS/DiscoveryService.php
@@ -44,6 +44,7 @@ class DiscoveryService implements IDiscoveryService {
 	 * @param bool $skipCache We won't check if the data is in the cache. This is useful if a background job is updating the status
 	 * @return array
 	 */
+	#[\Override]
 	public function discover(string $remote, string $service, bool $skipCache = false): array {
 		// Check the cache first
 		if ($skipCache === false) {
diff --git a/lib/private/OpenMetrics/Exporters/ActiveSessions.php b/lib/private/OpenMetrics/Exporters/ActiveSessions.php
index b95279fa83e..a4bc39bee08 100644
--- a/lib/private/OpenMetrics/Exporters/ActiveSessions.php
+++ b/lib/private/OpenMetrics/Exporters/ActiveSessions.php
@@ -21,22 +21,27 @@ class ActiveSessions implements IMetricFamily {
 	) {
 	}
 
+	#[\Override]
 	public function name(): string {
 		return 'active_sessions';
 	}
 
+	#[\Override]
 	public function type(): MetricType {
 		return MetricType::gauge;
 	}
 
+	#[\Override]
 	public function unit(): string {
 		return 'sessions';
 	}
 
+	#[\Override]
 	public function help(): string {
 		return 'Number of active sessions';
 	}
 
+	#[\Override]
 	public function metrics(): Generator {
 		$now = time();
 		$timeFrames = [
diff --git a/lib/private/OpenMetrics/Exporters/ActiveUsers.php b/lib/private/OpenMetrics/Exporters/ActiveUsers.php
index 43425fd37e2..68a1eb23f9c 100644
--- a/lib/private/OpenMetrics/Exporters/ActiveUsers.php
+++ b/lib/private/OpenMetrics/Exporters/ActiveUsers.php
@@ -21,22 +21,27 @@ class ActiveUsers implements IMetricFamily {
 	) {
 	}
 
+	#[\Override]
 	public function name(): string {
 		return 'active_users';
 	}
 
+	#[\Override]
 	public function type(): MetricType {
 		return MetricType::gauge;
 	}
 
+	#[\Override]
 	public function unit(): string {
 		return 'users';
 	}
 
+	#[\Override]
 	public function help(): string {
 		return 'Number of active users';
 	}
 
+	#[\Override]
 	public function metrics(): Generator {
 		$now = time();
 		$timeFrames = [
diff --git a/lib/private/OpenMetrics/Exporters/LogLevel.php b/lib/private/OpenMetrics/Exporters/LogLevel.php
index e073b5d7ba2..ac2d62a911f 100644
--- a/lib/private/OpenMetrics/Exporters/LogLevel.php
+++ b/lib/private/OpenMetrics/Exporters/LogLevel.php
@@ -22,22 +22,27 @@ class LogLevel implements IMetricFamily {
 	) {
 	}
 
+	#[\Override]
 	public function name(): string {
 		return 'log_level';
 	}
 
+	#[\Override]
 	public function type(): MetricType {
 		return MetricType::gauge;
 	}
 
+	#[\Override]
 	public function unit(): string {
 		return '';
 	}
 
+	#[\Override]
 	public function help(): string {
 		return 'Current log level (lower level means more logs)';
 	}
 
+	#[\Override]
 	public function metrics(): Generator {
 		yield new Metric((int)$this->config->getSystemValue('loglevel', ILogger::WARN));
 	}
diff --git a/lib/private/OpenMetrics/Exporters/Maintenance.php b/lib/private/OpenMetrics/Exporters/Maintenance.php
index 89b53547e33..a0086cd70b5 100644
--- a/lib/private/OpenMetrics/Exporters/Maintenance.php
+++ b/lib/private/OpenMetrics/Exporters/Maintenance.php
@@ -21,6 +21,7 @@ use Override;
  * Export maintenance state
  */
 class Maintenance implements IMetricFamily {
+	#[\Override]
 	public function name(): string {
 		return 'maintenance';
 	}
diff --git a/lib/private/PhoneNumberUtil.php b/lib/private/PhoneNumberUtil.php
index e53c7a51a1b..8e4405ff74f 100644
--- a/lib/private/PhoneNumberUtil.php
+++ b/lib/private/PhoneNumberUtil.php
@@ -19,6 +19,7 @@ class PhoneNumberUtil implements IPhoneNumberUtil {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function getCountryCodeForRegion(string $regionCode): ?int {
 		$phoneUtil = \libphonenumber\PhoneNumberUtil::getInstance();
 		$countryCode = $phoneUtil->getCountryCodeForRegion($regionCode);
@@ -28,6 +29,7 @@ class PhoneNumberUtil implements IPhoneNumberUtil {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function convertToStandardFormat(string $input, ?string $defaultRegion = null): ?string {
 		$phoneUtil = \libphonenumber\PhoneNumberUtil::getInstance();
 		try {
diff --git a/lib/private/Preview/BMP.php b/lib/private/Preview/BMP.php
index b4d4d5829cb..624bd051c44 100644
--- a/lib/private/Preview/BMP.php
+++ b/lib/private/Preview/BMP.php
@@ -13,6 +13,7 @@ class BMP extends Image {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function getMimeType(): string {
 		return '/image\/bmp/';
 	}
diff --git a/lib/private/Preview/BackgroundCleanupJob.php b/lib/private/Preview/BackgroundCleanupJob.php
index 70579d3b9d1..b853e98114f 100644
--- a/lib/private/Preview/BackgroundCleanupJob.php
+++ b/lib/private/Preview/BackgroundCleanupJob.php
@@ -32,6 +32,7 @@ class BackgroundCleanupJob extends TimedJob {
 		$this->setTimeSensitivity(self::TIME_INSENSITIVE);
 	}
 
+	#[\Override]
 	public function run($argument): void {
 		foreach ($this->getDeletedFiles() as $fileId) {
 			$previewIds = [];
diff --git a/lib/private/Preview/Bitmap.php b/lib/private/Preview/Bitmap.php
index 9585b8a1f39..a9f5004201b 100644
--- a/lib/private/Preview/Bitmap.php
+++ b/lib/private/Preview/Bitmap.php
@@ -35,6 +35,7 @@ abstract class Bitmap extends ProviderV2 {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function getThumbnail(File $file, int $maxX, int $maxY): ?IImage {
 		$tmpPath = $this->getLocalFile($file);
 		if ($tmpPath === false) {
diff --git a/lib/private/Preview/Db/PreviewMapper.php b/lib/private/Preview/Db/PreviewMapper.php
index 05c1d4695f2..0d9699a5015 100644
--- a/lib/private/Preview/Db/PreviewMapper.php
+++ b/lib/private/Preview/Db/PreviewMapper.php
@@ -38,6 +38,7 @@ class PreviewMapper extends QBMapper {
 		parent::__construct($db, self::TABLE_NAME, Preview::class);
 	}
 
+	#[\Override]
 	protected function mapRowToEntity(array $row): Entity {
 		$row['mimetype'] = $this->mimeTypeLoader->getMimetypeById((int)$row['mimetype_id']);
 		$row['source_mimetype'] = $this->mimeTypeLoader->getMimetypeById((int)$row['source_mimetype_id']);
diff --git a/lib/private/Preview/EMF.php b/lib/private/Preview/EMF.php
index a3c48e7d8aa..84d8a5cd9b6 100644
--- a/lib/private/Preview/EMF.php
+++ b/lib/private/Preview/EMF.php
@@ -10,6 +10,7 @@ declare(strict_types=1);
 namespace OC\Preview;
 
 class EMF extends Office {
+	#[\Override]
 	public function getMimeType(): string {
 		return '/image\/emf/';
 	}
diff --git a/lib/private/Preview/Font.php b/lib/private/Preview/Font.php
index 85f5d1f78d1..312d5de2bb8 100644
--- a/lib/private/Preview/Font.php
+++ b/lib/private/Preview/Font.php
@@ -14,6 +14,7 @@ class Font extends Bitmap {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function getMimeType(): string {
 		return '/application\/(?:font-sfnt|x-font$)/';
 	}
@@ -21,6 +22,7 @@ class Font extends Bitmap {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	protected function getAllowedMimeTypes(): string {
 		return '/(application|image)\/(?:font-sfnt|x-font|x-otf|x-ttf|x-pfb$)/';
 	}
diff --git a/lib/private/Preview/GIF.php b/lib/private/Preview/GIF.php
index be54bf8659c..e1d632fb4ec 100644
--- a/lib/private/Preview/GIF.php
+++ b/lib/private/Preview/GIF.php
@@ -13,6 +13,7 @@ class GIF extends Image {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function getMimeType(): string {
 		return '/image\/gif/';
 	}
diff --git a/lib/private/Preview/HEIC.php b/lib/private/Preview/HEIC.php
index f2b6cc7254e..413a3ef9e1e 100644
--- a/lib/private/Preview/HEIC.php
+++ b/lib/private/Preview/HEIC.php
@@ -25,6 +25,7 @@ class HEIC extends ProviderV2 {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function getMimeType(): string {
 		return '/image\/(x-)?hei(f|c)/';
 	}
@@ -32,6 +33,7 @@ class HEIC extends ProviderV2 {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function isAvailable(FileInfo $file): bool {
 		return in_array('HEIC', \Imagick::queryFormats('HEI*'));
 	}
@@ -39,6 +41,7 @@ class HEIC extends ProviderV2 {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function getThumbnail(File $file, int $maxX, int $maxY): ?IImage {
 		if (!$this->isAvailable($file)) {
 			return null;
diff --git a/lib/private/Preview/Illustrator.php b/lib/private/Preview/Illustrator.php
index 937da1d9f87..fdbe68542c7 100644
--- a/lib/private/Preview/Illustrator.php
+++ b/lib/private/Preview/Illustrator.php
@@ -14,6 +14,7 @@ class Illustrator extends Bitmap {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function getMimeType(): string {
 		return '/application\/illustrator/';
 	}
@@ -21,6 +22,7 @@ class Illustrator extends Bitmap {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	protected function getAllowedMimeTypes(): string {
 		return '/application\/(illustrator|pdf)/';
 	}
diff --git a/lib/private/Preview/Image.php b/lib/private/Preview/Image.php
index 25c74b5fdef..8a299bd2848 100644
--- a/lib/private/Preview/Image.php
+++ b/lib/private/Preview/Image.php
@@ -17,6 +17,7 @@ abstract class Image extends ProviderV2 {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function getThumbnail(File $file, int $maxX, int $maxY): ?IImage {
 		$maxSizeForImages = Server::get(IConfig::class)->getSystemValueInt('preview_max_filesize_image', 50);
 		$size = $file->getSize();
diff --git a/lib/private/Preview/Imaginary.php b/lib/private/Preview/Imaginary.php
index bd5645d417e..e029823a9cf 100644
--- a/lib/private/Preview/Imaginary.php
+++ b/lib/private/Preview/Imaginary.php
@@ -37,6 +37,7 @@ class Imaginary extends ProviderV2 {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function getMimeType(): string {
 		return self::supportedMimeTypes();
 	}
@@ -186,6 +187,7 @@ class Imaginary extends ProviderV2 {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function getThumbnail(File $file, int $maxX, int $maxY): ?IImage {
 		return $this->getCroppedThumbnail($file, $maxX, $maxY, false);
 	}
diff --git a/lib/private/Preview/ImaginaryPDF.php b/lib/private/Preview/ImaginaryPDF.php
index 2786700f5a7..0eb2cd970f2 100644
--- a/lib/private/Preview/ImaginaryPDF.php
+++ b/lib/private/Preview/ImaginaryPDF.php
@@ -9,6 +9,7 @@ declare(strict_types=1);
 namespace OC\Preview;
 
 class ImaginaryPDF extends Imaginary {
+	#[\Override]
 	public static function supportedMimeTypes(): string {
 		return '/application\/pdf/';
 	}
diff --git a/lib/private/Preview/JPEG.php b/lib/private/Preview/JPEG.php
index 97a6a0c94c1..4121e664941 100644
--- a/lib/private/Preview/JPEG.php
+++ b/lib/private/Preview/JPEG.php
@@ -13,6 +13,7 @@ class JPEG extends Image {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function getMimeType(): string {
 		return '/image\/jpeg/';
 	}
diff --git a/lib/private/Preview/Krita.php b/lib/private/Preview/Krita.php
index 8654698c125..736f317f6da 100644
--- a/lib/private/Preview/Krita.php
+++ b/lib/private/Preview/Krita.php
@@ -15,6 +15,7 @@ class Krita extends Bundled {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function getMimeType(): string {
 		return '/application\/x-krita/';
 	}
@@ -23,6 +24,7 @@ class Krita extends Bundled {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function getThumbnail(File $file, int $maxX, int $maxY): ?IImage {
 		$image = $this->extractThumbnail($file, 'mergedimage.png');
 		if (($image !== null) && $image->valid()) {
diff --git a/lib/private/Preview/MP3.php b/lib/private/Preview/MP3.php
index dd3e809a7de..ed2a904194a 100644
--- a/lib/private/Preview/MP3.php
+++ b/lib/private/Preview/MP3.php
@@ -19,6 +19,7 @@ class MP3 extends ProviderV2 {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function getMimeType(): string {
 		return '/audio\/mpeg/';
 	}
@@ -26,6 +27,7 @@ class MP3 extends ProviderV2 {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function getThumbnail(File $file, int $maxX, int $maxY): ?IImage {
 		$tmpPath = $this->getLocalFile($file);
 		if ($tmpPath === false) {
diff --git a/lib/private/Preview/MSOffice2003.php b/lib/private/Preview/MSOffice2003.php
index 977ebf467bf..844ee3ead71 100644
--- a/lib/private/Preview/MSOffice2003.php
+++ b/lib/private/Preview/MSOffice2003.php
@@ -14,6 +14,7 @@ class MSOffice2003 extends Office {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function getMimeType(): string {
 		return '/application\/vnd.ms-.*/';
 	}
diff --git a/lib/private/Preview/MSOffice2007.php b/lib/private/Preview/MSOffice2007.php
index 6ccf70be0c2..6b979f16962 100644
--- a/lib/private/Preview/MSOffice2007.php
+++ b/lib/private/Preview/MSOffice2007.php
@@ -14,6 +14,7 @@ class MSOffice2007 extends Office {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function getMimeType(): string {
 		return '/application\/vnd.openxmlformats-officedocument.*/';
 	}
diff --git a/lib/private/Preview/MSOfficeDoc.php b/lib/private/Preview/MSOfficeDoc.php
index 479e9170689..807c07c5fc5 100644
--- a/lib/private/Preview/MSOfficeDoc.php
+++ b/lib/private/Preview/MSOfficeDoc.php
@@ -14,6 +14,7 @@ class MSOfficeDoc extends Office {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function getMimeType(): string {
 		return '/application\/msword/';
 	}
diff --git a/lib/private/Preview/MarkDown.php b/lib/private/Preview/MarkDown.php
index d8ae8c48ea9..7dba88278d9 100644
--- a/lib/private/Preview/MarkDown.php
+++ b/lib/private/Preview/MarkDown.php
@@ -15,10 +15,12 @@ class MarkDown extends TXT {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function getMimeType(): string {
 		return '/text\/(x-)?markdown/';
 	}
 
+	#[\Override]
 	public function getThumbnail(File $file, int $maxX, int $maxY): ?IImage {
 		$content = $file->fopen('r');
 
diff --git a/lib/private/Preview/MimeIconProvider.php b/lib/private/Preview/MimeIconProvider.php
index d1963fe882b..4c6ed18ab83 100644
--- a/lib/private/Preview/MimeIconProvider.php
+++ b/lib/private/Preview/MimeIconProvider.php
@@ -23,6 +23,7 @@ class MimeIconProvider implements IMimeIconProvider {
 	) {
 	}
 
+	#[\Override]
 	public function getMimeIconUrl(string $mime): ?string {
 		if (!$mime) {
 			return null;
diff --git a/lib/private/Preview/Movie.php b/lib/private/Preview/Movie.php
index ea14423505a..f34bf60c147 100644
--- a/lib/private/Preview/Movie.php
+++ b/lib/private/Preview/Movie.php
@@ -27,6 +27,7 @@ class Movie extends ProviderV2 {
 		$this->config = Server::get(IConfig::class);
 	}
 
+	#[\Override]
 	public function getMimeType(): string {
 		return '/video\/.*/';
 	}
@@ -34,6 +35,7 @@ class Movie extends ProviderV2 {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function isAvailable(FileInfo $file): bool {
 		if (is_null($this->binary)) {
 			if (isset($this->options['movieBinary'])) {
@@ -63,6 +65,7 @@ class Movie extends ProviderV2 {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function getThumbnail(File $file, int $maxX, int $maxY): ?IImage {
 		// TODO: use proc_open() and stream the source file ?
 
diff --git a/lib/private/Preview/Office.php b/lib/private/Preview/Office.php
index c67e4829db8..d1879a96622 100644
--- a/lib/private/Preview/Office.php
+++ b/lib/private/Preview/Office.php
@@ -19,6 +19,7 @@ abstract class Office extends ProviderV2 {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function isAvailable(FileInfo $file): bool {
 		return is_string($this->options['officeBinary']);
 	}
@@ -26,6 +27,7 @@ abstract class Office extends ProviderV2 {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function getThumbnail(File $file, int $maxX, int $maxY): ?IImage {
 		if (!$this->isAvailable($file)) {
 			return null;
diff --git a/lib/private/Preview/OpenDocument.php b/lib/private/Preview/OpenDocument.php
index 8eea9fecce7..a574bb41311 100644
--- a/lib/private/Preview/OpenDocument.php
+++ b/lib/private/Preview/OpenDocument.php
@@ -17,6 +17,7 @@ class OpenDocument extends Bundled {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function getMimeType(): string {
 		return '/application\/vnd.oasis.opendocument.*/';
 	}
@@ -25,6 +26,7 @@ class OpenDocument extends Bundled {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function getThumbnail(File $file, int $maxX, int $maxY): ?IImage {
 		$image = $this->extractThumbnail($file, 'Thumbnails/thumbnail.png');
 		if (($image !== null) && $image->valid()) {
diff --git a/lib/private/Preview/PDF.php b/lib/private/Preview/PDF.php
index dc8b37079b3..2aab2385569 100644
--- a/lib/private/Preview/PDF.php
+++ b/lib/private/Preview/PDF.php
@@ -14,6 +14,7 @@ class PDF extends Bitmap {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function getMimeType(): string {
 		return '/application\/pdf/';
 	}
@@ -21,6 +22,7 @@ class PDF extends Bitmap {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	protected function getAllowedMimeTypes(): string {
 		return '/application\/pdf/';
 	}
diff --git a/lib/private/Preview/PNG.php b/lib/private/Preview/PNG.php
index 5e2750c4f14..1569a4283fa 100644
--- a/lib/private/Preview/PNG.php
+++ b/lib/private/Preview/PNG.php
@@ -13,6 +13,7 @@ class PNG extends Image {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function getMimeType(): string {
 		return '/image\/png/';
 	}
diff --git a/lib/private/Preview/Photoshop.php b/lib/private/Preview/Photoshop.php
index dcb893626c8..fea1bcf9a0d 100644
--- a/lib/private/Preview/Photoshop.php
+++ b/lib/private/Preview/Photoshop.php
@@ -14,6 +14,7 @@ class Photoshop extends Bitmap {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function getMimeType(): string {
 		return '/application\/x-photoshop/';
 	}
@@ -21,6 +22,7 @@ class Photoshop extends Bitmap {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	protected function getAllowedMimeTypes(): string {
 		return '/(application|image)\/(x-photoshop|x-psd)/';
 	}
diff --git a/lib/private/Preview/Postscript.php b/lib/private/Preview/Postscript.php
index b03db86e5f8..49b3ff5af22 100644
--- a/lib/private/Preview/Postscript.php
+++ b/lib/private/Preview/Postscript.php
@@ -14,6 +14,7 @@ class Postscript extends Bitmap {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function getMimeType(): string {
 		return '/application\/postscript/';
 	}
@@ -21,6 +22,7 @@ class Postscript extends Bitmap {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	protected function getAllowedMimeTypes(): string {
 		return '/(application\/postscript|image\/x-eps)/';
 	}
diff --git a/lib/private/Preview/ProviderV2.php b/lib/private/Preview/ProviderV2.php
index 9e1a6fcefcd..d0e013a3030 100644
--- a/lib/private/Preview/ProviderV2.php
+++ b/lib/private/Preview/ProviderV2.php
@@ -28,6 +28,7 @@ abstract class ProviderV2 implements IProviderV2 {
 	/**
 	 * @return string Regex with the mimetypes that are supported by this provider
 	 */
+	#[\Override]
 	abstract public function getMimeType(): string ;
 
 	/**
@@ -36,6 +37,7 @@ abstract class ProviderV2 implements IProviderV2 {
 	 * @param FileInfo $file
 	 * @return bool
 	 */
+	#[\Override]
 	public function isAvailable(FileInfo $file): bool {
 		return true;
 	}
@@ -49,6 +51,7 @@ abstract class ProviderV2 implements IProviderV2 {
 	 * @return null|IImage null if no preview was generated
 	 * @since 17.0.0
 	 */
+	#[\Override]
 	abstract public function getThumbnail(File $file, int $maxX, int $maxY): ?IImage;
 
 	protected function useTempFile(File $file): bool {
diff --git a/lib/private/Preview/SGI.php b/lib/private/Preview/SGI.php
index 64e1ed2863d..b27a270034d 100644
--- a/lib/private/Preview/SGI.php
+++ b/lib/private/Preview/SGI.php
@@ -13,6 +13,7 @@ class SGI extends Bitmap {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function getMimeType(): string {
 		return '/image\/(x-)?sgi/';
 	}
@@ -20,6 +21,7 @@ class SGI extends Bitmap {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	protected function getAllowedMimeTypes(): string {
 		return '/image\/(x-)?sgi/';
 	}
diff --git a/lib/private/Preview/SVG.php b/lib/private/Preview/SVG.php
index be9b88fcc40..c23553090d5 100644
--- a/lib/private/Preview/SVG.php
+++ b/lib/private/Preview/SVG.php
@@ -17,6 +17,7 @@ class SVG extends ProviderV2 {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function getMimeType(): string {
 		return '/image\/svg\+xml/';
 	}
@@ -24,6 +25,7 @@ class SVG extends ProviderV2 {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function getThumbnail(File $file, int $maxX, int $maxY): ?IImage {
 		try {
 			$content = stream_get_contents($file->fopen('r'));
diff --git a/lib/private/Preview/StarOffice.php b/lib/private/Preview/StarOffice.php
index e2d2b10dfce..2306ea2fb57 100644
--- a/lib/private/Preview/StarOffice.php
+++ b/lib/private/Preview/StarOffice.php
@@ -14,6 +14,7 @@ class StarOffice extends Office {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function getMimeType(): string {
 		return '/application\/vnd.sun.xml.*/';
 	}
diff --git a/lib/private/Preview/TGA.php b/lib/private/Preview/TGA.php
index 24e55a09d90..98ae85ad865 100644
--- a/lib/private/Preview/TGA.php
+++ b/lib/private/Preview/TGA.php
@@ -13,6 +13,7 @@ class TGA extends Bitmap {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function getMimeType(): string {
 		return '/image\/(x-)?t(ar)?ga/';
 	}
@@ -20,6 +21,7 @@ class TGA extends Bitmap {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	protected function getAllowedMimeTypes(): string {
 		return '/image\/(x-)?t(ar)?ga/';
 	}
diff --git a/lib/private/Preview/TIFF.php b/lib/private/Preview/TIFF.php
index 866e26cc3d8..f04f56c3343 100644
--- a/lib/private/Preview/TIFF.php
+++ b/lib/private/Preview/TIFF.php
@@ -14,6 +14,7 @@ class TIFF extends Bitmap {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function getMimeType(): string {
 		return '/image\/tiff/';
 	}
@@ -21,6 +22,7 @@ class TIFF extends Bitmap {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	protected function getAllowedMimeTypes(): string {
 		return '/image\/tiff/';
 	}
diff --git a/lib/private/Preview/TXT.php b/lib/private/Preview/TXT.php
index 2d407d88b56..95977e3e5d7 100644
--- a/lib/private/Preview/TXT.php
+++ b/lib/private/Preview/TXT.php
@@ -16,6 +16,7 @@ class TXT extends ProviderV2 {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function getMimeType(): string {
 		return '/text\/plain/';
 	}
@@ -23,6 +24,7 @@ class TXT extends ProviderV2 {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function isAvailable(FileInfo $file): bool {
 		return $file->getSize() > 0;
 	}
@@ -30,6 +32,7 @@ class TXT extends ProviderV2 {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function getThumbnail(File $file, int $maxX, int $maxY): ?IImage {
 		if (!$this->isAvailable($file)) {
 			return null;
diff --git a/lib/private/Preview/WebP.php b/lib/private/Preview/WebP.php
index 25b922e9190..4edc21aa97f 100644
--- a/lib/private/Preview/WebP.php
+++ b/lib/private/Preview/WebP.php
@@ -14,10 +14,12 @@ class WebP extends Image {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function getMimeType(): string {
 		return '/image\/webp/';
 	}
 
+	#[\Override]
 	public function isAvailable(FileInfo $file): bool {
 		return (bool)(imagetypes() & IMG_WEBP);
 	}
diff --git a/lib/private/Preview/XBitmap.php b/lib/private/Preview/XBitmap.php
index 95ea589835a..75a22402f6b 100644
--- a/lib/private/Preview/XBitmap.php
+++ b/lib/private/Preview/XBitmap.php
@@ -13,6 +13,7 @@ class XBitmap extends Image {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function getMimeType(): string {
 		return '/image\/x-xbitmap/';
 	}
diff --git a/lib/private/PreviewManager.php b/lib/private/PreviewManager.php
index 268e265c7ab..578c256aac0 100644
--- a/lib/private/PreviewManager.php
+++ b/lib/private/PreviewManager.php
@@ -107,6 +107,7 @@ class PreviewManager implements IPreview {
 	 * @param string $mimeTypeRegex Regex with the mime types that are supported by this provider
 	 * @param ProviderClosure $callable
 	 */
+	#[\Override]
 	public function registerProvider(string $mimeTypeRegex, Closure $callable): void {
 		if (!$this->enablePreviews) {
 			return;
@@ -122,6 +123,7 @@ class PreviewManager implements IPreview {
 	/**
 	 * Get all providers
 	 */
+	#[\Override]
 	public function getProviders(): array {
 		if (!$this->enablePreviews) {
 			return [];
@@ -141,6 +143,7 @@ class PreviewManager implements IPreview {
 	/**
 	 * Does the manager have any providers
 	 */
+	#[\Override]
 	public function hasProviders(): bool {
 		$this->registerCoreProviders();
 		return !empty($this->providers);
@@ -163,6 +166,7 @@ class PreviewManager implements IPreview {
 		return $this->generator;
 	}
 
+	#[\Override]
 	public function getPreview(
 		File $file,
 		int $width = -1,
@@ -193,11 +197,13 @@ class PreviewManager implements IPreview {
 	 * @throws \InvalidArgumentException if the preview would be invalid (in case the original image is invalid)
 	 * @since 19.0.0
 	 */
+	#[\Override]
 	public function generatePreviews(File $file, array $specifications, ?string $mimeType = null): ISimpleFile {
 		$this->throwIfPreviewsDisabled($file, $mimeType);
 		return $this->getGenerator()->generatePreviews($file, $specifications, $mimeType);
 	}
 
+	#[\Override]
 	public function isMimeSupported(string $mimeType = '*'): bool {
 		if (!$this->enablePreviews) {
 			return false;
@@ -220,6 +226,7 @@ class PreviewManager implements IPreview {
 		return false;
 	}
 
+	#[\Override]
 	public function isAvailable(FileInfo $file, ?string $mimeType = null): bool {
 		if (!$this->enablePreviews) {
 			return false;
diff --git a/lib/private/Profile/Actions/BlueskyAction.php b/lib/private/Profile/Actions/BlueskyAction.php
index d05682aac1a..3c22823effc 100644
--- a/lib/private/Profile/Actions/BlueskyAction.php
+++ b/lib/private/Profile/Actions/BlueskyAction.php
@@ -25,36 +25,44 @@ class BlueskyAction implements ILinkAction {
 	) {
 	}
 
+	#[\Override]
 	public function preload(IUser $targetUser): void {
 		$account = $this->accountManager->getAccount($targetUser);
 		$this->value = $account->getProperty(IAccountManager::PROPERTY_BLUESKY)->getValue();
 	}
 
+	#[\Override]
 	public function getAppId(): string {
 		return 'core';
 	}
 
+	#[\Override]
 	public function getId(): string {
 		return IAccountManager::PROPERTY_BLUESKY;
 	}
 
+	#[\Override]
 	public function getDisplayId(): string {
 		return $this->l10nFactory->get('lib')->t('Bluesky');
 	}
 
+	#[\Override]
 	public function getTitle(): string {
 		$displayUsername = $this->value;
 		return $this->l10nFactory->get('lib')->t('View %s on Bluesky', [$displayUsername]);
 	}
 
+	#[\Override]
 	public function getPriority(): int {
 		return 60;
 	}
 
+	#[\Override]
 	public function getIcon(): string {
 		return $this->urlGenerator->getAbsoluteURL($this->urlGenerator->imagePath('core', 'actions/bluesky.svg'));
 	}
 
+	#[\Override]
 	public function getTarget(): ?string {
 		if (empty($this->value)) {
 			return null;
diff --git a/lib/private/Profile/Actions/EmailAction.php b/lib/private/Profile/Actions/EmailAction.php
index c01f368b476..779d94d9205 100644
--- a/lib/private/Profile/Actions/EmailAction.php
+++ b/lib/private/Profile/Actions/EmailAction.php
@@ -25,35 +25,43 @@ class EmailAction implements ILinkAction {
 	) {
 	}
 
+	#[\Override]
 	public function preload(IUser $targetUser): void {
 		$account = $this->accountManager->getAccount($targetUser);
 		$this->value = $account->getProperty(IAccountManager::PROPERTY_EMAIL)->getValue();
 	}
 
+	#[\Override]
 	public function getAppId(): string {
 		return 'core';
 	}
 
+	#[\Override]
 	public function getId(): string {
 		return IAccountManager::PROPERTY_EMAIL;
 	}
 
+	#[\Override]
 	public function getDisplayId(): string {
 		return $this->l10nFactory->get('lib')->t('Email');
 	}
 
+	#[\Override]
 	public function getTitle(): string {
 		return $this->l10nFactory->get('lib')->t('Mail %s', [$this->value]);
 	}
 
+	#[\Override]
 	public function getPriority(): int {
 		return 20;
 	}
 
+	#[\Override]
 	public function getIcon(): string {
 		return $this->urlGenerator->getAbsoluteURL($this->urlGenerator->imagePath('core', 'actions/mail.svg'));
 	}
 
+	#[\Override]
 	public function getTarget(): ?string {
 		if (empty($this->value)) {
 			return null;
diff --git a/lib/private/Profile/Actions/FediverseAction.php b/lib/private/Profile/Actions/FediverseAction.php
index b48f1db5c50..17c1f5510a2 100644
--- a/lib/private/Profile/Actions/FediverseAction.php
+++ b/lib/private/Profile/Actions/FediverseAction.php
@@ -27,6 +27,7 @@ class FediverseAction implements ILinkAction {
 	) {
 	}
 
+	#[\Override]
 	public function preload(IUser $targetUser): void {
 		try {
 			$account = $this->accountManager->getAccount($targetUser);
@@ -37,31 +38,38 @@ class FediverseAction implements ILinkAction {
 		}
 	}
 
+	#[\Override]
 	public function getAppId(): string {
 		return 'core';
 	}
 
+	#[\Override]
 	public function getId(): string {
 		return IAccountManager::PROPERTY_FEDIVERSE;
 	}
 
+	#[\Override]
 	public function getDisplayId(): string {
 		return $this->l10nFactory->get('lib')->t('Fediverse');
 	}
 
+	#[\Override]
 	public function getTitle(): string {
 		$displayUsername = $this->value[0] === '@' ? $this->value : '@' . $this->value;
 		return $this->l10nFactory->get('lib')->t('View %s on the fediverse', [$displayUsername]);
 	}
 
+	#[\Override]
 	public function getPriority(): int {
 		return 50;
 	}
 
+	#[\Override]
 	public function getIcon(): string {
 		return $this->urlGenerator->getAbsoluteURL($this->urlGenerator->imagePath('core', 'actions/mastodon.svg'));
 	}
 
+	#[\Override]
 	public function getTarget(): ?string {
 		if ($this->value === '') {
 			return null;
diff --git a/lib/private/Profile/Actions/PhoneAction.php b/lib/private/Profile/Actions/PhoneAction.php
index 598cdc49051..64fc889c77e 100644
--- a/lib/private/Profile/Actions/PhoneAction.php
+++ b/lib/private/Profile/Actions/PhoneAction.php
@@ -25,35 +25,43 @@ class PhoneAction implements ILinkAction {
 	) {
 	}
 
+	#[\Override]
 	public function preload(IUser $targetUser): void {
 		$account = $this->accountManager->getAccount($targetUser);
 		$this->value = $account->getProperty(IAccountManager::PROPERTY_PHONE)->getValue();
 	}
 
+	#[\Override]
 	public function getAppId(): string {
 		return 'core';
 	}
 
+	#[\Override]
 	public function getId(): string {
 		return IAccountManager::PROPERTY_PHONE;
 	}
 
+	#[\Override]
 	public function getDisplayId(): string {
 		return $this->l10nFactory->get('lib')->t('Phone');
 	}
 
+	#[\Override]
 	public function getTitle(): string {
 		return $this->l10nFactory->get('lib')->t('Call %s', [$this->value]);
 	}
 
+	#[\Override]
 	public function getPriority(): int {
 		return 30;
 	}
 
+	#[\Override]
 	public function getIcon(): string {
 		return $this->urlGenerator->getAbsoluteURL($this->urlGenerator->imagePath('core', 'actions/phone.svg'));
 	}
 
+	#[\Override]
 	public function getTarget(): ?string {
 		if (empty($this->value)) {
 			return null;
diff --git a/lib/private/Profile/Actions/TwitterAction.php b/lib/private/Profile/Actions/TwitterAction.php
index 78e7137f64b..1e2fb38ae80 100644
--- a/lib/private/Profile/Actions/TwitterAction.php
+++ b/lib/private/Profile/Actions/TwitterAction.php
@@ -26,36 +26,44 @@ class TwitterAction implements ILinkAction {
 	) {
 	}
 
+	#[\Override]
 	public function preload(IUser $targetUser): void {
 		$account = $this->accountManager->getAccount($targetUser);
 		$this->value = $account->getProperty(IAccountManager::PROPERTY_TWITTER)->getValue();
 	}
 
+	#[\Override]
 	public function getAppId(): string {
 		return 'core';
 	}
 
+	#[\Override]
 	public function getId(): string {
 		return IAccountManager::PROPERTY_TWITTER;
 	}
 
+	#[\Override]
 	public function getDisplayId(): string {
 		return $this->l10nFactory->get('lib')->t('Twitter');
 	}
 
+	#[\Override]
 	public function getTitle(): string {
 		$displayUsername = $this->value[0] === '@' ? $this->value : '@' . $this->value;
 		return $this->l10nFactory->get('lib')->t('View %s on Twitter', [$displayUsername]);
 	}
 
+	#[\Override]
 	public function getPriority(): int {
 		return 50;
 	}
 
+	#[\Override]
 	public function getIcon(): string {
 		return $this->urlGenerator->getAbsoluteURL($this->urlGenerator->imagePath('core', 'actions/twitter.svg'));
 	}
 
+	#[\Override]
 	public function getTarget(): ?string {
 		if (empty($this->value)) {
 			return null;
diff --git a/lib/private/Profile/Actions/WebsiteAction.php b/lib/private/Profile/Actions/WebsiteAction.php
index 4f5dcb568e7..0967af55c2e 100644
--- a/lib/private/Profile/Actions/WebsiteAction.php
+++ b/lib/private/Profile/Actions/WebsiteAction.php
@@ -25,35 +25,43 @@ class WebsiteAction implements ILinkAction {
 	) {
 	}
 
+	#[\Override]
 	public function preload(IUser $targetUser): void {
 		$account = $this->accountManager->getAccount($targetUser);
 		$this->value = $account->getProperty(IAccountManager::PROPERTY_WEBSITE)->getValue();
 	}
 
+	#[\Override]
 	public function getAppId(): string {
 		return 'core';
 	}
 
+	#[\Override]
 	public function getId(): string {
 		return IAccountManager::PROPERTY_WEBSITE;
 	}
 
+	#[\Override]
 	public function getDisplayId(): string {
 		return $this->l10nFactory->get('lib')->t('Website');
 	}
 
+	#[\Override]
 	public function getTitle(): string {
 		return $this->l10nFactory->get('lib')->t('Visit %s', [$this->value]);
 	}
 
+	#[\Override]
 	public function getPriority(): int {
 		return 40;
 	}
 
+	#[\Override]
 	public function getIcon(): string {
 		return $this->urlGenerator->getAbsoluteURL($this->urlGenerator->imagePath('core', 'actions/timezone.svg'));
 	}
 
+	#[\Override]
 	public function getTarget(): ?string {
 		if (empty($this->value)) {
 			return null;
diff --git a/lib/private/Profile/ProfileManager.php b/lib/private/Profile/ProfileManager.php
index c38412f6bd0..df046aacc28 100644
--- a/lib/private/Profile/ProfileManager.php
+++ b/lib/private/Profile/ProfileManager.php
@@ -95,6 +95,7 @@ class ProfileManager implements IProfileManager {
 	/**
 	 * If no user is passed as an argument return whether profile is enabled globally in `config.php`
 	 */
+	#[\Override]
 	public function isProfileEnabled(?IUser $user = null): bool {
 		$profileEnabledGlobally = $this->config->getSystemValueBool('profile.enabled', true);
 
@@ -187,6 +188,7 @@ class ProfileManager implements IProfileManager {
 	 * Return whether the profile parameter of the target user
 	 * is visible to the visiting user
 	 */
+	#[\Override]
 	public function isProfileFieldVisible(string $profileField, IUser $targetUser, ?IUser $visitingUser): bool {
 		try {
 			$account = $this->accountManager->getAccount($targetUser);
@@ -234,6 +236,7 @@ class ProfileManager implements IProfileManager {
 	 * in an associative array
 	 * @psalm-return CoreProfileFields
 	 */
+	#[\Override]
 	public function getProfileFields(IUser $targetUser, ?IUser $visitingUser): array {
 		$account = $this->accountManager->getAccount($targetUser);
 
diff --git a/lib/private/Profiler/Profile.php b/lib/private/Profiler/Profile.php
index d823a7c8327..48b1d54ebd4 100644
--- a/lib/private/Profiler/Profile.php
+++ b/lib/private/Profiler/Profile.php
@@ -33,63 +33,78 @@ class Profile implements \JsonSerializable, IProfile {
 	) {
 	}
 
+	#[\Override]
 	public function getToken(): string {
 		return $this->token;
 	}
 
+	#[\Override]
 	public function setToken(string $token): void {
 		$this->token = $token;
 	}
 
+	#[\Override]
 	public function getTime(): ?int {
 		return $this->time;
 	}
 
+	#[\Override]
 	public function setTime(int $time): void {
 		$this->time = $time;
 	}
 
+	#[\Override]
 	public function getUrl(): ?string {
 		return $this->url;
 	}
 
+	#[\Override]
 	public function setUrl(string $url): void {
 		$this->url = $url;
 	}
 
+	#[\Override]
 	public function getMethod(): ?string {
 		return $this->method;
 	}
 
+	#[\Override]
 	public function setMethod(string $method): void {
 		$this->method = $method;
 	}
 
+	#[\Override]
 	public function getStatusCode(): ?int {
 		return $this->statusCode;
 	}
 
+	#[\Override]
 	public function setStatusCode(int $statusCode): void {
 		$this->statusCode = $statusCode;
 	}
 
+	#[\Override]
 	public function addCollector(IDataCollector $collector) {
 		$this->collectors[$collector->getName()] = $collector;
 	}
 
+	#[\Override]
 	public function getParent(): ?IProfile {
 		return $this->parent;
 	}
 
+	#[\Override]
 	public function setParent(?IProfile $parent): void {
 		$this->parent = $parent;
 	}
 
+	#[\Override]
 	public function getParentToken(): ?string {
 		return $this->parent ? $this->parent->getToken() : null;
 	}
 
 	/** @return IProfile[] */
+	#[\Override]
 	public function getChildren(): array {
 		return $this->children;
 	}
@@ -97,6 +112,7 @@ class Profile implements \JsonSerializable, IProfile {
 	/**
 	 * @param IProfile[] $children
 	 */
+	#[\Override]
 	public function setChildren(array $children): void {
 		$this->children = [];
 		foreach ($children as $child) {
@@ -104,6 +120,7 @@ class Profile implements \JsonSerializable, IProfile {
 		}
 	}
 
+	#[\Override]
 	public function addChild(IProfile $profile): void {
 		$this->children[] = $profile;
 		$profile->setParent($this);
@@ -112,6 +129,7 @@ class Profile implements \JsonSerializable, IProfile {
 	/**
 	 * @return IDataCollector[]
 	 */
+	#[\Override]
 	public function getCollectors(): array {
 		return $this->collectors;
 	}
@@ -119,6 +137,7 @@ class Profile implements \JsonSerializable, IProfile {
 	/**
 	 * @param IDataCollector[] $collectors
 	 */
+	#[\Override]
 	public function setCollectors(array $collectors): void {
 		$this->collectors = $collectors;
 	}
@@ -127,6 +146,7 @@ class Profile implements \JsonSerializable, IProfile {
 		return ['token', 'parent', 'children', 'collectors', 'method', 'url', 'time', 'statusCode'];
 	}
 
+	#[\Override]
 	#[\ReturnTypeWillChange]
 	public function jsonSerialize() {
 		// Everything but parent
@@ -141,6 +161,7 @@ class Profile implements \JsonSerializable, IProfile {
 		];
 	}
 
+	#[\Override]
 	public function getCollector(string $collectorName): ?IDataCollector {
 		if (!array_key_exists($collectorName, $this->collectors)) {
 			return null;
diff --git a/lib/private/Profiler/Profiler.php b/lib/private/Profiler/Profiler.php
index 84a4e3eff34..cde8c548bb8 100644
--- a/lib/private/Profiler/Profiler.php
+++ b/lib/private/Profiler/Profiler.php
@@ -31,10 +31,12 @@ class Profiler implements IProfiler {
 		}
 	}
 
+	#[\Override]
 	public function add(IDataCollector $dataCollector): void {
 		$this->dataCollectors[$dataCollector->getName()] = $dataCollector;
 	}
 
+	#[\Override]
 	public function loadProfileFromResponse(Response $response): ?IProfile {
 		if (!$token = $response->getHeaders()['X-Debug-Token']) {
 			return null;
@@ -43,6 +45,7 @@ class Profiler implements IProfiler {
 		return $this->loadProfile($token);
 	}
 
+	#[\Override]
 	public function loadProfile(string $token): ?IProfile {
 		if ($this->storage) {
 			return $this->storage->read($token);
@@ -51,6 +54,7 @@ class Profiler implements IProfiler {
 		}
 	}
 
+	#[\Override]
 	public function saveProfile(IProfile $profile): bool {
 		if ($this->storage) {
 			return $this->storage->write($profile);
@@ -59,6 +63,7 @@ class Profiler implements IProfiler {
 		}
 	}
 
+	#[\Override]
 	public function collect(Request $request, Response $response): IProfile {
 		$profile = new Profile($request->getId());
 		$profile->setTime(time());
@@ -77,6 +82,7 @@ class Profiler implements IProfiler {
 	/**
 	 * @return array[]
 	 */
+	#[\Override]
 	public function find(?string $url, ?int $limit, ?string $method, ?int $start, ?int $end,
 		?string $statusCode = null): array {
 		if ($this->storage) {
@@ -86,18 +92,22 @@ class Profiler implements IProfiler {
 		}
 	}
 
+	#[\Override]
 	public function dataProviders(): array {
 		return array_keys($this->dataCollectors);
 	}
 
+	#[\Override]
 	public function isEnabled(): bool {
 		return $this->enabled;
 	}
 
+	#[\Override]
 	public function setEnabled(bool $enabled): void {
 		$this->enabled = $enabled;
 	}
 
+	#[\Override]
 	public function clear(): void {
 		$this->storage->purge();
 	}
diff --git a/lib/private/Profiler/RoutingDataCollector.php b/lib/private/Profiler/RoutingDataCollector.php
index 47d4af1149c..fba3e2425e0 100644
--- a/lib/private/Profiler/RoutingDataCollector.php
+++ b/lib/private/Profiler/RoutingDataCollector.php
@@ -21,6 +21,7 @@ class RoutingDataCollector extends AbstractDataCollector {
 	) {
 	}
 
+	#[\Override]
 	public function collect(Request $request, Response $response, ?\Throwable $exception = null): void {
 		$this->data = [
 			'appName' => $this->appName,
@@ -29,6 +30,7 @@ class RoutingDataCollector extends AbstractDataCollector {
 		];
 	}
 
+	#[\Override]
 	public function getName(): string {
 		return 'router';
 	}
diff --git a/lib/private/Remote/Api/ApiCollection.php b/lib/private/Remote/Api/ApiCollection.php
index b42c7c484ba..7f89a70ac11 100644
--- a/lib/private/Remote/Api/ApiCollection.php
+++ b/lib/private/Remote/Api/ApiCollection.php
@@ -21,10 +21,12 @@ class ApiCollection implements IApiCollection {
 	) {
 	}
 
+	#[\Override]
 	public function getCapabilitiesApi() {
 		return new OCS($this->instance, $this->credentials, $this->clientService);
 	}
 
+	#[\Override]
 	public function getUserApi() {
 		return new OCS($this->instance, $this->credentials, $this->clientService);
 	}
diff --git a/lib/private/Remote/Api/ApiFactory.php b/lib/private/Remote/Api/ApiFactory.php
index 8c908a2f91f..2ffa38991b4 100644
--- a/lib/private/Remote/Api/ApiFactory.php
+++ b/lib/private/Remote/Api/ApiFactory.php
@@ -19,6 +19,7 @@ class ApiFactory implements IApiFactory {
 	) {
 	}
 
+	#[\Override]
 	public function getApiCollection(IInstance $instance, ICredentials $credentials) {
 		return new ApiCollection($instance, $credentials, $this->clientService);
 	}
diff --git a/lib/private/Remote/Api/OCS.php b/lib/private/Remote/Api/OCS.php
index 36bc22751a5..458ed718060 100644
--- a/lib/private/Remote/Api/OCS.php
+++ b/lib/private/Remote/Api/OCS.php
@@ -25,6 +25,7 @@ class OCS extends ApiBase implements ICapabilitiesApi, IUserApi {
 	 * @throws NotFoundException
 	 * @throws \Exception
 	 */
+	#[\Override]
 	protected function request($method, $url, array $body = [], array $query = [], array $headers = []) {
 		try {
 			$response = json_decode(parent::request($method, 'ocs/v2.php/' . $url, $body, $query, $headers), true);
@@ -67,6 +68,7 @@ class OCS extends ApiBase implements ICapabilitiesApi, IUserApi {
 		}
 	}
 
+	#[\Override]
 	public function getUser($userId) {
 		$result = $this->request('get', 'cloud/users/' . $userId);
 		$this->checkResponseArray($result, 'user', User::EXPECTED_KEYS);
@@ -76,6 +78,7 @@ class OCS extends ApiBase implements ICapabilitiesApi, IUserApi {
 	/**
 	 * @return array The capabilities in the form of [$appId => [$capability => $value]]
 	 */
+	#[\Override]
 	public function getCapabilities() {
 		$result = $this->request('get', 'cloud/capabilities');
 		return $result['capabilities'];
diff --git a/lib/private/Remote/Credentials.php b/lib/private/Remote/Credentials.php
index 607c403b4bf..2bb7c86ee4d 100644
--- a/lib/private/Remote/Credentials.php
+++ b/lib/private/Remote/Credentials.php
@@ -17,10 +17,12 @@ class Credentials implements ICredentials {
 	) {
 	}
 
+	#[\Override]
 	public function getUsername(): string {
 		return $this->user;
 	}
 
+	#[\Override]
 	public function getPassword(): string {
 		return $this->password;
 	}
diff --git a/lib/private/Remote/InstanceFactory.php b/lib/private/Remote/InstanceFactory.php
index 5279d0146cd..13a4e2c1e56 100644
--- a/lib/private/Remote/InstanceFactory.php
+++ b/lib/private/Remote/InstanceFactory.php
@@ -17,6 +17,7 @@ class InstanceFactory implements IInstanceFactory {
 	) {
 	}
 
+	#[\Override]
 	public function getInstance($url) {
 		return new Instance($url, $this->cache, $this->clientService);
 	}
diff --git a/lib/private/Remote/User.php b/lib/private/Remote/User.php
index a8f665154ad..a3d0f3815e8 100644
--- a/lib/private/Remote/User.php
+++ b/lib/private/Remote/User.php
@@ -32,6 +32,7 @@ class User implements IUser {
 	/**
 	 * @return string
 	 */
+	#[\Override]
 	public function getUserId() {
 		return $this->data['id'];
 	}
@@ -39,6 +40,7 @@ class User implements IUser {
 	/**
 	 * @return string
 	 */
+	#[\Override]
 	public function getEmail() {
 		return $this->data['email'];
 	}
@@ -46,6 +48,7 @@ class User implements IUser {
 	/**
 	 * @return string
 	 */
+	#[\Override]
 	public function getDisplayName() {
 		return $this->data['displayname'];
 	}
@@ -53,6 +56,7 @@ class User implements IUser {
 	/**
 	 * @return string
 	 */
+	#[\Override]
 	public function getPhone() {
 		return $this->data['phone'];
 	}
@@ -60,6 +64,7 @@ class User implements IUser {
 	/**
 	 * @return string
 	 */
+	#[\Override]
 	public function getAddress() {
 		return $this->data['address'];
 	}
@@ -67,6 +72,7 @@ class User implements IUser {
 	/**
 	 * @return string
 	 */
+	#[\Override]
 	public function getWebsite() {
 		return $this->data['website'];
 	}
@@ -74,6 +80,7 @@ class User implements IUser {
 	/**
 	 * @return string
 	 */
+	#[\Override]
 	public function getTwitter() {
 		return $this->data['twitter'] ?? '';
 	}
@@ -81,6 +88,7 @@ class User implements IUser {
 	/**
 	 * @return string[]
 	 */
+	#[\Override]
 	public function getGroups() {
 		return $this->data['groups'];
 	}
@@ -88,6 +96,7 @@ class User implements IUser {
 	/**
 	 * @return string
 	 */
+	#[\Override]
 	public function getLanguage() {
 		return $this->data['language'];
 	}
@@ -95,6 +104,7 @@ class User implements IUser {
 	/**
 	 * @return int
 	 */
+	#[\Override]
 	public function getUsedSpace() {
 		return $this->data['quota']['used'];
 	}
@@ -102,6 +112,7 @@ class User implements IUser {
 	/**
 	 * @return int
 	 */
+	#[\Override]
 	public function getFreeSpace() {
 		return $this->data['quota']['free'];
 	}
@@ -109,6 +120,7 @@ class User implements IUser {
 	/**
 	 * @return int
 	 */
+	#[\Override]
 	public function getTotalSpace() {
 		return $this->data['quota']['total'];
 	}
@@ -116,6 +128,7 @@ class User implements IUser {
 	/**
 	 * @return int
 	 */
+	#[\Override]
 	public function getQuota() {
 		return $this->data['quota']['quota'];
 	}
diff --git a/lib/private/Repair.php b/lib/private/Repair.php
index be6de73579c..90e209cfe90 100644
--- a/lib/private/Repair.php
+++ b/lib/private/Repair.php
@@ -222,12 +222,14 @@ class Repair implements IOutput {
 		];
 	}
 
+	#[\Override]
 	public function debug(string $message): void {
 	}
 
 	/**
 	 * @param string $message
 	 */
+	#[\Override]
 	public function info($message): void {
 		// for now just emit as we did in the past
 		$this->dispatcher->dispatchTyped(new RepairInfoEvent($message));
@@ -236,6 +238,7 @@ class Repair implements IOutput {
 	/**
 	 * @param string $message
 	 */
+	#[\Override]
 	public function warning($message): void {
 		// for now just emit as we did in the past
 		$this->dispatcher->dispatchTyped(new RepairWarningEvent($message));
@@ -244,6 +247,7 @@ class Repair implements IOutput {
 	/**
 	 * @param int $max
 	 */
+	#[\Override]
 	public function startProgress($max = 0): void {
 		// for now just emit as we did in the past
 		$this->dispatcher->dispatchTyped(new RepairStartEvent($max, $this->currentStep));
@@ -253,11 +257,13 @@ class Repair implements IOutput {
 	 * @param int $step number of step to advance
 	 * @param string $description
 	 */
+	#[\Override]
 	public function advance($step = 1, $description = ''): void {
 		// for now just emit as we did in the past
 		$this->dispatcher->dispatchTyped(new RepairAdvanceEvent($step, $description));
 	}
 
+	#[\Override]
 	public function finishProgress(): void {
 		// for now just emit as we did in the past
 		$this->dispatcher->dispatchTyped(new RepairFinishEvent());
diff --git a/lib/private/Repair/AddBruteForceCleanupJob.php b/lib/private/Repair/AddBruteForceCleanupJob.php
index 9473d9031a4..20c1191b006 100644
--- a/lib/private/Repair/AddBruteForceCleanupJob.php
+++ b/lib/private/Repair/AddBruteForceCleanupJob.php
@@ -19,10 +19,12 @@ class AddBruteForceCleanupJob implements IRepairStep {
 	) {
 	}
 
+	#[\Override]
 	public function getName(): string {
 		return 'Add job to cleanup the bruteforce entries';
 	}
 
+	#[\Override]
 	public function run(IOutput $output): void {
 		$this->jobList->add(CleanupJob::class);
 	}
diff --git a/lib/private/Repair/AddCleanupDeletedUsersBackgroundJob.php b/lib/private/Repair/AddCleanupDeletedUsersBackgroundJob.php
index 6d983b8456c..ac66d4f59d7 100644
--- a/lib/private/Repair/AddCleanupDeletedUsersBackgroundJob.php
+++ b/lib/private/Repair/AddCleanupDeletedUsersBackgroundJob.php
@@ -19,10 +19,12 @@ class AddCleanupDeletedUsersBackgroundJob implements IRepairStep {
 	) {
 	}
 
+	#[\Override]
 	public function getName(): string {
 		return 'Add cleanup-deleted-users background job';
 	}
 
+	#[\Override]
 	public function run(IOutput $output): void {
 		$this->jobList->add(CleanupDeletedUsers::class);
 	}
diff --git a/lib/private/Repair/AddCleanupUpdaterBackupsJob.php b/lib/private/Repair/AddCleanupUpdaterBackupsJob.php
index 731bf4537c7..f0138133196 100644
--- a/lib/private/Repair/AddCleanupUpdaterBackupsJob.php
+++ b/lib/private/Repair/AddCleanupUpdaterBackupsJob.php
@@ -19,10 +19,12 @@ class AddCleanupUpdaterBackupsJob implements IRepairStep {
 	) {
 	}
 
+	#[\Override]
 	public function getName(): string {
 		return 'Queue a one-time job to cleanup old backups of the updater';
 	}
 
+	#[\Override]
 	public function run(IOutput $output): void {
 		$this->jobList->add(BackgroundCleanupUpdaterBackupsJob::class);
 	}
diff --git a/lib/private/Repair/AddMetadataGenerationJob.php b/lib/private/Repair/AddMetadataGenerationJob.php
index f907144dc7d..3ab619d6246 100644
--- a/lib/private/Repair/AddMetadataGenerationJob.php
+++ b/lib/private/Repair/AddMetadataGenerationJob.php
@@ -19,10 +19,12 @@ class AddMetadataGenerationJob implements IRepairStep {
 	) {
 	}
 
+	#[\Override]
 	public function getName(): string {
 		return 'Queue a job to generate metadata';
 	}
 
+	#[\Override]
 	public function run(IOutput $output): void {
 		$this->jobList->add(GenerateMetadataJob::class);
 	}
diff --git a/lib/private/Repair/AddMovePreviewJob.php b/lib/private/Repair/AddMovePreviewJob.php
index 84d32887f28..37f8398e56f 100644
--- a/lib/private/Repair/AddMovePreviewJob.php
+++ b/lib/private/Repair/AddMovePreviewJob.php
@@ -20,6 +20,7 @@ class AddMovePreviewJob implements IRepairStep {
 	) {
 	}
 
+	#[\Override]
 	public function getName(): string {
 		return 'Queue a job to move the preview';
 	}
diff --git a/lib/private/Repair/AddRemoveOldTasksBackgroundJob.php b/lib/private/Repair/AddRemoveOldTasksBackgroundJob.php
index eac9d5c3dc1..292a4e85a7b 100644
--- a/lib/private/Repair/AddRemoveOldTasksBackgroundJob.php
+++ b/lib/private/Repair/AddRemoveOldTasksBackgroundJob.php
@@ -21,10 +21,12 @@ class AddRemoveOldTasksBackgroundJob implements IRepairStep {
 	) {
 	}
 
+	#[\Override]
 	public function getName(): string {
 		return 'Add AI tasks cleanup jobs';
 	}
 
+	#[\Override]
 	public function run(IOutput $output) {
 		$this->jobList->add(RemoveOldTextProcessingTasksBackgroundJob::class);
 		$this->jobList->add(RemoveOldTextToImageTasksBackgroundJob::class);
diff --git a/lib/private/Repair/CleanTags.php b/lib/private/Repair/CleanTags.php
index 4397f2cf09e..3ea09e8c97c 100644
--- a/lib/private/Repair/CleanTags.php
+++ b/lib/private/Repair/CleanTags.php
@@ -28,6 +28,7 @@ class CleanTags implements IRepairStep {
 	) {
 	}
 
+	#[\Override]
 	public function getName(): string {
 		return 'Clean tags and favorites';
 	}
@@ -35,6 +36,7 @@ class CleanTags implements IRepairStep {
 	/**
 	 * Updates the configuration after running an update
 	 */
+	#[\Override]
 	public function run(IOutput $output): void {
 		$this->deleteOrphanTags($output);
 		$this->deleteOrphanFileEntries($output);
diff --git a/lib/private/Repair/CleanUpAbandonedApps.php b/lib/private/Repair/CleanUpAbandonedApps.php
index ce166ebd2b3..4300bf18d8b 100644
--- a/lib/private/Repair/CleanUpAbandonedApps.php
+++ b/lib/private/Repair/CleanUpAbandonedApps.php
@@ -19,10 +19,12 @@ class CleanUpAbandonedApps implements IRepairStep {
 	) {
 	}
 
+	#[\Override]
 	public function getName(): string {
 		return 'Clean up abandoned apps';
 	}
 
+	#[\Override]
 	public function run(IOutput $output): void {
 		foreach (self::ABANDONED_APPS as $app) {
 			// only remove global app values
diff --git a/lib/private/Repair/ClearFrontendCaches.php b/lib/private/Repair/ClearFrontendCaches.php
index b5631b660cb..4211f6c745f 100644
--- a/lib/private/Repair/ClearFrontendCaches.php
+++ b/lib/private/Repair/ClearFrontendCaches.php
@@ -20,10 +20,12 @@ class ClearFrontendCaches implements IRepairStep {
 	) {
 	}
 
+	#[\Override]
 	public function getName(): string {
 		return 'Clear frontend caches';
 	}
 
+	#[\Override]
 	public function run(IOutput $output): void {
 		try {
 			$c = $this->cacheFactory->createDistributed('imagePath');
diff --git a/lib/private/Repair/ClearGeneratedAvatarCache.php b/lib/private/Repair/ClearGeneratedAvatarCache.php
index cc71a5dc6e4..75b5d8fe85e 100644
--- a/lib/private/Repair/ClearGeneratedAvatarCache.php
+++ b/lib/private/Repair/ClearGeneratedAvatarCache.php
@@ -22,6 +22,7 @@ class ClearGeneratedAvatarCache implements IRepairStep {
 	) {
 	}
 
+	#[\Override]
 	public function getName(): string {
 		return 'Clear every generated avatar';
 	}
@@ -37,6 +38,7 @@ class ClearGeneratedAvatarCache implements IRepairStep {
 		return version_compare($versionFromBeforeUpdate, '27.0.0', '<');
 	}
 
+	#[\Override]
 	public function run(IOutput $output): void {
 		if ($this->shouldRun()) {
 			try {
diff --git a/lib/private/Repair/ClearGeneratedAvatarCacheJob.php b/lib/private/Repair/ClearGeneratedAvatarCacheJob.php
index 6637becd4a1..2cd0596f274 100644
--- a/lib/private/Repair/ClearGeneratedAvatarCacheJob.php
+++ b/lib/private/Repair/ClearGeneratedAvatarCacheJob.php
@@ -20,6 +20,7 @@ class ClearGeneratedAvatarCacheJob extends QueuedJob {
 		parent::__construct($timeFactory);
 	}
 
+	#[\Override]
 	public function run($argument) {
 		$this->avatarManager->clearCachedAvatars();
 	}
diff --git a/lib/private/Repair/Collation.php b/lib/private/Repair/Collation.php
index 450b132ef47..52537886961 100644
--- a/lib/private/Repair/Collation.php
+++ b/lib/private/Repair/Collation.php
@@ -25,6 +25,7 @@ class Collation implements IRepairStep {
 	) {
 	}
 
+	#[\Override]
 	public function getName(): string {
 		return 'Repair MySQL collation';
 	}
@@ -32,6 +33,7 @@ class Collation implements IRepairStep {
 	/**
 	 * Fix mime types
 	 */
+	#[\Override]
 	public function run(IOutput $output): void {
 		if ($this->connection->getDatabaseProvider() !== IDBConnection::PLATFORM_MYSQL) {
 			$output->info('Not a mysql database -> nothing to do');
diff --git a/lib/private/Repair/ConfigKeyMigration.php b/lib/private/Repair/ConfigKeyMigration.php
index acdda68dc0a..8c69fee2e70 100644
--- a/lib/private/Repair/ConfigKeyMigration.php
+++ b/lib/private/Repair/ConfigKeyMigration.php
@@ -19,10 +19,12 @@ class ConfigKeyMigration implements IRepairStep {
 	) {
 	}
 
+	#[\Override]
 	public function getName(): string {
 		return 'Migrate config keys';
 	}
 
+	#[\Override]
 	public function run(IOutput $output): void {
 		$this->configManager->migrateConfigLexiconKeys();
 		$this->configManager->updateLexiconEntries('core');
diff --git a/lib/private/Repair/MoveUpdaterStepFile.php b/lib/private/Repair/MoveUpdaterStepFile.php
index 28fe0db1314..72ea92be0fb 100644
--- a/lib/private/Repair/MoveUpdaterStepFile.php
+++ b/lib/private/Repair/MoveUpdaterStepFile.php
@@ -19,10 +19,12 @@ class MoveUpdaterStepFile implements IRepairStep {
 	) {
 	}
 
+	#[\Override]
 	public function getName(): string {
 		return 'Move .step file of updater to backup location';
 	}
 
+	#[\Override]
 	public function run(IOutput $output): void {
 		$updateDir = $this->config->getSystemValue('updatedirectory', null) ?? $this->config->getSystemValue('datadirectory', \OC::$SERVERROOT . '/data');
 		$instanceId = $this->config->getSystemValueString('instanceid');
diff --git a/lib/private/Repair/NC13/AddLogRotateJob.php b/lib/private/Repair/NC13/AddLogRotateJob.php
index a44610dd07a..68e3693aac4 100644
--- a/lib/private/Repair/NC13/AddLogRotateJob.php
+++ b/lib/private/Repair/NC13/AddLogRotateJob.php
@@ -19,10 +19,12 @@ class AddLogRotateJob implements IRepairStep {
 	) {
 	}
 
+	#[\Override]
 	public function getName(): string {
 		return 'Add log rotate job';
 	}
 
+	#[\Override]
 	public function run(IOutput $output): void {
 		$this->jobList->add(Rotate::class);
 	}
diff --git a/lib/private/Repair/NC14/AddPreviewBackgroundCleanupJob.php b/lib/private/Repair/NC14/AddPreviewBackgroundCleanupJob.php
index c7a95775083..dff83d7a6cb 100644
--- a/lib/private/Repair/NC14/AddPreviewBackgroundCleanupJob.php
+++ b/lib/private/Repair/NC14/AddPreviewBackgroundCleanupJob.php
@@ -19,10 +19,12 @@ class AddPreviewBackgroundCleanupJob implements IRepairStep {
 	) {
 	}
 
+	#[\Override]
 	public function getName(): string {
 		return 'Add preview background cleanup job';
 	}
 
+	#[\Override]
 	public function run(IOutput $output) {
 		$this->jobList->add(BackgroundCleanupJob::class);
 	}
diff --git a/lib/private/Repair/NC16/AddCleanupLoginFlowV2BackgroundJob.php b/lib/private/Repair/NC16/AddCleanupLoginFlowV2BackgroundJob.php
index 630b20a4128..028cce593f9 100644
--- a/lib/private/Repair/NC16/AddCleanupLoginFlowV2BackgroundJob.php
+++ b/lib/private/Repair/NC16/AddCleanupLoginFlowV2BackgroundJob.php
@@ -19,10 +19,12 @@ class AddCleanupLoginFlowV2BackgroundJob implements IRepairStep {
 	) {
 	}
 
+	#[\Override]
 	public function getName(): string {
 		return 'Add background job to cleanup login flow v2 tokens';
 	}
 
+	#[\Override]
 	public function run(IOutput $output) {
 		$this->jobList->add(CleanupLoginFlowV2::class);
 	}
diff --git a/lib/private/Repair/NC16/CleanupCardDAVPhotoCache.php b/lib/private/Repair/NC16/CleanupCardDAVPhotoCache.php
index 646dd2c5e83..d21c0df6177 100644
--- a/lib/private/Repair/NC16/CleanupCardDAVPhotoCache.php
+++ b/lib/private/Repair/NC16/CleanupCardDAVPhotoCache.php
@@ -35,6 +35,7 @@ class CleanupCardDAVPhotoCache implements IRepairStep {
 	) {
 	}
 
+	#[\Override]
 	public function getName(): string {
 		return 'Cleanup invalid photocache files for carddav';
 	}
@@ -80,6 +81,7 @@ class CleanupCardDAVPhotoCache implements IRepairStep {
 		);
 	}
 
+	#[\Override]
 	public function run(IOutput $output): void {
 		if ($this->shouldRun()) {
 			$this->repair($output);
diff --git a/lib/private/Repair/NC16/ClearCollectionsAccessCache.php b/lib/private/Repair/NC16/ClearCollectionsAccessCache.php
index e1eef24eedd..163f5794700 100644
--- a/lib/private/Repair/NC16/ClearCollectionsAccessCache.php
+++ b/lib/private/Repair/NC16/ClearCollectionsAccessCache.php
@@ -20,6 +20,7 @@ class ClearCollectionsAccessCache implements IRepairStep {
 	) {
 	}
 
+	#[\Override]
 	public function getName(): string {
 		return 'Clear access cache of projects';
 	}
@@ -29,6 +30,7 @@ class ClearCollectionsAccessCache implements IRepairStep {
 		return version_compare($versionFromBeforeUpdate, '17.0.0.3', '<=');
 	}
 
+	#[\Override]
 	public function run(IOutput $output): void {
 		if ($this->shouldRun()) {
 			$this->manager->invalidateAccessCacheForAllCollections();
diff --git a/lib/private/Repair/NC18/ResetGeneratedAvatarFlag.php b/lib/private/Repair/NC18/ResetGeneratedAvatarFlag.php
index d07bc2d7193..5de39b58a95 100644
--- a/lib/private/Repair/NC18/ResetGeneratedAvatarFlag.php
+++ b/lib/private/Repair/NC18/ResetGeneratedAvatarFlag.php
@@ -20,6 +20,7 @@ class ResetGeneratedAvatarFlag implements IRepairStep {
 	) {
 	}
 
+	#[\Override]
 	public function getName(): string {
 		return 'Reset generated avatar flag';
 	}
@@ -29,6 +30,7 @@ class ResetGeneratedAvatarFlag implements IRepairStep {
 		return version_compare($versionFromBeforeUpdate, '18.0.0.5', '<=');
 	}
 
+	#[\Override]
 	public function run(IOutput $output): void {
 		if ($this->shouldRun()) {
 			$query = $this->connection->getQueryBuilder();
diff --git a/lib/private/Repair/NC20/EncryptionLegacyCipher.php b/lib/private/Repair/NC20/EncryptionLegacyCipher.php
index ca8986e78db..32f98a140d7 100644
--- a/lib/private/Repair/NC20/EncryptionLegacyCipher.php
+++ b/lib/private/Repair/NC20/EncryptionLegacyCipher.php
@@ -20,6 +20,7 @@ class EncryptionLegacyCipher implements IRepairStep {
 	) {
 	}
 
+	#[\Override]
 	public function getName(): string {
 		return 'Keep legacy encryption enabled';
 	}
@@ -29,6 +30,7 @@ class EncryptionLegacyCipher implements IRepairStep {
 		return version_compare($versionFromBeforeUpdate, '20.0.0.0', '<=');
 	}
 
+	#[\Override]
 	public function run(IOutput $output): void {
 		if (!$this->shouldRun()) {
 			return;
diff --git a/lib/private/Repair/NC20/EncryptionMigration.php b/lib/private/Repair/NC20/EncryptionMigration.php
index 91fca99c5d2..d46752dbcfc 100644
--- a/lib/private/Repair/NC20/EncryptionMigration.php
+++ b/lib/private/Repair/NC20/EncryptionMigration.php
@@ -20,6 +20,7 @@ class EncryptionMigration implements IRepairStep {
 	) {
 	}
 
+	#[\Override]
 	public function getName(): string {
 		return 'Check encryption key format';
 	}
@@ -29,6 +30,7 @@ class EncryptionMigration implements IRepairStep {
 		return version_compare($versionFromBeforeUpdate, '20.0.0.1', '<=');
 	}
 
+	#[\Override]
 	public function run(IOutput $output): void {
 		if (!$this->shouldRun()) {
 			return;
diff --git a/lib/private/Repair/NC20/ShippedDashboardEnable.php b/lib/private/Repair/NC20/ShippedDashboardEnable.php
index 5d505d0c3ef..4ff1bae77e1 100644
--- a/lib/private/Repair/NC20/ShippedDashboardEnable.php
+++ b/lib/private/Repair/NC20/ShippedDashboardEnable.php
@@ -18,10 +18,12 @@ class ShippedDashboardEnable implements IRepairStep {
 	) {
 	}
 
+	#[\Override]
 	public function getName(): string {
 		return 'Remove old dashboard app config data';
 	}
 
+	#[\Override]
 	public function run(IOutput $output): void {
 		$version = $this->config->getAppValue('dashboard', 'version', '7.0.0');
 		if (version_compare($version, '7.0.0', '<')) {
diff --git a/lib/private/Repair/NC21/AddCheckForUserCertificatesJob.php b/lib/private/Repair/NC21/AddCheckForUserCertificatesJob.php
index 1890df81cf1..e16a5862cd5 100644
--- a/lib/private/Repair/NC21/AddCheckForUserCertificatesJob.php
+++ b/lib/private/Repair/NC21/AddCheckForUserCertificatesJob.php
@@ -21,6 +21,7 @@ class AddCheckForUserCertificatesJob implements IRepairStep {
 	) {
 	}
 
+	#[\Override]
 	public function getName(): string {
 		return 'Queue a one-time job to check for user uploaded certificates';
 	}
@@ -32,6 +33,7 @@ class AddCheckForUserCertificatesJob implements IRepairStep {
 		return version_compare($versionFromBeforeUpdate, '21.0.0.2', '<');
 	}
 
+	#[\Override]
 	public function run(IOutput $output): void {
 		if ($this->shouldRun()) {
 			$this->config->setAppValue('files_external', 'user_certificate_scan', 'not-run-yet');
diff --git a/lib/private/Repair/NC22/LookupServerSendCheck.php b/lib/private/Repair/NC22/LookupServerSendCheck.php
index 453e06fd606..47d752cfcb7 100644
--- a/lib/private/Repair/NC22/LookupServerSendCheck.php
+++ b/lib/private/Repair/NC22/LookupServerSendCheck.php
@@ -19,10 +19,12 @@ class LookupServerSendCheck implements IRepairStep {
 	) {
 	}
 
+	#[\Override]
 	public function getName(): string {
 		return 'Add background job to set the lookup server share state for users';
 	}
 
+	#[\Override]
 	public function run(IOutput $output): void {
 		$this->jobList->add(LookupServerSendCheckBackgroundJob::class);
 	}
diff --git a/lib/private/Repair/NC24/AddTokenCleanupJob.php b/lib/private/Repair/NC24/AddTokenCleanupJob.php
index be6b24b0c1c..2fa9235c9f9 100644
--- a/lib/private/Repair/NC24/AddTokenCleanupJob.php
+++ b/lib/private/Repair/NC24/AddTokenCleanupJob.php
@@ -19,10 +19,12 @@ class AddTokenCleanupJob implements IRepairStep {
 	) {
 	}
 
+	#[\Override]
 	public function getName(): string {
 		return 'Add token cleanup job';
 	}
 
+	#[\Override]
 	public function run(IOutput $output) {
 		$this->jobList->add(TokenCleanupJob::class);
 	}
diff --git a/lib/private/Repair/NC25/AddMissingSecretJob.php b/lib/private/Repair/NC25/AddMissingSecretJob.php
index 2b8f5934ee8..d754862a1ac 100644
--- a/lib/private/Repair/NC25/AddMissingSecretJob.php
+++ b/lib/private/Repair/NC25/AddMissingSecretJob.php
@@ -21,10 +21,12 @@ class AddMissingSecretJob implements IRepairStep {
 	) {
 	}
 
+	#[\Override]
 	public function getName(): string {
 		return 'Add possibly missing system config';
 	}
 
+	#[\Override]
 	public function run(IOutput $output): void {
 		$passwordSalt = $this->config->getSystemValueString('passwordsalt', '');
 		if ($passwordSalt === '') {
diff --git a/lib/private/Repair/NC29/SanitizeAccountProperties.php b/lib/private/Repair/NC29/SanitizeAccountProperties.php
index 412570ba71d..da51c67e268 100644
--- a/lib/private/Repair/NC29/SanitizeAccountProperties.php
+++ b/lib/private/Repair/NC29/SanitizeAccountProperties.php
@@ -19,10 +19,12 @@ class SanitizeAccountProperties implements IRepairStep {
 	) {
 	}
 
+	#[\Override]
 	public function getName(): string {
 		return 'Validate account properties and store phone numbers in a known format for search';
 	}
 
+	#[\Override]
 	public function run(IOutput $output): void {
 		$this->jobList->add(SanitizeAccountPropertiesJob::class, null);
 		$output->info('Queued background to validate account properties.');
diff --git a/lib/private/Repair/NC29/SanitizeAccountPropertiesJob.php b/lib/private/Repair/NC29/SanitizeAccountPropertiesJob.php
index 530805d3637..fbce960d302 100644
--- a/lib/private/Repair/NC29/SanitizeAccountPropertiesJob.php
+++ b/lib/private/Repair/NC29/SanitizeAccountPropertiesJob.php
@@ -35,6 +35,7 @@ class SanitizeAccountPropertiesJob extends QueuedJob {
 		$this->setAllowParallelRuns(false);
 	}
 
+	#[\Override]
 	protected function run(mixed $argument): void {
 		$numRemoved = 0;
 
diff --git a/lib/private/Repair/NC30/RemoveLegacyDatadirFile.php b/lib/private/Repair/NC30/RemoveLegacyDatadirFile.php
index 623163927bd..80b7da014f4 100644
--- a/lib/private/Repair/NC30/RemoveLegacyDatadirFile.php
+++ b/lib/private/Repair/NC30/RemoveLegacyDatadirFile.php
@@ -19,10 +19,12 @@ class RemoveLegacyDatadirFile implements IRepairStep {
 	) {
 	}
 
+	#[\Override]
 	public function getName(): string {
 		return 'Remove legacy ".ocdata" file';
 	}
 
+	#[\Override]
 	public function run(IOutput $output): void {
 		$ocdata = $this->config->getSystemValueString('datadirectory', \OC::$SERVERROOT . '/data') . '/.ocdata';
 		if (file_exists($ocdata)) {
diff --git a/lib/private/Repair/OldGroupMembershipShares.php b/lib/private/Repair/OldGroupMembershipShares.php
index a0ae19957e5..602cbcac478 100644
--- a/lib/private/Repair/OldGroupMembershipShares.php
+++ b/lib/private/Repair/OldGroupMembershipShares.php
@@ -25,6 +25,7 @@ class OldGroupMembershipShares implements IRepairStep {
 	) {
 	}
 
+	#[\Override]
 	public function getName(): string {
 		return 'Remove shares of old group memberships';
 	}
@@ -35,6 +36,7 @@ class OldGroupMembershipShares implements IRepairStep {
 	 *
 	 * @throws \Exception in case of failure
 	 */
+	#[\Override]
 	public function run(IOutput $output): void {
 		$deletedEntries = 0;
 
diff --git a/lib/private/Repair/Owncloud/CleanPreviewsBackgroundJob.php b/lib/private/Repair/Owncloud/CleanPreviewsBackgroundJob.php
index be63bda063e..ff83de3b5bb 100644
--- a/lib/private/Repair/Owncloud/CleanPreviewsBackgroundJob.php
+++ b/lib/private/Repair/Owncloud/CleanPreviewsBackgroundJob.php
@@ -29,6 +29,7 @@ class CleanPreviewsBackgroundJob extends QueuedJob {
 		parent::__construct($timeFactory);
 	}
 
+	#[\Override]
 	public function run($argument): void {
 		$uid = $argument['uid'];
 		if (!$this->userManager->userExists($uid)) {
diff --git a/lib/private/Repair/Owncloud/DropAccountTermsTable.php b/lib/private/Repair/Owncloud/DropAccountTermsTable.php
index f848a99af57..a0b4b19433c 100644
--- a/lib/private/Repair/Owncloud/DropAccountTermsTable.php
+++ b/lib/private/Repair/Owncloud/DropAccountTermsTable.php
@@ -18,10 +18,12 @@ class DropAccountTermsTable implements IRepairStep {
 	) {
 	}
 
+	#[\Override]
 	public function getName(): string {
 		return 'Drop account terms table when migrating from ownCloud';
 	}
 
+	#[\Override]
 	public function run(IOutput $output): void {
 		if (!$this->db->tableExists('account_terms')) {
 			return;
diff --git a/lib/private/Repair/Owncloud/MigrateOauthTables.php b/lib/private/Repair/Owncloud/MigrateOauthTables.php
index 1d7b630b4e5..437ef59821b 100644
--- a/lib/private/Repair/Owncloud/MigrateOauthTables.php
+++ b/lib/private/Repair/Owncloud/MigrateOauthTables.php
@@ -34,10 +34,12 @@ class MigrateOauthTables implements IRepairStep {
 	) {
 	}
 
+	#[\Override]
 	public function getName(): string {
 		return 'Migrate oauth2_clients table to nextcloud schema';
 	}
 
+	#[\Override]
 	public function run(IOutput $output): void {
 		$schema = new SchemaWrapper($this->db);
 		if (!$schema->hasTable('oauth2_clients')) {
diff --git a/lib/private/Repair/Owncloud/MigratePropertiesTable.php b/lib/private/Repair/Owncloud/MigratePropertiesTable.php
index 60122bbf3d1..09fe5fddb89 100644
--- a/lib/private/Repair/Owncloud/MigratePropertiesTable.php
+++ b/lib/private/Repair/Owncloud/MigratePropertiesTable.php
@@ -23,10 +23,12 @@ class MigratePropertiesTable implements IRepairStep {
 	) {
 	}
 
+	#[\Override]
 	public function getName(): string {
 		return 'Migrate oc_properties table to nextcloud schema';
 	}
 
+	#[\Override]
 	public function run(IOutput $output): void {
 		$schema = new SchemaWrapper($this->db);
 		if (!$schema->hasTable('oc_properties')) {
diff --git a/lib/private/Repair/Owncloud/MoveAvatars.php b/lib/private/Repair/Owncloud/MoveAvatars.php
index fd38fc79d64..26c280fb840 100644
--- a/lib/private/Repair/Owncloud/MoveAvatars.php
+++ b/lib/private/Repair/Owncloud/MoveAvatars.php
@@ -20,10 +20,12 @@ class MoveAvatars implements IRepairStep {
 	) {
 	}
 
+	#[\Override]
 	public function getName(): string {
 		return 'Add move avatar background job';
 	}
 
+	#[\Override]
 	public function run(IOutput $output): void {
 		// only run once
 		if ($this->config->getAppValue('core', 'moveavatarsdone') === 'yes') {
diff --git a/lib/private/Repair/Owncloud/MoveAvatarsBackgroundJob.php b/lib/private/Repair/Owncloud/MoveAvatarsBackgroundJob.php
index 3b8936894e7..6895cad0e1c 100644
--- a/lib/private/Repair/Owncloud/MoveAvatarsBackgroundJob.php
+++ b/lib/private/Repair/Owncloud/MoveAvatarsBackgroundJob.php
@@ -36,6 +36,7 @@ class MoveAvatarsBackgroundJob extends QueuedJob {
 		}
 	}
 
+	#[\Override]
 	public function run($argument) {
 		$this->logger->info('Started migrating avatars to AppData folder');
 		$this->moveAvatars();
diff --git a/lib/private/Repair/Owncloud/SaveAccountsTableData.php b/lib/private/Repair/Owncloud/SaveAccountsTableData.php
index 61284a09e5d..d37c941b7e8 100644
--- a/lib/private/Repair/Owncloud/SaveAccountsTableData.php
+++ b/lib/private/Repair/Owncloud/SaveAccountsTableData.php
@@ -28,10 +28,12 @@ class SaveAccountsTableData implements IRepairStep {
 	) {
 	}
 
+	#[\Override]
 	public function getName(): string {
 		return 'Copy data from accounts table when migrating from ownCloud';
 	}
 
+	#[\Override]
 	public function run(IOutput $output): void {
 		if (!$this->shouldRun()) {
 			return;
diff --git a/lib/private/Repair/RemoveLinkShares.php b/lib/private/Repair/RemoveLinkShares.php
index 5ea1d4b9258..25255f9d3f8 100644
--- a/lib/private/Repair/RemoveLinkShares.php
+++ b/lib/private/Repair/RemoveLinkShares.php
@@ -31,6 +31,7 @@ class RemoveLinkShares implements IRepairStep {
 	) {
 	}
 
+	#[\Override]
 	public function getName(): string {
 		return 'Remove potentially over exposing share links';
 	}
@@ -184,6 +185,7 @@ class RemoveLinkShares implements IRepairStep {
 		$this->sendNotification();
 	}
 
+	#[\Override]
 	public function run(IOutput $output): void {
 		if ($this->shouldRun() === false || ($total = $this->getTotal()) === 0) {
 			$output->info('No need to remove link shares.');
diff --git a/lib/private/Repair/RepairDavShares.php b/lib/private/Repair/RepairDavShares.php
index c21c0274461..1321fd7913c 100644
--- a/lib/private/Repair/RepairDavShares.php
+++ b/lib/private/Repair/RepairDavShares.php
@@ -33,6 +33,7 @@ class RepairDavShares implements IRepairStep {
 	) {
 	}
 
+	#[\Override]
 	public function getName(): string {
 		return 'Repair DAV shares';
 	}
@@ -88,6 +89,7 @@ class RepairDavShares implements IRepairStep {
 		return true;
 	}
 
+	#[\Override]
 	public function run(IOutput $output): void {
 		$versionFromBeforeUpdate = $this->config->getSystemValueString('version', '0.0.0');
 		if (version_compare($versionFromBeforeUpdate, '20.0.8', '<')
diff --git a/lib/private/Repair/RepairInvalidShares.php b/lib/private/Repair/RepairInvalidShares.php
index 5939d0d6430..1793ef55f30 100644
--- a/lib/private/Repair/RepairInvalidShares.php
+++ b/lib/private/Repair/RepairInvalidShares.php
@@ -25,6 +25,7 @@ class RepairInvalidShares implements IRepairStep {
 	) {
 	}
 
+	#[\Override]
 	public function getName(): string {
 		return 'Repair invalid shares';
 	}
@@ -85,6 +86,7 @@ class RepairInvalidShares implements IRepairStep {
 		}
 	}
 
+	#[\Override]
 	public function run(IOutput $output) {
 		$ocVersionFromBeforeUpdate = $this->config->getSystemValueString('version', '0.0.0');
 		if (version_compare($ocVersionFromBeforeUpdate, '12.0.0.11', '<')) {
diff --git a/lib/private/Repair/RepairLogoDimension.php b/lib/private/Repair/RepairLogoDimension.php
index 854aeb3ab07..7d01bbea696 100644
--- a/lib/private/Repair/RepairLogoDimension.php
+++ b/lib/private/Repair/RepairLogoDimension.php
@@ -22,10 +22,12 @@ class RepairLogoDimension implements IRepairStep {
 	) {
 	}
 
+	#[\Override]
 	public function getName(): string {
 		return 'Cache logo dimension to fix size in emails on Outlook';
 	}
 
+	#[\Override]
 	public function run(IOutput $output): void {
 		$logoDimensions = $this->config->getAppValue('theming', 'logoDimensions');
 		if (preg_match('/^\d+x\d+$/', $logoDimensions)) {
diff --git a/lib/private/Repair/RepairMimeTypes.php b/lib/private/Repair/RepairMimeTypes.php
index a9ef95b50c2..0fa3ebc51fe 100644
--- a/lib/private/Repair/RepairMimeTypes.php
+++ b/lib/private/Repair/RepairMimeTypes.php
@@ -28,6 +28,7 @@ class RepairMimeTypes implements IRepairStep {
 	) {
 	}
 
+	#[\Override]
 	public function getName(): string {
 		return 'Repair mime types';
 	}
@@ -403,6 +404,7 @@ class RepairMimeTypes implements IRepairStep {
 	 *
 	 * @throws Exception
 	 */
+	#[\Override]
 	public function run(IOutput $output): void {
 		$serverVersion = $this->config->getSystemValueString('version', '0.0.0');
 		$mimeTypeVersion = $this->getMimeTypeVersion();
diff --git a/lib/private/RichObjectStrings/RichTextFormatter.php b/lib/private/RichObjectStrings/RichTextFormatter.php
index 9c9ddf94fa9..643ca5ba3fe 100644
--- a/lib/private/RichObjectStrings/RichTextFormatter.php
+++ b/lib/private/RichObjectStrings/RichTextFormatter.php
@@ -15,6 +15,7 @@ class RichTextFormatter implements IRichTextFormatter {
 	/**
 	 * @throws \InvalidArgumentException if a parameter has no name or no type
 	 */
+	#[\Override]
 	public function richToParsed(string $message, array $parameters): string {
 		$placeholders = [];
 		$replacements = [];
diff --git a/lib/private/RichObjectStrings/Validator.php b/lib/private/RichObjectStrings/Validator.php
index adc4a8710f7..14a034d0980 100644
--- a/lib/private/RichObjectStrings/Validator.php
+++ b/lib/private/RichObjectStrings/Validator.php
@@ -32,6 +32,7 @@ class Validator implements IValidator {
 	 * @throws InvalidObjectExeption
 	 * @since 11.0.0
 	 */
+	#[\Override]
 	public function validate(string $subject, array $parameters): void {
 		$matches = [];
 		$result = preg_match_all('/\{(' . self::PLACEHOLDER_REGEX . ')\}/', $subject, $matches);
diff --git a/lib/private/Route/CachingRouter.php b/lib/private/Route/CachingRouter.php
index 8ed90350135..bbc20ac7b77 100644
--- a/lib/private/Route/CachingRouter.php
+++ b/lib/private/Route/CachingRouter.php
@@ -46,6 +46,7 @@ class CachingRouter extends Router {
 	 * @param bool $absolute
 	 * @return string
 	 */
+	#[\Override]
 	public function generate($name, $parameters = [], $absolute = false) {
 		asort($parameters);
 		$key = $this->context->getHost() . '#' . $this->context->getBaseUrl() . $name . sha1(json_encode($parameters)) . (int)$absolute;
@@ -73,6 +74,7 @@ class CachingRouter extends Router {
 	 * @throws \Exception
 	 * @return array
 	 */
+	#[\Override]
 	public function findMatchingRoute(string $url): array {
 		$this->eventLogger->start('cacheroute:match', 'Match route');
 		$key = $this->context->getHost() . '#' . $this->context->getBaseUrl() . '#rootCollection';
@@ -117,6 +119,7 @@ class CachingRouter extends Router {
 	/**
 	 * @param array{action:mixed, ...} $parameters
 	 */
+	#[\Override]
 	protected function callLegacyActionRoute(array $parameters): void {
 		/*
 		 * Closures cannot be serialized to cache, so for legacy routes calling an action we have to include the routes.php file again
@@ -138,6 +141,7 @@ class CachingRouter extends Router {
 	 * @param array $defaults An array of default parameter values
 	 * @param array $requirements An array of requirements for parameters (regexes)
 	 */
+	#[\Override]
 	public function create($name, $pattern, array $defaults = [], array $requirements = []): Route {
 		$this->legacyCreatedRoutes[] = $name;
 		return parent::create($name, $pattern, $defaults, $requirements);
@@ -146,6 +150,7 @@ class CachingRouter extends Router {
 	/**
 	 * Require a routes.php file
 	 */
+	#[\Override]
 	protected function requireRouteFile(string $file, string $appName): void {
 		$this->legacyCreatedRoutes = [];
 		parent::requireRouteFile($file, $appName);
diff --git a/lib/private/Route/Route.php b/lib/private/Route/Route.php
index ad967135104..2d9becc86e3 100644
--- a/lib/private/Route/Route.php
+++ b/lib/private/Route/Route.php
@@ -17,6 +17,7 @@ class Route extends SymfonyRoute implements IRoute {
 	 * @param string|array $method HTTP method
 	 * @return \OC\Route\Route
 	 */
+	#[\Override]
 	public function method($method) {
 		$this->setMethods($method);
 		return $this;
@@ -26,6 +27,7 @@ class Route extends SymfonyRoute implements IRoute {
 	 * Specify POST as the method to use with this route
 	 * @return \OC\Route\Route
 	 */
+	#[\Override]
 	public function post() {
 		$this->method('POST');
 		return $this;
@@ -35,6 +37,7 @@ class Route extends SymfonyRoute implements IRoute {
 	 * Specify GET as the method to use with this route
 	 * @return \OC\Route\Route
 	 */
+	#[\Override]
 	public function get() {
 		$this->method('GET');
 		return $this;
@@ -44,6 +47,7 @@ class Route extends SymfonyRoute implements IRoute {
 	 * Specify PUT as the method to use with this route
 	 * @return \OC\Route\Route
 	 */
+	#[\Override]
 	public function put() {
 		$this->method('PUT');
 		return $this;
@@ -53,6 +57,7 @@ class Route extends SymfonyRoute implements IRoute {
 	 * Specify DELETE as the method to use with this route
 	 * @return \OC\Route\Route
 	 */
+	#[\Override]
 	public function delete() {
 		$this->method('DELETE');
 		return $this;
@@ -62,6 +67,7 @@ class Route extends SymfonyRoute implements IRoute {
 	 * Specify PATCH as the method to use with this route
 	 * @return \OC\Route\Route
 	 */
+	#[\Override]
 	public function patch() {
 		$this->method('PATCH');
 		return $this;
@@ -73,6 +79,7 @@ class Route extends SymfonyRoute implements IRoute {
 	 * @param array $defaults The defaults
 	 * @return \OC\Route\Route
 	 */
+	#[\Override]
 	public function defaults($defaults) {
 		$action = $this->getDefault('action');
 		$this->setDefaults($defaults);
@@ -89,6 +96,7 @@ class Route extends SymfonyRoute implements IRoute {
 	 * @param array $requirements The requirements
 	 * @return \OC\Route\Route
 	 */
+	#[\Override]
 	public function requirements($requirements) {
 		$method = $this->getMethods();
 		$this->setRequirements($requirements);
@@ -111,6 +119,7 @@ class Route extends SymfonyRoute implements IRoute {
 	 * This function is called with $class set to a callable or
 	 * to the class with $function
 	 */
+	#[\Override]
 	public function action($class, $function = null) {
 		$action = [$class, $function];
 		if (is_null($function)) {
@@ -125,6 +134,7 @@ class Route extends SymfonyRoute implements IRoute {
 	 * it is called directly
 	 * @param string $file
 	 */
+	#[\Override]
 	public function actionInclude($file) {
 		$this->setDefault('file', $file);
 		return $this;
diff --git a/lib/private/Route/Router.php b/lib/private/Route/Router.php
index c0170b7dd83..e4d1a65da3f 100644
--- a/lib/private/Route/Router.php
+++ b/lib/private/Route/Router.php
@@ -233,6 +233,7 @@ class Router implements IRouter {
 	 * @param array $requirements An array of requirements for parameters (regexes)
 	 * @return \OC\Route\Route
 	 */
+	#[\Override]
 	public function create($name,
 		$pattern,
 		array $defaults = [],
diff --git a/lib/private/Search/Filter/BooleanFilter.php b/lib/private/Search/Filter/BooleanFilter.php
index 894dc13b657..2be28b672fe 100644
--- a/lib/private/Search/Filter/BooleanFilter.php
+++ b/lib/private/Search/Filter/BooleanFilter.php
@@ -23,6 +23,7 @@ class BooleanFilter implements IFilter {
 		};
 	}
 
+	#[\Override]
 	public function get(): bool {
 		return $this->value;
 	}
diff --git a/lib/private/Search/Filter/DateTimeFilter.php b/lib/private/Search/Filter/DateTimeFilter.php
index 48c1725a5e1..b4a70af8fe5 100644
--- a/lib/private/Search/Filter/DateTimeFilter.php
+++ b/lib/private/Search/Filter/DateTimeFilter.php
@@ -23,6 +23,7 @@ class DateTimeFilter implements IFilter {
 		$this->value = new DateTimeImmutable($value);
 	}
 
+	#[\Override]
 	public function get(): DateTimeImmutable {
 		return $this->value;
 	}
diff --git a/lib/private/Search/Filter/FloatFilter.php b/lib/private/Search/Filter/FloatFilter.php
index f2384552943..db221725427 100644
--- a/lib/private/Search/Filter/FloatFilter.php
+++ b/lib/private/Search/Filter/FloatFilter.php
@@ -22,6 +22,7 @@ class FloatFilter implements IFilter {
 		}
 	}
 
+	#[\Override]
 	public function get(): float {
 		return $this->value;
 	}
diff --git a/lib/private/Search/Filter/GroupFilter.php b/lib/private/Search/Filter/GroupFilter.php
index fe0b2ce42d8..ee742290898 100644
--- a/lib/private/Search/Filter/GroupFilter.php
+++ b/lib/private/Search/Filter/GroupFilter.php
@@ -28,6 +28,7 @@ class GroupFilter implements IFilter {
 		$this->group = $group;
 	}
 
+	#[\Override]
 	public function get(): IGroup {
 		return $this->group;
 	}
diff --git a/lib/private/Search/Filter/IntegerFilter.php b/lib/private/Search/Filter/IntegerFilter.php
index 028b7d0678f..24e91c2501b 100644
--- a/lib/private/Search/Filter/IntegerFilter.php
+++ b/lib/private/Search/Filter/IntegerFilter.php
@@ -22,6 +22,7 @@ class IntegerFilter implements IFilter {
 		}
 	}
 
+	#[\Override]
 	public function get(): int {
 		return $this->value;
 	}
diff --git a/lib/private/Search/Filter/StringFilter.php b/lib/private/Search/Filter/StringFilter.php
index 6944a7803f3..309d4f6c699 100644
--- a/lib/private/Search/Filter/StringFilter.php
+++ b/lib/private/Search/Filter/StringFilter.php
@@ -21,6 +21,7 @@ class StringFilter implements IFilter {
 		}
 	}
 
+	#[\Override]
 	public function get(): string {
 		return $this->value;
 	}
diff --git a/lib/private/Search/Filter/StringsFilter.php b/lib/private/Search/Filter/StringsFilter.php
index 8b8fabb5347..c393442e1f6 100644
--- a/lib/private/Search/Filter/StringsFilter.php
+++ b/lib/private/Search/Filter/StringsFilter.php
@@ -28,6 +28,7 @@ class StringsFilter implements IFilter {
 	/**
 	 * @return string[]
 	 */
+	#[\Override]
 	public function get(): array {
 		return $this->values;
 	}
diff --git a/lib/private/Search/Filter/UserFilter.php b/lib/private/Search/Filter/UserFilter.php
index 4f2061a4ba6..52660e0dda1 100644
--- a/lib/private/Search/Filter/UserFilter.php
+++ b/lib/private/Search/Filter/UserFilter.php
@@ -28,6 +28,7 @@ class UserFilter implements IFilter {
 		$this->user = $user;
 	}
 
+	#[\Override]
 	public function get(): IUser {
 		return $this->user;
 	}
diff --git a/lib/private/Search/FilterCollection.php b/lib/private/Search/FilterCollection.php
index 030564db7de..dfd02e7ef2e 100644
--- a/lib/private/Search/FilterCollection.php
+++ b/lib/private/Search/FilterCollection.php
@@ -27,20 +27,24 @@ class FilterCollection implements IFilterCollection {
 		$this->filters = $filters;
 	}
 
+	#[\Override]
 	public function has(string $name): bool {
 		return isset($this->filters[$name]);
 	}
 
+	#[\Override]
 	public function get(string $name): ?IFilter {
 		return $this->filters[$name] ?? null;
 	}
 
+	#[\Override]
 	public function getIterator(): Generator {
 		foreach ($this->filters as $k => $v) {
 			yield $k => $v;
 		}
 	}
 
+	#[\Override]
 	public function count(): int {
 		return count($this->filters);
 	}
diff --git a/lib/private/Search/SearchQuery.php b/lib/private/Search/SearchQuery.php
index 791edb7a0f7..4ed81bdebff 100644
--- a/lib/private/Search/SearchQuery.php
+++ b/lib/private/Search/SearchQuery.php
@@ -29,36 +29,44 @@ class SearchQuery implements ISearchQuery {
 	) {
 	}
 
+	#[\Override]
 	public function getTerm(): string {
 		return $this->getFilter('term')?->get() ?? '';
 	}
 
+	#[\Override]
 	public function getFilter(string $name): ?IFilter {
 		return $this->filters->has($name)
 			? $this->filters->get($name)
 			: null;
 	}
 
+	#[\Override]
 	public function getFilters(): IFilterCollection {
 		return $this->filters;
 	}
 
+	#[\Override]
 	public function getSortOrder(): int {
 		return $this->sortOrder;
 	}
 
+	#[\Override]
 	public function getLimit(): int {
 		return $this->limit;
 	}
 
+	#[\Override]
 	public function getCursor(): int|string|null {
 		return $this->cursor;
 	}
 
+	#[\Override]
 	public function getRoute(): string {
 		return $this->route;
 	}
 
+	#[\Override]
 	public function getRouteParameters(): array {
 		return $this->routeParameters;
 	}
diff --git a/lib/private/Security/Bruteforce/Backend/DatabaseBackend.php b/lib/private/Security/Bruteforce/Backend/DatabaseBackend.php
index ddf31175c5e..49570685851 100644
--- a/lib/private/Security/Bruteforce/Backend/DatabaseBackend.php
+++ b/lib/private/Security/Bruteforce/Backend/DatabaseBackend.php
@@ -21,6 +21,7 @@ class DatabaseBackend implements IBackend {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function getAttempts(
 		string $ipSubnet,
 		int $maxAgeTimestamp,
@@ -52,6 +53,7 @@ class DatabaseBackend implements IBackend {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function resetAttempts(
 		string $ipSubnet,
 		?string $action = null,
@@ -76,6 +78,7 @@ class DatabaseBackend implements IBackend {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function registerAttempt(
 		string $ip,
 		string $ipSubnet,
diff --git a/lib/private/Security/Bruteforce/Backend/MemoryCacheBackend.php b/lib/private/Security/Bruteforce/Backend/MemoryCacheBackend.php
index 9a0723db47e..633f75d4e9d 100644
--- a/lib/private/Security/Bruteforce/Backend/MemoryCacheBackend.php
+++ b/lib/private/Security/Bruteforce/Backend/MemoryCacheBackend.php
@@ -51,6 +51,7 @@ class MemoryCacheBackend implements IBackend {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function getAttempts(
 		string $ipSubnet,
 		int $maxAgeTimestamp,
@@ -80,6 +81,7 @@ class MemoryCacheBackend implements IBackend {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function resetAttempts(
 		string $ipSubnet,
 		?string $action = null,
@@ -116,6 +118,7 @@ class MemoryCacheBackend implements IBackend {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function registerAttempt(
 		string $ip,
 		string $ipSubnet,
diff --git a/lib/private/Security/Bruteforce/Capabilities.php b/lib/private/Security/Bruteforce/Capabilities.php
index 581b4480a27..d2ddc0bf05b 100644
--- a/lib/private/Security/Bruteforce/Capabilities.php
+++ b/lib/private/Security/Bruteforce/Capabilities.php
@@ -23,6 +23,7 @@ class Capabilities implements IPublicCapability, IInitialStateExcludedCapability
 	/**
 	 * @return array{bruteforce: array{delay: int, allow-listed: bool}}
 	 */
+	#[\Override]
 	public function getCapabilities(): array {
 		return [
 			'bruteforce' => [
diff --git a/lib/private/Security/Bruteforce/CleanupJob.php b/lib/private/Security/Bruteforce/CleanupJob.php
index f07e4dbacbd..9033d4b775e 100644
--- a/lib/private/Security/Bruteforce/CleanupJob.php
+++ b/lib/private/Security/Bruteforce/CleanupJob.php
@@ -25,6 +25,7 @@ class CleanupJob extends TimedJob {
 		$this->setTimeSensitivity(self::TIME_INSENSITIVE);
 	}
 
+	#[\Override]
 	protected function run($argument): void {
 		// Delete all entries more than 48 hours old
 		$time = $this->time->getTime() - (48 * 3600);
diff --git a/lib/private/Security/Bruteforce/Throttler.php b/lib/private/Security/Bruteforce/Throttler.php
index 574f6c80c3f..6c5ebdce084 100644
--- a/lib/private/Security/Bruteforce/Throttler.php
+++ b/lib/private/Security/Bruteforce/Throttler.php
@@ -46,6 +46,7 @@ class Throttler implements IThrottler {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function registerAttempt(string $action,
 		string $ip,
 		array $metadata = []): void {
@@ -82,6 +83,7 @@ class Throttler implements IThrottler {
 	/**
 	 * Check if the IP is whitelisted
 	 */
+	#[\Override]
 	public function isBypassListed(string $ip): bool {
 		return $this->allowList->isBypassListed($ip);
 	}
@@ -89,6 +91,7 @@ class Throttler implements IThrottler {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function showBruteforceWarning(string $ip, string $action = ''): bool {
 		$attempts = $this->getAttempts($ip, $action);
 		// 4 failed attempts is the last delay below 5 seconds
@@ -98,6 +101,7 @@ class Throttler implements IThrottler {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function getAttempts(string $ip, string $action = '', float $maxAgeHours = 12): int {
 		if ($maxAgeHours > 48) {
 			$this->logger->error('Bruteforce has to use less than 48 hours');
@@ -125,6 +129,7 @@ class Throttler implements IThrottler {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function getDelay(string $ip, string $action = ''): int {
 		$attempts = $this->getAttempts($ip, $action);
 		return $this->calculateDelay($attempts);
@@ -154,6 +159,7 @@ class Throttler implements IThrottler {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function resetDelay(string $ip, string $action, array $metadata): void {
 		// No need to log if the bruteforce protection is disabled
 		if (!$this->config->getSystemValueBool('auth.bruteforce.protection.enabled', true)) {
@@ -177,6 +183,7 @@ class Throttler implements IThrottler {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function resetDelayForIP(string $ip): void {
 		// No need to log if the bruteforce protection is disabled
 		if (!$this->config->getSystemValueBool('auth.bruteforce.protection.enabled', true)) {
@@ -194,6 +201,7 @@ class Throttler implements IThrottler {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function sleepDelay(string $ip, string $action = ''): int {
 		$delay = $this->getDelay($ip, $action);
 		if (!$this->config->getSystemValueBool('auth.bruteforce.protection.testing')) {
@@ -205,6 +213,7 @@ class Throttler implements IThrottler {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function sleepDelayOrThrowOnMax(string $ip, string $action = ''): int {
 		$maxAttempts = $this->config->getSystemValueInt('auth.bruteforce.max-attempts', self::MAX_ATTEMPTS);
 		$attempts = $this->getAttempts($ip, $action);
diff --git a/lib/private/Security/CSP/ContentSecurityPolicyManager.php b/lib/private/Security/CSP/ContentSecurityPolicyManager.php
index e9d6b2945a8..7804bca7741 100644
--- a/lib/private/Security/CSP/ContentSecurityPolicyManager.php
+++ b/lib/private/Security/CSP/ContentSecurityPolicyManager.php
@@ -25,6 +25,7 @@ class ContentSecurityPolicyManager implements IContentSecurityPolicyManager {
 	}
 
 	/** {@inheritdoc} */
+	#[\Override]
 	public function addDefaultPolicy(EmptyContentSecurityPolicy $policy): void {
 		$this->policies[] = $policy;
 	}
diff --git a/lib/private/Security/Certificate.php b/lib/private/Security/Certificate.php
index 81c2b9461a3..31015a1d6bd 100644
--- a/lib/private/Security/Certificate.php
+++ b/lib/private/Security/Certificate.php
@@ -63,35 +63,43 @@ class Certificate implements ICertificate {
 		$this->issuerOrganization = $info['issuer']['O'] ?? null;
 	}
 
+	#[\Override]
 	public function getName(): string {
 		return $this->name;
 	}
 
+	#[\Override]
 	public function getCommonName(): ?string {
 		return $this->commonName;
 	}
 
+	#[\Override]
 	public function getOrganization(): ?string {
 		return $this->organization;
 	}
 
+	#[\Override]
 	public function getIssueDate(): \DateTime {
 		return $this->issueDate;
 	}
 
+	#[\Override]
 	public function getExpireDate(): \DateTime {
 		return $this->expireDate;
 	}
 
+	#[\Override]
 	public function isExpired(): bool {
 		$now = new \DateTime();
 		return $this->issueDate > $now || $now > $this->expireDate;
 	}
 
+	#[\Override]
 	public function getIssuerName(): ?string {
 		return $this->issuerName;
 	}
 
+	#[\Override]
 	public function getIssuerOrganization(): ?string {
 		return $this->issuerOrganization;
 	}
diff --git a/lib/private/Security/CertificateManager.php b/lib/private/Security/CertificateManager.php
index 5dfeed1c07a..fb0e3d5fffa 100644
--- a/lib/private/Security/CertificateManager.php
+++ b/lib/private/Security/CertificateManager.php
@@ -34,6 +34,7 @@ class CertificateManager implements ICertificateManager {
 	 *
 	 * @return ICertificate[]
 	 */
+	#[\Override]
 	public function listCertificates(): array {
 		if (!$this->config->getSystemValueBool('installed', false)) {
 			return [];
@@ -148,6 +149,7 @@ class CertificateManager implements ICertificateManager {
 	 * @param string $name the filename for the certificate
 	 * @throws \Exception If the certificate could not get added
 	 */
+	#[\Override]
 	public function addCertificate(string $certificate, string $name): ICertificate {
 		$path = $this->getPathToCertificates() . 'uploads/' . $name;
 		$directory = dirname($path);
@@ -172,6 +174,7 @@ class CertificateManager implements ICertificateManager {
 	/**
 	 * Remove the certificate and re-generate the certificate bundle
 	 */
+	#[\Override]
 	public function removeCertificate(string $name): bool {
 		$path = $this->getPathToCertificates() . 'uploads/' . $name;
 
@@ -192,6 +195,7 @@ class CertificateManager implements ICertificateManager {
 	/**
 	 * Get the path to the certificate bundle
 	 */
+	#[\Override]
 	public function getCertificateBundle(): string {
 		return $this->getPathToCertificates() . 'rootcerts.crt';
 	}
@@ -200,6 +204,7 @@ class CertificateManager implements ICertificateManager {
 	 * Get the full local path to the certificate bundle
 	 * @throws \Exception when getting bundle path fails
 	 */
+	#[\Override]
 	public function getAbsoluteBundlePath(): string {
 		try {
 			if ($this->bundlePath === null) {
@@ -249,6 +254,7 @@ class CertificateManager implements ICertificateManager {
 		return filemtime($this->getDefaultCertificatesBundlePath());
 	}
 
+	#[\Override]
 	public function getDefaultCertificatesBundlePath(): string {
 		return $this->config->getSystemValueString('default_certificates_bundle_path', \OC::$SERVERROOT . '/resources/config/ca-bundle.crt');
 	}
diff --git a/lib/private/Security/CredentialsManager.php b/lib/private/Security/CredentialsManager.php
index 254984261d2..202cde52397 100644
--- a/lib/private/Security/CredentialsManager.php
+++ b/lib/private/Security/CredentialsManager.php
@@ -32,6 +32,7 @@ class CredentialsManager implements ICredentialsManager {
 	 * @param string $userId empty string for system-wide credentials
 	 * @param mixed $credentials
 	 */
+	#[\Override]
 	public function store(string $userId, string $identifier, $credentials): void {
 		$value = $this->crypto->encrypt(json_encode($credentials));
 
@@ -48,6 +49,7 @@ class CredentialsManager implements ICredentialsManager {
 	 *
 	 * @param string $userId empty string for system-wide credentials
 	 */
+	#[\Override]
 	public function retrieve(string $userId, string $identifier): mixed {
 		$qb = $this->dbConnection->getQueryBuilder();
 		$qb->select('credentials')
@@ -78,6 +80,7 @@ class CredentialsManager implements ICredentialsManager {
 	 * @param string $userId empty string for system-wide credentials
 	 * @return int rows removed
 	 */
+	#[\Override]
 	public function delete(string $userId, string $identifier): int {
 		$qb = $this->dbConnection->getQueryBuilder();
 		$qb->delete(self::DB_TABLE)
@@ -97,6 +100,7 @@ class CredentialsManager implements ICredentialsManager {
 	 *
 	 * @return int rows removed
 	 */
+	#[\Override]
 	public function erase(string $userId): int {
 		$qb = $this->dbConnection->getQueryBuilder();
 		$qb->delete(self::DB_TABLE)
diff --git a/lib/private/Security/Crypto.php b/lib/private/Security/Crypto.php
index 7bbeec9e291..594b769e8f3 100644
--- a/lib/private/Security/Crypto.php
+++ b/lib/private/Security/Crypto.php
@@ -39,6 +39,7 @@ class Crypto implements ICrypto {
 	 * @param string $password Password to use (defaults to `secret` in config.php)
 	 * @return string Calculated HMAC
 	 */
+	#[\Override]
 	public function calculateHMAC(string $message, string $password = ''): string {
 		if ($password === '') {
 			$password = $this->config->getSystemValueString('secret');
@@ -60,6 +61,7 @@ class Crypto implements ICrypto {
 	 * @throws Exception if it was not possible to gather sufficient entropy
 	 * @throws Exception if encrypting the data failed
 	 */
+	#[\Override]
 	public function encrypt(string $plaintext, string $password = ''): string {
 		if ($password === '') {
 			$password = $this->config->getSystemValueString('secret');
@@ -89,6 +91,7 @@ class Crypto implements ICrypto {
 	 * @throws Exception If the HMAC does not match
 	 * @throws Exception If the decryption failed
 	 */
+	#[\Override]
 	public function decrypt(string $authenticatedCiphertext, string $password = ''): string {
 		$secret = $this->config->getSystemValue('secret');
 		try {
diff --git a/lib/private/Security/Hasher.php b/lib/private/Security/Hasher.php
index 722fdab902f..d962d4bef19 100644
--- a/lib/private/Security/Hasher.php
+++ b/lib/private/Security/Hasher.php
@@ -62,6 +62,7 @@ class Hasher implements IHasher {
 	 * @param string $message Message to generate hash from
 	 * @return string Hash of the message with appended version parameter
 	 */
+	#[\Override]
 	public function hash(string $message): string {
 		$alg = $this->getPrefferedAlgorithm();
 
@@ -150,6 +151,7 @@ class Hasher implements IHasher {
 	 * @param null|string &$newHash Reference will contain the updated hash if necessary. Update the existing hash with this one.
 	 * @return bool Whether $hash is a valid hash of $message
 	 */
+	#[\Override]
 	public function verify(string $message, string $hash, &$newHash = null): bool {
 		$splittedHash = $this->splitHash($hash);
 
@@ -191,6 +193,7 @@ class Hasher implements IHasher {
 		return $default;
 	}
 
+	#[\Override]
 	public function validate(string $prefixedHash): bool {
 		$splitHash = $this->splitHash($prefixedHash);
 		if (empty($splitHash)) {
diff --git a/lib/private/Security/Ip/Address.php b/lib/private/Security/Ip/Address.php
index 0e94ec2d9ea..122d511a4f2 100644
--- a/lib/private/Security/Ip/Address.php
+++ b/lib/private/Security/Ip/Address.php
@@ -29,10 +29,12 @@ class Address implements IAddress {
 		$this->ip = $ip;
 	}
 
+	#[\Override]
 	public static function isValid(string $ip): bool {
 		return Factory::parseAddressString($ip, ParseStringFlag::MAY_INCLUDE_ZONEID) !== null;
 	}
 
+	#[\Override]
 	public function matches(IRange ... $ranges): bool {
 		foreach ($ranges as $range) {
 			if ($range->contains($this)) {
diff --git a/lib/private/Security/Ip/Factory.php b/lib/private/Security/Ip/Factory.php
index 1eedcf27a09..6014ade61db 100644
--- a/lib/private/Security/Ip/Factory.php
+++ b/lib/private/Security/Ip/Factory.php
@@ -13,10 +13,12 @@ use OCP\Security\Ip\IFactory;
 use OCP\Security\Ip\IRange;
 
 class Factory implements IFactory {
+	#[\Override]
 	public function rangeFromString(string $range): IRange {
 		return new Range($range);
 	}
 
+	#[\Override]
 	public function addressFromString(string $ip): IAddress {
 		return new Address($ip);
 	}
diff --git a/lib/private/Security/Ip/Range.php b/lib/private/Security/Ip/Range.php
index e32b7a5abc0..a8baffeef1c 100644
--- a/lib/private/Security/Ip/Range.php
+++ b/lib/private/Security/Ip/Range.php
@@ -26,10 +26,12 @@ class Range implements IRange {
 		$this->range = $range;
 	}
 
+	#[\Override]
 	public static function isValid(string $range): bool {
 		return Factory::parseRangeString($range) !== null;
 	}
 
+	#[\Override]
 	public function contains(IAddress $address): bool {
 		return $this->range->contains(Factory::parseAddressString((string)$address, ParseStringFlag::MAY_INCLUDE_ZONEID));
 	}
diff --git a/lib/private/Security/Ip/RemoteAddress.php b/lib/private/Security/Ip/RemoteAddress.php
index 4eef8813898..62ca08e7860 100644
--- a/lib/private/Security/Ip/RemoteAddress.php
+++ b/lib/private/Security/Ip/RemoteAddress.php
@@ -30,16 +30,19 @@ class RemoteAddress implements IRemoteAddress, IAddress {
 			: new Address($remoteAddress);
 	}
 
+	#[\Override]
 	public static function isValid(string $ip): bool {
 		return Address::isValid($ip);
 	}
 
+	#[\Override]
 	public function matches(IRange ... $ranges): bool {
 		return $this->ip === null
 			? true
 			: $this->ip->matches(... $ranges);
 	}
 
+	#[\Override]
 	public function allowsAdminActions(): bool {
 		if ($this->ip === null) {
 			return true;
diff --git a/lib/private/Security/RateLimiting/Backend/DatabaseBackend.php b/lib/private/Security/RateLimiting/Backend/DatabaseBackend.php
index 9fb237f2f72..16b51ae264a 100644
--- a/lib/private/Security/RateLimiting/Backend/DatabaseBackend.php
+++ b/lib/private/Security/RateLimiting/Backend/DatabaseBackend.php
@@ -63,6 +63,7 @@ class DatabaseBackend implements IBackend {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function getAttempts(
 		string $methodIdentifier,
 		string $userIdentifier,
@@ -74,6 +75,7 @@ class DatabaseBackend implements IBackend {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function registerAttempt(
 		string $methodIdentifier,
 		string $userIdentifier,
diff --git a/lib/private/Security/RateLimiting/Backend/MemoryCacheBackend.php b/lib/private/Security/RateLimiting/Backend/MemoryCacheBackend.php
index 4c33b49d05e..466c7efde05 100644
--- a/lib/private/Security/RateLimiting/Backend/MemoryCacheBackend.php
+++ b/lib/private/Security/RateLimiting/Backend/MemoryCacheBackend.php
@@ -54,6 +54,7 @@ class MemoryCacheBackend implements IBackend {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function getAttempts(
 		string $methodIdentifier,
 		string $userIdentifier,
@@ -75,6 +76,7 @@ class MemoryCacheBackend implements IBackend {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function registerAttempt(
 		string $methodIdentifier,
 		string $userIdentifier,
diff --git a/lib/private/Security/RateLimiting/Limiter.php b/lib/private/Security/RateLimiting/Limiter.php
index 316becfa009..e14def14550 100644
--- a/lib/private/Security/RateLimiting/Limiter.php
+++ b/lib/private/Security/RateLimiting/Limiter.php
@@ -51,6 +51,7 @@ class Limiter implements ILimiter {
 	 * @param int $anonPeriod in seconds
 	 * @throws RateLimitExceededException
 	 */
+	#[\Override]
 	public function registerAnonRequest(
 		string $identifier,
 		int $anonLimit,
@@ -69,6 +70,7 @@ class Limiter implements ILimiter {
 	 * @param int $userPeriod in seconds
 	 * @throws RateLimitExceededException
 	 */
+	#[\Override]
 	public function registerUserRequest(
 		string $identifier,
 		int $userLimit,
diff --git a/lib/private/Security/RemoteHostValidator.php b/lib/private/Security/RemoteHostValidator.php
index 30bd59db2c1..459bcb8d512 100644
--- a/lib/private/Security/RemoteHostValidator.php
+++ b/lib/private/Security/RemoteHostValidator.php
@@ -30,6 +30,7 @@ final class RemoteHostValidator implements IRemoteHostValidator {
 	) {
 	}
 
+	#[\Override]
 	public function isValid(string $host): bool {
 		if ($this->config->getSystemValueBool('allow_local_remote_servers', false)) {
 			return true;
diff --git a/lib/private/Security/SecureRandom.php b/lib/private/Security/SecureRandom.php
index b2a3d19ce74..ddb6b16655d 100644
--- a/lib/private/Security/SecureRandom.php
+++ b/lib/private/Security/SecureRandom.php
@@ -27,6 +27,7 @@ class SecureRandom implements ISecureRandom {
 	 *                           specified all valid base64 characters are used.
 	 * @throws \LengthException if an invalid length is requested
 	 */
+	#[\Override]
 	public function generate(
 		int $length,
 		string $characters = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/',
diff --git a/lib/private/Security/Signature/Model/IncomingSignedRequest.php b/lib/private/Security/Signature/Model/IncomingSignedRequest.php
index ab2c6f708a1..c5b5584475c 100644
--- a/lib/private/Security/Signature/Model/IncomingSignedRequest.php
+++ b/lib/private/Security/Signature/Model/IncomingSignedRequest.php
@@ -191,6 +191,7 @@ class IncomingSignedRequest extends SignedRequest implements
 	 * @return IRequest
 	 * @since 31.0.0
 	 */
+	#[\Override]
 	public function getRequest(): IRequest {
 		return $this->request;
 	}
@@ -213,6 +214,7 @@ class IncomingSignedRequest extends SignedRequest implements
 	 * @throws IncomingRequestException
 	 * @since 31.0.0
 	 */
+	#[\Override]
 	public function getOrigin(): string {
 		if ($this->origin === '') {
 			throw new IncomingRequestException('empty origin');
@@ -228,6 +230,7 @@ class IncomingSignedRequest extends SignedRequest implements
 	 * @throws SignatureElementNotFoundException
 	 * @since 31.0.0
 	 */
+	#[\Override]
 	public function getKeyId(): string {
 		return $this->getSigningElement('keyId');
 	}
@@ -239,6 +242,7 @@ class IncomingSignedRequest extends SignedRequest implements
 	 * @throws SignatoryNotFoundException
 	 * @since 31.0.0
 	 */
+	#[\Override]
 	public function verify(): void {
 		$publicKey = $this->getSignatory()->getPublicKey();
 		if ($publicKey === '') {
@@ -256,6 +260,7 @@ class IncomingSignedRequest extends SignedRequest implements
 		}
 	}
 
+	#[\Override]
 	public function jsonSerialize(): array {
 		return array_merge(
 			parent::jsonSerialize(),
diff --git a/lib/private/Security/Signature/Model/OutgoingSignedRequest.php b/lib/private/Security/Signature/Model/OutgoingSignedRequest.php
index 1cba76e45ce..0a87aa70895 100644
--- a/lib/private/Security/Signature/Model/OutgoingSignedRequest.php
+++ b/lib/private/Security/Signature/Model/OutgoingSignedRequest.php
@@ -75,6 +75,7 @@ class OutgoingSignedRequest extends SignedRequest implements
 	 * @return $this
 	 * @since 31.0.0
 	 */
+	#[\Override]
 	public function setHost(string $host): self {
 		$this->host = $host;
 		return $this;
@@ -86,6 +87,7 @@ class OutgoingSignedRequest extends SignedRequest implements
 	 * @return string
 	 * @since 31.0.0
 	 */
+	#[\Override]
 	public function getHost(): string {
 		return $this->host;
 	}
@@ -99,6 +101,7 @@ class OutgoingSignedRequest extends SignedRequest implements
 	 * @return self
 	 * @since 31.0.0
 	 */
+	#[\Override]
 	public function addHeader(string $key, string|int|float $value): self {
 		$this->headers[$key] = $value;
 		return $this;
@@ -110,6 +113,7 @@ class OutgoingSignedRequest extends SignedRequest implements
 	 * @return array
 	 * @since 31.0.0
 	 */
+	#[\Override]
 	public function getHeaders(): array {
 		return $this->headers;
 	}
@@ -122,6 +126,7 @@ class OutgoingSignedRequest extends SignedRequest implements
 	 * @return self
 	 * @since 31.0.0
 	 */
+	#[\Override]
 	public function setHeaderList(array $list): self {
 		$this->headerList = $list;
 		return $this;
@@ -133,6 +138,7 @@ class OutgoingSignedRequest extends SignedRequest implements
 	 * @return list<string>
 	 * @since 31.0.0
 	 */
+	#[\Override]
 	public function getHeaderList(): array {
 		return $this->headerList;
 	}
@@ -145,6 +151,7 @@ class OutgoingSignedRequest extends SignedRequest implements
 	 * @return self
 	 * @since 31.0.0
 	 */
+	#[\Override]
 	public function setAlgorithm(SignatureAlgorithm $algorithm): self {
 		$this->algorithm = $algorithm;
 		return $this;
@@ -156,6 +163,7 @@ class OutgoingSignedRequest extends SignedRequest implements
 	 * @return SignatureAlgorithm
 	 * @since 31.0.0
 	 */
+	#[\Override]
 	public function getAlgorithm(): SignatureAlgorithm {
 		return $this->algorithm;
 	}
@@ -168,6 +176,7 @@ class OutgoingSignedRequest extends SignedRequest implements
 	 * @throws SignatoryNotFoundException
 	 * @since 31.0.0
 	 */
+	#[\Override]
 	public function sign(): self {
 		$privateKey = $this->getSignatory()->getPrivateKey();
 		if ($privateKey === '') {
@@ -213,6 +222,7 @@ class OutgoingSignedRequest extends SignedRequest implements
 		return base64_encode($signed);
 	}
 
+	#[\Override]
 	public function jsonSerialize(): array {
 		return array_merge(
 			parent::jsonSerialize(),
diff --git a/lib/private/Security/Signature/Model/SignedRequest.php b/lib/private/Security/Signature/Model/SignedRequest.php
index 7fe7149da2b..1b60a49cedc 100644
--- a/lib/private/Security/Signature/Model/SignedRequest.php
+++ b/lib/private/Security/Signature/Model/SignedRequest.php
@@ -39,6 +39,7 @@ class SignedRequest implements ISignedRequest, JsonSerializable {
 	 * @return string
 	 * @since 31.0.0
 	 */
+	#[\Override]
 	public function getBody(): string {
 		return $this->body;
 	}
@@ -62,6 +63,7 @@ class SignedRequest implements ISignedRequest, JsonSerializable {
 	 * @return DigestAlgorithm
 	 * @since 31.0.0
 	 */
+	#[\Override]
 	public function getDigestAlgorithm(): DigestAlgorithm {
 		return $this->digestAlgorithm;
 	}
@@ -72,6 +74,7 @@ class SignedRequest implements ISignedRequest, JsonSerializable {
 	 * @return string
 	 * @since 31.0.0
 	 */
+	#[\Override]
 	public function getDigest(): string {
 		if ($this->digest === '') {
 			$this->digest = $this->digestAlgorithm->value . '='
@@ -88,6 +91,7 @@ class SignedRequest implements ISignedRequest, JsonSerializable {
 	 * @return self
 	 * @since 31.0.0
 	 */
+	#[\Override]
 	public function setSigningElements(array $elements): self {
 		$this->signingElements = $elements;
 		return $this;
@@ -99,6 +103,7 @@ class SignedRequest implements ISignedRequest, JsonSerializable {
 	 * @return array
 	 * @since 31.0.0
 	 */
+	#[\Override]
 	public function getSigningElements(): array {
 		return $this->signingElements;
 	}
@@ -111,6 +116,7 @@ class SignedRequest implements ISignedRequest, JsonSerializable {
 	 * @since 31.0.0
 	 *
 	 */
+	#[\Override]
 	public function getSigningElement(string $key): string { // getSignatureDetail / getSignatureEntry() ?
 		if (!array_key_exists($key, $this->signingElements)) {
 			throw new SignatureElementNotFoundException('missing element ' . $key . ' in Signature header');
@@ -138,6 +144,7 @@ class SignedRequest implements ISignedRequest, JsonSerializable {
 	 * @return array
 	 * @since 31.0.0
 	 */
+	#[\Override]
 	public function getSignatureData(): array {
 		return $this->signatureData;
 	}
@@ -161,6 +168,7 @@ class SignedRequest implements ISignedRequest, JsonSerializable {
 	 * @return string
 	 * @since 31.0.0
 	 */
+	#[\Override]
 	public function getSignature(): string {
 		return $this->signature;
 	}
@@ -172,6 +180,7 @@ class SignedRequest implements ISignedRequest, JsonSerializable {
 	 * @return self
 	 * @since 31.0.0
 	 */
+	#[\Override]
 	public function setSignatory(Signatory $signatory): self {
 		$this->signatory = $signatory;
 		return $this;
@@ -184,6 +193,7 @@ class SignedRequest implements ISignedRequest, JsonSerializable {
 	 * @throws SignatoryNotFoundException
 	 * @since 31.0.0
 	 */
+	#[\Override]
 	public function getSignatory(): Signatory {
 		if ($this->signatory === null) {
 			throw new SignatoryNotFoundException();
@@ -198,10 +208,12 @@ class SignedRequest implements ISignedRequest, JsonSerializable {
 	 * @return bool
 	 * @since 31.0.0
 	 */
+	#[\Override]
 	public function hasSignatory(): bool {
 		return ($this->signatory !== null);
 	}
 
+	#[\Override]
 	public function jsonSerialize(): array {
 		return [
 			'body' => $this->body,
diff --git a/lib/private/Security/Signature/SignatureManager.php b/lib/private/Security/Signature/SignatureManager.php
index 0c5bfdcc3ae..11aff48438d 100644
--- a/lib/private/Security/Signature/SignatureManager.php
+++ b/lib/private/Security/Signature/SignatureManager.php
@@ -90,6 +90,7 @@ class SignatureManager implements ISignatureManager {
 	 * @throws SignatureException if signature could not be confirmed
 	 * @since 31.0.0
 	 */
+	#[\Override]
 	public function getIncomingSignedRequest(
 		ISignatoryManager $signatoryManager,
 		?string $body = null,
@@ -191,6 +192,7 @@ class SignatureManager implements ISignatureManager {
 	 * @throws SignatoryNotFoundException
 	 * @since 31.0.0
 	 */
+	#[\Override]
 	public function getOutgoingSignedRequest(
 		ISignatoryManager $signatoryManager,
 		string $content,
@@ -222,6 +224,7 @@ class SignatureManager implements ISignatureManager {
 	 * @return array new payload to be sent, including original payload and signature elements in headers
 	 * @since 31.0.0
 	 */
+	#[\Override]
 	public function signOutgoingRequestIClientPayload(
 		ISignatoryManager $signatoryManager,
 		array $payload,
@@ -245,6 +248,7 @@ class SignatureManager implements ISignatureManager {
 	 * @throws SignatoryNotFoundException if entry does not exist in local database
 	 * @since 31.0.0
 	 */
+	#[\Override]
 	public function getSignatory(string $host, string $account = ''): Signatory {
 		return $this->mapper->getByHost($host, $account);
 	}
@@ -261,6 +265,7 @@ class SignatureManager implements ISignatureManager {
 	 * @throws IdentityNotFoundException is identity is not set in app config
 	 * @since 31.0.0
 	 */
+	#[\Override]
 	public function generateKeyIdFromConfig(string $path): string {
 		if (!$this->appConfig->hasKey('core', self::APPCONFIG_IDENTITY, true)) {
 			throw new IdentityNotFoundException(self::APPCONFIG_IDENTITY . ' not set');
@@ -280,6 +285,7 @@ class SignatureManager implements ISignatureManager {
 	 * @throws IdentityNotFoundException if identity cannot be extracted
 	 * @since 31.0.0
 	 */
+	#[\Override]
 	public function extractIdentityFromUri(string $uri): string {
 		return Signatory::extractIdentityFromUri($uri);
 	}
diff --git a/lib/private/Security/TrustedDomainHelper.php b/lib/private/Security/TrustedDomainHelper.php
index a65779780e8..526c20be26f 100644
--- a/lib/private/Security/TrustedDomainHelper.php
+++ b/lib/private/Security/TrustedDomainHelper.php
@@ -36,6 +36,7 @@ class TrustedDomainHelper implements ITrustedDomainHelper {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function isTrustedUrl(string $url): bool {
 		$parsedUrl = parse_url($url);
 		if (empty($parsedUrl['host'])) {
@@ -52,6 +53,7 @@ class TrustedDomainHelper implements ITrustedDomainHelper {
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function isTrustedDomain(string $domainWithPort): bool {
 		// overwritehost is always trusted
 		if ($this->config->getSystemValue('overwritehost') !== '') {
diff --git a/lib/private/Security/VerificationToken/CleanUpJob.php b/lib/private/Security/VerificationToken/CleanUpJob.php
index ba8f4352f80..5b951da1398 100644
--- a/lib/private/Security/VerificationToken/CleanUpJob.php
+++ b/lib/private/Security/VerificationToken/CleanUpJob.php
@@ -30,6 +30,7 @@ class CleanUpJob extends Job {
 		parent::__construct($time);
 	}
 
+	#[\Override]
 	public function setArgument($argument): void {
 		parent::setArgument($argument);
 		$args = \json_decode($argument, true);
@@ -39,6 +40,7 @@ class CleanUpJob extends Job {
 		$this->runNotBefore = (int)$args['notBefore'];
 	}
 
+	#[\Override]
 	protected function run($argument): void {
 		try {
 			$user = $this->userManager->get($this->userId);
@@ -54,6 +56,7 @@ class CleanUpJob extends Job {
 		}
 	}
 
+	#[\Override]
 	public function start(IJobList $jobList): void {
 		if ($this->time->getTime() >= $this->runNotBefore) {
 			$jobList->remove($this, $this->argument);
diff --git a/lib/private/Security/VerificationToken/VerificationToken.php b/lib/private/Security/VerificationToken/VerificationToken.php
index 89f45180359..602b06390aa 100644
--- a/lib/private/Security/VerificationToken/VerificationToken.php
+++ b/lib/private/Security/VerificationToken/VerificationToken.php
@@ -36,6 +36,7 @@ class VerificationToken implements IVerificationToken {
 		throw new InvalidTokenException($code);
 	}
 
+	#[\Override]
 	public function check(
 		string $token,
 		?IUser $user,
@@ -78,6 +79,7 @@ class VerificationToken implements IVerificationToken {
 		}
 	}
 
+	#[\Override]
 	public function create(
 		IUser $user,
 		string $subject,
@@ -103,6 +105,7 @@ class VerificationToken implements IVerificationToken {
 		return $token;
 	}
 
+	#[\Override]
 	public function delete(string $token, IUser $user, string $subject): void {
 		$this->config->deleteUserValue($user->getUID(), 'core', $subject);
 	}
diff --git a/lib/private/Server.php b/lib/private/Server.php
index e24d47f3f06..2a33c18eb05 100644
--- a/lib/private/Server.php
+++ b/lib/private/Server.php
@@ -1355,6 +1355,7 @@ class Server extends ServerContainer implements IServerContainer {
 	 * @return Folder|null
 	 * @deprecated 20.0.0
 	 */
+	#[\Override]
 	public function getUserFolder($userId = null): ?Folder {
 		if ($userId === null) {
 			$user = $this->get(IUserSession::class)->getUser();
@@ -1379,6 +1380,7 @@ class Server extends ServerContainer implements IServerContainer {
 	 * @return string
 	 * @deprecated 20.0.0
 	 */
+	#[\Override]
 	public function getWebRoot(): string {
 		return $this->webRoot;
 	}
@@ -1391,6 +1393,7 @@ class Server extends ServerContainer implements IServerContainer {
 	 * @return IL10N
 	 * @deprecated 20.0.0 use DI of {@see IL10N} or {@see IFactory} instead, or {@see \OCP\Util::getL10N()} as a last resort
 	 */
+	#[\Override]
 	public function getL10N($app, $lang = null) {
 		return $this->get(IFactory::class)->get($app, $lang);
 	}
diff --git a/lib/private/ServerContainer.php b/lib/private/ServerContainer.php
index c06c2c46acf..d6b5681dd9f 100644
--- a/lib/private/ServerContainer.php
+++ b/lib/private/ServerContainer.php
@@ -100,6 +100,7 @@ class ServerContainer extends SimpleContainer {
 		throw new QueryException();
 	}
 
+	#[\Override]
 	public function has($id, bool $noRecursion = false): bool {
 		if (!$noRecursion && ($appContainer = $this->getAppContainerForService($id)) !== null) {
 			return $appContainer->has($id);
@@ -119,6 +120,7 @@ class ServerContainer extends SimpleContainer {
 	 * @throws QueryException
 	 * @deprecated 20.0.0 use \Psr\Container\ContainerInterface::get
 	 */
+	#[\Override]
 	public function query(string $name, bool $autoload = true, array $chain = []): mixed {
 		$name = $this->sanitizeName($name);
 
diff --git a/lib/private/Session/CryptoSessionData.php b/lib/private/Session/CryptoSessionData.php
index 67199aa2337..bd9d35c18f7 100644
--- a/lib/private/Session/CryptoSessionData.php
+++ b/lib/private/Session/CryptoSessionData.php
@@ -83,6 +83,7 @@ class CryptoSessionData implements \ArrayAccess, ISession {
 	 * @param string $key
 	 * @param mixed $value
 	 */
+	#[\Override]
 	public function set(string $key, $value) {
 		if ($this->get($key) === $value) {
 			// Do not write the session if the value hasn't changed to avoid reopening
@@ -103,6 +104,7 @@ class CryptoSessionData implements \ArrayAccess, ISession {
 	 * @param string $key
 	 * @return string|null Either the value or null
 	 */
+	#[\Override]
 	public function get(string $key) {
 		if (isset($this->sessionValues[$key])) {
 			return $this->sessionValues[$key];
@@ -117,6 +119,7 @@ class CryptoSessionData implements \ArrayAccess, ISession {
 	 * @param string $key
 	 * @return bool
 	 */
+	#[\Override]
 	public function exists(string $key): bool {
 		return isset($this->sessionValues[$key]);
 	}
@@ -126,6 +129,7 @@ class CryptoSessionData implements \ArrayAccess, ISession {
 	 *
 	 * @param string $key
 	 */
+	#[\Override]
 	public function remove(string $key) {
 		$reopened = $this->reopen();
 		$this->isModified = true;
@@ -138,6 +142,7 @@ class CryptoSessionData implements \ArrayAccess, ISession {
 	/**
 	 * Reset and recreate the session
 	 */
+	#[\Override]
 	public function clear() {
 		$reopened = $this->reopen();
 		$requesttoken = $this->get('requesttoken');
@@ -152,6 +157,7 @@ class CryptoSessionData implements \ArrayAccess, ISession {
 		}
 	}
 
+	#[\Override]
 	public function reopen(): bool {
 		$reopened = $this->session->reopen();
 		if ($reopened) {
@@ -167,6 +173,7 @@ class CryptoSessionData implements \ArrayAccess, ISession {
 	 * @param bool $updateToken Wheater to update the associated auth token
 	 * @return void
 	 */
+	#[\Override]
 	public function regenerateId(bool $deleteOldSession = true, bool $updateToken = false) {
 		$this->session->regenerateId($deleteOldSession, $updateToken);
 	}
@@ -178,6 +185,7 @@ class CryptoSessionData implements \ArrayAccess, ISession {
 	 * @throws SessionNotAvailableException
 	 * @since 9.1.0
 	 */
+	#[\Override]
 	public function getId(): string {
 		return $this->session->getId();
 	}
@@ -185,6 +193,7 @@ class CryptoSessionData implements \ArrayAccess, ISession {
 	/**
 	 * Close the session and release the lock, also writes all changed data in batch
 	 */
+	#[\Override]
 	public function close() {
 		if ($this->isModified) {
 			$encryptedValue = $this->crypto->encrypt(json_encode($this->sessionValues), $this->passphrase);
@@ -198,6 +207,7 @@ class CryptoSessionData implements \ArrayAccess, ISession {
 	 * @param mixed $offset
 	 * @return bool
 	 */
+	#[\Override]
 	public function offsetExists($offset): bool {
 		return $this->exists($offset);
 	}
@@ -206,6 +216,7 @@ class CryptoSessionData implements \ArrayAccess, ISession {
 	 * @param mixed $offset
 	 * @return mixed
 	 */
+	#[\Override]
 	#[\ReturnTypeWillChange]
 	public function offsetGet($offset) {
 		return $this->get($offset);
@@ -215,6 +226,7 @@ class CryptoSessionData implements \ArrayAccess, ISession {
 	 * @param mixed $offset
 	 * @param mixed $value
 	 */
+	#[\Override]
 	public function offsetSet($offset, $value): void {
 		$this->set($offset, $value);
 	}
@@ -222,6 +234,7 @@ class CryptoSessionData implements \ArrayAccess, ISession {
 	/**
 	 * @param mixed $offset
 	 */
+	#[\Override]
 	public function offsetUnset($offset): void {
 		$this->remove($offset);
 	}
diff --git a/lib/private/Session/Internal.php b/lib/private/Session/Internal.php
index d07174fad14..953544e374c 100644
--- a/lib/private/Session/Internal.php
+++ b/lib/private/Session/Internal.php
@@ -55,6 +55,7 @@ class Internal extends Session {
 	 * @param string $key
 	 * @param integer $value
 	 */
+	#[\Override]
 	public function set(string $key, $value) {
 		$reopened = $this->reopen();
 		$_SESSION[$key] = $value;
@@ -67,6 +68,7 @@ class Internal extends Session {
 	 * @param string $key
 	 * @return mixed
 	 */
+	#[\Override]
 	public function get(string $key) {
 		if (!$this->exists($key)) {
 			return null;
@@ -78,6 +80,7 @@ class Internal extends Session {
 	 * @param string $key
 	 * @return bool
 	 */
+	#[\Override]
 	public function exists(string $key): bool {
 		return isset($_SESSION[$key]);
 	}
@@ -85,12 +88,14 @@ class Internal extends Session {
 	/**
 	 * @param string $key
 	 */
+	#[\Override]
 	public function remove(string $key) {
 		if (isset($_SESSION[$key])) {
 			unset($_SESSION[$key]);
 		}
 	}
 
+	#[\Override]
 	public function clear() {
 		$this->reopen();
 		$this->invoke('session_unset');
@@ -100,6 +105,7 @@ class Internal extends Session {
 		$_SESSION = [];
 	}
 
+	#[\Override]
 	public function close() {
 		$this->invoke('session_write_close');
 		parent::close();
@@ -112,6 +118,7 @@ class Internal extends Session {
 	 * @param bool $updateToken Whether to update the associated auth token
 	 * @return void
 	 */
+	#[\Override]
 	public function regenerateId(bool $deleteOldSession = true, bool $updateToken = false) {
 		$this->reopen();
 		$oldId = null;
@@ -154,6 +161,7 @@ class Internal extends Session {
 	 * @throws SessionNotAvailableException
 	 * @since 9.1.0
 	 */
+	#[\Override]
 	public function getId(): string {
 		$id = $this->invoke('session_id', [], true);
 		if ($id === '') {
@@ -165,6 +173,7 @@ class Internal extends Session {
 	/**
 	 * @throws \Exception
 	 */
+	#[\Override]
 	public function reopen(): bool {
 		if ($this->sessionClosed) {
 			$this->startSession(false, false);
diff --git a/lib/private/Session/Memory.php b/lib/private/Session/Memory.php
index 395711836f5..e73a8c3fa31 100644
--- a/lib/private/Session/Memory.php
+++ b/lib/private/Session/Memory.php
@@ -24,6 +24,7 @@ class Memory extends Session {
 	 * @param string $key
 	 * @param integer $value
 	 */
+	#[\Override]
 	public function set(string $key, $value) {
 		$this->data[$key] = $value;
 	}
@@ -32,6 +33,7 @@ class Memory extends Session {
 	 * @param string $key
 	 * @return mixed
 	 */
+	#[\Override]
 	public function get(string $key) {
 		if (!$this->exists($key)) {
 			return null;
@@ -43,6 +45,7 @@ class Memory extends Session {
 	 * @param string $key
 	 * @return bool
 	 */
+	#[\Override]
 	public function exists(string $key): bool {
 		return isset($this->data[$key]);
 	}
@@ -50,10 +53,12 @@ class Memory extends Session {
 	/**
 	 * @param string $key
 	 */
+	#[\Override]
 	public function remove(string $key) {
 		unset($this->data[$key]);
 	}
 
+	#[\Override]
 	public function clear() {
 		$this->data = [];
 	}
@@ -63,6 +68,7 @@ class Memory extends Session {
 	 *
 	 * @param bool $deleteOldSession
 	 */
+	#[\Override]
 	public function regenerateId(bool $deleteOldSession = true, bool $updateToken = false) {
 	}
 
@@ -73,6 +79,7 @@ class Memory extends Session {
 	 * @throws SessionNotAvailableException
 	 * @since 9.1.0
 	 */
+	#[\Override]
 	public function getId(): string {
 		throw new SessionNotAvailableException('Memory session does not have an ID');
 	}
@@ -80,6 +87,7 @@ class Memory extends Session {
 	/**
 	 * Helper function for PHPUnit execution - don't use in non-test code
 	 */
+	#[\Override]
 	public function reopen(): bool {
 		$reopened = $this->sessionClosed;
 		$this->sessionClosed = false;
diff --git a/lib/private/Session/Session.php b/lib/private/Session/Session.php
index b7510b63683..08465ba3b08 100644
--- a/lib/private/Session/Session.php
+++ b/lib/private/Session/Session.php
@@ -23,6 +23,7 @@ abstract class Session implements \ArrayAccess, ISession {
 	 * @param mixed $offset
 	 * @return bool
 	 */
+	#[\Override]
 	public function offsetExists($offset): bool {
 		return $this->exists($offset);
 	}
@@ -31,6 +32,7 @@ abstract class Session implements \ArrayAccess, ISession {
 	 * @param mixed $offset
 	 * @return mixed
 	 */
+	#[\Override]
 	#[\ReturnTypeWillChange]
 	public function offsetGet($offset) {
 		return $this->get($offset);
@@ -40,6 +42,7 @@ abstract class Session implements \ArrayAccess, ISession {
 	 * @param mixed $offset
 	 * @param mixed $value
 	 */
+	#[\Override]
 	public function offsetSet($offset, $value): void {
 		$this->set($offset, $value);
 	}
@@ -47,6 +50,7 @@ abstract class Session implements \ArrayAccess, ISession {
 	/**
 	 * @param mixed $offset
 	 */
+	#[\Override]
 	public function offsetUnset($offset): void {
 		$this->remove($offset);
 	}
@@ -54,6 +58,7 @@ abstract class Session implements \ArrayAccess, ISession {
 	/**
 	 * Close the session and release the lock
 	 */
+	#[\Override]
 	public function close() {
 		$this->sessionClosed = true;
 	}
diff --git a/lib/private/Settings/AuthorizedGroup.php b/lib/private/Settings/AuthorizedGroup.php
index 4ad9b228b5c..75befbc02cd 100644
--- a/lib/private/Settings/AuthorizedGroup.php
+++ b/lib/private/Settings/AuthorizedGroup.php
@@ -27,6 +27,7 @@ class AuthorizedGroup extends Entity implements JsonSerializable {
 	/**
 	 * @return array<string, mixed>
 	 */
+	#[\Override]
 	public function jsonSerialize(): array {
 		return [
 			'id' => $this->getId(),
diff --git a/lib/private/Settings/DeclarativeManager.php b/lib/private/Settings/DeclarativeManager.php
index 534b4b19984..10419913a16 100644
--- a/lib/private/Settings/DeclarativeManager.php
+++ b/lib/private/Settings/DeclarativeManager.php
@@ -57,6 +57,7 @@ class DeclarativeManager implements IDeclarativeManager {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function registerSchema(string $app, array $schema): void {
 		$this->appSchemas[$app] ??= [];
 
@@ -83,6 +84,7 @@ class DeclarativeManager implements IDeclarativeManager {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function loadSchemas(): void {
 		if (empty($this->declarativeForms)) {
 			$declarativeSettings = $this->coordinator->getRegistrationContext()->getDeclarativeSettings();
@@ -101,6 +103,7 @@ class DeclarativeManager implements IDeclarativeManager {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function getFormIDs(IUser $user, string $type, string $section): array {
 		$isAdmin = $this->groupManager->isAdmin($user->getUID());
 		/** @var array<string, list<string>> $formIds */
@@ -130,6 +133,7 @@ class DeclarativeManager implements IDeclarativeManager {
 	 * @inheritdoc
 	 * @throws Exception
 	 */
+	#[\Override]
 	public function getFormsWithValues(IUser $user, ?string $type, ?string $section): array {
 		$isAdmin = $this->groupManager->isAdmin($user->getUID());
 		$forms = [];
@@ -252,6 +256,7 @@ class DeclarativeManager implements IDeclarativeManager {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function setValue(IUser $user, string $app, string $formId, string $fieldId, mixed $value): void {
 		$sectionType = $this->getSectionType($app, $fieldId);
 		$this->assertAuthorized($user, $sectionType);
diff --git a/lib/private/Settings/Manager.php b/lib/private/Settings/Manager.php
index 7b4dd9fcc9b..129be0f66a3 100644
--- a/lib/private/Settings/Manager.php
+++ b/lib/private/Settings/Manager.php
@@ -52,6 +52,7 @@ class Manager implements IManager {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function registerSection(string $type, string $section) {
 		if (!isset($this->sectionClasses[$type])) {
 			$this->sectionClasses[$type] = [];
@@ -102,6 +103,7 @@ class Manager implements IManager {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function getSection(string $type, string $sectionId): ?IIconSection {
 		if (isset($this->sections[$type]) && isset($this->sections[$type][$sectionId])) {
 			return $this->sections[$type][$sectionId];
@@ -119,6 +121,7 @@ class Manager implements IManager {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function registerSetting(string $type, string $setting) {
 		$this->settingClasses[$setting] = $type;
 	}
@@ -179,6 +182,7 @@ class Manager implements IManager {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function getAdminSections(): array {
 		// built-in sections
 		$sections = [];
@@ -202,6 +206,7 @@ class Manager implements IManager {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function getAdminSettings(string $section, bool $subAdminOnly = false): array {
 		if ($subAdminOnly) {
 			$subAdminSettingsFilter = function (ISettings $settings) {
@@ -227,6 +232,7 @@ class Manager implements IManager {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function getPersonalSections(): array {
 		if ($this->l === null) {
 			$this->l = $this->l10nFactory->get('lib');
@@ -257,6 +263,7 @@ class Manager implements IManager {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function getPersonalSettings(string $section): array {
 		$settings = [];
 		$appSettings = $this->getSettings('personal', $section);
@@ -275,6 +282,7 @@ class Manager implements IManager {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function getAllowedAdminSettings(string $section, IUser $user): array {
 		$isAdmin = $this->groupManager->isAdmin($user->getUID());
 		if ($isAdmin) {
@@ -309,6 +317,7 @@ class Manager implements IManager {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function getAllAllowedAdminSettings(IUser $user): array {
 		$this->getSettings('admin', ''); // Make sure all the settings are loaded
 		$settings = [];
@@ -326,6 +335,7 @@ class Manager implements IManager {
 	/**
 	 * @return array<string, array{section:IIconSection,settings:list<IDelegatedSettings>}>
 	 */
+	#[\Override]
 	public function getAdminDelegatedSettings(): array {
 		$sections = $this->getAdminSections();
 		$settings = [];
diff --git a/lib/private/Setup/MySQL.php b/lib/private/Setup/MySQL.php
index 9de18d75a51..e2923578d3d 100644
--- a/lib/private/Setup/MySQL.php
+++ b/lib/private/Setup/MySQL.php
@@ -17,6 +17,7 @@ use OCP\IDBConnection;
 class MySQL extends AbstractDatabase {
 	public string $dbprettyname = 'MySQL/MariaDB';
 
+	#[\Override]
 	public function setupDatabase(): void {
 		//check if the database user has admin right
 		$connection = $this->connect(['dbname' => null]);
diff --git a/lib/private/Setup/OCI.php b/lib/private/Setup/OCI.php
index 7bde42c1ace..5e343b754f1 100644
--- a/lib/private/Setup/OCI.php
+++ b/lib/private/Setup/OCI.php
@@ -14,6 +14,7 @@ class OCI extends AbstractDatabase {
 
 	protected $dbtablespace;
 
+	#[\Override]
 	public function initialize(array $config): void {
 		parent::initialize($config);
 		if (array_key_exists('dbtablespace', $config)) {
@@ -30,6 +31,7 @@ class OCI extends AbstractDatabase {
 		]);
 	}
 
+	#[\Override]
 	public function validate(array $config): array {
 		$errors = [];
 		if (empty($config['dbuser']) && empty($config['dbname'])) {
@@ -42,6 +44,7 @@ class OCI extends AbstractDatabase {
 		return $errors;
 	}
 
+	#[\Override]
 	public function setupDatabase(): void {
 		try {
 			$this->connect();
diff --git a/lib/private/Setup/PostgreSQL.php b/lib/private/Setup/PostgreSQL.php
index 189a6a969a4..687d9b2c7d7 100644
--- a/lib/private/Setup/PostgreSQL.php
+++ b/lib/private/Setup/PostgreSQL.php
@@ -18,6 +18,7 @@ class PostgreSQL extends AbstractDatabase {
 	/**
 	 * @throws DatabaseSetupException
 	 */
+	#[\Override]
 	public function setupDatabase(): void {
 		try {
 			$connection = $this->connect([
diff --git a/lib/private/Setup/Sqlite.php b/lib/private/Setup/Sqlite.php
index 325a26ce896..cbbcf18d259 100644
--- a/lib/private/Setup/Sqlite.php
+++ b/lib/private/Setup/Sqlite.php
@@ -12,10 +12,12 @@ use OC\DB\ConnectionFactory;
 class Sqlite extends AbstractDatabase {
 	public string $dbprettyname = 'Sqlite';
 
+	#[\Override]
 	public function validate(array $config): array {
 		return [];
 	}
 
+	#[\Override]
 	public function initialize(array $config): void {
 		/*
 		 * Web: When using web based installer its not possible to set dbname
@@ -45,6 +47,7 @@ class Sqlite extends AbstractDatabase {
 		}
 	}
 
+	#[\Override]
 	public function setupDatabase(): void {
 		$datadir = $this->config->getValue(
 			'datadirectory',
diff --git a/lib/private/SetupCheck/SetupCheckManager.php b/lib/private/SetupCheck/SetupCheckManager.php
index 721885848e2..ee5c2a8c617 100644
--- a/lib/private/SetupCheck/SetupCheckManager.php
+++ b/lib/private/SetupCheck/SetupCheckManager.php
@@ -23,6 +23,7 @@ class SetupCheckManager implements ISetupCheckManager {
 	) {
 	}
 
+	#[\Override]
 	public function runAll(): array {
 		$results = [];
 		$setupChecks = $this->coordinator->getRegistrationContext()->getSetupChecks();
diff --git a/lib/private/Share20/DefaultShareProvider.php b/lib/private/Share20/DefaultShareProvider.php
index 4c824b2aa55..da0e179fe28 100644
--- a/lib/private/Share20/DefaultShareProvider.php
+++ b/lib/private/Share20/DefaultShareProvider.php
@@ -81,6 +81,7 @@ class DefaultShareProvider implements
 	 *
 	 * @return string Containing only [a-zA-Z0-9]
 	 */
+	#[\Override]
 	public function identifier() {
 		return 'ocinternal';
 	}
@@ -93,6 +94,7 @@ class DefaultShareProvider implements
 	 * @throws ShareNotFound
 	 * @throws \Exception
 	 */
+	#[\Override]
 	public function create(IShare $share) {
 		$qb = $this->dbConn->getQueryBuilder();
 
@@ -212,6 +214,7 @@ class DefaultShareProvider implements
 	 * @throws InvalidPathException
 	 * @throws NotFoundException
 	 */
+	#[\Override]
 	public function update(IShare $share) {
 		$originalShare = $this->getShareById($share->getId());
 
@@ -317,6 +320,7 @@ class DefaultShareProvider implements
 	 * @return IShare The share object
 	 * @since 9.0.0
 	 */
+	#[\Override]
 	public function acceptShare(IShare $share, string $recipient): IShare {
 		if ($share->getShareType() === IShare::TYPE_GROUP) {
 			$group = $this->groupManager->get($share->getSharedWith());
@@ -371,6 +375,7 @@ class DefaultShareProvider implements
 		return $share;
 	}
 
+	#[\Override]
 	public function getChildren(IShare $parent): array {
 		$children = [];
 
@@ -405,6 +410,7 @@ class DefaultShareProvider implements
 	 *
 	 * @param IShare $share
 	 */
+	#[\Override]
 	public function delete(IShare $share) {
 		$qb = $this->dbConn->getQueryBuilder();
 		$qb->delete('share')
@@ -430,6 +436,7 @@ class DefaultShareProvider implements
 	 * @throws BackendError
 	 * @throws ProviderException
 	 */
+	#[\Override]
 	public function deleteFromSelf(IShare $share, $recipient) {
 		if ($share->getShareType() === IShare::TYPE_GROUP) {
 			$group = $this->groupManager->get($share->getSharedWith());
@@ -525,6 +532,7 @@ class DefaultShareProvider implements
 	 * For now this only works for group shares
 	 * If this gets implemented for normal shares we have to extend it
 	 */
+	#[\Override]
 	public function restore(IShare $share, string $recipient): IShare {
 		$qb = $this->dbConn->getQueryBuilder();
 		$qb->select('permissions')
@@ -557,6 +565,7 @@ class DefaultShareProvider implements
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function move(IShare $share, $recipient) {
 		if ($share->getShareType() === IShare::TYPE_USER) {
 			// Just update the target
@@ -615,6 +624,7 @@ class DefaultShareProvider implements
 		return $share;
 	}
 
+	#[\Override]
 	public function getSharesInFolder($userId, Folder $node, $reshares, $shallow = true) {
 		if (!$shallow) {
 			throw new \Exception('non-shallow getSharesInFolder is no longer supported');
@@ -623,6 +633,7 @@ class DefaultShareProvider implements
 		return $this->getSharesInFolderInternal($userId, $node, $reshares);
 	}
 
+	#[\Override]
 	public function getAllSharesInFolder(Folder $node): array {
 		return $this->getSharesInFolderInternal(null, $node, null);
 	}
@@ -699,6 +710,7 @@ class DefaultShareProvider implements
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function getSharesBy($userId, $shareType, $node, $reshares, $limit, $offset) {
 		$qb = $this->dbConn->getQueryBuilder();
 		$qb->select('*')
@@ -747,6 +759,7 @@ class DefaultShareProvider implements
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function getShareById($id, $recipientId = null) {
 		$qb = $this->dbConn->getQueryBuilder();
 
@@ -793,6 +806,7 @@ class DefaultShareProvider implements
 	 * @param Node $path
 	 * @return IShare[]
 	 */
+	#[\Override]
 	public function getSharesByPath(Node $path) {
 		$qb = $this->dbConn->getQueryBuilder();
 
@@ -838,10 +852,12 @@ class DefaultShareProvider implements
 		return true;
 	}
 
+	#[\Override]
 	public function getSharedWith($userId, $shareType, $node, $limit, $offset) {
 		return $this->_getSharedWith($userId, $shareType, $limit, $offset, $node);
 	}
 
+	#[\Override]
 	public function getSharedWithByPath(
 		string $userId,
 		int $shareType,
@@ -1051,6 +1067,7 @@ class DefaultShareProvider implements
 	 * @return IShare
 	 * @throws ShareNotFound
 	 */
+	#[\Override]
 	public function getShareByToken($token) {
 		$qb = $this->dbConn->getQueryBuilder();
 
@@ -1195,6 +1212,7 @@ class DefaultShareProvider implements
 	 * @param string $uid
 	 * @param int $shareType
 	 */
+	#[\Override]
 	public function userDeleted($uid, $shareType) {
 		$qb = $this->dbConn->getQueryBuilder();
 
@@ -1260,6 +1278,7 @@ class DefaultShareProvider implements
 	 *
 	 * @param string $gid
 	 */
+	#[\Override]
 	public function groupDeleted($gid) {
 		/*
 		 * First delete all custom group shares for group members
@@ -1308,6 +1327,7 @@ class DefaultShareProvider implements
 	 * @param string $gid
 	 * @return void
 	 */
+	#[\Override]
 	public function userDeletedFromGroup($uid, $gid) {
 		/*
 		 * Get all group shares
@@ -1386,6 +1406,7 @@ class DefaultShareProvider implements
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function getAccessList($nodes, $currentAccess) {
 		$ids = [];
 		foreach ($nodes as $node) {
@@ -1516,6 +1537,7 @@ class DefaultShareProvider implements
 		}
 	}
 
+	#[\Override]
 	public function sendMailNotification(IShare $share): bool {
 		try {
 			// Check user
@@ -1718,6 +1740,7 @@ class DefaultShareProvider implements
 		}
 	}
 
+	#[\Override]
 	public function getAllShares(): iterable {
 		$qb = $this->dbConn->getQueryBuilder();
 
@@ -1782,6 +1805,7 @@ class DefaultShareProvider implements
 		return \json_encode($compressedAttributes);
 	}
 
+	#[\Override]
 	public function getUsersForShare(IShare $share): iterable {
 		if ($share->getShareType() === IShare::TYPE_USER) {
 			return [new LazyUser($share->getSharedWith(), $this->userManager)];
diff --git a/lib/private/Share20/GroupDeletedListener.php b/lib/private/Share20/GroupDeletedListener.php
index 7e1ad71c465..e6370cd958f 100644
--- a/lib/private/Share20/GroupDeletedListener.php
+++ b/lib/private/Share20/GroupDeletedListener.php
@@ -22,6 +22,7 @@ class GroupDeletedListener implements IEventListener {
 	) {
 	}
 
+	#[\Override]
 	public function handle(Event $event): void {
 		if (!$event instanceof GroupDeletedEvent) {
 			return;
diff --git a/lib/private/Share20/Manager.php b/lib/private/Share20/Manager.php
index 707fbfd5b41..a2d45ee3147 100644
--- a/lib/private/Share20/Manager.php
+++ b/lib/private/Share20/Manager.php
@@ -1349,6 +1349,7 @@ class Manager implements IManager {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function getSharedWithByPath(string $userId, int $shareType, string $path, bool $forChildren, int $limit = 50, int $offset = 0): iterable {
 		try {
 			$provider = $this->factory->getProviderForType($shareType);
@@ -1842,6 +1843,7 @@ class Manager implements IManager {
 		return $this->config->getAppValue('core', 'shareapi_restrict_user_enumeration_full_match_user_id', 'yes') === 'yes';
 	}
 
+	#[\Override]
 	public function matchDisplayName(): bool {
 		return $this->config->getAppValue('core', 'shareapi_restrict_user_enumeration_full_match_displayname', 'yes') === 'yes';
 	}
@@ -1924,6 +1926,7 @@ class Manager implements IManager {
 		return true;
 	}
 
+	#[\Override]
 	public function registerShareProvider(string $shareProviderClass): void {
 		$this->factory->registerProvider($shareProviderClass);
 	}
@@ -1993,6 +1996,7 @@ class Manager implements IManager {
 		}
 	}
 
+	#[\Override]
 	public function getUsersForShare(IShare $share): iterable {
 		$provider = $this->factory->getProviderForType($share->getShareType());
 		if ($provider instanceof IShareProviderGetUsers) {
diff --git a/lib/private/Share20/ProviderFactory.php b/lib/private/Share20/ProviderFactory.php
index c84dd5f7f45..769dc7426c7 100644
--- a/lib/private/Share20/ProviderFactory.php
+++ b/lib/private/Share20/ProviderFactory.php
@@ -46,6 +46,7 @@ class ProviderFactory implements IProviderFactory {
 	) {
 	}
 
+	#[\Override]
 	public function registerProvider(string $shareProviderClass): void {
 		$this->registeredShareProviders[] = $shareProviderClass;
 	}
@@ -128,6 +129,7 @@ class ProviderFactory implements IProviderFactory {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function getProvider($id) {
 		$provider = null;
 		if (isset($this->shareProviders[$id])) {
@@ -171,6 +173,7 @@ class ProviderFactory implements IProviderFactory {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function getProviderForType($shareType) {
 		$provider = null;
 
@@ -199,6 +202,7 @@ class ProviderFactory implements IProviderFactory {
 		return $provider;
 	}
 
+	#[\Override]
 	public function getAllProviders() {
 		$shares = [$this->defaultShareProvider(), $this->federatedShareProvider()];
 		$shareByMail = $this->getShareByMailProvider();
diff --git a/lib/private/Share20/PublicShareTemplateFactory.php b/lib/private/Share20/PublicShareTemplateFactory.php
index d1079cc9662..164a0b79a64 100644
--- a/lib/private/Share20/PublicShareTemplateFactory.php
+++ b/lib/private/Share20/PublicShareTemplateFactory.php
@@ -25,6 +25,7 @@ class PublicShareTemplateFactory implements IPublicShareTemplateFactory {
 	) {
 	}
 
+	#[\Override]
 	public function getProvider(IShare $share): IPublicShareTemplateProvider {
 		$context = $this->coordinator->getRegistrationContext();
 		if ($context === null) {
diff --git a/lib/private/Share20/Share.php b/lib/private/Share20/Share.php
index 3dd57fb3565..2ededbc7c36 100644
--- a/lib/private/Share20/Share.php
+++ b/lib/private/Share20/Share.php
@@ -155,6 +155,7 @@ class Share implements IShare {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function setNodeId($fileId) {
 		$this->node = null;
 		$this->fileId = $fileId;
@@ -164,6 +165,7 @@ class Share implements IShare {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function getNodeId(): int {
 		if ($this->fileId === null) {
 			$this->fileId = $this->getNode()->getId();
@@ -179,6 +181,7 @@ class Share implements IShare {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function setNodeType($type) {
 		if ($type !== 'file' && $type !== 'folder') {
 			throw new \InvalidArgumentException();
@@ -191,6 +194,7 @@ class Share implements IShare {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function getNodeType() {
 		if ($this->nodeType === null) {
 			if ($this->getNodeCacheEntry()) {
@@ -208,6 +212,7 @@ class Share implements IShare {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function setShareType($shareType) {
 		$this->shareType = $shareType;
 		return $this;
@@ -216,6 +221,7 @@ class Share implements IShare {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function getShareType() {
 		return $this->shareType;
 	}
@@ -223,6 +229,7 @@ class Share implements IShare {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function setSharedWith($sharedWith) {
 		if (!is_string($sharedWith)) {
 			throw new \InvalidArgumentException();
@@ -234,6 +241,7 @@ class Share implements IShare {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function getSharedWith() {
 		return $this->sharedWith;
 	}
@@ -241,6 +249,7 @@ class Share implements IShare {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function setSharedWithDisplayName($displayName) {
 		if (!is_string($displayName)) {
 			throw new \InvalidArgumentException();
@@ -252,6 +261,7 @@ class Share implements IShare {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function getSharedWithDisplayName() {
 		return $this->sharedWithDisplayName;
 	}
@@ -259,6 +269,7 @@ class Share implements IShare {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function setSharedWithAvatar($src) {
 		if (!is_string($src)) {
 			throw new \InvalidArgumentException();
@@ -270,6 +281,7 @@ class Share implements IShare {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function getSharedWithAvatar() {
 		return $this->sharedWithAvatar;
 	}
@@ -277,6 +289,7 @@ class Share implements IShare {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function setPermissions($permissions) {
 		//TODO checks
 
@@ -287,6 +300,7 @@ class Share implements IShare {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function getPermissions() {
 		return $this->permissions;
 	}
@@ -294,6 +308,7 @@ class Share implements IShare {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function newAttributes(): IAttributes {
 		return new ShareAttributes();
 	}
@@ -301,6 +316,7 @@ class Share implements IShare {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function setAttributes(?IAttributes $attributes) {
 		$this->attributes = $attributes;
 		return $this;
@@ -309,6 +325,7 @@ class Share implements IShare {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function getAttributes(): ?IAttributes {
 		return $this->attributes;
 	}
@@ -316,6 +333,7 @@ class Share implements IShare {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function setStatus(int $status): IShare {
 		$this->status = $status;
 		return $this;
@@ -324,6 +342,7 @@ class Share implements IShare {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function getStatus(): int {
 		return $this->status;
 	}
@@ -331,6 +350,7 @@ class Share implements IShare {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function setNote($note) {
 		$this->note = $note;
 		return $this;
@@ -339,6 +359,7 @@ class Share implements IShare {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function getNote() {
 		if (is_string($this->note)) {
 			return $this->note;
@@ -349,6 +370,7 @@ class Share implements IShare {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function setLabel($label) {
 		$this->label = $label;
 		return $this;
@@ -357,6 +379,7 @@ class Share implements IShare {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function getLabel() {
 		return $this->label;
 	}
@@ -364,6 +387,7 @@ class Share implements IShare {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function setExpirationDate($expireDate) {
 		//TODO checks
 
@@ -374,6 +398,7 @@ class Share implements IShare {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function getExpirationDate() {
 		return $this->expireDate;
 	}
@@ -381,6 +406,7 @@ class Share implements IShare {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function setNoExpirationDate(bool $noExpirationDate) {
 		$this->noExpirationDate = $noExpirationDate;
 		return $this;
@@ -389,6 +415,7 @@ class Share implements IShare {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function getNoExpirationDate(): bool {
 		return $this->noExpirationDate;
 	}
@@ -396,6 +423,7 @@ class Share implements IShare {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function isExpired() {
 		return $this->getExpirationDate() !== null
 			&& $this->getExpirationDate() <= new \DateTime();
@@ -404,6 +432,7 @@ class Share implements IShare {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function setSharedBy($sharedBy) {
 		if (!is_string($sharedBy)) {
 			throw new \InvalidArgumentException();
@@ -417,6 +446,7 @@ class Share implements IShare {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function getSharedBy() {
 		//TODO check if set
 		return $this->sharedBy;
@@ -425,6 +455,7 @@ class Share implements IShare {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function setShareOwner($shareOwner) {
 		if (!is_string($shareOwner)) {
 			throw new \InvalidArgumentException();
@@ -438,6 +469,7 @@ class Share implements IShare {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function getShareOwner() {
 		//TODO check if set
 		return $this->shareOwner;
@@ -446,6 +478,7 @@ class Share implements IShare {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function setPassword($password) {
 		$this->password = $password;
 		return $this;
@@ -454,6 +487,7 @@ class Share implements IShare {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function getPassword() {
 		return $this->password;
 	}
@@ -461,6 +495,7 @@ class Share implements IShare {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function setPasswordExpirationTime(?\DateTimeInterface $passwordExpirationTime = null): IShare {
 		$this->passwordExpirationTime = $passwordExpirationTime;
 		return $this;
@@ -469,6 +504,7 @@ class Share implements IShare {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function getPasswordExpirationTime(): ?\DateTimeInterface {
 		return $this->passwordExpirationTime;
 	}
@@ -476,6 +512,7 @@ class Share implements IShare {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function setSendPasswordByTalk(bool $sendPasswordByTalk) {
 		$this->sendPasswordByTalk = $sendPasswordByTalk;
 		return $this;
@@ -484,6 +521,7 @@ class Share implements IShare {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function getSendPasswordByTalk(): bool {
 		return $this->sendPasswordByTalk;
 	}
@@ -491,6 +529,7 @@ class Share implements IShare {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function setToken($token) {
 		$this->token = $token;
 		return $this;
@@ -499,15 +538,18 @@ class Share implements IShare {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function getToken() {
 		return $this->token;
 	}
 
+	#[\Override]
 	public function setParent(int $parent): self {
 		$this->parent = $parent;
 		return $this;
 	}
 
+	#[\Override]
 	public function getParent(): ?int {
 		return $this->parent;
 	}
@@ -515,6 +557,7 @@ class Share implements IShare {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function setTarget($target) {
 		// if the target is changed, save the original target
 		if ($this->target && !$this->originalTarget) {
@@ -527,6 +570,7 @@ class Share implements IShare {
 	/**
 	 * Return the original target, if this share was moved
 	 */
+	#[\Override]
 	public function getOriginalTarget(): ?string {
 		return $this->originalTarget;
 	}
@@ -534,6 +578,7 @@ class Share implements IShare {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function getTarget() {
 		return $this->target;
 	}
@@ -541,6 +586,7 @@ class Share implements IShare {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function setShareTime(\DateTime $shareTime) {
 		$this->shareTime = $shareTime;
 		return $this;
@@ -549,6 +595,7 @@ class Share implements IShare {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function getShareTime() {
 		return $this->shareTime;
 	}
@@ -556,6 +603,7 @@ class Share implements IShare {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function setMailSend($mailSend) {
 		$this->mailSend = $mailSend;
 		return $this;
@@ -564,6 +612,7 @@ class Share implements IShare {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function getMailSend() {
 		return $this->mailSend;
 	}
@@ -571,6 +620,7 @@ class Share implements IShare {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function setNodeCacheEntry(ICacheEntry $entry) {
 		$this->nodeCacheEntry = $entry;
 	}
@@ -578,28 +628,34 @@ class Share implements IShare {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function getNodeCacheEntry() {
 		return $this->nodeCacheEntry;
 	}
 
+	#[\Override]
 	public function setHideDownload(bool $hide): IShare {
 		$this->hideDownload = $hide;
 		return $this;
 	}
 
+	#[\Override]
 	public function getHideDownload(): bool {
 		return $this->hideDownload;
 	}
 
+	#[\Override]
 	public function setReminderSent(bool $reminderSent): IShare {
 		$this->reminderSent = $reminderSent;
 		return $this;
 	}
 
+	#[\Override]
 	public function getReminderSent(): bool {
 		return $this->reminderSent;
 	}
 
+	#[\Override]
 	public function canDownload(): bool {
 		if (($this->getPermissions() & Constants::PERMISSION_READ) === 0) {
 			return false;
@@ -613,6 +669,7 @@ class Share implements IShare {
 		return true;
 	}
 
+	#[\Override]
 	public function canSeeContent(): bool {
 		$shareManager = Server::get(IManager::class);
 
diff --git a/lib/private/Share20/ShareAttributes.php b/lib/private/Share20/ShareAttributes.php
index f90fbd9c6cd..617322d5499 100644
--- a/lib/private/Share20/ShareAttributes.php
+++ b/lib/private/Share20/ShareAttributes.php
@@ -20,6 +20,7 @@ class ShareAttributes implements IAttributes {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function setAttribute(string $scope, string $key, mixed $value): IAttributes {
 		if (!\array_key_exists($scope, $this->attributes)) {
 			$this->attributes[$scope] = [];
@@ -31,6 +32,7 @@ class ShareAttributes implements IAttributes {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function getAttribute(string $scope, string $key): mixed {
 		if (\array_key_exists($scope, $this->attributes)
 			&& \array_key_exists($key, $this->attributes[$scope])) {
@@ -42,6 +44,7 @@ class ShareAttributes implements IAttributes {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function toArray(): array {
 		$result = [];
 		foreach ($this->attributes as $scope => $keys) {
diff --git a/lib/private/Share20/UserDeletedListener.php b/lib/private/Share20/UserDeletedListener.php
index e0e091454b0..426b3857c91 100644
--- a/lib/private/Share20/UserDeletedListener.php
+++ b/lib/private/Share20/UserDeletedListener.php
@@ -22,6 +22,7 @@ class UserDeletedListener implements IEventListener {
 	) {
 	}
 
+	#[\Override]
 	public function handle(Event $event): void {
 		if (!$event instanceof UserDeletedEvent) {
 			return;
diff --git a/lib/private/Share20/UserRemovedListener.php b/lib/private/Share20/UserRemovedListener.php
index 10cb68f9b9e..e0da6e050f0 100644
--- a/lib/private/Share20/UserRemovedListener.php
+++ b/lib/private/Share20/UserRemovedListener.php
@@ -22,6 +22,7 @@ class UserRemovedListener implements IEventListener {
 	) {
 	}
 
+	#[\Override]
 	public function handle(Event $event): void {
 		if (!$event instanceof UserRemovedEvent) {
 			return;
diff --git a/lib/private/SpeechToText/SpeechToTextManager.php b/lib/private/SpeechToText/SpeechToTextManager.php
index d69add2d80b..bf9da3709c6 100644
--- a/lib/private/SpeechToText/SpeechToTextManager.php
+++ b/lib/private/SpeechToText/SpeechToTextManager.php
@@ -48,6 +48,7 @@ class SpeechToTextManager implements ISpeechToTextManager {
 	) {
 	}
 
+	#[\Override]
 	public function getProviders(): array {
 		$context = $this->coordinator->getRegistrationContext();
 		if ($context === null) {
@@ -74,6 +75,7 @@ class SpeechToTextManager implements ISpeechToTextManager {
 		return $this->providers;
 	}
 
+	#[\Override]
 	public function hasProviders(): bool {
 		$context = $this->coordinator->getRegistrationContext();
 		if ($context === null) {
@@ -82,6 +84,7 @@ class SpeechToTextManager implements ISpeechToTextManager {
 		return !empty($context->getSpeechToTextProviders());
 	}
 
+	#[\Override]
 	public function scheduleFileTranscription(File $file, ?string $userId, string $appId): void {
 		if (!$this->hasProviders()) {
 			throw new PreConditionNotMetException('No SpeechToText providers have been registered');
@@ -98,6 +101,7 @@ class SpeechToTextManager implements ISpeechToTextManager {
 		}
 	}
 
+	#[\Override]
 	public function cancelScheduledFileTranscription(File $file, ?string $userId, string $appId): void {
 		try {
 			$jobArguments = [
@@ -116,6 +120,7 @@ class SpeechToTextManager implements ISpeechToTextManager {
 		}
 	}
 
+	#[\Override]
 	public function transcribeFile(File $file, ?string $userId = null, string $appId = 'core'): string {
 		// try to run a TaskProcessing core:audio2text task
 		// this covers scheduling as well because OC\SpeechToText\TranscriptionJob calls this method
diff --git a/lib/private/SpeechToText/TranscriptionJob.php b/lib/private/SpeechToText/TranscriptionJob.php
index 6e899ef6e96..11ef970ab0b 100644
--- a/lib/private/SpeechToText/TranscriptionJob.php
+++ b/lib/private/SpeechToText/TranscriptionJob.php
@@ -40,6 +40,7 @@ class TranscriptionJob extends QueuedJob {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	protected function run($argument) {
 		$fileId = $argument['fileId'];
 		$owner = $argument['owner'];
diff --git a/lib/private/SubAdmin.php b/lib/private/SubAdmin.php
index 5d97623726b..18c5d81d2f7 100644
--- a/lib/private/SubAdmin.php
+++ b/lib/private/SubAdmin.php
@@ -38,6 +38,7 @@ class SubAdmin extends PublicEmitter implements ISubAdmin {
 	 * @param IUser $user user to be SubAdmin
 	 * @param IGroup $group group $user becomes subadmin of
 	 */
+	#[\Override]
 	public function createSubAdmin(IUser $user, IGroup $group): void {
 		$qb = $this->dbConn->getQueryBuilder();
 
@@ -59,6 +60,7 @@ class SubAdmin extends PublicEmitter implements ISubAdmin {
 	 * @param IUser $user the user that is the SubAdmin
 	 * @param IGroup $group the group
 	 */
+	#[\Override]
 	public function deleteSubAdmin(IUser $user, IGroup $group): void {
 		$qb = $this->dbConn->getQueryBuilder();
 
@@ -78,6 +80,7 @@ class SubAdmin extends PublicEmitter implements ISubAdmin {
 	 * @param IUser $user the SubAdmin
 	 * @return IGroup[]
 	 */
+	#[\Override]
 	public function getSubAdminsGroups(IUser $user): array {
 		$groupIds = $this->getSubAdminsGroupIds($user);
 
@@ -130,6 +133,7 @@ class SubAdmin extends PublicEmitter implements ISubAdmin {
 	 * @param IGroup $group the group
 	 * @return IUser[]
 	 */
+	#[\Override]
 	public function getGroupsSubAdmins(IGroup $group): array {
 		$qb = $this->dbConn->getQueryBuilder();
 
@@ -183,6 +187,7 @@ class SubAdmin extends PublicEmitter implements ISubAdmin {
 	 * @param IGroup $group
 	 * @return bool
 	 */
+	#[\Override]
 	public function isSubAdminOfGroup(IUser $user, IGroup $group): bool {
 		$qb = $this->dbConn->getQueryBuilder();
 
@@ -207,6 +212,7 @@ class SubAdmin extends PublicEmitter implements ISubAdmin {
 	 * @param IUser $user
 	 * @return bool
 	 */
+	#[\Override]
 	public function isSubAdmin(IUser $user): bool {
 		// Check if the user is already an admin
 		if ($this->groupManager->isAdmin($user->getUID())) {
@@ -238,6 +244,7 @@ class SubAdmin extends PublicEmitter implements ISubAdmin {
 	 * @param IUser $user
 	 * @return bool
 	 */
+	#[\Override]
 	public function isUserAccessible(IUser $subadmin, IUser $user): bool {
 		if ($subadmin->getUID() === $user->getUID()) {
 			return true;
diff --git a/lib/private/Support/CrashReport/Registry.php b/lib/private/Support/CrashReport/Registry.php
index 4fbbb8448ca..21acbcc810b 100644
--- a/lib/private/Support/CrashReport/Registry.php
+++ b/lib/private/Support/CrashReport/Registry.php
@@ -30,6 +30,7 @@ class Registry implements IRegistry {
 	/**
 	 * Register a reporter instance
 	 */
+	#[\Override]
 	public function register(IReporter $reporter): void {
 		$this->reporters[] = $reporter;
 	}
@@ -43,6 +44,7 @@ class Registry implements IRegistry {
 	 *
 	 * @since 15.0.0
 	 */
+	#[\Override]
 	public function delegateBreadcrumb(string $message, string $category, array $context = []): void {
 		$this->loadLazyProviders();
 
@@ -58,6 +60,7 @@ class Registry implements IRegistry {
 	 *
 	 * @param Exception|Throwable $exception
 	 */
+	#[\Override]
 	public function delegateReport($exception, array $context = []): void {
 		$this->loadLazyProviders();
 
@@ -71,6 +74,7 @@ class Registry implements IRegistry {
 	 *
 	 * @return void
 	 */
+	#[\Override]
 	public function delegateMessage(string $message, array $context = []): void {
 		$this->loadLazyProviders();
 
@@ -114,6 +118,7 @@ class Registry implements IRegistry {
 		}
 	}
 
+	#[\Override]
 	public function hasReporters(): bool {
 		return !empty($this->lazyReporters) || !empty($this->reporters);
 	}
diff --git a/lib/private/Support/Subscription/Assertion.php b/lib/private/Support/Subscription/Assertion.php
index 7e90b0f2bbc..a05df9d7594 100644
--- a/lib/private/Support/Subscription/Assertion.php
+++ b/lib/private/Support/Subscription/Assertion.php
@@ -24,6 +24,7 @@ class Assertion implements IAssertion {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function createUserIsLegit(): void {
 		if ($this->registry->delegateIsHardUserLimitReached($this->notificationManager)) {
 			$l = $this->l10nFactory->get('lib');
diff --git a/lib/private/Support/Subscription/Registry.php b/lib/private/Support/Subscription/Registry.php
index 862f5647cf1..7cf5b4b9583 100644
--- a/lib/private/Support/Subscription/Registry.php
+++ b/lib/private/Support/Subscription/Registry.php
@@ -53,6 +53,7 @@ class Registry implements IRegistry {
 	 *
 	 * @since 17.0.0
 	 */
+	#[\Override]
 	public function register(ISubscription $subscription): void {
 		if ($this->subscription !== null || $this->subscriptionService !== null) {
 			throw new AlreadyRegisteredException();
@@ -60,6 +61,7 @@ class Registry implements IRegistry {
 		$this->subscription = $subscription;
 	}
 
+	#[\Override]
 	public function registerService(string $subscriptionService): void {
 		if ($this->subscription !== null || $this->subscriptionService !== null) {
 			throw new AlreadyRegisteredException();
@@ -74,6 +76,7 @@ class Registry implements IRegistry {
 	 *
 	 * @since 17.0.0
 	 */
+	#[\Override]
 	public function delegateGetSupportedApps(): array {
 		if ($this->getSubscription() instanceof ISupportedApps) {
 			return $this->getSubscription()->getSupportedApps();
@@ -86,6 +89,7 @@ class Registry implements IRegistry {
 	 *
 	 * @since 17.0.0
 	 */
+	#[\Override]
 	public function delegateHasValidSubscription(): bool {
 		// Allow overwriting this manually for environments where the subscription information cannot be fetched
 		if ($this->config->getSystemValueBool('has_valid_subscription')) {
@@ -103,6 +107,7 @@ class Registry implements IRegistry {
 	 *
 	 * @since 17.0.0
 	 */
+	#[\Override]
 	public function delegateHasExtendedSupport(): bool {
 		if ($this->getSubscription() instanceof ISubscription) {
 			return $this->getSubscription()->hasExtendedSupport();
@@ -117,6 +122,7 @@ class Registry implements IRegistry {
 	 * @param IManager|null $notificationManager
 	 * @since 21.0.0
 	 */
+	#[\Override]
 	public function delegateIsHardUserLimitReached(?IManager $notificationManager = null): bool {
 		$subscription = $this->getSubscription();
 		if ($subscription instanceof ISubscription
diff --git a/lib/private/SystemTag/ManagerFactory.php b/lib/private/SystemTag/ManagerFactory.php
index 4d3a1396529..7f3e732ddf0 100644
--- a/lib/private/SystemTag/ManagerFactory.php
+++ b/lib/private/SystemTag/ManagerFactory.php
@@ -38,6 +38,7 @@ class ManagerFactory implements ISystemTagManagerFactory {
 	 *
 	 * @since 9.0.0
 	 */
+	#[\Override]
 	public function getManager(): ISystemTagManager {
 		return new SystemTagManager(
 			$this->serverContainer->get(IDBConnection::class),
@@ -54,6 +55,7 @@ class ManagerFactory implements ISystemTagManagerFactory {
 	 *
 	 * @since 9.0.0
 	 */
+	#[\Override]
 	public function getObjectMapper(): ISystemTagObjectMapper {
 		return new SystemTagObjectMapper(
 			$this->serverContainer->get(IDBConnection::class),
diff --git a/lib/private/SystemTag/SystemTag.php b/lib/private/SystemTag/SystemTag.php
index 1a573dabeaa..52f303896b8 100644
--- a/lib/private/SystemTag/SystemTag.php
+++ b/lib/private/SystemTag/SystemTag.php
@@ -21,22 +21,27 @@ class SystemTag implements ISystemTag {
 	) {
 	}
 
+	#[\Override]
 	public function getId(): string {
 		return $this->id;
 	}
 
+	#[\Override]
 	public function getName(): string {
 		return $this->name;
 	}
 
+	#[\Override]
 	public function isUserVisible(): bool {
 		return $this->userVisible;
 	}
 
+	#[\Override]
 	public function isUserAssignable(): bool {
 		return $this->userAssignable;
 	}
 
+	#[\Override]
 	public function getAccessLevel(): int {
 		if (!$this->userVisible) {
 			return self::ACCESS_LEVEL_INVISIBLE;
@@ -49,10 +54,12 @@ class SystemTag implements ISystemTag {
 		return self::ACCESS_LEVEL_PUBLIC;
 	}
 
+	#[\Override]
 	public function getETag(): ?string {
 		return $this->etag;
 	}
 
+	#[\Override]
 	public function getColor(): ?string {
 		return $this->color;
 	}
diff --git a/lib/private/SystemTag/SystemTagManager.php b/lib/private/SystemTag/SystemTagManager.php
index f83c8176f1a..97d3708be8e 100644
--- a/lib/private/SystemTag/SystemTagManager.php
+++ b/lib/private/SystemTag/SystemTagManager.php
@@ -51,6 +51,7 @@ class SystemTagManager implements ISystemTagManager {
 			->andWhere($query->expr()->eq('editable', $query->createParameter('editable')));
 	}
 
+	#[\Override]
 	public function getTagsByIds($tagIds, ?IUser $user = null): array {
 		if (!\is_array($tagIds)) {
 			$tagIds = [$tagIds];
@@ -95,6 +96,7 @@ class SystemTagManager implements ISystemTagManager {
 		return $tags;
 	}
 
+	#[\Override]
 	public function getAllTags($visibilityFilter = null, $nameSearchPattern = null): array {
 		$tags = [];
 
@@ -130,6 +132,7 @@ class SystemTagManager implements ISystemTagManager {
 		return $tags;
 	}
 
+	#[\Override]
 	public function getTag(string $tagName, bool $userVisible, bool $userAssignable): ISystemTag {
 		// Length of name column is 64
 		$truncatedTagName = substr($tagName, 0, 64);
@@ -159,6 +162,7 @@ class SystemTagManager implements ISystemTagManager {
 		}
 	}
 
+	#[\Override]
 	public function createTag(string $tagName, bool $userVisible, bool $userAssignable, ?IUser $user = null): ISystemTag {
 		$user ??= $this->userSession->getUser();
 		if (!$this->canUserCreateTag($user)) {
@@ -213,6 +217,7 @@ class SystemTagManager implements ISystemTagManager {
 		return $tag;
 	}
 
+	#[\Override]
 	public function updateTag(
 		string $tagId,
 		string $newName,
@@ -291,6 +296,7 @@ class SystemTagManager implements ISystemTagManager {
 		));
 	}
 
+	#[\Override]
 	public function deleteTags($tagIds): void {
 		if (!\is_array($tagIds)) {
 			$tagIds = [$tagIds];
@@ -340,6 +346,7 @@ class SystemTagManager implements ISystemTagManager {
 		}
 	}
 
+	#[\Override]
 	public function canUserAssignTag(ISystemTag $tag, ?IUser $user): bool {
 		if ($user === null) {
 			return false;
@@ -369,6 +376,7 @@ class SystemTagManager implements ISystemTagManager {
 		return false;
 	}
 
+	#[\Override]
 	public function canUserCreateTag(?IUser $user): bool {
 		if ($user === null) {
 			// If no user given, allows only calls from CLI
@@ -382,11 +390,13 @@ class SystemTagManager implements ISystemTagManager {
 		return $this->groupManager->isAdmin($user->getUID());
 	}
 
+	#[\Override]
 	public function canUserUpdateTag(?IUser $user): bool {
 		// We currently have no different permissions for updating tags than for creating them
 		return $this->canUserCreateTag($user);
 	}
 
+	#[\Override]
 	public function canUserSeeTag(ISystemTag $tag, ?IUser $user): bool {
 		// If no user, then we only show public tags
 		if (!$user && $tag->getAccessLevel() === ISystemTag::ACCESS_LEVEL_PUBLIC) {
@@ -413,6 +423,7 @@ class SystemTagManager implements ISystemTagManager {
 		return new SystemTag((string)$row['id'], $row['name'], (bool)$row['visibility'], (bool)$row['editable'], $row['etag'], $row['color']);
 	}
 
+	#[\Override]
 	public function setTagGroups(ISystemTag $tag, array $groupIds): void {
 		// delete relationships first
 		$this->connection->beginTransaction();
@@ -444,6 +455,7 @@ class SystemTagManager implements ISystemTagManager {
 		}
 	}
 
+	#[\Override]
 	public function getTagGroups(ISystemTag $tag): array {
 		$groupIds = [];
 		$query = $this->connection->getQueryBuilder();
diff --git a/lib/private/SystemTag/SystemTagObjectMapper.php b/lib/private/SystemTag/SystemTagObjectMapper.php
index 43dddde0b23..59fafe3200b 100644
--- a/lib/private/SystemTag/SystemTagObjectMapper.php
+++ b/lib/private/SystemTag/SystemTagObjectMapper.php
@@ -70,6 +70,7 @@ class SystemTagObjectMapper implements ISystemTagObjectMapper {
 	/**
 	 * {@inheritdoc}
 	 */
+	#[\Override]
 	public function getObjectIdsForTags($tagIds, string $objectType, int $limit = 0, string $offset = ''): array {
 		if (!\is_array($tagIds)) {
 			$tagIds = [$tagIds];
@@ -232,6 +233,7 @@ class SystemTagObjectMapper implements ISystemTagObjectMapper {
 	/**
 	 * {@inheritdoc}
 	 */
+	#[\Override]
 	public function haveTag($objIds, string $objectType, string $tagId, bool $all = true): bool {
 		$this->assertTagsExist([$tagId]);
 
@@ -296,6 +298,7 @@ class SystemTagObjectMapper implements ISystemTagObjectMapper {
 	/**
 	 * {@inheritdoc}
 	 */
+	#[\Override]
 	public function setObjectIdsForTag(string $tagId, string $objectType, array $objectIds): void {
 		$currentObjectIds = $this->getObjectIdsForTags($tagId, $objectType);
 		$removedObjectIds = array_diff($currentObjectIds, $objectIds);
@@ -369,6 +372,7 @@ class SystemTagObjectMapper implements ISystemTagObjectMapper {
 	/**
 	 * {@inheritdoc}
 	 */
+	#[\Override]
 	public function getAvailableObjectTypes(): array {
 		$query = $this->connection->getQueryBuilder();
 		$query->selectDistinct('objecttype')
diff --git a/lib/private/TagManager.php b/lib/private/TagManager.php
index d93647c4e4f..90b8d558d88 100644
--- a/lib/private/TagManager.php
+++ b/lib/private/TagManager.php
@@ -51,6 +51,7 @@ class TagManager implements ITagManager, IEventListener {
 	 *
 	 * since 20.0.0 $includeShared isn't used anymore
 	 */
+	#[\Override]
 	public function load($type, $defaultTags = [], $includeShared = false, $userId = null) {
 		if (is_null($userId)) {
 			$user = $this->userSession->getUser();
@@ -87,6 +88,7 @@ class TagManager implements ITagManager, IEventListener {
 		return $users;
 	}
 
+	#[\Override]
 	public function handle(Event $event): void {
 		if (!($event instanceof UserDeletedEvent)) {
 			return;
diff --git a/lib/private/Tagging/Tag.php b/lib/private/Tagging/Tag.php
index 55a3a410281..7ddcd97e6ac 100644
--- a/lib/private/Tagging/Tag.php
+++ b/lib/private/Tagging/Tag.php
@@ -45,6 +45,7 @@ class Tag extends Entity {
 	 * @todo migrate existing database columns to the correct names
 	 * to be able to drop this direct mapping
 	 */
+	#[\Override]
 	public function columnToProperty(string $columnName): string {
 		if ($columnName === 'category') {
 			return 'name';
@@ -63,6 +64,7 @@ class Tag extends Entity {
 	 * @param string $property the name of the property
 	 * @return string the column name
 	 */
+	#[\Override]
 	public function propertyToColumn(string $property): string {
 		if ($property === 'name') {
 			return 'category';
diff --git a/lib/private/Tags.php b/lib/private/Tags.php
index d4f4b93e470..ec06259db70 100644
--- a/lib/private/Tags.php
+++ b/lib/private/Tags.php
@@ -72,6 +72,7 @@ class Tags implements ITags {
 	 *
 	 * @return boolean
 	 */
+	#[\Override]
 	public function isEmpty(): bool {
 		return count($this->tags) === 0;
 	}
@@ -83,6 +84,7 @@ class Tags implements ITags {
 	 * @param string $id The ID of the tag that is going to be mapped
 	 * @return array|false
 	 */
+	#[\Override]
 	public function getTag(string $id) {
 		$key = $this->getTagById($id);
 		if ($key !== false) {
@@ -102,6 +104,7 @@ class Tags implements ITags {
 	 *
 	 * @return array<array-key, array{id: int, name: string}>
 	 */
+	#[\Override]
 	public function getTags(): array {
 		if (!count($this->tags)) {
 			return [];
@@ -142,6 +145,7 @@ class Tags implements ITags {
 	 * @return array<int, list<string>>|false of tags id as key to array of tag names
 	 *                                        or false if an error occurred
 	 */
+	#[\Override]
 	public function getTagsForObjects(array $objIds) {
 		$entries = [];
 
@@ -188,6 +192,7 @@ class Tags implements ITags {
 	 * @return int[]|false An array of object ids or false on error.
 	 * @throws \Exception
 	 */
+	#[\Override]
 	public function getIdsForTag($tag) {
 		$tagId = false;
 		if (is_numeric($tag)) {
@@ -238,6 +243,7 @@ class Tags implements ITags {
 	 * @param string $name The tag name to check for.
 	 * @param string $user The user whose tags are to be checked.
 	 */
+	#[\Override]
 	public function userHasTag(string $name, string $user): bool {
 		return $this->array_searchi($name, $this->getTagsForUser($user)) !== false;
 	}
@@ -247,6 +253,7 @@ class Tags implements ITags {
 	 *
 	 * @param string $name The tag name to check for.
 	 */
+	#[\Override]
 	public function hasTag(string $name): bool {
 		return $this->getTagId($name) !== false;
 	}
@@ -257,6 +264,7 @@ class Tags implements ITags {
 	 * @param string $name A string with a name of the tag
 	 * @return false|int the id of the added tag or false on error.
 	 */
+	#[\Override]
 	public function add(string $name) {
 		$name = trim($name);
 
@@ -290,6 +298,7 @@ class Tags implements ITags {
 	 * @param string $to The new name of the tag.
 	 * @return bool
 	 */
+	#[\Override]
 	public function rename($from, string $to): bool {
 		$from = trim($from);
 		$to = trim($to);
@@ -337,6 +346,7 @@ class Tags implements ITags {
 	 * @param int|null $id int Optional object id to add to this|these tag(s)
 	 * @return bool Returns false on error.
 	 */
+	#[\Override]
 	public function addMultiple($names, bool $sync = false, ?int $id = null): bool {
 		if (!is_array($names)) {
 			$names = [$names];
@@ -417,6 +427,7 @@ class Tags implements ITags {
 	 * @param array $ids The ids of the objects
 	 * @return boolean Returns false on error.
 	 */
+	#[\Override]
 	public function purgeObjects(array $ids): bool {
 		if (count($ids) === 0) {
 			// job done ;)
@@ -443,6 +454,7 @@ class Tags implements ITags {
 	 *
 	 * @return array|false An array of object ids.
 	 */
+	#[\Override]
 	public function getFavorites() {
 		if (!$this->userHasTag(ITags::TAG_FAVORITE, $this->user)) {
 			return [];
@@ -468,6 +480,7 @@ class Tags implements ITags {
 	 * @param int $objid The id of the object
 	 * @return boolean
 	 */
+	#[\Override]
 	public function addToFavorites($objid) {
 		if (!$this->userHasTag(ITags::TAG_FAVORITE, $this->user)) {
 			$this->add(ITags::TAG_FAVORITE);
@@ -481,6 +494,7 @@ class Tags implements ITags {
 	 * @param int $objid The id of the object
 	 * @return boolean
 	 */
+	#[\Override]
 	public function removeFromFavorites($objid) {
 		return $this->unTag($objid, ITags::TAG_FAVORITE);
 	}
@@ -488,6 +502,7 @@ class Tags implements ITags {
 	/**
 	 * Creates a tag/object relation.
 	 */
+	#[\Override]
 	public function tagAs($objid, $tag, ?string $path = null) {
 		if (is_string($tag) && !is_numeric($tag)) {
 			$tag = trim($tag);
@@ -536,6 +551,7 @@ class Tags implements ITags {
 	/**
 	 * Delete single tag/object relation from the db
 	 */
+	#[\Override]
 	public function unTag($objid, $tag, ?string $path = null) {
 		if (is_string($tag) && !is_numeric($tag)) {
 			$tag = trim($tag);
@@ -584,6 +600,7 @@ class Tags implements ITags {
 	 * @param string[]|integer[] $names An array of tags (names or IDs) to delete
 	 * @return bool Returns false on error
 	 */
+	#[\Override]
 	public function delete($names) {
 		if (!is_array($names)) {
 			$names = [$names];
diff --git a/lib/private/Talk/Broker.php b/lib/private/Talk/Broker.php
index eaf5fad96c6..6feca955023 100644
--- a/lib/private/Talk/Broker.php
+++ b/lib/private/Talk/Broker.php
@@ -32,6 +32,7 @@ class Broker implements IBroker {
 	) {
 	}
 
+	#[\Override]
 	public function hasBackend(): bool {
 		if ($this->hasBackend !== null) {
 			return $this->hasBackend;
@@ -66,10 +67,12 @@ class Broker implements IBroker {
 		}
 	}
 
+	#[\Override]
 	public function newConversationOptions(): IConversationOptions {
 		return ConversationOptions::default();
 	}
 
+	#[\Override]
 	public function createConversation(string $name,
 		array $moderators,
 		?IConversationOptions $options = null): IConversation {
@@ -84,6 +87,7 @@ class Broker implements IBroker {
 		);
 	}
 
+	#[\Override]
 	public function deleteConversation(string $id): void {
 		if (!$this->hasBackend()) {
 			throw new NoBackendException('The Talk broker has no registered backend');
diff --git a/lib/private/Talk/ConversationOptions.php b/lib/private/Talk/ConversationOptions.php
index f237491f355..eff5a44a4ab 100644
--- a/lib/private/Talk/ConversationOptions.php
+++ b/lib/private/Talk/ConversationOptions.php
@@ -23,25 +23,30 @@ class ConversationOptions implements IConversationOptions {
 		return new self(false);
 	}
 
+	#[\Override]
 	public function setPublic(bool $isPublic = true): IConversationOptions {
 		$this->isPublic = $isPublic;
 		return $this;
 	}
 
+	#[\Override]
 	public function isPublic(): bool {
 		return $this->isPublic;
 	}
 
+	#[\Override]
 	public function setMeetingDate(\DateTimeInterface $meetingStartDate, \DateTimeInterface $meetingEndDate): IConversationOptions {
 		$this->meetingStartDate = $meetingStartDate;
 		$this->meetingEndDate = $meetingEndDate;
 		return $this;
 	}
 
+	#[\Override]
 	public function getMeetingStartDate(): ?\DateTimeInterface {
 		return $this->meetingStartDate;
 	}
 
+	#[\Override]
 	public function getMeetingEndDate(): ?\DateTimeInterface {
 		return $this->meetingEndDate;
 	}
diff --git a/lib/private/TaskProcessing/Db/TaskMapper.php b/lib/private/TaskProcessing/Db/TaskMapper.php
index fd3b81c0dfb..544fefa40d2 100644
--- a/lib/private/TaskProcessing/Db/TaskMapper.php
+++ b/lib/private/TaskProcessing/Db/TaskMapper.php
@@ -216,6 +216,7 @@ class TaskMapper extends QBMapper {
 		};
 	}
 
+	#[\Override]
 	public function update(Entity $entity): Entity {
 		$entity->setLastUpdated($this->timeFactory->now()->getTimestamp());
 		return parent::update($entity);
diff --git a/lib/private/TaskProcessing/Manager.php b/lib/private/TaskProcessing/Manager.php
index ef8ece9c823..4dd4fc36a24 100644
--- a/lib/private/TaskProcessing/Manager.php
+++ b/lib/private/TaskProcessing/Manager.php
@@ -197,6 +197,7 @@ class Manager implements IManager {
 				) {
 				}
 
+				#[\Override]
 				public function getId(): string {
 					if ($this->provider instanceof IProviderWithId) {
 						return $this->provider->getId();
@@ -204,10 +205,12 @@ class Manager implements IManager {
 					return Manager::LEGACY_PREFIX_TEXTPROCESSING . $this->provider::class;
 				}
 
+				#[\Override]
 				public function getName(): string {
 					return $this->provider->getName();
 				}
 
+				#[\Override]
 				public function getTaskTypeId(): string {
 					return match ($this->provider->getTaskType()) {
 						FreePromptTaskType::class => TextToText::ID,
@@ -218,6 +221,7 @@ class Manager implements IManager {
 					};
 				}
 
+				#[\Override]
 				public function getExpectedRuntime(): int {
 					if ($this->provider instanceof IProviderWithExpectedRuntime) {
 						return $this->provider->getExpectedRuntime();
@@ -225,14 +229,17 @@ class Manager implements IManager {
 					return 60;
 				}
 
+				#[\Override]
 				public function getOptionalInputShape(): array {
 					return [];
 				}
 
+				#[\Override]
 				public function getOptionalOutputShape(): array {
 					return [];
 				}
 
+				#[\Override]
 				public function process(?string $userId, array $input, callable $reportProgress): array {
 					if ($this->provider instanceof IProviderWithUserId) {
 						$this->provider->setUserId($userId);
@@ -244,26 +251,32 @@ class Manager implements IManager {
 					}
 				}
 
+				#[\Override]
 				public function getInputShapeEnumValues(): array {
 					return [];
 				}
 
+				#[\Override]
 				public function getInputShapeDefaults(): array {
 					return [];
 				}
 
+				#[\Override]
 				public function getOptionalInputShapeEnumValues(): array {
 					return [];
 				}
 
+				#[\Override]
 				public function getOptionalInputShapeDefaults(): array {
 					return [];
 				}
 
+				#[\Override]
 				public function getOutputShapeEnumValues(): array {
 					return [];
 				}
 
+				#[\Override]
 				public function getOptionalOutputShapeEnumValues(): array {
 					return [];
 				}
@@ -301,22 +314,27 @@ class Manager implements IManager {
 					$this->l = Server::get(IFactory::class)->get('core');
 				}
 
+				#[\Override]
 				public function getId(): string {
 					return Manager::LEGACY_PREFIX_TEXTPROCESSING . $this->oldTaskTypeClass;
 				}
 
+				#[\Override]
 				public function getName(): string {
 					return $this->oldTaskType->getName();
 				}
 
+				#[\Override]
 				public function getDescription(): string {
 					return $this->oldTaskType->getDescription();
 				}
 
+				#[\Override]
 				public function getInputShape(): array {
 					return ['input' => new ShapeDescriptor($this->l->t('Input text'), $this->l->t('The input text'), EShapeType::Text)];
 				}
 
+				#[\Override]
 				public function getOutputShape(): array {
 					return ['output' => new ShapeDescriptor($this->l->t('Input text'), $this->l->t('The input text'), EShapeType::Text)];
 				}
@@ -343,30 +361,37 @@ class Manager implements IManager {
 				) {
 				}
 
+				#[\Override]
 				public function getId(): string {
 					return Manager::LEGACY_PREFIX_TEXTTOIMAGE . $this->provider->getId();
 				}
 
+				#[\Override]
 				public function getName(): string {
 					return $this->provider->getName();
 				}
 
+				#[\Override]
 				public function getTaskTypeId(): string {
 					return TextToImage::ID;
 				}
 
+				#[\Override]
 				public function getExpectedRuntime(): int {
 					return $this->provider->getExpectedRuntime();
 				}
 
+				#[\Override]
 				public function getOptionalInputShape(): array {
 					return [];
 				}
 
+				#[\Override]
 				public function getOptionalOutputShape(): array {
 					return [];
 				}
 
+				#[\Override]
 				public function process(?string $userId, array $input, callable $reportProgress): array {
 					try {
 						$folder = $this->appData->getFolder('text2image');
@@ -417,26 +442,32 @@ class Manager implements IManager {
 					return ['images' => array_map(fn (ISimpleFile $file) => $file->getContent(), $files)];
 				}
 
+				#[\Override]
 				public function getInputShapeEnumValues(): array {
 					return [];
 				}
 
+				#[\Override]
 				public function getInputShapeDefaults(): array {
 					return [];
 				}
 
+				#[\Override]
 				public function getOptionalInputShapeEnumValues(): array {
 					return [];
 				}
 
+				#[\Override]
 				public function getOptionalInputShapeDefaults(): array {
 					return [];
 				}
 
+				#[\Override]
 				public function getOutputShapeEnumValues(): array {
 					return [];
 				}
 
+				#[\Override]
 				public function getOptionalOutputShapeEnumValues(): array {
 					return [];
 				}
@@ -486,6 +517,7 @@ class Manager implements IManager {
 				) {
 				}
 
+				#[\Override]
 				public function getId(): string {
 					if ($this->provider instanceof ISpeechToTextProviderWithId) {
 						return Manager::LEGACY_PREFIX_SPEECHTOTEXT . $this->provider->getId();
@@ -493,26 +525,32 @@ class Manager implements IManager {
 					return Manager::LEGACY_PREFIX_SPEECHTOTEXT . $this->provider::class;
 				}
 
+				#[\Override]
 				public function getName(): string {
 					return $this->provider->getName();
 				}
 
+				#[\Override]
 				public function getTaskTypeId(): string {
 					return AudioToText::ID;
 				}
 
+				#[\Override]
 				public function getExpectedRuntime(): int {
 					return 60;
 				}
 
+				#[\Override]
 				public function getOptionalInputShape(): array {
 					return [];
 				}
 
+				#[\Override]
 				public function getOptionalOutputShape(): array {
 					return [];
 				}
 
+				#[\Override]
 				public function process(?string $userId, array $input, callable $reportProgress): array {
 					if ($this->provider instanceof ISpeechToTextProviderWithUserId) {
 						$this->provider->setUserId($userId);
@@ -525,26 +563,32 @@ class Manager implements IManager {
 					return ['output' => $result];
 				}
 
+				#[\Override]
 				public function getInputShapeEnumValues(): array {
 					return [];
 				}
 
+				#[\Override]
 				public function getInputShapeDefaults(): array {
 					return [];
 				}
 
+				#[\Override]
 				public function getOptionalInputShapeEnumValues(): array {
 					return [];
 				}
 
+				#[\Override]
 				public function getOptionalInputShapeDefaults(): array {
 					return [];
 				}
 
+				#[\Override]
 				public function getOutputShapeEnumValues(): array {
 					return [];
 				}
 
+				#[\Override]
 				public function getOptionalOutputShapeEnumValues(): array {
 					return [];
 				}
@@ -829,10 +873,12 @@ class Manager implements IManager {
 		return array_combine($keys, $values);
 	}
 
+	#[\Override]
 	public function hasProviders(): bool {
 		return count($this->getProviders()) !== 0;
 	}
 
+	#[\Override]
 	public function getProviders(): array {
 		if ($this->providers === null) {
 			$this->providers = $this->_getProviders();
@@ -841,6 +887,7 @@ class Manager implements IManager {
 		return $this->providers;
 	}
 
+	#[\Override]
 	public function getPreferredProvider(string $taskTypeId) {
 		try {
 			if ($this->preferences === null) {
@@ -878,6 +925,7 @@ class Manager implements IManager {
 		throw new \OCP\TaskProcessing\Exception\Exception('No matching provider found');
 	}
 
+	#[\Override]
 	public function getAvailableTaskTypes(bool $showDisabled = false, ?string $userId = null): array {
 		// We cache by language, because some task type fields are translated
 		$cacheKey = self::TASK_TYPES_CACHE_KEY . ':' . $this->l10nFactory->findLanguage();
@@ -940,6 +988,7 @@ class Manager implements IManager {
 
 		return $this->availableTaskTypes;
 	}
+	#[\Override]
 	public function getAvailableTaskTypeIds(bool $showDisabled = false, ?string $userId = null): array {
 		// userId will be obtained from the session if left to null
 		if (!$this->checkGuestAccess($userId)) {
@@ -1003,6 +1052,7 @@ class Manager implements IManager {
 		return false;
 	}
 
+	#[\Override]
 	public function scheduleTask(Task $task): void {
 		if (!$this->checkGuestAccess($task->getUserId())) {
 			throw new PreConditionNotMetException('Access to this resource is forbidden for guests.');
@@ -1042,6 +1092,7 @@ class Manager implements IManager {
 		}
 	}
 
+	#[\Override]
 	public function runTask(Task $task): Task {
 		if (!$this->checkGuestAccess($task->getUserId())) {
 			throw new PreConditionNotMetException('Access to this resource is forbidden for guests.');
@@ -1068,6 +1119,7 @@ class Manager implements IManager {
 		return $task;
 	}
 
+	#[\Override]
 	public function processTask(Task $task, ISynchronousProvider $provider): bool {
 		try {
 			try {
@@ -1103,11 +1155,13 @@ class Manager implements IManager {
 		return true;
 	}
 
+	#[\Override]
 	public function deleteTask(Task $task): void {
 		$taskEntity = \OC\TaskProcessing\Db\Task::fromPublicTask($task);
 		$this->taskMapper->delete($taskEntity);
 	}
 
+	#[\Override]
 	public function getTask(int $id): Task {
 		try {
 			$taskEntity = $this->taskMapper->find($id);
@@ -1121,6 +1175,7 @@ class Manager implements IManager {
 		}
 	}
 
+	#[\Override]
 	public function cancelTask(int $id): void {
 		$task = $this->getTask($id);
 		if ($task->getStatus() !== Task::STATUS_SCHEDULED && $task->getStatus() !== Task::STATUS_RUNNING) {
@@ -1137,6 +1192,7 @@ class Manager implements IManager {
 		}
 	}
 
+	#[\Override]
 	public function setTaskProgress(int $id, float $progress): bool {
 		// TODO: Not sure if we should rather catch the exceptions of getTask here and fail silently
 		$task = $this->getTask($id);
@@ -1158,6 +1214,7 @@ class Manager implements IManager {
 		return true;
 	}
 
+	#[\Override]
 	public function setTaskResult(int $id, ?string $error, ?array $result, bool $isUsingFileIds = false, ?string $userFacingError = null): void {
 		// TODO: Not sure if we should rather catch the exceptions of getTask here and fail silently
 		$task = $this->getTask($id);
@@ -1252,6 +1309,7 @@ class Manager implements IManager {
 		$this->dispatcher->dispatchTyped($event);
 	}
 
+	#[\Override]
 	public function getNextScheduledTask(array $taskTypeIds = [], array $taskIdsToIgnore = []): Task {
 		try {
 			$taskEntity = $this->taskMapper->findOldestScheduledByType($taskTypeIds, $taskIdsToIgnore);
@@ -1265,6 +1323,7 @@ class Manager implements IManager {
 		}
 	}
 
+	#[\Override]
 	public function getNextScheduledTasks(array $taskTypeIds = [], array $taskIdsToIgnore = [], int $numberOfTasks = 1): array {
 		try {
 			return array_map(fn ($taskEntity) => $taskEntity->toPublicTask(), $this->taskMapper->findNOldestScheduledByType($taskTypeIds, $taskIdsToIgnore, $numberOfTasks));
@@ -1319,6 +1378,7 @@ class Manager implements IManager {
 		return $newInputOutput;
 	}
 
+	#[\Override]
 	public function getUserTask(int $id, ?string $userId): Task {
 		try {
 			$taskEntity = $this->taskMapper->findByIdAndUser($id, $userId);
@@ -1332,6 +1392,7 @@ class Manager implements IManager {
 		}
 	}
 
+	#[\Override]
 	public function getUserTasks(?string $userId, ?string $taskTypeId = null, ?string $customId = null): array {
 		try {
 			$taskEntities = $this->taskMapper->findByUserAndTaskType($userId, $taskTypeId, $customId);
@@ -1343,6 +1404,7 @@ class Manager implements IManager {
 		}
 	}
 
+	#[\Override]
 	public function getTasks(
 		?string $userId, ?string $taskTypeId = null, ?string $appId = null, ?string $customId = null,
 		?int $status = null, ?int $scheduleAfter = null, ?int $endedBefore = null,
@@ -1357,6 +1419,7 @@ class Manager implements IManager {
 		}
 	}
 
+	#[\Override]
 	public function countTasks(int $status, array $taskTypeIds = []): int {
 		try {
 			return $this->taskMapper->countByStatus($taskTypeIds, $status);
@@ -1365,6 +1428,7 @@ class Manager implements IManager {
 		}
 	}
 
+	#[\Override]
 	public function getUserTasksByApp(?string $userId, string $appId, ?string $customId = null): array {
 		try {
 			$taskEntities = $this->taskMapper->findUserTasksByApp($userId, $appId, $customId);
@@ -1425,6 +1489,7 @@ class Manager implements IManager {
 	 * @throws NotPermittedException
 	 * @throws ValidationException|UnauthorizedException
 	 */
+	#[\Override]
 	public function prepareInputData(Task $task): array {
 		$taskTypes = $this->getAvailableTaskTypes();
 		$inputShape = $taskTypes[$task->getTaskTypeId()]['inputShape'];
@@ -1435,6 +1500,7 @@ class Manager implements IManager {
 		return $input;
 	}
 
+	#[\Override]
 	public function lockTask(Task $task): bool {
 		$taskEntity = \OC\TaskProcessing\Db\Task::fromPublicTask($task);
 		if ($this->taskMapper->lockTask($taskEntity) === 0) {
@@ -1448,6 +1514,7 @@ class Manager implements IManager {
 	 * @throws \JsonException
 	 * @throws Exception
 	 */
+	#[\Override]
 	public function setTaskStatus(Task $task, int $status): void {
 		$currentTaskStatus = $task->getStatus();
 		if ($currentTaskStatus === Task::STATUS_SCHEDULED && $status === Task::STATUS_RUNNING) {
@@ -1602,6 +1669,7 @@ class Manager implements IManager {
 	 * @return list<int>
 	 * @throws NotFoundException
 	 */
+	#[\Override]
 	public function extractFileIdsFromTask(Task $task): array {
 		$ids = [];
 		$taskTypes = $this->getAvailableTaskTypes();
diff --git a/lib/private/TaskProcessing/SynchronousBackgroundJob.php b/lib/private/TaskProcessing/SynchronousBackgroundJob.php
index 19c53d59932..ec221635992 100644
--- a/lib/private/TaskProcessing/SynchronousBackgroundJob.php
+++ b/lib/private/TaskProcessing/SynchronousBackgroundJob.php
@@ -30,6 +30,7 @@ class SynchronousBackgroundJob extends QueuedJob {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	protected function run($argument) {
 		$providers = $this->taskProcessingManager->getProviders();
 
diff --git a/lib/private/Teams/TeamManager.php b/lib/private/Teams/TeamManager.php
index fea2ccc9587..8e838365ed8 100644
--- a/lib/private/Teams/TeamManager.php
+++ b/lib/private/Teams/TeamManager.php
@@ -32,10 +32,12 @@ class TeamManager implements ITeamManager {
 	) {
 	}
 
+	#[\Override]
 	public function hasTeamSupport(): bool {
 		return $this->circlesManager !== null;
 	}
 
+	#[\Override]
 	public function getProviders(): array {
 		if (!$this->hasTeamSupport()) {
 			return [];
@@ -57,6 +59,7 @@ class TeamManager implements ITeamManager {
 		return $this->providers;
 	}
 
+	#[\Override]
 	public function getProvider(string $providerId): ITeamResourceProvider {
 		$providers = $this->getProviders();
 		if (isset($providers[$providerId])) {
@@ -66,6 +69,7 @@ class TeamManager implements ITeamManager {
 		throw new \RuntimeException('No provider found for id ' . $providerId);
 	}
 
+	#[\Override]
 	public function getSharedWith(string $teamId, string $userId): array {
 		if (!$this->hasTeamSupport()) {
 			return [];
@@ -84,6 +88,7 @@ class TeamManager implements ITeamManager {
 		return array_values($resources);
 	}
 
+	#[\Override]
 	public function getSharedWithList(array $teams, string $userId, string $resourceId): array {
 		if (!$this->hasTeamSupport()) {
 			return [];
@@ -103,6 +108,7 @@ class TeamManager implements ITeamManager {
 		return array_merge_recursive(...$resources);
 	}
 
+	#[\Override]
 	public function getTeamsForResource(string $providerId, string $resourceId, string $userId): array {
 		if (!$this->hasTeamSupport()) {
 			return [];
@@ -137,6 +143,7 @@ class TeamManager implements ITeamManager {
 	 *
 	 * @return array<string, string> userId => displayName
 	 */
+	#[\Override]
 	public function getMembersOfTeam(string $teamId, string $userId): array {
 		$team = $this->getTeam($teamId, $userId);
 		if ($team === null) {
@@ -163,6 +170,7 @@ class TeamManager implements ITeamManager {
 		return $this->circlesManager->getCirclesByIds($teams);
 	}
 
+	#[\Override]
 	public function getTeamsForUser(string $userId): array {
 		if (!$this->hasTeamSupport()) {
 			return [];
diff --git a/lib/private/TempManager.php b/lib/private/TempManager.php
index 052b1845add..c45912f03bb 100644
--- a/lib/private/TempManager.php
+++ b/lib/private/TempManager.php
@@ -44,6 +44,7 @@ class TempManager implements ITempManager {
 		return $absolutePath . $postFix;
 	}
 
+	#[\Override]
 	public function getTemporaryFile($postFix = ''): string|false {
 		$path = $this->generateTemporaryPath($postFix);
 
@@ -65,6 +66,7 @@ class TempManager implements ITempManager {
 		return $path;
 	}
 
+	#[\Override]
 	public function getTemporaryFolder($postFix = ''): string|false {
 		$path = $this->generateTemporaryPath($postFix) . '/';
 
@@ -85,6 +87,7 @@ class TempManager implements ITempManager {
 	/**
 	 * Remove the temporary files and folders generated during this request
 	 */
+	#[\Override]
 	public function clean() {
 		$this->cleanFiles($this->current);
 	}
@@ -113,6 +116,7 @@ class TempManager implements ITempManager {
 	/**
 	 * Remove old temporary files and folders that were failed to be cleaned
 	 */
+	#[\Override]
 	public function cleanOld() {
 		$this->cleanFiles($this->getOldFiles());
 	}
@@ -146,6 +150,7 @@ class TempManager implements ITempManager {
 	 * @return string Path to the temporary directory or null
 	 * @throws \UnexpectedValueException
 	 */
+	#[\Override]
 	public function getTempBaseDir(): string {
 		if ($this->tmpBaseDir) {
 			return $this->tmpBaseDir;
diff --git a/lib/private/Template/CSSResourceLocator.php b/lib/private/Template/CSSResourceLocator.php
index f77bfca0562..9de9b4c608a 100644
--- a/lib/private/Template/CSSResourceLocator.php
+++ b/lib/private/Template/CSSResourceLocator.php
@@ -24,6 +24,7 @@ class CSSResourceLocator extends ResourceLocator {
 		parent::__construct($logger, $config);
 	}
 
+	#[\Override]
 	public function doFind(string $resource): void {
 		$parts = explode('/', $resource);
 		if (count($parts) < 2) {
@@ -57,6 +58,7 @@ class CSSResourceLocator extends ResourceLocator {
 		$this->append($app_path, join('/', array_slice($parts, 1)) . '.css', $app_url);
 	}
 
+	#[\Override]
 	public function doFindTheme(string $resource): void {
 		$theme_dir = 'themes/' . $this->theme . '/';
 		$this->appendIfExist($this->serverroot, $theme_dir . 'apps/' . $resource . '.css')
@@ -64,6 +66,7 @@ class CSSResourceLocator extends ResourceLocator {
 			|| $this->appendIfExist($this->serverroot, $theme_dir . 'core/' . $resource . '.css');
 	}
 
+	#[\Override]
 	public function append(string $root, string $file, ?string $webRoot = null, bool $throw = true, bool $scss = false): void {
 		if (!$scss) {
 			parent::append($root, $file, $webRoot, $throw);
diff --git a/lib/private/Template/JSResourceLocator.php b/lib/private/Template/JSResourceLocator.php
index fc35b6c3128..7353b3c77fd 100644
--- a/lib/private/Template/JSResourceLocator.php
+++ b/lib/private/Template/JSResourceLocator.php
@@ -25,6 +25,7 @@ class JSResourceLocator extends ResourceLocator {
 		parent::__construct($logger, $config);
 	}
 
+	#[\Override]
 	public function doFind(string $resource): void {
 		$theme_dir = 'themes/' . $this->theme . '/';
 
@@ -89,6 +90,7 @@ class JSResourceLocator extends ResourceLocator {
 		]);
 	}
 
+	#[\Override]
 	public function doFindTheme(string $resource): void {
 	}
 
diff --git a/lib/private/Template/Template.php b/lib/private/Template/Template.php
index 040c1daf19e..f7d14f9cbb5 100644
--- a/lib/private/Template/Template.php
+++ b/lib/private/Template/Template.php
@@ -108,6 +108,7 @@ class Template extends Base implements ITemplate {
 	 * This function process the template. If $this->renderAs is set, it
 	 * will produce a full page.
 	 */
+	#[\Override]
 	public function fetchPage(?array $additionalParams = null): string {
 		$data = parent::fetchPage($additionalParams);
 
diff --git a/lib/private/Template/TemplateManager.php b/lib/private/Template/TemplateManager.php
index 0f0af51798a..810400e5ac4 100644
--- a/lib/private/Template/TemplateManager.php
+++ b/lib/private/Template/TemplateManager.php
@@ -32,6 +32,7 @@ class TemplateManager implements ITemplateManager {
 	 * @param TemplateResponse::RENDER_AS_* $renderAs
 	 * @throws TemplateNotFoundException if the template cannot be found
 	 */
+	#[\Override]
 	public function getTemplate(string $app, string $name, string $renderAs = TemplateResponse::RENDER_AS_BLANK, bool $registerCall = true): ITemplate {
 		return new Template($app, $name, $renderAs, $registerCall);
 	}
@@ -42,6 +43,7 @@ class TemplateManager implements ITemplateManager {
 	 * @param string $name Name of the template
 	 * @param array $parameters Parameters for the template
 	 */
+	#[\Override]
 	public function printGuestPage(string $application, string $name, array $parameters = []): void {
 		$content = $this->getTemplate($application, $name, $name === 'error' ? $name : 'guest');
 		foreach ($parameters as $key => $value) {
@@ -55,6 +57,7 @@ class TemplateManager implements ITemplateManager {
 	 * @param string $error_msg The error message to show
 	 * @param string $hint An optional hint message - needs to be properly escape
 	 */
+	#[\Override]
 	public function printErrorPage(string $error_msg, string $hint = '', int $statusCode = 500): never {
 		if ($this->appManager->isEnabledForUser('theming') && !$this->appManager->isAppLoaded('theming')) {
 			$this->appManager->loadApp('theming');
@@ -109,6 +112,7 @@ class TemplateManager implements ITemplateManager {
 	/**
 	 * print error page using Exception details
 	 */
+	#[\Override]
 	public function printExceptionErrorPage(\Throwable $exception, int $statusCode = 503): never {
 		$debug = false;
 		http_response_code($statusCode);
diff --git a/lib/private/TextProcessing/Db/TaskMapper.php b/lib/private/TextProcessing/Db/TaskMapper.php
index b03e5833958..cafcae24362 100644
--- a/lib/private/TextProcessing/Db/TaskMapper.php
+++ b/lib/private/TextProcessing/Db/TaskMapper.php
@@ -95,6 +95,7 @@ class TaskMapper extends QBMapper {
 		return $qb->executeStatement();
 	}
 
+	#[\Override]
 	public function update(Entity $entity): Entity {
 		$entity->setLastUpdated($this->timeFactory->now()->getTimestamp());
 		return parent::update($entity);
diff --git a/lib/private/TextProcessing/Manager.php b/lib/private/TextProcessing/Manager.php
index 3fe45ce55ec..ea2f1d2a5d2 100644
--- a/lib/private/TextProcessing/Manager.php
+++ b/lib/private/TextProcessing/Manager.php
@@ -62,6 +62,7 @@ class Manager implements IManager {
 	) {
 	}
 
+	#[\Override]
 	public function getProviders(): array {
 		$context = $this->coordinator->getRegistrationContext();
 		if ($context === null) {
@@ -88,6 +89,7 @@ class Manager implements IManager {
 		return $this->providers;
 	}
 
+	#[\Override]
 	public function hasProviders(): bool {
 		// check if task processing equivalent types are available
 		$taskTaskTypes = $this->taskProcessingManager->getAvailableTaskTypes();
@@ -107,6 +109,7 @@ class Manager implements IManager {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function getAvailableTaskTypes(): array {
 		$tasks = [];
 		foreach ($this->getProviders() as $provider) {
@@ -131,6 +134,7 @@ class Manager implements IManager {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function runTask(OCPTask $task): string {
 		// try to run a task processing task if possible
 		$taskTypeClass = $task->getType();
@@ -215,6 +219,7 @@ class Manager implements IManager {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function scheduleTask(OCPTask $task): void {
 		if (!$this->canHandleTask($task)) {
 			throw new PreConditionNotMetException('No LanguageModel provider is installed that can handle this task');
@@ -245,6 +250,7 @@ class Manager implements IManager {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function runOrScheduleTask(OCPTask $task): bool {
 		if (!$this->canHandleTask($task)) {
 			throw new PreConditionNotMetException('No LanguageModel provider is installed that can handle this task');
@@ -264,6 +270,7 @@ class Manager implements IManager {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function deleteTask(Task $task): void {
 		$taskEntity = DbTask::fromPublicTask($task);
 		$this->taskMapper->delete($taskEntity);
@@ -280,6 +287,7 @@ class Manager implements IManager {
 	 * @throws RuntimeException If the query failed
 	 * @throws NotFoundException If the task could not be found
 	 */
+	#[\Override]
 	public function getTask(int $id): OCPTask {
 		try {
 			$taskEntity = $this->taskMapper->find($id);
@@ -303,6 +311,7 @@ class Manager implements IManager {
 	 * @throws RuntimeException If the query failed
 	 * @throws NotFoundException If the task could not be found
 	 */
+	#[\Override]
 	public function getUserTask(int $id, ?string $userId): OCPTask {
 		try {
 			$taskEntity = $this->taskMapper->findByIdAndUser($id, $userId);
@@ -326,6 +335,7 @@ class Manager implements IManager {
 	 * @param string|null $identifier
 	 * @return array
 	 */
+	#[\Override]
 	public function getUserTasksByApp(string $userId, string $appId, ?string $identifier = null): array {
 		try {
 			$taskEntities = $this->taskMapper->findUserTasksByApp($userId, $appId, $identifier);
diff --git a/lib/private/TextProcessing/RemoveOldTasksBackgroundJob.php b/lib/private/TextProcessing/RemoveOldTasksBackgroundJob.php
index be5e4127d08..2c120d8aac5 100644
--- a/lib/private/TextProcessing/RemoveOldTasksBackgroundJob.php
+++ b/lib/private/TextProcessing/RemoveOldTasksBackgroundJob.php
@@ -33,6 +33,7 @@ class RemoveOldTasksBackgroundJob extends TimedJob {
 	 * @param mixed $argument
 	 * @inheritDoc
 	 */
+	#[\Override]
 	protected function run($argument) {
 		try {
 			$this->taskMapper->deleteOlderThan(self::MAX_TASK_AGE_SECONDS);
diff --git a/lib/private/TextProcessing/TaskBackgroundJob.php b/lib/private/TextProcessing/TaskBackgroundJob.php
index 2942fd7d0aa..e44adf8b179 100644
--- a/lib/private/TextProcessing/TaskBackgroundJob.php
+++ b/lib/private/TextProcessing/TaskBackgroundJob.php
@@ -33,6 +33,7 @@ class TaskBackgroundJob extends QueuedJob {
 	 * @param array{taskId: int} $argument
 	 * @inheritDoc
 	 */
+	#[\Override]
 	protected function run($argument) {
 		$taskId = $argument['taskId'];
 		$task = $this->textProcessingManager->getTask($taskId);
diff --git a/lib/private/TextToImage/Db/TaskMapper.php b/lib/private/TextToImage/Db/TaskMapper.php
index 37f492e14cf..f500443f70b 100644
--- a/lib/private/TextToImage/Db/TaskMapper.php
+++ b/lib/private/TextToImage/Db/TaskMapper.php
@@ -104,6 +104,7 @@ class TaskMapper extends QBMapper {
 		return $deletedTasks;
 	}
 
+	#[\Override]
 	public function update(Entity $entity): Entity {
 		$entity->setLastUpdated($this->timeFactory->getDateTime());
 		return parent::update($entity);
diff --git a/lib/private/TextToImage/Manager.php b/lib/private/TextToImage/Manager.php
index eec6cc3d241..330b130f075 100644
--- a/lib/private/TextToImage/Manager.php
+++ b/lib/private/TextToImage/Manager.php
@@ -53,6 +53,7 @@ class Manager implements IManager {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function getProviders(): array {
 		$context = $this->coordinator->getRegistrationContext();
 		if ($context === null) {
@@ -84,6 +85,7 @@ class Manager implements IManager {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function hasProviders(): bool {
 		$context = $this->coordinator->getRegistrationContext();
 		if ($context === null) {
@@ -95,6 +97,7 @@ class Manager implements IManager {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function runTask(Task $task): void {
 		$this->logger->debug('Running TextToImage Task');
 		if (!$this->hasProviders()) {
@@ -191,6 +194,7 @@ class Manager implements IManager {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function scheduleTask(Task $task): void {
 		if (!$this->hasProviders()) {
 			throw new PreConditionNotMetException('No text to image provider is installed that can handle this task');
@@ -211,6 +215,7 @@ class Manager implements IManager {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function runOrScheduleTask(Task $task) : void {
 		if (!$this->hasProviders()) {
 			throw new PreConditionNotMetException('No text to image provider is installed that can handle this task');
@@ -228,6 +233,7 @@ class Manager implements IManager {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function deleteTask(Task $task): void {
 		$taskEntity = DbTask::fromPublicTask($task);
 		$this->taskMapper->delete($taskEntity);
@@ -244,6 +250,7 @@ class Manager implements IManager {
 	 * @throws RuntimeException If the query failed
 	 * @throws TaskNotFoundException If the task could not be found
 	 */
+	#[\Override]
 	public function getTask(int $id): Task {
 		try {
 			$taskEntity = $this->taskMapper->find($id);
@@ -267,6 +274,7 @@ class Manager implements IManager {
 	 * @throws RuntimeException If the query failed
 	 * @throws TaskNotFoundException If the task could not be found
 	 */
+	#[\Override]
 	public function getUserTask(int $id, ?string $userId): Task {
 		try {
 			$taskEntity = $this->taskMapper->findByIdAndUser($id, $userId);
@@ -291,6 +299,7 @@ class Manager implements IManager {
 	 * @return Task[]
 	 * @throws RuntimeException
 	 */
+	#[\Override]
 	public function getUserTasksByApp(?string $userId, string $appId, ?string $identifier = null): array {
 		try {
 			$taskEntities = $this->taskMapper->findUserTasksByApp($userId, $appId, $identifier);
diff --git a/lib/private/TextToImage/RemoveOldTasksBackgroundJob.php b/lib/private/TextToImage/RemoveOldTasksBackgroundJob.php
index 225984a7956..7a38b847948 100644
--- a/lib/private/TextToImage/RemoveOldTasksBackgroundJob.php
+++ b/lib/private/TextToImage/RemoveOldTasksBackgroundJob.php
@@ -41,6 +41,7 @@ class RemoveOldTasksBackgroundJob extends TimedJob {
 	 * @param mixed $argument
 	 * @inheritDoc
 	 */
+	#[\Override]
 	protected function run($argument) {
 		try {
 			$deletedTasks = $this->taskMapper->deleteOlderThan(self::MAX_TASK_AGE_SECONDS);
diff --git a/lib/private/TextToImage/TaskBackgroundJob.php b/lib/private/TextToImage/TaskBackgroundJob.php
index 16990005530..8127addca50 100644
--- a/lib/private/TextToImage/TaskBackgroundJob.php
+++ b/lib/private/TextToImage/TaskBackgroundJob.php
@@ -33,6 +33,7 @@ class TaskBackgroundJob extends QueuedJob {
 	 * @param array{taskId: int} $argument
 	 * @inheritDoc
 	 */
+	#[\Override]
 	protected function run($argument) {
 		$taskId = $argument['taskId'];
 		$task = $this->text2imageManager->getTask($taskId);
diff --git a/lib/private/Translation/TranslationManager.php b/lib/private/Translation/TranslationManager.php
index 08f9f36678a..a4d7138531a 100644
--- a/lib/private/Translation/TranslationManager.php
+++ b/lib/private/Translation/TranslationManager.php
@@ -41,6 +41,7 @@ class TranslationManager implements ITranslationManager {
 	) {
 	}
 
+	#[\Override]
 	public function getLanguages(): array {
 		$languages = [];
 		foreach ($this->getProviders() as $provider) {
@@ -49,6 +50,7 @@ class TranslationManager implements ITranslationManager {
 		return $languages;
 	}
 
+	#[\Override]
 	public function translate(string $text, ?string &$fromLanguage, string $toLanguage): string {
 		if (!$this->hasProviders()) {
 			throw new PreConditionNotMetException('No translation providers available');
@@ -112,6 +114,7 @@ class TranslationManager implements ITranslationManager {
 		throw new CouldNotTranslateException($fromLanguage);
 	}
 
+	#[\Override]
 	public function getProviders(): array {
 		$context = $this->coordinator->getRegistrationContext();
 
@@ -134,11 +137,13 @@ class TranslationManager implements ITranslationManager {
 		return $this->providers;
 	}
 
+	#[\Override]
 	public function hasProviders(): bool {
 		$context = $this->coordinator->getRegistrationContext();
 		return !empty($context->getTranslationProviders());
 	}
 
+	#[\Override]
 	public function canDetectLanguage(): bool {
 		foreach ($this->getProviders() as $provider) {
 			if ($provider instanceof IDetectLanguageProvider) {
diff --git a/lib/private/URLGenerator.php b/lib/private/URLGenerator.php
index 0debd9ba99a..2c7070f1c2d 100644
--- a/lib/private/URLGenerator.php
+++ b/lib/private/URLGenerator.php
@@ -60,6 +60,7 @@ class URLGenerator implements IURLGenerator {
 	 *
 	 * Returns a url to the given route.
 	 */
+	#[\Override]
 	public function linkToRoute(string $routeName, array $arguments = []): string {
 		return $this->router->generate($routeName, $arguments);
 	}
@@ -72,10 +73,12 @@ class URLGenerator implements IURLGenerator {
 	 *
 	 * Returns an absolute url to the given route.
 	 */
+	#[\Override]
 	public function linkToRouteAbsolute(string $routeName, array $arguments = []): string {
 		return $this->getAbsoluteURL($this->linkToRoute($routeName, $arguments));
 	}
 
+	#[\Override]
 	public function linkToOCSRouteAbsolute(string $routeName, array $arguments = []): string {
 		// Returns `/subfolder/index.php/ocsapp/…` with `'htaccess.IgnoreFrontController' => false` in config.php
 		// And `/subfolder/ocsapp/…` with `'htaccess.IgnoreFrontController' => true` in config.php
@@ -110,6 +113,7 @@ class URLGenerator implements IURLGenerator {
 	 *
 	 * Returns a url to the given app and file.
 	 */
+	#[\Override]
 	public function linkTo(string $appName, string $file, array $args = []): string {
 		$frontControllerActive = ($this->config->getSystemValueBool('htaccess.IgnoreFrontController', false) || getenv('front_controller_active') === 'true');
 
@@ -158,6 +162,7 @@ class URLGenerator implements IURLGenerator {
 	 *
 	 * Returns the path to the image.
 	 */
+	#[\Override]
 	public function imagePath(string $appName, string $file): string {
 		$cache = $this->cacheFactory->createDistributed('imagePath-' . md5($this->getBaseUrl()) . '-');
 		$cacheKey = $appName . '-' . $file;
@@ -241,6 +246,7 @@ class URLGenerator implements IURLGenerator {
 	 * @param string $url the url in the Nextcloud host
 	 * @return string the absolute version of the url
 	 */
+	#[\Override]
 	public function getAbsoluteURL(string $url): string {
 		$separator = str_starts_with($url, '/') ? '' : '/';
 
@@ -259,6 +265,7 @@ class URLGenerator implements IURLGenerator {
 	 * @param string $key
 	 * @return string url to the online documentation
 	 */
+	#[\Override]
 	public function linkToDocs(string $key): string {
 		$theme = Server::get('ThemingDefaults');
 		return $theme->buildDocLinkToKey($key);
@@ -269,6 +276,7 @@ class URLGenerator implements IURLGenerator {
 	 * and the apps visible for the current user
 	 * @return string
 	 */
+	#[\Override]
 	public function linkToDefaultPageUrl(): string {
 		// Deny the redirect if the URL contains a @
 		// This prevents unvalidated redirects like ?redirect_url=:user@domain.com
@@ -302,6 +310,7 @@ class URLGenerator implements IURLGenerator {
 	/**
 	 * @return string base url of the current request
 	 */
+	#[\Override]
 	public function getBaseUrl(): string {
 		// BaseUrl can be equal to 'http(s)://' during the first steps of the initial setup.
 		if ($this->baseUrl === null || $this->baseUrl === 'http://' || $this->baseUrl === 'https://') {
@@ -313,6 +322,7 @@ class URLGenerator implements IURLGenerator {
 	/**
 	 * @return string webroot part of the base url
 	 */
+	#[\Override]
 	public function getWebroot(): string {
 		return \OC::$WEBROOT;
 	}
diff --git a/lib/private/User/AvailabilityCoordinator.php b/lib/private/User/AvailabilityCoordinator.php
index 988f2e55260..32535711817 100644
--- a/lib/private/User/AvailabilityCoordinator.php
+++ b/lib/private/User/AvailabilityCoordinator.php
@@ -34,6 +34,7 @@ class AvailabilityCoordinator implements IAvailabilityCoordinator {
 		$this->cache = $cacheFactory->createLocal('OutOfOfficeData');
 	}
 
+	#[\Override]
 	public function isEnabled(): bool {
 		return $this->config->getAppValue(Application::APP_ID, 'hide_absence_settings', 'no') === 'no';
 	}
@@ -87,6 +88,7 @@ class AvailabilityCoordinator implements IAvailabilityCoordinator {
 		$this->cache->set($data->getUser()->getUID(), $cachedString, 300);
 	}
 
+	#[\Override]
 	public function getCurrentOutOfOfficeData(IUser $user): ?IOutOfOfficeData {
 		$timezone = $this->getCachedTimezone($user->getUID());
 		if ($timezone === null) {
@@ -115,11 +117,13 @@ class AvailabilityCoordinator implements IAvailabilityCoordinator {
 		$this->cache->set($userId . '_timezone', $timezone, 3600);
 	}
 
+	#[\Override]
 	public function clearCache(string $userId): void {
 		$this->cache->set($userId, null, 300);
 		$this->cache->set($userId . '_timezone', null, 3600);
 	}
 
+	#[\Override]
 	public function isInEffect(IOutOfOfficeData $data): bool {
 		return $this->absenceService->isInEffect($data);
 	}
diff --git a/lib/private/User/Backend.php b/lib/private/User/Backend.php
index 9b6a9a890ef..878a7ae8c7e 100644
--- a/lib/private/User/Backend.php
+++ b/lib/private/User/Backend.php
@@ -68,6 +68,7 @@ abstract class Backend implements UserInterface {
 	 * Returns the supported actions as int to be
 	 * compared with self::CREATE_USER etc.
 	 */
+	#[\Override]
 	public function implementsActions($actions) {
 		return (bool)($this->getSupportedActions() & $actions);
 	}
@@ -79,6 +80,7 @@ abstract class Backend implements UserInterface {
 	 *
 	 * Deletes a user
 	 */
+	#[\Override]
 	public function deleteUser($uid) {
 		return false;
 	}
@@ -91,6 +93,7 @@ abstract class Backend implements UserInterface {
 	 * @param null|int $offset
 	 * @return string[] an array of all uids
 	 */
+	#[\Override]
 	public function getUsers($search = '', $limit = null, $offset = null) {
 		return [];
 	}
@@ -100,6 +103,7 @@ abstract class Backend implements UserInterface {
 	 * @param string $uid the username
 	 * @return boolean
 	 */
+	#[\Override]
 	public function userExists($uid) {
 		return false;
 	}
@@ -118,6 +122,7 @@ abstract class Backend implements UserInterface {
 	 * @param string $uid user ID of the user
 	 * @return string display name
 	 */
+	#[\Override]
 	public function getDisplayName($uid) {
 		return $uid;
 	}
@@ -130,6 +135,7 @@ abstract class Backend implements UserInterface {
 	 * @param int|null $offset
 	 * @return array an array of all displayNames (value) and the corresponding uids (key)
 	 */
+	#[\Override]
 	public function getDisplayNames($search = '', $limit = null, $offset = null) {
 		$displayNames = [];
 		$users = $this->getUsers($search, $limit, $offset);
@@ -143,6 +149,7 @@ abstract class Backend implements UserInterface {
 	 * Check if a user list is available or not
 	 * @return boolean if users can be listed or not
 	 */
+	#[\Override]
 	public function hasUserListings() {
 		return false;
 	}
diff --git a/lib/private/User/BackgroundJobs/CleanupDeletedUsers.php b/lib/private/User/BackgroundJobs/CleanupDeletedUsers.php
index 0adb7861670..983ff73be65 100644
--- a/lib/private/User/BackgroundJobs/CleanupDeletedUsers.php
+++ b/lib/private/User/BackgroundJobs/CleanupDeletedUsers.php
@@ -30,6 +30,7 @@ class CleanupDeletedUsers extends TimedJob {
 		$this->setInterval(24 * 60 * 60);
 	}
 
+	#[\Override]
 	protected function run($argument): void {
 		$backend = new PartiallyDeletedUsersBackend($this->config);
 		$users = $backend->getUsers();
diff --git a/lib/private/User/Database.php b/lib/private/User/Database.php
index 7877deff62f..d65ef769c52 100644
--- a/lib/private/User/Database.php
+++ b/lib/private/User/Database.php
@@ -82,6 +82,7 @@ class Database extends ABackend implements
 	 * Creates a new user. Basic checking of username is done in OC_User
 	 * itself, not in its subclasses.
 	 */
+	#[\Override]
 	public function createUser(string $uid, string $password): bool {
 		if ($this->userExists($uid)) {
 			return false;
@@ -116,6 +117,7 @@ class Database extends ABackend implements
 	 * @param string $uid The username of the user to delete
 	 * @return bool
 	 */
+	#[\Override]
 	public function deleteUser($uid) {
 		// Delete user-group-relation
 		$dbConn = $this->getDbConnection();
@@ -157,6 +159,7 @@ class Database extends ABackend implements
 	 *
 	 * Change the password of a user
 	 */
+	#[\Override]
 	public function setPassword(string $uid, string $password): bool {
 		if (!$this->userExists($uid)) {
 			return false;
@@ -176,6 +179,7 @@ class Database extends ABackend implements
 		return $return;
 	}
 
+	#[\Override]
 	public function getPasswordHash(string $userId): ?string {
 		if (!$this->userExists($userId)) {
 			return null;
@@ -199,6 +203,7 @@ class Database extends ABackend implements
 		return $hash;
 	}
 
+	#[\Override]
 	public function setPasswordHash(string $userId, string $passwordHash): bool {
 		if (!Server::get(IHasher::class)->validate($passwordHash)) {
 			throw new InvalidArgumentException();
@@ -224,6 +229,7 @@ class Database extends ABackend implements
 	 *
 	 * Change the display name of a user
 	 */
+	#[\Override]
 	public function setDisplayName(string $uid, string $displayName): bool {
 		if (mb_strlen($displayName) > 64) {
 			throw new \InvalidArgumentException('Invalid displayname');
@@ -251,6 +257,7 @@ class Database extends ABackend implements
 	 * @param string $uid user ID of the user
 	 * @return string display name
 	 */
+	#[\Override]
 	public function getDisplayName($uid): string {
 		$uid = (string)$uid;
 		$this->loadUser($uid);
@@ -265,6 +272,7 @@ class Database extends ABackend implements
 	 * @param int|null $offset
 	 * @return array an array of all displayNames (value) and the corresponding uids (key)
 	 */
+	#[\Override]
 	public function getDisplayNames($search = '', $limit = null, $offset = null) {
 		$limit = $this->fixLimit($limit);
 
@@ -304,6 +312,7 @@ class Database extends ABackend implements
 	 * @return array
 	 * @since 21.0.1
 	 */
+	#[\Override]
 	public function searchKnownUsersByDisplayName(string $searcher, string $pattern, ?int $limit = null, ?int $offset = null): array {
 		$limit = $this->fixLimit($limit);
 
@@ -345,6 +354,7 @@ class Database extends ABackend implements
 	 * Check if the password is correct without logging in the user
 	 * returns the user id or false
 	 */
+	#[\Override]
 	public function checkPassword(string $loginName, string $password) {
 		$found = $this->loadUser($loginName);
 
@@ -433,6 +443,7 @@ class Database extends ABackend implements
 	 * @param null|int $offset
 	 * @return string[] an array of all uids
 	 */
+	#[\Override]
 	public function getUsers($search = '', $limit = null, $offset = null) {
 		$limit = $this->fixLimit($limit);
 
@@ -450,6 +461,7 @@ class Database extends ABackend implements
 	 * @param string $uid the username
 	 * @return boolean
 	 */
+	#[\Override]
 	public function userExists($uid) {
 		return $this->loadUser($uid);
 	}
@@ -460,6 +472,7 @@ class Database extends ABackend implements
 	 * @param string $uid the username
 	 * @return string|false
 	 */
+	#[\Override]
 	public function getHome(string $uid) {
 		if ($this->userExists($uid)) {
 			return $this->config->getSystemValueString('datadirectory', \OC::$SERVERROOT . '/data') . '/' . $uid;
@@ -471,6 +484,7 @@ class Database extends ABackend implements
 	/**
 	 * @return bool
 	 */
+	#[\Override]
 	public function hasUserListings() {
 		return true;
 	}
@@ -478,6 +492,7 @@ class Database extends ABackend implements
 	/**
 	 * counts the users in the database
 	 */
+	#[\Override]
 	public function countUsers(int $limit = 0): int|false {
 		$dbConn = $this->getDbConnection();
 		$query = $dbConn->getQueryBuilder();
@@ -510,6 +525,7 @@ class Database extends ABackend implements
 	 *
 	 * @return string the name of the backend to be shown
 	 */
+	#[\Override]
 	public function getBackendName() {
 		return 'Database';
 	}
@@ -532,6 +548,7 @@ class Database extends ABackend implements
 		}
 	}
 
+	#[\Override]
 	public function getRealUID(string $uid): string {
 		if (!$this->userExists($uid)) {
 			throw new \RuntimeException($uid . ' does not exist');
diff --git a/lib/private/User/DisplayNameCache.php b/lib/private/User/DisplayNameCache.php
index 96386ca35f2..186fef23602 100644
--- a/lib/private/User/DisplayNameCache.php
+++ b/lib/private/User/DisplayNameCache.php
@@ -69,6 +69,7 @@ class DisplayNameCache implements IEventListener {
 		$this->memCache->clear();
 	}
 
+	#[\Override]
 	public function handle(Event $event): void {
 		if ($event instanceof UserChangedEvent && $event->getFeature() === 'displayName') {
 			$userId = $event->getUser()->getUID();
diff --git a/lib/private/User/LazyUser.php b/lib/private/User/LazyUser.php
index f7b0dd23c6c..3ae6a557a2d 100644
--- a/lib/private/User/LazyUser.php
+++ b/lib/private/User/LazyUser.php
@@ -41,10 +41,12 @@ class LazyUser implements IUser {
 		return $this->user;
 	}
 
+	#[\Override]
 	public function getUID(): string {
 		return $this->uid;
 	}
 
+	#[\Override]
 	public function getDisplayName() {
 		if ($this->displayName) {
 			return $this->displayName;
@@ -53,126 +55,157 @@ class LazyUser implements IUser {
 		return $this->userManager->getDisplayName($this->uid) ?? $this->uid;
 	}
 
+	#[\Override]
 	public function setDisplayName($displayName) {
 		return $this->getUser()->setDisplayName($displayName);
 	}
 
+	#[\Override]
 	public function getLastLogin(): int {
 		return $this->getUser()->getLastLogin();
 	}
 
+	#[\Override]
 	public function getFirstLogin(): int {
 		return $this->getUser()->getFirstLogin();
 	}
 
+	#[\Override]
 	public function updateLastLoginTimestamp(): bool {
 		return $this->getUser()->updateLastLoginTimestamp();
 	}
 
+	#[\Override]
 	public function delete() {
 		return $this->getUser()->delete();
 	}
 
+	#[\Override]
 	public function setPassword($password, $recoveryPassword = null) {
 		return $this->getUser()->setPassword($password, $recoveryPassword);
 	}
 
+	#[\Override]
 	public function getPasswordHash(): ?string {
 		return $this->getUser()->getPasswordHash();
 	}
 
+	#[\Override]
 	public function setPasswordHash(string $passwordHash): bool {
 		return $this->getUser()->setPasswordHash($passwordHash);
 	}
 
+	#[\Override]
 	public function getHome() {
 		return $this->getUser()->getHome();
 	}
 
+	#[\Override]
 	public function getBackendClassName() {
 		return $this->getUser()->getBackendClassName();
 	}
 
+	#[\Override]
 	public function getBackend(): ?UserInterface {
 		return $this->getUser()->getBackend();
 	}
 
+	#[\Override]
 	public function canChangeAvatar(): bool {
 		return $this->getUser()->canChangeAvatar();
 	}
 
+	#[\Override]
 	public function canChangePassword(): bool {
 		return $this->getUser()->canChangePassword();
 	}
 
+	#[\Override]
 	public function canChangeDisplayName(): bool {
 		return $this->getUser()->canChangeDisplayName();
 	}
 
+	#[\Override]
 	public function canChangeEmail(): bool {
 		return $this->getUser()->canChangeEmail();
 	}
 
+	#[\Override]
 	public function canEditProperty(string $property): bool {
 		return $this->getUser()->canEditProperty($property);
 	}
 
+	#[\Override]
 	public function isEnabled() {
 		return $this->getUser()->isEnabled();
 	}
 
+	#[\Override]
 	public function setEnabled(bool $enabled = true) {
 		return $this->getUser()->setEnabled($enabled);
 	}
 
+	#[\Override]
 	public function getEMailAddress() {
 		return $this->getUser()->getEMailAddress();
 	}
 
+	#[\Override]
 	public function getSystemEMailAddress(): ?string {
 		return $this->getUser()->getSystemEMailAddress();
 	}
 
+	#[\Override]
 	public function getPrimaryEMailAddress(): ?string {
 		return $this->getUser()->getPrimaryEMailAddress();
 	}
 
+	#[\Override]
 	public function getAvatarImage($size) {
 		return $this->getUser()->getAvatarImage($size);
 	}
 
+	#[\Override]
 	public function getCloudId() {
 		return $this->getUser()->getCloudId();
 	}
 
+	#[\Override]
 	public function setEMailAddress($mailAddress) {
 		$this->getUser()->setEMailAddress($mailAddress);
 	}
 
+	#[\Override]
 	public function setSystemEMailAddress(string $mailAddress): void {
 		$this->getUser()->setSystemEMailAddress($mailAddress);
 	}
 
+	#[\Override]
 	public function setPrimaryEMailAddress(string $mailAddress): void {
 		$this->getUser()->setPrimaryEMailAddress($mailAddress);
 	}
 
+	#[\Override]
 	public function getQuota() {
 		return $this->getUser()->getQuota();
 	}
 
+	#[\Override]
 	public function getQuotaBytes(): int|float {
 		return $this->getUser()->getQuotaBytes();
 	}
 
+	#[\Override]
 	public function setQuota($quota) {
 		$this->getUser()->setQuota($quota);
 	}
 
+	#[\Override]
 	public function getManagerUids(): array {
 		return $this->getUser()->getManagerUids();
 	}
 
+	#[\Override]
 	public function setManagerUids(array $uids): void {
 		$this->getUser()->setManagerUids($uids);
 	}
diff --git a/lib/private/User/Listeners/BeforeUserDeletedListener.php b/lib/private/User/Listeners/BeforeUserDeletedListener.php
index c5d7efa767a..322b4e9f94a 100644
--- a/lib/private/User/Listeners/BeforeUserDeletedListener.php
+++ b/lib/private/User/Listeners/BeforeUserDeletedListener.php
@@ -27,6 +27,7 @@ class BeforeUserDeletedListener implements IEventListener {
 	) {
 	}
 
+	#[\Override]
 	public function handle(Event $event): void {
 		if (!($event instanceof BeforeUserDeletedEvent)) {
 			return;
diff --git a/lib/private/User/Listeners/UserChangedListener.php b/lib/private/User/Listeners/UserChangedListener.php
index 4dd4439574d..7ce6f8126f1 100644
--- a/lib/private/User/Listeners/UserChangedListener.php
+++ b/lib/private/User/Listeners/UserChangedListener.php
@@ -23,6 +23,7 @@ class UserChangedListener implements IEventListener {
 	) {
 	}
 
+	#[\Override]
 	public function handle(Event $event): void {
 		if (!($event instanceof UserChangedEvent)) {
 			return;
diff --git a/lib/private/User/Manager.php b/lib/private/User/Manager.php
index 5c899b7892f..6aa9784e2bd 100644
--- a/lib/private/User/Manager.php
+++ b/lib/private/User/Manager.php
@@ -88,14 +88,17 @@ class Manager extends PublicEmitter implements IUserManager {
 	 * Get the active backends
 	 * @return UserInterface[]
 	 */
+	#[\Override]
 	public function getBackends(): array {
 		return $this->backends;
 	}
 
+	#[\Override]
 	public function registerBackend(UserInterface $backend): void {
 		$this->backends[] = $backend;
 	}
 
+	#[\Override]
 	public function removeBackend(UserInterface $backend): void {
 		$this->cachedUsers = [];
 		if (($i = array_search($backend, $this->backends)) !== false) {
@@ -103,6 +106,7 @@ class Manager extends PublicEmitter implements IUserManager {
 		}
 	}
 
+	#[\Override]
 	public function clearBackends(): void {
 		$this->cachedUsers = [];
 		$this->backends = [];
@@ -114,6 +118,7 @@ class Manager extends PublicEmitter implements IUserManager {
 	 * @param string $uid
 	 * @return User|null Either the user or null if the specified user does not exist
 	 */
+	#[\Override]
 	public function get($uid) {
 		if (is_null($uid) || $uid === '' || $uid === false) {
 			return null;
@@ -150,6 +155,7 @@ class Manager extends PublicEmitter implements IUserManager {
 		return null;
 	}
 
+	#[\Override]
 	public function getDisplayName(string $uid): ?string {
 		return $this->displayNameCache->getDisplayName($uid);
 	}
@@ -184,6 +190,7 @@ class Manager extends PublicEmitter implements IUserManager {
 	 * @param string $uid
 	 * @return bool
 	 */
+	#[\Override]
 	public function userExists($uid) {
 		if (strlen($uid) > IUser::MAX_USERID_LENGTH) {
 			return false;
@@ -200,6 +207,7 @@ class Manager extends PublicEmitter implements IUserManager {
 	 * @param string $password
 	 * @return IUser|false the User object on success, false otherwise
 	 */
+	#[\Override]
 	public function checkPassword($loginName, $password) {
 		$result = $this->checkPasswordNoLogging($loginName, $password);
 
@@ -256,6 +264,7 @@ class Manager extends PublicEmitter implements IUserManager {
 		return false;
 	}
 
+	#[\Override]
 	public function search($pattern, $limit = null, $offset = null) {
 		$users = [];
 		foreach ($this->backends as $backend) {
@@ -273,6 +282,7 @@ class Manager extends PublicEmitter implements IUserManager {
 		return $users;
 	}
 
+	#[\Override]
 	public function searchDisplayName($pattern, $limit = null, $offset = null) {
 		$users = [];
 		foreach ($this->backends as $backend) {
@@ -293,6 +303,7 @@ class Manager extends PublicEmitter implements IUserManager {
 	/**
 	 * @return IUser[]
 	 */
+	#[\Override]
 	public function getDisabledUsers(?int $limit = null, int $offset = 0, string $search = ''): array {
 		$users = $this->config->getUsersForUserValue('core', 'enabled', 'false');
 		$users = array_combine(
@@ -342,6 +353,7 @@ class Manager extends PublicEmitter implements IUserManager {
 	 * @param int|null $offset
 	 * @return IUser[]
 	 */
+	#[\Override]
 	public function searchKnownUsersByDisplayName(string $searcher, string $pattern, ?int $limit = null, ?int $offset = null): array {
 		$users = [];
 		foreach ($this->backends as $backend) {
@@ -375,6 +387,7 @@ class Manager extends PublicEmitter implements IUserManager {
 	 * @throws \InvalidArgumentException
 	 * @throws HintException
 	 */
+	#[\Override]
 	public function createUser($uid, $password): IUser|false {
 		// DI injection is not used here as IRegistry needs the user manager itself for user count and thus it would create a cyclic dependency
 		/** @var IAssertion $assertion */
@@ -408,6 +421,7 @@ class Manager extends PublicEmitter implements IUserManager {
 	 * @param string $password
 	 * @throws \InvalidArgumentException
 	 */
+	#[\Override]
 	public function createUserFromBackend($uid, $password, UserInterface $backend): IUser|false {
 		$l = Util::getL10N('lib');
 
@@ -445,6 +459,7 @@ class Manager extends PublicEmitter implements IUserManager {
 	 *
 	 * @return array<string, int> an array of backend class as key and count number as value
 	 */
+	#[\Override]
 	public function countUsers(bool $onlyMappedUsers = false) {
 		$userCountStatistics = [];
 		foreach ($this->backends as $backend) {
@@ -472,6 +487,7 @@ class Manager extends PublicEmitter implements IUserManager {
 		return $userCountStatistics;
 	}
 
+	#[\Override]
 	public function countUsersTotal(int $limit = 0, bool $onlyMappedUsers = false): int|false {
 		$userCount = false;
 
@@ -536,6 +552,7 @@ class Manager extends PublicEmitter implements IUserManager {
 	 *                          in the preferences table will be affected
 	 * @since 9.0.0
 	 */
+	#[\Override]
 	public function callForAllUsers(\Closure $callback, $search = '', $onlySeen = false) {
 		if ($onlySeen) {
 			$this->callForSeenUsers($callback);
@@ -567,6 +584,7 @@ class Manager extends PublicEmitter implements IUserManager {
 	 * @return int
 	 * @since 12.0.0
 	 */
+	#[\Override]
 	public function countDisabledUsers(): int {
 		$queryBuilder = Server::get(IDBConnection::class)->getQueryBuilder();
 		$queryBuilder->select($queryBuilder->func()->count('*'))
@@ -595,6 +613,7 @@ class Manager extends PublicEmitter implements IUserManager {
 	 * @return int
 	 * @since 11.0.0
 	 */
+	#[\Override]
 	public function countSeenUsers() {
 		$queryBuilder = Server::get(IDBConnection::class)->getQueryBuilder();
 		$queryBuilder->select($queryBuilder->func()->count('*'))
@@ -610,6 +629,7 @@ class Manager extends PublicEmitter implements IUserManager {
 		return $result;
 	}
 
+	#[\Override]
 	public function callForSeenUsers(\Closure $callback) {
 		$users = $this->getSeenUsers();
 		foreach ($users as $user) {
@@ -672,6 +692,7 @@ class Manager extends PublicEmitter implements IUserManager {
 	 * @return IUser[]
 	 * @since 9.1.0
 	 */
+	#[\Override]
 	public function getByEmail($email): array {
 		$users = [];
 		$userConfig = $this->getUserConfig();
@@ -692,6 +713,7 @@ class Manager extends PublicEmitter implements IUserManager {
 	 * @throws \InvalidArgumentException Message is an already translated string with a reason why the id is not valid
 	 * @since 26.0.0
 	 */
+	#[\Override]
 	public function validateUserId(string $uid, bool $checkDataDirectory = false): void {
 		$l = Server::get(IFactory::class)->get('lib');
 
@@ -736,6 +758,7 @@ class Manager extends PublicEmitter implements IUserManager {
 	 * @param string $search search users based on search params
 	 * @return list<string> list of user IDs
 	 */
+	#[\Override]
 	public function getLastLoggedInUsers(?int $limit = null, int $offset = 0, string $search = ''): array {
 		// We can't load all users who already logged in
 		$limit = min(100, $limit ?: 25);
@@ -808,6 +831,7 @@ class Manager extends PublicEmitter implements IUserManager {
 		return $this->displayNameCache;
 	}
 
+	#[\Override]
 	public function getSeenUsers(int $offset = 0, ?int $limit = null): \Iterator {
 		$maxBatchSize = 1000;
 
@@ -834,6 +858,7 @@ class Manager extends PublicEmitter implements IUserManager {
 		} while (count($userIds) === $batchSize && $limit !== 0);
 	}
 
+	#[\Override]
 	public function getExistingUser(string $userId, ?string $displayName = null): IUser {
 		return new LazyUser($userId, $this, $displayName);
 	}
diff --git a/lib/private/User/OutOfOfficeData.php b/lib/private/User/OutOfOfficeData.php
index 0d4e142567e..0a778ea89c3 100644
--- a/lib/private/User/OutOfOfficeData.php
+++ b/lib/private/User/OutOfOfficeData.php
@@ -25,38 +25,47 @@ class OutOfOfficeData implements IOutOfOfficeData {
 	) {
 	}
 
+	#[\Override]
 	public function getId(): string {
 		return $this->id;
 	}
 
+	#[\Override]
 	public function getUser(): IUser {
 		return $this->user;
 	}
 
+	#[\Override]
 	public function getStartDate(): int {
 		return $this->startDate;
 	}
 
+	#[\Override]
 	public function getEndDate(): int {
 		return $this->endDate;
 	}
 
+	#[\Override]
 	public function getShortMessage(): string {
 		return $this->shortMessage;
 	}
 
+	#[\Override]
 	public function getMessage(): string {
 		return $this->message;
 	}
 
+	#[\Override]
 	public function getReplacementUserId(): ?string {
 		return $this->replacementUserId;
 	}
 
+	#[\Override]
 	public function getReplacementUserDisplayName(): ?string {
 		return $this->replacementUserDisplayName;
 	}
 
+	#[\Override]
 	public function jsonSerialize(): array {
 		return [
 			'id' => $this->getId(),
diff --git a/lib/private/User/PartiallyDeletedUsersBackend.php b/lib/private/User/PartiallyDeletedUsersBackend.php
index 298ddaff6c6..4a49261768f 100644
--- a/lib/private/User/PartiallyDeletedUsersBackend.php
+++ b/lib/private/User/PartiallyDeletedUsersBackend.php
@@ -22,23 +22,28 @@ class PartiallyDeletedUsersBackend extends Backend implements IGetHomeBackend, I
 	) {
 	}
 
+	#[\Override]
 	public function deleteUser($uid): bool {
 		// fake true, deleting failed users is automatically handled by User::delete()
 		return true;
 	}
 
+	#[\Override]
 	public function getBackendName(): string {
 		return 'deleted users';
 	}
 
+	#[\Override]
 	public function userExists($uid) {
 		return $this->config->getUserValue($uid, 'core', 'deleted') === 'true';
 	}
 
+	#[\Override]
 	public function getHome(string $uid): string|false {
 		return $this->config->getUserValue($uid, 'core', 'deleted.home-path') ?: false;
 	}
 
+	#[\Override]
 	public function getUsers($search = '', $limit = null, $offset = null) {
 		return $this->config->getUsersForUserValue('core', 'deleted', 'true');
 	}
diff --git a/lib/private/User/Session.php b/lib/private/User/Session.php
index 651d5e8f9c4..beba7778e50 100644
--- a/lib/private/User/Session.php
+++ b/lib/private/User/Session.php
@@ -98,6 +98,7 @@ class Session implements IUserSession, Emitter {
 	 * @param string $method
 	 * @param callable $callback
 	 */
+	#[\Override]
 	public function listen($scope, $method, callable $callback) {
 		$this->manager->listen($scope, $method, $callback);
 	}
@@ -107,6 +108,7 @@ class Session implements IUserSession, Emitter {
 	 * @param string $method optional
 	 * @param callable $callback optional
 	 */
+	#[\Override]
 	public function removeListener($scope = null, $method = null, ?callable $callback = null) {
 		$this->manager->removeListener($scope, $method, $callback);
 	}
@@ -147,6 +149,7 @@ class Session implements IUserSession, Emitter {
 	 *
 	 * @param IUser|null $user
 	 */
+	#[\Override]
 	public function setUser($user) {
 		if (is_null($user)) {
 			$this->session->remove('user_id');
@@ -161,6 +164,7 @@ class Session implements IUserSession, Emitter {
 	 *
 	 * @param IUser|null $user
 	 */
+	#[\Override]
 	public function setVolatileActiveUser(?IUser $user): void {
 		$this->activeUser = $user;
 	}
@@ -170,6 +174,7 @@ class Session implements IUserSession, Emitter {
 	 *
 	 * @return IUser|null Current user, otherwise null
 	 */
+	#[\Override]
 	public function getUser() {
 		// FIXME: This is a quick'n dirty work-around for the incognito mode as
 		// described at https://github.com/owncloud/core/pull/12912#issuecomment-67391155
@@ -221,6 +226,7 @@ class Session implements IUserSession, Emitter {
 	 *
 	 * @return bool if logged in
 	 */
+	#[\Override]
 	public function isLoggedIn() {
 		$user = $this->getUser();
 		if (is_null($user)) {
@@ -265,10 +271,12 @@ class Session implements IUserSession, Emitter {
 	/**
 	 * @return null|string
 	 */
+	#[\Override]
 	public function getImpersonatingUserID(): ?string {
 		return $this->session->get('oldUserId');
 	}
 
+	#[\Override]
 	public function setImpersonatingUserID(bool $useCurrentUser = true): void {
 		if ($useCurrentUser === false) {
 			$this->session->remove('oldUserId');
@@ -303,6 +311,7 @@ class Session implements IUserSession, Emitter {
 	 * @return boolean|null
 	 * @throws LoginException
 	 */
+	#[\Override]
 	public function login($uid, $password) {
 		$this->session->regenerateId();
 		if ($this->validateToken($password, $uid)) {
@@ -962,6 +971,7 @@ class Session implements IUserSession, Emitter {
 	/**
 	 * logout the user from the session
 	 */
+	#[\Override]
 	public function logout() {
 		$user = $this->getUser();
 		$this->manager->emit('\OC\User', 'logout', [$user]);
diff --git a/lib/private/User/User.php b/lib/private/User/User.php
index 8de3486a9b9..6b83d1a7fc7 100644
--- a/lib/private/User/User.php
+++ b/lib/private/User/User.php
@@ -74,6 +74,7 @@ class User implements IUser {
 		$this->urlGenerator = $urlGenerator ?? Server::get(IURLGenerator::class);
 	}
 
+	#[\Override]
 	public function getUID(): string {
 		return $this->uid;
 	}
@@ -81,6 +82,7 @@ class User implements IUser {
 	/**
 	 * Get the display name for the user, if no specific display name is set it will fallback to the user id
 	 */
+	#[\Override]
 	public function getDisplayName(): string {
 		if ($this->displayName === null) {
 			$displayName = '';
@@ -109,6 +111,7 @@ class User implements IUser {
 	 * @since 25.0.0 Throw InvalidArgumentException
 	 * @throws \InvalidArgumentException
 	 */
+	#[\Override]
 	public function setDisplayName($displayName): bool {
 		$displayName = trim($displayName);
 		$oldDisplayName = $this->getDisplayName();
@@ -128,6 +131,7 @@ class User implements IUser {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function setEMailAddress($mailAddress): void {
 		$this->setSystemEMailAddress($mailAddress);
 	}
@@ -135,6 +139,7 @@ class User implements IUser {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function setSystemEMailAddress(string $mailAddress): void {
 		$oldMailAddress = $this->getSystemEMailAddress();
 		$mailAddress = mb_strtolower(trim($mailAddress));
@@ -159,6 +164,7 @@ class User implements IUser {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function setPrimaryEMailAddress(string $mailAddress): void {
 		$mailAddress = mb_strtolower(trim($mailAddress));
 		if ($mailAddress === '') {
@@ -187,6 +193,7 @@ class User implements IUser {
 	 * returns the timestamp of the user's last login or 0 if the user did never
 	 * login
 	 */
+	#[\Override]
 	public function getLastLogin(): int {
 		if ($this->lastLogin === null) {
 			$this->lastLogin = (int)$this->config->getUserValue($this->uid, 'login', 'lastLogin', 0);
@@ -198,6 +205,7 @@ class User implements IUser {
 	 * returns the timestamp of the user's last login or 0 if the user did never
 	 * login
 	 */
+	#[\Override]
 	public function getFirstLogin(): int {
 		if ($this->firstLogin === null) {
 			$this->firstLogin = (int)$this->config->getUserValue($this->uid, 'login', 'firstLogin', 0);
@@ -208,6 +216,7 @@ class User implements IUser {
 	/**
 	 * updates the timestamp of the most recent login of this user
 	 */
+	#[\Override]
 	public function updateLastLoginTimestamp(): bool {
 		$previousLogin = $this->getLastLogin();
 		$firstLogin = $this->getFirstLogin();
@@ -235,6 +244,7 @@ class User implements IUser {
 	/**
 	 * Delete the user
 	 */
+	#[\Override]
 	public function delete(): bool {
 		if ($this->backend === null) {
 			Server::get(LoggerInterface::class)->error('Cannot delete user: No backend set');
@@ -323,6 +333,7 @@ class User implements IUser {
 	 * @param string $password
 	 * @param string $recoveryPassword for the encryption app to reset encryption keys
 	 */
+	#[\Override]
 	public function setPassword($password, $recoveryPassword = null): bool {
 		$this->dispatcher->dispatchTyped(new BeforePasswordUpdatedEvent($this, $password, $recoveryPassword));
 		if ($this->emitter) {
@@ -346,6 +357,7 @@ class User implements IUser {
 		}
 	}
 
+	#[\Override]
 	public function getPasswordHash(): ?string {
 		if (!($this->backend instanceof IPasswordHashBackend)) {
 			return null;
@@ -353,6 +365,7 @@ class User implements IUser {
 		return $this->backend->getPasswordHash($this->uid);
 	}
 
+	#[\Override]
 	public function setPasswordHash(string $passwordHash): bool {
 		if (!($this->backend instanceof IPasswordHashBackend)) {
 			return false;
@@ -363,6 +376,7 @@ class User implements IUser {
 	/**
 	 * Get the users home folder to mount
 	 */
+	#[\Override]
 	public function getHome(): string {
 		if (!$this->home) {
 			/** @psalm-suppress UndefinedInterfaceMethod Once we get rid of the legacy implementsActions, psalm won't complain anymore */
@@ -378,6 +392,7 @@ class User implements IUser {
 	/**
 	 * Get the name of the backend class the user is connected with
 	 */
+	#[\Override]
 	public function getBackendClassName(): string {
 		if ($this->backend instanceof IUserBackend) {
 			return $this->backend->getBackendName();
@@ -385,22 +400,27 @@ class User implements IUser {
 		return get_class($this->backend);
 	}
 
+	#[\Override]
 	public function getBackend(): ?UserInterface {
 		return $this->backend;
 	}
 
+	#[\Override]
 	public function canChangeAvatar(): bool {
 		return $this->canEditProperty(IAccountManager::PROPERTY_AVATAR);
 	}
 
+	#[\Override]
 	public function canChangePassword(): bool {
 		return $this->backend->implementsActions(Backend::SET_PASSWORD);
 	}
 
+	#[\Override]
 	public function canChangeDisplayName(): bool {
 		return $this->canEditProperty(IAccountManager::PROPERTY_DISPLAYNAME);
 	}
 
+	#[\Override]
 	public function canChangeEmail(): bool {
 		return $this->canEditProperty(IAccountManager::PROPERTY_EMAIL);
 	}
@@ -408,6 +428,7 @@ class User implements IUser {
 	/**
 	 * @param IAccountManager::PROPERTY_*|IAccountManager::COLLECTION_* $property
 	 */
+	#[\Override]
 	public function canEditProperty(string $property): bool {
 		if ($this->backend instanceof IPropertyPermissionBackend) {
 			$permission = $this->backend->canEditProperty($this->uid, $property);
@@ -438,6 +459,7 @@ class User implements IUser {
 	/**
 	 * Check if the user is enabled
 	 */
+	#[\Override]
 	public function isEnabled(): bool {
 		$queryDatabaseValue = function (): bool {
 			if ($this->enabled === null) {
@@ -458,6 +480,7 @@ class User implements IUser {
 	 *
 	 * @return void
 	 */
+	#[\Override]
 	public function setEnabled(bool $enabled = true) {
 		$oldStatus = $this->isEnabled();
 		$setDatabaseValue = function (bool $enabled): void {
@@ -487,6 +510,7 @@ class User implements IUser {
 	 *
 	 * @since 9.0.0
 	 */
+	#[\Override]
 	public function getEMailAddress(): ?string {
 		return $this->getPrimaryEMailAddress() ?? $this->getSystemEMailAddress();
 	}
@@ -494,6 +518,7 @@ class User implements IUser {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function getSystemEMailAddress(): ?string {
 		$email = $this->config->getUserValue($this->uid, 'settings', 'email', null);
 		return $email ? mb_strtolower(trim($email)) : null;
@@ -502,6 +527,7 @@ class User implements IUser {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function getPrimaryEMailAddress(): ?string {
 		$email = $this->config->getUserValue($this->uid, 'settings', 'primary_email', null);
 		return $email ? mb_strtolower(trim($email)) : null;
@@ -512,6 +538,7 @@ class User implements IUser {
 	 *
 	 * @since 9.0.0
 	 */
+	#[\Override]
 	public function getQuota(): string {
 		// allow apps to modify the user quota by hooking into the event
 		$event = new GetQuotaEvent($this);
@@ -540,6 +567,7 @@ class User implements IUser {
 		return $quota;
 	}
 
+	#[\Override]
 	public function getQuotaBytes(): int|float {
 		$quota = $this->getQuota();
 		if ($quota === 'none') {
@@ -560,6 +588,7 @@ class User implements IUser {
 	 * @throws InvalidArgumentException
 	 * @since 9.0.0
 	 */
+	#[\Override]
 	public function setQuota($quota): void {
 		$oldQuota = $this->config->getUserValue($this->uid, 'files', 'quota', '');
 		if ($quota !== 'none' && $quota !== 'default') {
@@ -576,6 +605,7 @@ class User implements IUser {
 		\OC_Helper::clearStorageInfo('/' . $this->uid . '/files');
 	}
 
+	#[\Override]
 	public function getManagerUids(): array {
 		$encodedUids = $this->config->getUserValue(
 			$this->uid,
@@ -586,6 +616,7 @@ class User implements IUser {
 		return json_decode($encodedUids, false, 512, JSON_THROW_ON_ERROR);
 	}
 
+	#[\Override]
 	public function setManagerUids(array $uids): void {
 		$oldUids = $this->getManagerUids();
 		$this->config->setUserValue(
@@ -603,6 +634,7 @@ class User implements IUser {
 	 * @param int $size
 	 * @since 9.0.0
 	 */
+	#[\Override]
 	public function getAvatarImage($size): ?IImage {
 		// delay the initialization
 		if (is_null($this->avatarManager)) {
@@ -623,6 +655,7 @@ class User implements IUser {
 	 *
 	 * @since 9.0.0
 	 */
+	#[\Override]
 	public function getCloudId(): string {
 		$uid = $this->getUID();
 		$server = rtrim($this->urlGenerator->getAbsoluteURL('/'), '/');
diff --git a/lib/private/UserStatus/Manager.php b/lib/private/UserStatus/Manager.php
index 4cfd1c18e79..abd5440e738 100644
--- a/lib/private/UserStatus/Manager.php
+++ b/lib/private/UserStatus/Manager.php
@@ -28,6 +28,7 @@ class Manager implements IManager {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function getUserStatuses(array $userIds): array {
 		$this->setupProvider();
 		if (!$this->provider) {
@@ -73,6 +74,7 @@ class Manager implements IManager {
 		$this->provider = $provider;
 	}
 
+	#[\Override]
 	public function setUserStatus(string $userId, string $messageId, string $status, bool $createBackup = false, ?string $customMessage = null): void {
 		$this->setupProvider();
 		if (!$this->provider instanceof ISettableProvider) {
@@ -82,6 +84,7 @@ class Manager implements IManager {
 		$this->provider->setUserStatus($userId, $messageId, $status, $createBackup, $customMessage);
 	}
 
+	#[\Override]
 	public function revertUserStatus(string $userId, string $messageId, string $status): void {
 		$this->setupProvider();
 		if (!$this->provider instanceof ISettableProvider) {
@@ -90,6 +93,7 @@ class Manager implements IManager {
 		$this->provider->revertUserStatus($userId, $messageId, $status);
 	}
 
+	#[\Override]
 	public function revertMultipleUserStatus(array $userIds, string $messageId, string $status): void {
 		$this->setupProvider();
 		if (!$this->provider instanceof ISettableProvider) {