Merge pull request #59985 from nextcloud/chore/psalm-v6

chore: update psalm to v6

apps/admin_audit/lib/AppInfo/Application.php

@@ -79,6 +79,7 @@ class Application extends App implements IBootstrap {
 		parent::__construct('admin_audit');
 	}
 
+	#[\Override]
 	public function register(IRegistrationContext $context): void {
 		$context->registerService(IAuditLogger::class, function (ContainerInterface $c) {
 			return new AuditLogger($c->get(ILogFactory::class), $c->get(IConfig::class));
@@ -132,6 +133,7 @@ class Application extends App implements IBootstrap {
 		$context->registerEventListener(CacheEntryRemovedEvent::class, CacheEventListener::class);
 	}
 
+	#[\Override]
 	public function boot(IBootContext $context): void {
 		/** @var IAuditLogger $logger */
 		$logger = $context->getAppContainer()->get(IAuditLogger::class);

apps/admin_audit/lib/AuditLogger.php

@@ -35,38 +35,47 @@ class AuditLogger implements IAuditLogger {
 		$this->parentLogger = $logFactory->getCustomPsrLogger($logFile, $auditType, $auditTag);
 	}
 
+	#[\Override]
 	public function emergency($message, array $context = []): void {
 		$this->parentLogger->emergency($message, $context);
 	}
 
+	#[\Override]
 	public function alert($message, array $context = []): void {
 		$this->parentLogger->alert($message, $context);
 	}
 
+	#[\Override]
 	public function critical($message, array $context = []): void {
 		$this->parentLogger->critical($message, $context);
 	}
 
+	#[\Override]
 	public function error($message, array $context = []): void {
 		$this->parentLogger->error($message, $context);
 	}
 
+	#[\Override]
 	public function warning($message, array $context = []): void {
 		$this->parentLogger->warning($message, $context);
 	}
 
+	#[\Override]
 	public function notice($message, array $context = []): void {
 		$this->parentLogger->notice($message, $context);
 	}
 
+	#[\Override]
 	public function info($message, array $context = []): void {
 		$this->parentLogger->info($message, $context);
 	}
 
+	#[\Override]
 	public function debug($message, array $context = []): void {
 		$this->parentLogger->debug($message, $context);
 	}
 
+	#[\Override]
 	public function log($level, $message, array $context = []): void {
 		$this->parentLogger->log($level, $message, $context);
 	}

apps/admin_audit/lib/BackgroundJobs/Rotate.php

@@ -24,6 +24,7 @@ class Rotate extends TimedJob {
 		$this->setInterval(60 * 60 * 3);
 	}
 
+	#[\Override]
 	protected function run($argument): void {
 		$default = $this->config->getSystemValue('datadirectory', \OC::$SERVERROOT . '/data') . '/audit.log';
 		$this->filePath = $this->config->getAppValue('admin_audit', 'logfile', $default);

apps/admin_audit/lib/Listener/AppManagementEventListener.php

@@ -20,6 +20,7 @@ use OCP\EventDispatcher\IEventListener;
  * @template-implements IEventListener<AppEnableEvent|AppDisableEvent|AppUpdateEvent>
  */
 class AppManagementEventListener extends Action implements IEventListener {
+	#[\Override]
 	public function handle(Event $event): void {
 		if ($event instanceof AppEnableEvent) {
 			$this->appEnable($event);

apps/admin_audit/lib/Listener/AuthEventListener.php

@@ -22,6 +22,7 @@ use OCP\User\Events\UserLoggedInWithCookieEvent;
  * @template-implements IEventListener<BeforeUserLoggedInEvent|UserLoggedInWithCookieEvent|UserLoggedInEvent|BeforeUserLoggedOutEvent|AnyLoginFailedEvent>
  */
 class AuthEventListener extends Action implements IEventListener {
+	#[\Override]
 	public function handle(Event $event): void {
 		if ($event instanceof BeforeUserLoggedInEvent) {
 			$this->beforeUserLoggedIn($event);

apps/admin_audit/lib/Listener/CacheEventListener.php

@@ -19,6 +19,7 @@ use OCP\Files\Cache\CacheEntryRemovedEvent;
  * @template-implements IEventListener<CacheEntryInsertedEvent|CacheEntryRemovedEvent>
  */
 class CacheEventListener extends Action implements IEventListener {
+	#[\Override]
 	public function handle(Event $event): void {
 		if ($event instanceof CacheEntryInsertedEvent) {
 			$this->entryInserted($event);

apps/admin_audit/lib/Listener/ConsoleEventListener.php

@@ -18,6 +18,7 @@ use OCP\EventDispatcher\IEventListener;
  * @template-implements IEventListener<ConsoleEvent>
  */
 class ConsoleEventListener extends Action implements IEventListener {
+	#[\Override]
 	public function handle(Event $event): void {
 		if ($event instanceof ConsoleEvent) {
 			$this->runCommand($event);

apps/admin_audit/lib/Listener/CriticalActionPerformedEventListener.php

@@ -16,6 +16,7 @@ use OCP\Log\Audit\CriticalActionPerformedEvent;
 
 /** @template-implements IEventListener<CriticalActionPerformedEvent> */
 class CriticalActionPerformedEventListener extends Action implements IEventListener {
+	#[\Override]
 	public function handle(Event $event): void {
 		if (!($event instanceof CriticalActionPerformedEvent)) {
 			return;

apps/admin_audit/lib/Listener/FileEventListener.php

@@ -23,6 +23,7 @@ use Psr\Log\LoggerInterface;
  * @template-implements IEventListener<BeforePreviewFetchedEvent|VersionRestoredEvent>
  */
 class FileEventListener extends Action implements IEventListener {
+	#[\Override]
 	public function handle(Event $event): void {
 		if ($event instanceof BeforePreviewFetchedEvent) {
 			$this->beforePreviewFetched($event);

apps/admin_audit/lib/Listener/GroupManagementEventListener.php

@@ -21,6 +21,7 @@ use OCP\Group\Events\UserRemovedEvent;
  * @template-implements IEventListener<UserAddedEvent|UserRemovedEvent|GroupCreatedEvent|GroupDeletedEvent>
  */
 class GroupManagementEventListener extends Action implements IEventListener {
+	#[\Override]
 	public function handle(Event $event): void {
 		if ($event instanceof UserAddedEvent) {
 			$this->userAdded($event);

apps/admin_audit/lib/Listener/SecurityEventListener.php

@@ -19,6 +19,7 @@ use OCP\EventDispatcher\IEventListener;
  * @template-implements IEventListener<TwoFactorProviderChallengePassed|TwoFactorProviderChallengeFailed>
  */
 class SecurityEventListener extends Action implements IEventListener {
+	#[\Override]
 	public function handle(Event $event): void {
 		if ($event instanceof TwoFactorProviderChallengePassed) {
 			$this->twoFactorProviderChallengePassed($event);

apps/admin_audit/lib/Listener/SharingEventListener.php

@@ -20,6 +20,7 @@ use OCP\Share\IShare;
  * @template-implements IEventListener<ShareCreatedEvent|ShareDeletedEvent>
  */
 class SharingEventListener extends Action implements IEventListener {
+	#[\Override]
 	public function handle(Event $event): void {
 		if ($event instanceof ShareCreatedEvent) {
 			$this->shareCreated($event);

apps/admin_audit/lib/Listener/UserManagementEventListener.php

@@ -23,6 +23,7 @@ use OCP\User\Events\UserIdUnassignedEvent;
  * @template-implements IEventListener<UserCreatedEvent|UserDeletedEvent|UserChangedEvent|PasswordUpdatedEvent|UserIdAssignedEvent|UserIdUnassignedEvent>
  */
 class UserManagementEventListener extends Action implements IEventListener {
+	#[\Override]
 	public function handle(Event $event): void {
 		if ($event instanceof UserCreatedEvent) {
 			$this->userCreated($event);

apps/cloud_federation_api/lib/AppInfo/Application.php

@@ -21,10 +21,12 @@ class Application extends App implements IBootstrap {
 		parent::__construct(self::APP_ID);
 	}
 
+	#[\Override]
 	public function register(IRegistrationContext $context): void {
 		$context->registerCapability(Capabilities::class);
 	}
 
+	#[\Override]
 	public function boot(IBootContext $context): void {
 	}
 }

apps/cloud_federation_api/lib/Capabilities.php

@@ -26,6 +26,7 @@ class Capabilities implements ICapability, IInitialStateExcludedCapability {
 	 * @return array<string, array<string, mixed>>
 	 * @throws OCMArgumentException
 	 */
+	#[\Override]
 	public function getCapabilities() {
 		$provider = $this->ocmDiscoveryService->getLocalOCMProvider(false);
 		return ['ocm' => $provider->jsonSerialize()];

apps/cloud_federation_api/lib/Migration/Version1016Date202502262004.php

@@ -24,6 +24,7 @@ class Version1016Date202502262004 extends SimpleMigrationStep {
 	 * @param array $options
 	 * @return null|ISchemaWrapper
 	 */
+	#[\Override]
 	public function changeSchema(IOutput $output, Closure $schemaClosure, array $options) {
 		/** @var ISchemaWrapper $schema */
 		$schema = $schemaClosure();

apps/comments/lib/Activity/Filter.php

@@ -19,18 +19,22 @@ class Filter implements IFilter {
 	) {
 	}
 
+	#[\Override]
 	public function getIdentifier(): string {
 		return 'comments';
 	}
 
+	#[\Override]
 	public function getName(): string {
 		return $this->l->t('Comments');
 	}
 
+	#[\Override]
 	public function getPriority(): int {
 		return 40;
 	}
 
+	#[\Override]
 	public function getIcon(): string {
 		return $this->url->getAbsoluteURL($this->url->imagePath('core', 'actions/comment.svg'));
 	}
@@ -39,6 +43,7 @@ class Filter implements IFilter {
 	 * @param string[] $types
 	 * @return string[] An array of allowed apps from which activities should be displayed
 	 */
+	#[\Override]
 	public function filterTypes(array $types): array {
 		return $types;
 	}
@@ -46,6 +51,7 @@ class Filter implements IFilter {
 	/**
 	 * @return string[] An array of allowed apps from which activities should be displayed
 	 */
+	#[\Override]
 	public function allowedApps(): array {
 		return ['comments'];
 	}

apps/comments/lib/Activity/Provider.php

@@ -35,6 +35,7 @@ class Provider implements IProvider {
 	 * @throws UnknownActivityException
 	 * @since 11.0.0
 	 */
+	#[\Override]
 	public function parse($language, IEvent $event, ?IEvent $previousEvent = null): IEvent {
 		if ($event->getApp() !== 'comments') {
 			throw new UnknownActivityException();

apps/comments/lib/Activity/Setting.php

@@ -17,38 +17,47 @@ class Setting extends ActivitySettings {
 	) {
 	}
 
+	#[\Override]
 	public function getIdentifier(): string {
 		return 'comments';
 	}
 
+	#[\Override]
 	public function getName(): string {
 		return $this->l->t('<strong>Comments</strong> for files');
 	}
 
+	#[\Override]
 	public function getGroupIdentifier(): string {
 		return 'files';
 	}
 
+	#[\Override]
 	public function getGroupName(): string {
 		return $this->l->t('Files');
 	}
 
+	#[\Override]
 	public function getPriority(): int {
 		return 50;
 	}
 
+	#[\Override]
 	public function canChangeStream(): bool {
 		return true;
 	}
 
+	#[\Override]
 	public function isDefaultEnabledStream(): bool {
 		return true;
 	}
 
+	#[\Override]
 	public function canChangeMail(): bool {
 		return true;
 	}
 
+	#[\Override]
 	public function isDefaultEnabledMail(): bool {
 		return false;
 	}

apps/comments/lib/AppInfo/Application.php

@@ -32,6 +32,7 @@ class Application extends App implements IBootstrap {
 		parent::__construct(self::APP_ID, $urlParams);
 	}
 
+	#[\Override]
 	public function register(IRegistrationContext $context): void {
 		$context->registerCapability(Capabilities::class);
 
@@ -59,6 +60,7 @@ class Application extends App implements IBootstrap {
 		$context->registerNotifierService(Notifier::class);
 	}
 
+	#[\Override]
 	public function boot(IBootContext $context): void {
 	}
 }

apps/comments/lib/Capabilities.php

@@ -14,6 +14,7 @@ class Capabilities implements ICapability {
 	/**
 	 * @return array{files: array{comments: bool}}
 	 */
+	#[\Override]
 	public function getCapabilities(): array {
 		return [
 			'files' => [

apps/comments/lib/Collaboration/CommentersSorter.php

@@ -15,6 +15,7 @@ class CommentersSorter implements ISorter {
 	) {
 	}
 
+	#[\Override]
 	public function getId(): string {
 		return 'commenters';
 	}
@@ -26,6 +27,7 @@ class CommentersSorter implements ISorter {
 	 * @param array &$sortArray
 	 * @param array $context
 	 */
+	#[\Override]
 	public function sort(array &$sortArray, array $context): void {
 		if (!isset($context['itemType'], $context['itemId'])) {
 			return;

apps/comments/lib/Listener/CommentsEntityEventListener.php

@@ -21,6 +21,7 @@ class CommentsEntityEventListener implements IEventListener {
 	) {
 	}
 
+	#[\Override]
 	public function handle(Event $event): void {
 		if (!($event instanceof CommentsEntityEvent)) {
 			// Unrelated

apps/comments/lib/Listener/CommentsEventListener.php

@@ -24,6 +24,7 @@ class CommentsEventListener implements IEventListener {
 	) {
 	}
 
+	#[\Override]
 	public function handle(Event $event): void {
 		if (!$event instanceof CommentsEvent) {
 			return;

apps/comments/lib/Listener/LoadAdditionalScripts.php

@@ -16,6 +16,7 @@ use OCP\Util;
 
 /** @template-implements IEventListener<LoadAdditionalScriptsEvent> */
 class LoadAdditionalScripts implements IEventListener {
+	#[\Override]
 	public function handle(Event $event): void {
 		if (!($event instanceof LoadAdditionalScriptsEvent)) {
 			return;

apps/comments/lib/Listener/LoadSidebarScripts.php

@@ -26,6 +26,7 @@ class LoadSidebarScripts implements IEventListener {
 	) {
 	}
 
+	#[\Override]
 	public function handle(Event $event): void {
 		if (!($event instanceof LoadSidebar)) {
 			return;

apps/comments/lib/MaxAutoCompleteResultsInitialState.php

@@ -17,10 +17,12 @@ class MaxAutoCompleteResultsInitialState extends InitialStateProvider {
 	) {
 	}
 
+	#[\Override]
 	public function getKey(): string {
 		return 'maxAutoCompleteResults';
 	}
 
+	#[\Override]
 	public function getData(): int {
 		return (int)$this->config->getAppValue('comments', 'maxAutoCompleteResults', '10');
 	}

apps/comments/lib/Notification/Notifier.php

@@ -35,6 +35,7 @@ class Notifier implements INotifier {
 	 * @return string
 	 * @since 17.0.0
 	 */
+	#[\Override]
 	public function getID(): string {
 		return 'comments';
 	}
@@ -45,6 +46,7 @@ class Notifier implements INotifier {
 	 * @return string
 	 * @since 17.0.0
 	 */
+	#[\Override]
 	public function getName(): string {
 		return $this->l10nFactory->get('comments')->t('Comments');
 	}
@@ -57,6 +59,7 @@ class Notifier implements INotifier {
 	 * @throws AlreadyProcessedException When the notification is not needed anymore and should be deleted
 	 * @since 9.0.0
 	 */
+	#[\Override]
 	public function prepare(INotification $notification, string $languageCode): INotification {
 		if ($notification->getApp() !== 'comments') {
 			throw new UnknownNotificationException();

apps/comments/lib/Search/CommentsSearchProvider.php

@@ -34,14 +34,17 @@ class CommentsSearchProvider implements IProvider {
 	) {
 	}
 
+	#[\Override]
 	public function getId(): string {
 		return 'comments';
 	}
 
+	#[\Override]
 	public function getName(): string {
 		return $this->l10n->t('Comments');
 	}
 
+	#[\Override]
 	public function getOrder(string $route, array $routeParameters): int {
 		if ($route === 'files.View.index') {
 			// Files first
@@ -50,6 +53,7 @@ class CommentsSearchProvider implements IProvider {
 		return 10;
 	}
 
+	#[\Override]
 	public function search(IUser $user, ISearchQuery $query): SearchResult {
 		$userFolder = $this->rootFolder->getUserFolder($user->getUID());
 

apps/contactsinteraction/lib/AddressBook.php

@@ -38,6 +38,7 @@ class AddressBook extends ExternalAddressBook implements IACL {
 	 * @inheritDoc
 	 * @throws Exception
 	 */
+	#[\Override]
 	public function delete(): void {
 		throw new Exception('This addressbook is immutable');
 	}
@@ -46,6 +47,7 @@ class AddressBook extends ExternalAddressBook implements IACL {
 	 * @inheritDoc
 	 * @throws Exception
 	 */
+	#[\Override]
 	public function createFile($name, $data = null) {
 		throw new Exception('This addressbook is immutable');
 	}
@@ -54,6 +56,7 @@ class AddressBook extends ExternalAddressBook implements IACL {
 	 * @inheritDoc
 	 * @throws NotFound
 	 */
+	#[\Override]
 	public function getChild($name): Card {
 		try {
 			return new Card(
@@ -72,6 +75,7 @@ class AddressBook extends ExternalAddressBook implements IACL {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function getChildren(): array {
 		return array_map(
 			function (RecentContact $contact) {
@@ -88,6 +92,7 @@ class AddressBook extends ExternalAddressBook implements IACL {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function childExists($name): bool {
 		try {
 			$this->mapper->find(
@@ -103,6 +108,7 @@ class AddressBook extends ExternalAddressBook implements IACL {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function getLastModified(): ?int {
 		return $this->mapper->findLastUpdatedForUserId($this->getUid());
 	}
@@ -111,6 +117,7 @@ class AddressBook extends ExternalAddressBook implements IACL {
 	 * @inheritDoc
 	 * @throws Exception
 	 */
+	#[\Override]
 	public function propPatch(PropPatch $propPatch) {
 		throw new Exception('This addressbook is immutable');
 	}
@@ -118,6 +125,7 @@ class AddressBook extends ExternalAddressBook implements IACL {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function getProperties($properties): array {
 		return [
 			'principaluri' => $this->principalUri,
@@ -127,6 +135,7 @@ class AddressBook extends ExternalAddressBook implements IACL {
 		];
 	}
 
+	#[\Override]
 	public function getOwner(): string {
 		return $this->principalUri;
 	}
@@ -134,6 +143,7 @@ class AddressBook extends ExternalAddressBook implements IACL {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function getACL(): array {
 		return [
 			[

apps/contactsinteraction/lib/AddressBookProvider.php

@@ -25,6 +25,7 @@ class AddressBookProvider implements IAddressBookProvider {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function getAppId(): string {
 		return Application::APP_ID;
 	}
@@ -32,6 +33,7 @@ class AddressBookProvider implements IAddressBookProvider {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function fetchAllForAddressBookHome(string $principalUri): array {
 		return [
 			new AddressBook($this->mapper, $this->l10n, $principalUri)
@@ -41,6 +43,7 @@ class AddressBookProvider implements IAddressBookProvider {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function hasAddressBookInAddressBookHome(string $principalUri, string $uri): bool {
 		return $uri === AddressBook::URI;
 	}
@@ -48,6 +51,7 @@ class AddressBookProvider implements IAddressBookProvider {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function getAddressBookInAddressBookHome(string $principalUri, string $uri): ?ExternalAddressBook {
 		if ($uri === AddressBook::URI) {
 			return new AddressBook($this->mapper, $this->l10n, $principalUri);

apps/contactsinteraction/lib/AppInfo/Application.php

@@ -24,11 +24,13 @@ class Application extends App implements IBootstrap {
 		parent::__construct(self::APP_ID);
 	}
 
+	#[\Override]
 	public function register(IRegistrationContext $context): void {
 		$context->registerEventListener(ContactInteractedWithEvent::class, ContactInteractionListener::class);
 		$context->registerEventListener(UserDeletedEvent::class, UserDeletedListener::class);
 	}
 
+	#[\Override]
 	public function boot(IBootContext $context): void {
 	}
 }

apps/contactsinteraction/lib/BackgroundJob/CleanupJob.php

@@ -25,6 +25,7 @@ class CleanupJob extends TimedJob {
 
 	}
 
+	#[\Override]
 	protected function run(mixed $argument): void {
 		$time = $this->time->getDateTime();
 		$time->modify('-7days');

apps/contactsinteraction/lib/Card.php

@@ -28,6 +28,7 @@ class Card implements ICard, IACL {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function getOwner(): ?string {
 		return $this->principal;
 	}
@@ -35,6 +36,7 @@ class Card implements ICard, IACL {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function getACL(): array {
 		return [
 			[
@@ -55,6 +57,7 @@ class Card implements ICard, IACL {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function put($data): ?string {
 		throw new NotImplemented();
 	}
@@ -62,6 +65,7 @@ class Card implements ICard, IACL {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function get(): string {
 		return $this->contact->getCard();
 	}
@@ -69,6 +73,7 @@ class Card implements ICard, IACL {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function getContentType(): ?string {
 		return 'text/vcard; charset=utf-8';
 	}
@@ -76,6 +81,7 @@ class Card implements ICard, IACL {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function getETag(): ?string {
 		return '"' . md5((string)$this->getLastModified()) . '"';
 	}
@@ -83,6 +89,7 @@ class Card implements ICard, IACL {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function getSize(): int {
 		return strlen($this->contact->getCard());
 	}
@@ -90,6 +97,7 @@ class Card implements ICard, IACL {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function delete(): void {
 		$this->mapper->delete($this->contact);
 	}
@@ -97,6 +105,7 @@ class Card implements ICard, IACL {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function getName(): string {
 		return (string)$this->contact->getId();
 	}
@@ -104,6 +113,7 @@ class Card implements ICard, IACL {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function setName($name): void {
 		throw new NotImplemented();
 	}
@@ -111,6 +121,7 @@ class Card implements ICard, IACL {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function getLastModified(): ?int {
 		return $this->contact->getLastContact();
 	}

apps/contactsinteraction/lib/Listeners/ContactInteractionListener.php

@@ -39,6 +39,7 @@ class ContactInteractionListener implements IEventListener {
 	) {
 	}
 
+	#[\Override]
 	public function handle(Event $event): void {
 		if (!($event instanceof ContactInteractedWithEvent)) {
 			return;

apps/contactsinteraction/lib/Migration/FixVcardCategory.php

@@ -28,10 +28,12 @@ class FixVcardCategory implements IRepairStep {
 	) {
 	}
 
+	#[\Override]
 	public function getName(): string {
 		return 'Fix category of recent contacts vcards';
 	}
 
+	#[\Override]
 	public function run(IOutput $output): void {
 		$query = $this->connection->getQueryBuilder();
 

apps/contactsinteraction/lib/Migration/Version010000Date20200304152605.php

@@ -23,6 +23,7 @@ class Version010000Date20200304152605 extends SimpleMigrationStep {
 	 *
 	 * @return ISchemaWrapper
 	 */
+	#[\Override]
 	public function changeSchema(IOutput $output, Closure $schemaClosure, array $options): ISchemaWrapper {
 		/** @var ISchemaWrapper $schema */
 		$schema = $schemaClosure();

apps/dav/lib/AppInfo/Application.php

@@ -118,6 +118,7 @@ class Application extends App implements IBootstrap {
 		parent::__construct(self::APP_ID);
 	}
 
+	#[\Override]
 	public function register(IRegistrationContext $context): void {
 		$context->registerServiceAlias('CardDAVSyncService', SyncService::class);
 		$context->registerService(AppCalendarPlugin::class, function (ContainerInterface $c) {
@@ -235,6 +236,7 @@ class Application extends App implements IBootstrap {
 		$context->registerConfigLexicon(ConfigLexicon::class);
 	}
 
+	#[\Override]
 	public function boot(IBootContext $context): void {
 		// Load all dav apps
 		$context->getServerContainer()->get(IAppManager::class)->loadApps(['dav']);

apps/dav/lib/Avatars/AvatarHome.php

@@ -28,14 +28,17 @@ class AvatarHome implements ICollection {
 	) {
 	}
 
+	#[\Override]
 	public function createFile($name, $data = null) {
 		throw new Forbidden('Permission denied to create a file');
 	}
 
+	#[\Override]
 	public function createDirectory($name) {
 		throw new Forbidden('Permission denied to create a folder');
 	}
 
+	#[\Override]
 	public function getChild($name) {
 		$elements = pathinfo($name);
 		$ext = $elements['extension'] ?? '';
@@ -53,6 +56,7 @@ class AvatarHome implements ICollection {
 		return new AvatarNode($size, $ext, $avatar);
 	}
 
+	#[\Override]
 	public function getChildren() {
 		try {
 			return [
@@ -63,6 +67,7 @@ class AvatarHome implements ICollection {
 		}
 	}
 
+	#[\Override]
 	public function childExists($name) {
 		try {
 			$ret = $this->getChild($name);
@@ -74,15 +79,18 @@ class AvatarHome implements ICollection {
 		}
 	}
 
+	#[\Override]
 	public function delete() {
 		throw new Forbidden('Permission denied to delete this folder');
 	}
 
+	#[\Override]
 	public function getName() {
 		[,$name] = Uri\split($this->principalInfo['uri']);
 		return $name;
 	}
 
+	#[\Override]
 	public function setName($name) {
 		throw new Forbidden('Permission denied to rename this folder');
 	}
@@ -92,6 +100,7 @@ class AvatarHome implements ICollection {
 	 *
 	 * @return int|null
 	 */
+	#[\Override]
 	public function getLastModified() {
 		return null;
 	}

apps/dav/lib/Avatars/AvatarNode.php

@@ -32,10 +32,12 @@ class AvatarNode extends File {
 	 *
 	 * @return string
 	 */
+	#[\Override]
 	public function getName() {
 		return "$this->size.$this->ext";
 	}
 
+	#[\Override]
 	public function get() {
 		$image = $this->avatar->get($this->size);
 		$res = $image->resource();
@@ -57,6 +59,7 @@ class AvatarNode extends File {
 	 *
 	 * @return string|null
 	 */
+	#[\Override]
 	public function getContentType() {
 		if ($this->ext === 'png') {
 			return 'image/png';
@@ -64,10 +67,12 @@ class AvatarNode extends File {
 		return 'image/jpeg';
 	}
 
+	#[\Override]
 	public function getETag() {
 		return $this->avatar->getFile($this->size)->getEtag();
 	}
 
+	#[\Override]
 	public function getLastModified() {
 		return $this->avatar->getFile($this->size)->getMTime();
 	}

apps/dav/lib/Avatars/RootCollection.php

@@ -23,11 +23,13 @@ class RootCollection extends AbstractPrincipalCollection {
 	 * @param array $principalInfo
 	 * @return AvatarHome
 	 */
+	#[\Override]
 	public function getChildForPrincipal(array $principalInfo) {
 		$avatarManager = Server::get(IAvatarManager::class);
 		return new AvatarHome($principalInfo, $avatarManager);
 	}
 
+	#[\Override]
 	public function getName() {
 		return 'avatars';
 	}

apps/dav/lib/BackgroundJob/BuildReminderIndexBackgroundJob.php

@@ -39,6 +39,7 @@ class BuildReminderIndexBackgroundJob extends QueuedJob {
 		$this->timeFactory = $timeFactory;
 	}
 
+	#[\Override]
 	public function run($argument) {
 		$offset = (int)$argument['offset'];
 		$stopAt = (int)$argument['stopAt'];

apps/dav/lib/BackgroundJob/CalendarRetentionJob.php

@@ -24,6 +24,7 @@ class CalendarRetentionJob extends TimedJob {
 		$this->setTimeSensitivity(self::TIME_SENSITIVE);
 	}
 
+	#[\Override]
 	protected function run($argument): void {
 		$this->service->cleanUp();
 	}

apps/dav/lib/BackgroundJob/CleanupDirectLinksJob.php

@@ -24,6 +24,7 @@ class CleanupDirectLinksJob extends TimedJob {
 		$this->setTimeSensitivity(self::TIME_INSENSITIVE);
 	}
 
+	#[\Override]
 	protected function run($argument) {
 		// Delete all shares expired 24 hours ago
 		$this->mapper->deleteExpired($this->time->getTime() - 60 * 60 * 24);

apps/dav/lib/BackgroundJob/CleanupInvitationTokenJob.php

@@ -25,6 +25,7 @@ class CleanupInvitationTokenJob extends TimedJob {
 		$this->setTimeSensitivity(self::TIME_INSENSITIVE);
 	}
 
+	#[\Override]
 	public function run($argument): void {
 		$query = $this->db->getQueryBuilder();
 		$query->delete('calendar_invitations')

apps/dav/lib/BackgroundJob/CleanupOrphanedChildrenJob.php

@@ -34,6 +34,7 @@ class CleanupOrphanedChildrenJob extends QueuedJob {
 		parent::__construct($time);
 	}
 
+	#[\Override]
 	protected function run($argument): void {
 		$childTable = $argument[self::ARGUMENT_CHILD_TABLE];
 		$parentTable = $argument[self::ARGUMENT_PARENT_TABLE];

apps/dav/lib/BackgroundJob/DeleteOutdatedSchedulingObjects.php

@@ -27,6 +27,7 @@ class DeleteOutdatedSchedulingObjects extends TimedJob {
 	/**
 	 * @param array $argument
 	 */
+	#[\Override]
 	protected function run($argument): void {
 		$time = $this->time->getTime() - (60 * 60);
 		$this->calDavBackend->deleteOutdatedSchedulingObjects($time, 50000);

apps/dav/lib/BackgroundJob/EventReminderJob.php

@@ -35,6 +35,7 @@ class EventReminderJob extends TimedJob {
 	 * @throws NotificationTypeDoesNotExistException
 	 * @throws NoUserException
 	 */
+	#[\Override]
 	public function run($argument):void {
 		if ($this->config->getAppValue('dav', 'sendEventReminders', 'yes') !== 'yes') {
 			return;

apps/dav/lib/BackgroundJob/FederatedCalendarPeriodicSyncJob.php

@@ -34,6 +34,7 @@ class FederatedCalendarPeriodicSyncJob extends TimedJob {
 		$this->setInterval(3600);
 	}
 
+	#[\Override]
 	protected function run($argument): void {
 		if (!$this->calendarFederationConfig->isFederationEnabled()) {
 			return;

apps/dav/lib/BackgroundJob/FederatedCalendarSyncJob.php

@@ -33,6 +33,7 @@ class FederatedCalendarSyncJob extends QueuedJob {
 		$this->setAllowParallelRuns(false);
 	}
 
+	#[\Override]
 	protected function run($argument): void {
 		if (!$this->calendarFederationConfig->isFederationEnabled()) {
 			return;

apps/dav/lib/BackgroundJob/GenerateBirthdayCalendarBackgroundJob.php

@@ -23,6 +23,7 @@ class GenerateBirthdayCalendarBackgroundJob extends QueuedJob {
 		parent::__construct($time);
 	}
 
+	#[\Override]
 	public function run($argument) {
 		$userId = $argument['userId'];
 		$purgeBeforeGenerating = $argument['purgeBeforeGenerating'] ?? false;

apps/dav/lib/BackgroundJob/OutOfOfficeEventDispatcherJob.php

@@ -35,6 +35,7 @@ class OutOfOfficeEventDispatcherJob extends QueuedJob {
 		parent::__construct($time);
 	}
 
+	#[\Override]
 	public function run($argument): void {
 		$id = $argument['id'];
 		$event = $argument['event'];

apps/dav/lib/BackgroundJob/PruneOutdatedSyncTokensJob.php

@@ -30,6 +30,7 @@ class PruneOutdatedSyncTokensJob extends TimedJob {
 		$this->setTimeSensitivity(self::TIME_INSENSITIVE);
 	}
 
+	#[\Override]
 	public function run($argument) {
 		$limit = max(1, (int)$this->config->getAppValue(Application::APP_ID, 'totalNumberOfSyncTokensToKeep', '10000'));
 		$retention = max(7, (int)$this->config->getAppValue(Application::APP_ID, 'syncTokensRetentionDays', '60')) * 24 * 3600;

apps/dav/lib/BackgroundJob/RefreshWebcalJob.php

@@ -33,6 +33,7 @@ class RefreshWebcalJob extends Job {
 	 *
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function start(IJobList $jobList): void {
 		$subscription = $this->refreshWebcalService->getSubscription($this->argument['principaluri'], $this->argument['uri']);
 		if (!$subscription) {
@@ -69,6 +70,7 @@ class RefreshWebcalJob extends Job {
 	/**
 	 * @param array $argument
 	 */
+	#[\Override]
 	protected function run($argument) {
 		$this->refreshWebcalService->refreshSubscription($argument['principaluri'], $argument['uri']);
 	}

apps/dav/lib/BackgroundJob/RegisterRegenerateBirthdayCalendars.php

@@ -34,6 +34,7 @@ class RegisterRegenerateBirthdayCalendars extends QueuedJob {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function run($argument) {
 		$this->userManager->callForSeenUsers(function (IUser $user): void {
 			$this->jobList->add(GenerateBirthdayCalendarBackgroundJob::class, [

apps/dav/lib/BackgroundJob/UpdateCalendarResourcesRoomsBackgroundJob.php

@@ -27,6 +27,7 @@ class UpdateCalendarResourcesRoomsBackgroundJob extends TimedJob {
 		$this->setTimeSensitivity(self::TIME_SENSITIVE);
 	}
 
+	#[\Override]
 	public function run($argument): void {
 		$this->resourceManager->update();
 		$this->roomManager->update();

apps/dav/lib/BackgroundJob/UploadCleanup.php

@@ -34,6 +34,7 @@ class UploadCleanup extends TimedJob {
 		$this->setTimeSensitivity(self::TIME_INSENSITIVE);
 	}
 
+	#[\Override]
 	protected function run($argument) {
 		$uid = $argument['uid'];
 		$folder = $argument['folder'];

apps/dav/lib/BackgroundJob/UserStatusAutomation.php

@@ -49,6 +49,7 @@ class UserStatusAutomation extends TimedJob {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	protected function run($argument) {
 		if (!isset($argument['userId'])) {
 			$this->jobList->remove(self::class, $argument);

apps/dav/lib/BulkUpload/BulkUploadPlugin.php

@@ -27,6 +27,7 @@ class BulkUploadPlugin extends ServerPlugin {
 	/**
 	 * Register listener on POST requests with the httpPost method.
 	 */
+	#[\Override]
 	public function initialize(Server $server): void {
 		$server->on('method:POST', [$this, 'httpPost'], 10);
 	}

apps/dav/lib/CalDAV/Activity/Filter/Calendar.php

@@ -24,6 +24,7 @@ class Calendar implements IFilter {
 	 * @return string Lowercase a-z and underscore only identifier
 	 * @since 11.0.0
 	 */
+	#[\Override]
 	public function getIdentifier() {
 		return 'calendar';
 	}
@@ -32,6 +33,7 @@ class Calendar implements IFilter {
 	 * @return string A translated string
 	 * @since 11.0.0
 	 */
+	#[\Override]
 	public function getName() {
 		return $this->l->t('Calendar');
 	}
@@ -42,6 +44,7 @@ class Calendar implements IFilter {
 	 *             priority values. It is required to return a value between 0 and 100.
 	 * @since 11.0.0
 	 */
+	#[\Override]
 	public function getPriority() {
 		return 40;
 	}
@@ -50,6 +53,7 @@ class Calendar implements IFilter {
 	 * @return string Full URL to an icon, empty string when none is given
 	 * @since 11.0.0
 	 */
+	#[\Override]
 	public function getIcon() {
 		return $this->url->getAbsoluteURL($this->url->imagePath('core', 'places/calendar.svg'));
 	}
@@ -59,6 +63,7 @@ class Calendar implements IFilter {
 	 * @return string[] An array of allowed apps from which activities should be displayed
 	 * @since 11.0.0
 	 */
+	#[\Override]
 	public function filterTypes(array $types) {
 		return array_intersect(['calendar', 'calendar_event'], $types);
 	}
@@ -67,6 +72,7 @@ class Calendar implements IFilter {
 	 * @return string[] An array of allowed apps from which activities should be displayed
 	 * @since 11.0.0
 	 */
+	#[\Override]
 	public function allowedApps() {
 		return [];
 	}

apps/dav/lib/CalDAV/Activity/Filter/Todo.php

@@ -24,6 +24,7 @@ class Todo implements IFilter {
 	 * @return string Lowercase a-z and underscore only identifier
 	 * @since 11.0.0
 	 */
+	#[\Override]
 	public function getIdentifier() {
 		return 'calendar_todo';
 	}
@@ -32,6 +33,7 @@ class Todo implements IFilter {
 	 * @return string A translated string
 	 * @since 11.0.0
 	 */
+	#[\Override]
 	public function getName() {
 		return $this->l->t('Tasks');
 	}
@@ -42,6 +44,7 @@ class Todo implements IFilter {
 	 *             priority values. It is required to return a value between 0 and 100.
 	 * @since 11.0.0
 	 */
+	#[\Override]
 	public function getPriority() {
 		return 40;
 	}
@@ -50,6 +53,7 @@ class Todo implements IFilter {
 	 * @return string Full URL to an icon, empty string when none is given
 	 * @since 11.0.0
 	 */
+	#[\Override]
 	public function getIcon() {
 		return $this->url->getAbsoluteURL($this->url->imagePath('core', 'actions/checkmark.svg'));
 	}
@@ -59,6 +63,7 @@ class Todo implements IFilter {
 	 * @return string[] An array of allowed apps from which activities should be displayed
 	 * @since 11.0.0
 	 */
+	#[\Override]
 	public function filterTypes(array $types) {
 		return array_intersect(['calendar_todo'], $types);
 	}
@@ -67,6 +72,7 @@ class Todo implements IFilter {
 	 * @return string[] An array of allowed apps from which activities should be displayed
 	 * @since 11.0.0
 	 */
+	#[\Override]
 	public function allowedApps() {
 		return [];
 	}

apps/dav/lib/CalDAV/Activity/Provider/Calendar.php

@@ -59,6 +59,7 @@ class Calendar extends Base {
 	 * @throws UnknownActivityException
 	 * @since 11.0.0
 	 */
+	#[\Override]
 	public function parse($language, IEvent $event, ?IEvent $previousEvent = null) {
 		if ($event->getApp() !== 'dav' || $event->getType() !== 'calendar') {
 			throw new UnknownActivityException();

apps/dav/lib/CalDAV/Activity/Provider/Event.php

@@ -97,6 +97,7 @@ class Event extends Base {
 	 * @throws UnknownActivityException
 	 * @since 11.0.0
 	 */
+	#[\Override]
 	public function parse($language, IEvent $event, ?IEvent $previousEvent = null) {
 		if ($event->getApp() !== 'dav' || $event->getType() !== 'calendar_event') {
 			throw new UnknownActivityException();

apps/dav/lib/CalDAV/Activity/Provider/Todo.php

@@ -19,6 +19,7 @@ class Todo extends Event {
 	 * @throws UnknownActivityException
 	 * @since 11.0.0
 	 */
+	#[\Override]
 	public function parse($language, IEvent $event, ?IEvent $previousEvent = null) {
 		if ($event->getApp() !== 'dav' || $event->getType() !== 'calendar_todo') {
 			throw new UnknownActivityException();
@@ -72,6 +73,7 @@ class Todo extends Event {
 	 * @param IEvent $event
 	 * @return array
 	 */
+	#[\Override]
 	protected function getParameters(IEvent $event) {
 		$subject = $event->getSubject();
 		$parameters = $event->getSubjectParameters();

apps/dav/lib/CalDAV/Activity/Setting/CalDAVSetting.php

@@ -20,10 +20,12 @@ abstract class CalDAVSetting extends ActivitySettings {
 	) {
 	}
 
+	#[\Override]
 	public function getGroupIdentifier() {
 		return 'calendar';
 	}
 
+	#[\Override]
 	public function getGroupName() {
 		return $this->l->t('Calendar, contacts and tasks');
 	}

apps/dav/lib/CalDAV/Activity/Setting/Calendar.php

@@ -13,6 +13,7 @@ class Calendar extends CalDAVSetting {
 	 * @return string Lowercase a-z and underscore only identifier
 	 * @since 11.0.0
 	 */
+	#[\Override]
 	public function getIdentifier() {
 		return 'calendar';
 	}
@@ -21,6 +22,7 @@ class Calendar extends CalDAVSetting {
 	 * @return string A translated string
 	 * @since 11.0.0
 	 */
+	#[\Override]
 	public function getName() {
 		return $this->l->t('A <strong>calendar</strong> was modified');
 	}
@@ -31,6 +33,7 @@ class Calendar extends CalDAVSetting {
 	 *             priority values. It is required to return a value between 0 and 100.
 	 * @since 11.0.0
 	 */
+	#[\Override]
 	public function getPriority() {
 		return 50;
 	}
@@ -39,6 +42,7 @@ class Calendar extends CalDAVSetting {
 	 * @return bool True when the option can be changed for the stream
 	 * @since 11.0.0
 	 */
+	#[\Override]
 	public function canChangeStream() {
 		return true;
 	}
@@ -47,6 +51,7 @@ class Calendar extends CalDAVSetting {
 	 * @return bool True when the option can be changed for the stream
 	 * @since 11.0.0
 	 */
+	#[\Override]
 	public function isDefaultEnabledStream() {
 		return true;
 	}
@@ -55,6 +60,7 @@ class Calendar extends CalDAVSetting {
 	 * @return bool True when the option can be changed for the mail
 	 * @since 11.0.0
 	 */
+	#[\Override]
 	public function canChangeMail() {
 		return true;
 	}
@@ -63,6 +69,7 @@ class Calendar extends CalDAVSetting {
 	 * @return bool True when the option can be changed for the stream
 	 * @since 11.0.0
 	 */
+	#[\Override]
 	public function isDefaultEnabledMail() {
 		return false;
 	}

apps/dav/lib/CalDAV/Activity/Setting/Event.php

@@ -13,6 +13,7 @@ class Event extends CalDAVSetting {
 	 * @return string Lowercase a-z and underscore only identifier
 	 * @since 11.0.0
 	 */
+	#[\Override]
 	public function getIdentifier() {
 		return 'calendar_event';
 	}
@@ -21,6 +22,7 @@ class Event extends CalDAVSetting {
 	 * @return string A translated string
 	 * @since 11.0.0
 	 */
+	#[\Override]
 	public function getName() {
 		return $this->l->t('A calendar <strong>event</strong> was modified');
 	}
@@ -31,6 +33,7 @@ class Event extends CalDAVSetting {
 	 *             priority values. It is required to return a value between 0 and 100.
 	 * @since 11.0.0
 	 */
+	#[\Override]
 	public function getPriority() {
 		return 50;
 	}
@@ -39,6 +42,7 @@ class Event extends CalDAVSetting {
 	 * @return bool True when the option can be changed for the stream
 	 * @since 11.0.0
 	 */
+	#[\Override]
 	public function canChangeStream() {
 		return true;
 	}
@@ -47,6 +51,7 @@ class Event extends CalDAVSetting {
 	 * @return bool True when the option can be changed for the stream
 	 * @since 11.0.0
 	 */
+	#[\Override]
 	public function isDefaultEnabledStream() {
 		return true;
 	}
@@ -55,6 +60,7 @@ class Event extends CalDAVSetting {
 	 * @return bool True when the option can be changed for the mail
 	 * @since 11.0.0
 	 */
+	#[\Override]
 	public function canChangeMail() {
 		return true;
 	}
@@ -63,6 +69,7 @@ class Event extends CalDAVSetting {
 	 * @return bool True when the option can be changed for the stream
 	 * @since 11.0.0
 	 */
+	#[\Override]
 	public function isDefaultEnabledMail() {
 		return false;
 	}

apps/dav/lib/CalDAV/Activity/Setting/Todo.php

@@ -14,6 +14,7 @@ class Todo extends CalDAVSetting {
 	 * @return string Lowercase a-z and underscore only identifier
 	 * @since 11.0.0
 	 */
+	#[\Override]
 	public function getIdentifier() {
 		return 'calendar_todo';
 	}
@@ -22,6 +23,7 @@ class Todo extends CalDAVSetting {
 	 * @return string A translated string
 	 * @since 11.0.0
 	 */
+	#[\Override]
 	public function getName() {
 		return $this->l->t('A calendar <strong>to-do</strong> was modified');
 	}
@@ -32,6 +34,7 @@ class Todo extends CalDAVSetting {
 	 *             priority values. It is required to return a value between 0 and 100.
 	 * @since 11.0.0
 	 */
+	#[\Override]
 	public function getPriority() {
 		return 50;
 	}
@@ -40,6 +43,7 @@ class Todo extends CalDAVSetting {
 	 * @return bool True when the option can be changed for the stream
 	 * @since 11.0.0
 	 */
+	#[\Override]
 	public function canChangeStream() {
 		return true;
 	}
@@ -48,6 +52,7 @@ class Todo extends CalDAVSetting {
 	 * @return bool True when the option can be changed for the stream
 	 * @since 11.0.0
 	 */
+	#[\Override]
 	public function isDefaultEnabledStream() {
 		return true;
 	}
@@ -56,6 +61,7 @@ class Todo extends CalDAVSetting {
 	 * @return bool True when the option can be changed for the mail
 	 * @since 11.0.0
 	 */
+	#[\Override]
 	public function canChangeMail() {
 		return true;
 	}
@@ -64,6 +70,7 @@ class Todo extends CalDAVSetting {
 	 * @return bool True when the option can be changed for the stream
 	 * @since 11.0.0
 	 */
+	#[\Override]
 	public function isDefaultEnabledMail() {
 		return false;
 	}

apps/dav/lib/CalDAV/AppCalendar/AppCalendar.php

@@ -47,14 +47,17 @@ class AppCalendar extends ExternalCalendar {
 		return Constants::PERMISSION_READ;
 	}
 
+	#[\Override]
 	public function getOwner(): ?string {
 		return $this->principal;
 	}
 
+	#[\Override]
 	public function getGroup(): ?string {
 		return null;
 	}
 
+	#[\Override]
 	public function getACL(): array {
 		$acl = [
 			[
@@ -78,25 +81,30 @@ class AppCalendar extends ExternalCalendar {
 		return $acl;
 	}
 
+	#[\Override]
 	public function setACL(array $acl): void {
 		throw new Forbidden('Setting ACL is not supported on this node');
 	}
 
+	#[\Override]
 	public function getSupportedPrivilegeSet(): ?array {
 		// Use the default one
 		return null;
 	}
 
+	#[\Override]
 	public function getLastModified(): ?int {
 		// unknown
 		return null;
 	}
 
+	#[\Override]
 	public function delete(): void {
 		// No method for deleting a calendar in OCP\Calendar\ICalendar
 		throw new Forbidden('Deleting an entry is not implemented');
 	}
 
+	#[\Override]
 	public function createFile($name, $data = null) {
 		if ($this->calendar instanceof ICreateFromString) {
 			if (is_resource($data)) {
@@ -109,6 +117,7 @@ class AppCalendar extends ExternalCalendar {
 		}
 	}
 
+	#[\Override]
 	public function getProperties($properties) {
 		return [
 			'{DAV:}displayname' => $this->calendar->getDisplayName() ?: $this->calendar->getKey(),
@@ -117,6 +126,7 @@ class AppCalendar extends ExternalCalendar {
 		];
 	}
 
+	#[\Override]
 	public function calendarQuery(array $filters) {
 		$result = [];
 		$objects = $this->getChildren();
@@ -143,6 +153,7 @@ class AppCalendar extends ExternalCalendar {
 		return $result;
 	}
 
+	#[\Override]
 	public function childExists($name): bool {
 		try {
 			$this->getChild($name);
@@ -152,6 +163,7 @@ class AppCalendar extends ExternalCalendar {
 		}
 	}
 
+	#[\Override]
 	public function getChild($name) {
 		// Try to get calendar by filename
 		$children = $this->calendar->search($name, ['X-FILENAME']);
@@ -171,6 +183,7 @@ class AppCalendar extends ExternalCalendar {
 	/**
 	 * @return ICalendarObject[]
 	 */
+	#[\Override]
 	public function getChildren(): array {
 		$objects = $this->calendar->search('');
 		// We need to group by UID (actually by filename but we do not have that information)
@@ -188,6 +201,7 @@ class AppCalendar extends ExternalCalendar {
 		}, $result);
 	}
 
+	#[\Override]
 	public function propPatch(PropPatch $propPatch): void {
 		// no setDisplayColor or setDisplayName in \OCP\Calendar\ICalendar
 	}

apps/dav/lib/CalDAV/AppCalendar/AppCalendarPlugin.php

@@ -25,20 +25,24 @@ class AppCalendarPlugin implements ICalendarProvider {
 	) {
 	}
 
+	#[\Override]
 	public function getAppID(): string {
 		return 'dav-wrapper';
 	}
 
+	#[\Override]
 	public function fetchAllForCalendarHome(string $principalUri): array {
 		return array_map(function ($calendar) use (&$principalUri) {
 			return new AppCalendar($this->getAppID(), $calendar, $principalUri);
 		}, $this->getWrappedCalendars($principalUri));
 	}
 
+	#[\Override]
 	public function hasCalendarInCalendarHome(string $principalUri, string $calendarUri): bool {
 		return count($this->getWrappedCalendars($principalUri, [ $calendarUri ])) > 0;
 	}
 
+	#[\Override]
 	public function getCalendarInCalendarHome(string $principalUri, string $calendarUri): ?ExternalCalendar {
 		$calendars = $this->getWrappedCalendars($principalUri, [ $calendarUri ]);
 		if (count($calendars) > 0) {

apps/dav/lib/CalDAV/AppCalendar/CalendarObject.php

@@ -27,14 +27,17 @@ class CalendarObject implements ICalendarObject, IACL {
 	) {
 	}
 
+	#[\Override]
 	public function getOwner() {
 		return $this->calendar->getOwner();
 	}
 
+	#[\Override]
 	public function getGroup() {
 		return $this->calendar->getGroup();
 	}
 
+	#[\Override]
 	public function getACL(): array {
 		$acl = [
 			[
@@ -53,14 +56,17 @@ class CalendarObject implements ICalendarObject, IACL {
 		return $acl;
 	}
 
+	#[\Override]
 	public function setACL(array $acl): void {
 		throw new Forbidden('Setting ACL is not supported on this node');
 	}
 
+	#[\Override]
 	public function getSupportedPrivilegeSet(): ?array {
 		return null;
 	}
 
+	#[\Override]
 	public function put($data): void {
 		if ($this->backend instanceof ICreateFromString && $this->calendar->getPermissions() & Constants::PERMISSION_UPDATE) {
 			if (is_resource($data)) {
@@ -72,22 +78,27 @@ class CalendarObject implements ICalendarObject, IACL {
 		}
 	}
 
+	#[\Override]
 	public function get(): string {
 		return $this->vobject->serialize();
 	}
 
+	#[\Override]
 	public function getContentType(): string {
 		return 'text/calendar; charset=utf-8';
 	}
 
+	#[\Override]
 	public function getETag(): ?string {
 		return null;
 	}
 
+	#[\Override]
 	public function getSize() {
 		return mb_strlen($this->vobject->serialize());
 	}
 
+	#[\Override]
 	public function delete(): void {
 		if ($this->backend instanceof ICreateFromString && $this->calendar->getPermissions() & Constants::PERMISSION_DELETE) {
 			/** @var \Sabre\VObject\Component[] */
@@ -105,6 +116,7 @@ class CalendarObject implements ICalendarObject, IACL {
 		}
 	}
 
+	#[\Override]
 	public function getName(): string {
 		// Every object is required to have an UID
 		$base = $this->vobject->getBaseComponent();
@@ -118,10 +130,12 @@ class CalendarObject implements ICalendarObject, IACL {
 		return (string)$base->UID . '.ics';
 	}
 
+	#[\Override]
 	public function setName($name): void {
 		throw new Forbidden('This calendar-object is read-only');
 	}
 
+	#[\Override]
 	public function getLastModified(): ?int {
 		$base = $this->vobject->getBaseComponent();
 		if ($base !== null && $this->vobject->getBaseComponent()->{'LAST-MODIFIED'}) {

apps/dav/lib/CalDAV/Auth/PublicPrincipalPlugin.php

@@ -14,6 +14,7 @@ use Sabre\DAV\Auth\Plugin;
  * Defines the public facing principal option
  */
 class PublicPrincipalPlugin extends Plugin {
+	#[\Override]
 	public function getCurrentPrincipal(): ?string {
 		return 'principals/system/public';
 	}

apps/dav/lib/CalDAV/BirthdayCalendar/EnablePlugin.php

@@ -52,6 +52,7 @@ class EnablePlugin extends ServerPlugin {
 	 *
 	 * @return string[]
 	 */
+	#[\Override]
 	public function getFeatures() {
 		return ['nc-enable-birthday-calendar'];
 	}
@@ -64,6 +65,7 @@ class EnablePlugin extends ServerPlugin {
 	 *
 	 * @return string
 	 */
+	#[\Override]
 	public function getPluginName() {
 		return 'nc-enable-birthday-calendar';
 	}
@@ -78,6 +80,7 @@ class EnablePlugin extends ServerPlugin {
 	 *
 	 * @param Server $server
 	 */
+	#[\Override]
 	public function initialize(Server $server) {
 		$this->server = $server;
 

apps/dav/lib/CalDAV/CachedSubscription.php

@@ -32,6 +32,7 @@ class CachedSubscription extends \Sabre\CalDAV\Calendar {
 	/**
 	 * @return array
 	 */
+	#[\Override]
 	public function getACL() {
 		return [
 			[
@@ -65,6 +66,7 @@ class CachedSubscription extends \Sabre\CalDAV\Calendar {
 	/**
 	 * @return array
 	 */
+	#[\Override]
 	public function getChildACL() {
 		return [
 			[
@@ -89,6 +91,7 @@ class CachedSubscription extends \Sabre\CalDAV\Calendar {
 	/**
 	 * @return null|string
 	 */
+	#[\Override]
 	public function getOwner() {
 		if (isset($this->calendarInfo['{http://owncloud.org/ns}owner-principal'])) {
 			return $this->calendarInfo['{http://owncloud.org/ns}owner-principal'];
@@ -97,6 +100,7 @@ class CachedSubscription extends \Sabre\CalDAV\Calendar {
 	}
 
 
+	#[\Override]
 	public function delete() {
 		$this->caldavBackend->deleteSubscription($this->calendarInfo['id']);
 	}
@@ -104,6 +108,7 @@ class CachedSubscription extends \Sabre\CalDAV\Calendar {
 	/**
 	 * @param PropPatch $propPatch
 	 */
+	#[\Override]
 	public function propPatch(PropPatch $propPatch) {
 		$this->caldavBackend->updateSubscription($this->calendarInfo['id'], $propPatch);
 	}
@@ -113,6 +118,7 @@ class CachedSubscription extends \Sabre\CalDAV\Calendar {
 	 * @return CalendarObject|\Sabre\CalDAV\ICalendarObject
 	 * @throws NotFound
 	 */
+	#[\Override]
 	public function getChild($name) {
 		$obj = $this->caldavBackend->getCalendarObject($this->calendarInfo['id'], $name, CalDavBackend::CALENDAR_TYPE_SUBSCRIPTION);
 		if (!$obj) {
@@ -126,6 +132,7 @@ class CachedSubscription extends \Sabre\CalDAV\Calendar {
 	/**
 	 * @return INode[]
 	 */
+	#[\Override]
 	public function getChildren(): array {
 		$objs = $this->caldavBackend->getCalendarObjects($this->calendarInfo['id'], CalDavBackend::CALENDAR_TYPE_SUBSCRIPTION);
 
@@ -141,6 +148,7 @@ class CachedSubscription extends \Sabre\CalDAV\Calendar {
 	 * @param array $paths
 	 * @return array
 	 */
+	#[\Override]
 	public function getMultipleChildren(array $paths):array {
 		$objs = $this->caldavBackend->getMultipleCalendarObjects($this->calendarInfo['id'], $paths, CalDavBackend::CALENDAR_TYPE_SUBSCRIPTION);
 
@@ -158,6 +166,7 @@ class CachedSubscription extends \Sabre\CalDAV\Calendar {
 	 * @return null|string
 	 * @throws MethodNotAllowed
 	 */
+	#[\Override]
 	public function createFile($name, $data = null) {
 		throw new MethodNotAllowed('Creating objects in cached subscription is not allowed');
 	}
@@ -166,6 +175,7 @@ class CachedSubscription extends \Sabre\CalDAV\Calendar {
 	 * @param string $name
 	 * @return bool
 	 */
+	#[\Override]
 	public function childExists($name):bool {
 		$obj = $this->caldavBackend->getCalendarObject($this->calendarInfo['id'], $name, CalDavBackend::CALENDAR_TYPE_SUBSCRIPTION);
 		if (!$obj) {
@@ -179,6 +189,7 @@ class CachedSubscription extends \Sabre\CalDAV\Calendar {
 	 * @param array $filters
 	 * @return array
 	 */
+	#[\Override]
 	public function calendarQuery(array $filters):array {
 		return $this->caldavBackend->calendarQuery($this->calendarInfo['id'], $filters, CalDavBackend::CALENDAR_TYPE_SUBSCRIPTION);
 	}
@@ -186,6 +197,7 @@ class CachedSubscription extends \Sabre\CalDAV\Calendar {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function getChanges($syncToken, $syncLevel, $limit = null) {
 		if (!$syncToken && $limit) {
 			throw new UnsupportedLimitOnInitialSyncException();

apps/dav/lib/CalDAV/CachedSubscriptionImpl.php

@@ -28,6 +28,7 @@ class CachedSubscriptionImpl implements ICalendar, ICalendarIsEnabled, ICalendar
 	 * @return string defining the technical unique key
 	 * @since 13.0.0
 	 */
+	#[\Override]
 	public function getKey(): string {
 		return (string)$this->calendarInfo['id'];
 	}
@@ -35,6 +36,7 @@ class CachedSubscriptionImpl implements ICalendar, ICalendarIsEnabled, ICalendar
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function getUri(): string {
 		return $this->calendarInfo['uri'];
 	}
@@ -43,6 +45,7 @@ class CachedSubscriptionImpl implements ICalendar, ICalendarIsEnabled, ICalendar
 	 * In comparison to getKey() this function returns a human readable (maybe translated) name
 	 * @since 13.0.0
 	 */
+	#[\Override]
 	public function getDisplayName(): ?string {
 		return $this->calendarInfo['{DAV:}displayname'];
 	}
@@ -51,10 +54,12 @@ class CachedSubscriptionImpl implements ICalendar, ICalendarIsEnabled, ICalendar
 	 * Calendar color
 	 * @since 13.0.0
 	 */
+	#[\Override]
 	public function getDisplayColor(): ?string {
 		return $this->calendarInfo['{http://apple.com/ns/ical/}calendar-color'];
 	}
 
+	#[\Override]
 	public function search(string $pattern, array $searchProperties = [], array $options = [], $limit = null, $offset = null): array {
 		return $this->backend->search($this->calendarInfo, $pattern, $searchProperties, $options, $limit, $offset);
 	}
@@ -63,6 +68,7 @@ class CachedSubscriptionImpl implements ICalendar, ICalendarIsEnabled, ICalendar
 	 * @return int build up using \OCP\Constants
 	 * @since 13.0.0
 	 */
+	#[\Override]
 	public function getPermissions(): int {
 		$permissions = $this->calendar->getACL();
 		$result = 0;
@@ -80,18 +86,22 @@ class CachedSubscriptionImpl implements ICalendar, ICalendarIsEnabled, ICalendar
 	/**
 	 * @since 32.0.0
 	 */
+	#[\Override]
 	public function isEnabled(): bool {
 		return $this->calendarInfo['{http://owncloud.org/ns}calendar-enabled'] ?? true;
 	}
 
+	#[\Override]
 	public function isWritable(): bool {
 		return false;
 	}
 
+	#[\Override]
 	public function isDeleted(): bool {
 		return false;
 	}
 
+	#[\Override]
 	public function isShared(): bool {
 		return true;
 	}

apps/dav/lib/CalDAV/CachedSubscriptionObject.php

@@ -21,6 +21,7 @@ class CachedSubscriptionObject extends \Sabre\CalDAV\CalendarObject {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function get() {
 		// Pre-populating the 'calendardata' is optional, if we don't have it
 		// already we fetch it from the backend.
@@ -36,6 +37,7 @@ class CachedSubscriptionObject extends \Sabre\CalDAV\CalendarObject {
 	 * @return string
 	 * @throws MethodNotAllowed
 	 */
+	#[\Override]
 	public function put($calendarData) {
 		throw new MethodNotAllowed('Creating objects in a cached subscription is not allowed');
 	}
@@ -43,6 +45,7 @@ class CachedSubscriptionObject extends \Sabre\CalDAV\CalendarObject {
 	/**
 	 * @throws MethodNotAllowed
 	 */
+	#[\Override]
 	public function delete() {
 		throw new MethodNotAllowed('Deleting objects in a cached subscription is not allowed');
 	}

apps/dav/lib/CalDAV/CachedSubscriptionProvider.php

@@ -17,6 +17,7 @@ class CachedSubscriptionProvider implements ICalendarProvider {
 	) {
 	}
 
+	#[\Override]
 	public function getCalendars(string $principalUri, array $calendarUris = []): array {
 		$calendarInfos = $this->calDavBackend->getSubscriptionsForUser($principalUri);
 

apps/dav/lib/CalDAV/CalDavBackend.php

@@ -319,6 +319,7 @@ class CalDavBackend extends AbstractBackend implements SyncSupport, Subscription
 	 * @param string $principalUri
 	 * @return array
 	 */
+	#[\Override]
 	public function getCalendarsForUser($principalUri) {
 		return $this->atomic(function () use ($principalUri) {
 			$principalUriOriginal = $principalUri;
@@ -811,6 +812,7 @@ class CalDavBackend extends AbstractBackend implements SyncSupport, Subscription
 	 *
 	 * @throws CalendarException
 	 */
+	#[\Override]
 	public function createCalendar($principalUri, $calendarUri, array $properties) {
 		if (strlen($calendarUri) > 255) {
 			throw new CalendarException('URI too long. Calendar not created');
@@ -883,6 +885,7 @@ class CalDavBackend extends AbstractBackend implements SyncSupport, Subscription
 	 * @param PropPatch $propPatch
 	 * @return void
 	 */
+	#[\Override]
 	public function updateCalendar($calendarId, PropPatch $propPatch) {
 		$supportedProperties = array_keys($this->propertyMap);
 		$supportedProperties[] = '{' . Plugin::NS_CALDAV . '}schedule-calendar-transp';
@@ -929,6 +932,7 @@ class CalDavBackend extends AbstractBackend implements SyncSupport, Subscription
 	 * @param mixed $calendarId
 	 * @return void
 	 */
+	#[\Override]
 	public function deleteCalendar($calendarId, bool $forceDeletePermanently = false) {
 		$this->publishStatusCache->remove((string)$calendarId);
 
@@ -1127,6 +1131,7 @@ class CalDavBackend extends AbstractBackend implements SyncSupport, Subscription
 	 * @param int $calendarType
 	 * @return array
 	 */
+	#[\Override]
 	public function getCalendarObjects($calendarId, $calendarType = self::CALENDAR_TYPE_CALENDAR):array {
 		$query = $this->db->getQueryBuilder();
 		$query->select(['id', 'uri', 'lastmodified', 'etag', 'calendarid', 'size', 'componenttype', 'classification'])
@@ -1239,6 +1244,7 @@ class CalDavBackend extends AbstractBackend implements SyncSupport, Subscription
 	 * @param int $calendarType
 	 * @return array|null
 	 */
+	#[\Override]
 	public function getCalendarObject($calendarId, $objectUri, int $calendarType = self::CALENDAR_TYPE_CALENDAR) {
 		$key = $calendarId . '::' . $objectUri . '::' . $calendarType;
 		if (isset($this->cachedObjects[$key])) {
@@ -1292,6 +1298,7 @@ class CalDavBackend extends AbstractBackend implements SyncSupport, Subscription
 	 * @param int $calendarType
 	 * @return array
 	 */
+	#[\Override]
 	public function getMultipleCalendarObjects($calendarId, array $uris, $calendarType = self::CALENDAR_TYPE_CALENDAR):array {
 		if (empty($uris)) {
 			return [];
@@ -1350,6 +1357,7 @@ class CalDavBackend extends AbstractBackend implements SyncSupport, Subscription
 	 * @param int $calendarType
 	 * @return string
 	 */
+	#[\Override]
 	public function createCalendarObject($calendarId, $objectUri, $calendarData, $calendarType = self::CALENDAR_TYPE_CALENDAR) {
 		$this->cachedObjects = [];
 		$extraData = $this->getDenormalizedData($calendarData);
@@ -1447,6 +1455,7 @@ class CalDavBackend extends AbstractBackend implements SyncSupport, Subscription
 	 * @param int $calendarType
 	 * @return string
 	 */
+	#[\Override]
 	public function updateCalendarObject($calendarId, $objectUri, $calendarData, $calendarType = self::CALENDAR_TYPE_CALENDAR) {
 		$this->cachedObjects = [];
 		$extraData = $this->getDenormalizedData($calendarData);
@@ -1560,6 +1569,7 @@ class CalDavBackend extends AbstractBackend implements SyncSupport, Subscription
 	 * @param bool $forceDeletePermanently
 	 * @return void
 	 */
+	#[\Override]
 	public function deleteCalendarObject($calendarId, $objectUri, $calendarType = self::CALENDAR_TYPE_CALENDAR, bool $forceDeletePermanently = false) {
 		$this->cachedObjects = [];
 		$this->atomic(function () use ($calendarId, $objectUri, $calendarType, $forceDeletePermanently): void {
@@ -1744,6 +1754,7 @@ class CalDavBackend extends AbstractBackend implements SyncSupport, Subscription
 	 * @param int $calendarType
 	 * @return array
 	 */
+	#[\Override]
 	public function calendarQuery($calendarId, array $filters, $calendarType = self::CALENDAR_TYPE_CALENDAR):array {
 		$componentType = null;
 		$requirePostFilter = true;
@@ -2442,6 +2453,7 @@ class CalDavBackend extends AbstractBackend implements SyncSupport, Subscription
 	 * @param string $uid
 	 * @return string|null
 	 */
+	#[\Override]
 	public function getCalendarObjectByUID($principalUri, $uid, $calendarUri = null) {
 		$query = $this->db->getQueryBuilder();
 		$query->selectAlias('c.uri', 'calendaruri')->selectAlias('co.uri', 'objecturi')
@@ -2553,6 +2565,7 @@ class CalDavBackend extends AbstractBackend implements SyncSupport, Subscription
 	 * @param int $calendarType
 	 * @return ?array
 	 */
+	#[\Override]
 	public function getChangesForCalendar($calendarId, $syncToken, $syncLevel, $limit = null, $calendarType = self::CALENDAR_TYPE_CALENDAR) {
 		$table = $calendarType === self::CALENDAR_TYPE_CALENDAR ? 'calendars': 'calendarsubscriptions';
 
@@ -2653,6 +2666,7 @@ class CalDavBackend extends AbstractBackend implements SyncSupport, Subscription
 	 * @param string $principalUri
 	 * @return array
 	 */
+	#[\Override]
 	public function getSubscriptionsForUser($principalUri) {
 		$fields = array_column($this->subscriptionPropertyMap, 0);
 		$fields[] = 'id';
@@ -2699,6 +2713,7 @@ class CalDavBackend extends AbstractBackend implements SyncSupport, Subscription
 	 * @param array $properties
 	 * @return mixed
 	 */
+	#[\Override]
 	public function createSubscription($principalUri, $uri, array $properties) {
 		if (!isset($properties['{http://calendarserver.org/ns/}source'])) {
 			throw new Forbidden('The {http://calendarserver.org/ns/}source property is required when creating subscriptions');
@@ -2759,6 +2774,7 @@ class CalDavBackend extends AbstractBackend implements SyncSupport, Subscription
 	 * @param PropPatch $propPatch
 	 * @return void
 	 */
+	#[\Override]
 	public function updateSubscription($subscriptionId, PropPatch $propPatch) {
 		$supportedProperties = array_keys($this->subscriptionPropertyMap);
 		$supportedProperties[] = '{http://calendarserver.org/ns/}source';
@@ -2800,6 +2816,7 @@ class CalDavBackend extends AbstractBackend implements SyncSupport, Subscription
 	 * @param mixed $subscriptionId
 	 * @return void
 	 */
+	#[\Override]
 	public function deleteSubscription($subscriptionId) {
 		$this->atomic(function () use ($subscriptionId): void {
 			$subscriptionRow = $this->getSubscriptionById($subscriptionId);
@@ -2847,6 +2864,7 @@ class CalDavBackend extends AbstractBackend implements SyncSupport, Subscription
 	 * @param string $objectUri
 	 * @return array
 	 */
+	#[\Override]
 	public function getSchedulingObject($principalUri, $objectUri) {
 		$query = $this->db->getQueryBuilder();
 		$stmt = $query->select(['uri', 'calendardata', 'lastmodified', 'etag', 'size'])
@@ -2881,6 +2899,7 @@ class CalDavBackend extends AbstractBackend implements SyncSupport, Subscription
 	 * @param string $principalUri
 	 * @return array
 	 */
+	#[\Override]
 	public function getSchedulingObjects($principalUri) {
 		$query = $this->db->getQueryBuilder();
 		$stmt = $query->select(['uri', 'calendardata', 'lastmodified', 'etag', 'size'])
@@ -2910,6 +2929,7 @@ class CalDavBackend extends AbstractBackend implements SyncSupport, Subscription
 	 * @param string $objectUri
 	 * @return void
 	 */
+	#[\Override]
 	public function deleteSchedulingObject($principalUri, $objectUri) {
 		$this->cachedObjects = [];
 		$query = $this->db->getQueryBuilder();
@@ -2965,6 +2985,7 @@ class CalDavBackend extends AbstractBackend implements SyncSupport, Subscription
 	 * @param string $objectData
 	 * @return void
 	 */
+	#[\Override]
 	public function createSchedulingObject($principalUri, $objectUri, $objectData) {
 		$this->cachedObjects = [];
 		$query = $this->db->getQueryBuilder();

apps/dav/lib/CalDAV/Calendar.php

@@ -72,6 +72,7 @@ class Calendar extends \Sabre\CalDAV\Calendar implements IRestorable, IShareable
 	 * {@inheritdoc}
 	 * @throws Forbidden
 	 */
+	#[\Override]
 	public function updateShares(array $add, array $remove): void {
 		if ($this->isShared()) {
 			throw new Forbidden();
@@ -91,6 +92,7 @@ class Calendar extends \Sabre\CalDAV\Calendar implements IRestorable, IShareable
 	 *
 	 * @return list<array{href: string, commonName: string, status: int, readOnly: bool, '{http://owncloud.org/ns}principal': string, '{http://owncloud.org/ns}group-share': bool}>
 	 */
+	#[\Override]
 	public function getShares(): array {
 		if ($this->isShared()) {
 			return [];
@@ -98,6 +100,7 @@ class Calendar extends \Sabre\CalDAV\Calendar implements IRestorable, IShareable
 		return $this->caldavBackend->getShares($this->getResourceId());
 	}
 
+	#[\Override]
 	public function getResourceId(): int {
 		return $this->calendarInfo['id'];
 	}
@@ -114,6 +117,7 @@ class Calendar extends \Sabre\CalDAV\Calendar implements IRestorable, IShareable
 	 * @param list<array{privilege: string, principal: string, protected: bool}> $acl
 	 * @return list<array{privilege: string, principal: ?string, protected: bool}>
 	 */
+	#[\Override]
 	public function getACL() {
 		$acl = [
 			[
@@ -210,10 +214,12 @@ class Calendar extends \Sabre\CalDAV\Calendar implements IRestorable, IShareable
 		return $acl;
 	}
 
+	#[\Override]
 	public function getChildACL() {
 		return $this->getACL();
 	}
 
+	#[\Override]
 	public function getOwner(): ?string {
 		if (isset($this->calendarInfo['{http://owncloud.org/ns}owner-principal'])) {
 			return $this->calendarInfo['{http://owncloud.org/ns}owner-principal'];
@@ -221,6 +227,7 @@ class Calendar extends \Sabre\CalDAV\Calendar implements IRestorable, IShareable
 		return parent::getOwner();
 	}
 
+	#[\Override]
 	public function delete() {
 		if ($this->isShared()) {
 			$this->caldavBackend->unshare($this, 'principal:' . $this->getPrincipalURI());
@@ -242,6 +249,7 @@ class Calendar extends \Sabre\CalDAV\Calendar implements IRestorable, IShareable
 		);
 	}
 
+	#[\Override]
 	public function propPatch(PropPatch $propPatch) {
 		// parent::propPatch will only update calendars table
 		// if calendar is shared, changes have to be made to the properties table
@@ -250,6 +258,7 @@ class Calendar extends \Sabre\CalDAV\Calendar implements IRestorable, IShareable
 		}
 	}
 
+	#[\Override]
 	public function getChild($name) {
 		$obj = $this->caldavBackend->getCalendarObject($this->calendarInfo['id'], $name, $this->getCalendarType());
 
@@ -266,6 +275,7 @@ class Calendar extends \Sabre\CalDAV\Calendar implements IRestorable, IShareable
 		return new CalendarObject($this->caldavBackend, $this->l10n, $this->calendarInfo, $obj);
 	}
 
+	#[\Override]
 	public function getChildren() {
 		$objs = $this->caldavBackend->getCalendarObjects($this->calendarInfo['id'], $this->getCalendarType());
 		$children = [];
@@ -279,6 +289,7 @@ class Calendar extends \Sabre\CalDAV\Calendar implements IRestorable, IShareable
 		return $children;
 	}
 
+	#[\Override]
 	public function getMultipleChildren(array $paths) {
 		$objs = $this->caldavBackend->getMultipleCalendarObjects($this->calendarInfo['id'], $paths, $this->getCalendarType());
 		$children = [];
@@ -292,6 +303,7 @@ class Calendar extends \Sabre\CalDAV\Calendar implements IRestorable, IShareable
 		return $children;
 	}
 
+	#[\Override]
 	public function childExists($name) {
 		$obj = $this->caldavBackend->getCalendarObject($this->calendarInfo['id'], $name, $this->getCalendarType());
 		if (!$obj) {
@@ -304,6 +316,7 @@ class Calendar extends \Sabre\CalDAV\Calendar implements IRestorable, IShareable
 		return true;
 	}
 
+	#[\Override]
 	public function calendarQuery(array $filters) {
 		$uris = $this->caldavBackend->calendarQuery($this->calendarInfo['id'], $filters, $this->getCalendarType());
 		if ($this->isShared()) {
@@ -369,6 +382,7 @@ class Calendar extends \Sabre\CalDAV\Calendar implements IRestorable, IShareable
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function getChanges($syncToken, $syncLevel, $limit = null) {
 		if (!$syncToken && $limit) {
 			throw new UnsupportedLimitOnInitialSyncException();
@@ -380,6 +394,7 @@ class Calendar extends \Sabre\CalDAV\Calendar implements IRestorable, IShareable
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function restore(): void {
 		$this->caldavBackend->restoreCalendar((int)$this->calendarInfo['id']);
 	}
@@ -391,6 +406,7 @@ class Calendar extends \Sabre\CalDAV\Calendar implements IRestorable, IShareable
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function moveInto($targetName, $sourcePath, INode $sourceNode) {
 		if (!($sourceNode instanceof CalendarObject)) {
 			return false;

apps/dav/lib/CalDAV/CalendarHome.php

@@ -67,6 +67,7 @@ class CalendarHome extends \Sabre\CalDAV\CalendarHome {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function createExtendedCollection($name, MkCol $mkCol): void {
 		$reservedNames = [
 			BirthdayService::BIRTHDAY_CALENDAR_URI,
@@ -83,6 +84,7 @@ class CalendarHome extends \Sabre\CalDAV\CalendarHome {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function getChildren() {
 		if ($this->cachedChildren) {
 			return $this->cachedChildren;
@@ -144,6 +146,7 @@ class CalendarHome extends \Sabre\CalDAV\CalendarHome {
 	 *
 	 * @return INode
 	 */
+	#[\Override]
 	public function getChild($name) {
 		// Special nodes
 		if ($name === 'inbox' && $this->caldavBackend instanceof SchedulingSupport) {

apps/dav/lib/CalDAV/CalendarImpl.php

@@ -49,6 +49,7 @@ class CalendarImpl implements ICreateFromString, IHandleImipMessage, ICalendarIs
 	 * @return string defining the technical unique key
 	 * @since 13.0.0
 	 */
+	#[\Override]
 	public function getKey(): string {
 		return (string)$this->calendarInfo['id'];
 	}
@@ -56,6 +57,7 @@ class CalendarImpl implements ICreateFromString, IHandleImipMessage, ICalendarIs
 	/**
 	 * {@inheritDoc}
 	 */
+	#[\Override]
 	public function getUri(): string {
 		return $this->calendarInfo['uri'];
 	}
@@ -72,6 +74,7 @@ class CalendarImpl implements ICreateFromString, IHandleImipMessage, ICalendarIs
 	 * In comparison to getKey() this function returns a human readable (maybe translated) name
 	 * @since 13.0.0
 	 */
+	#[\Override]
 	public function getDisplayName(): ?string {
 		return $this->calendarInfo['{DAV:}displayname'];
 	}
@@ -80,6 +83,7 @@ class CalendarImpl implements ICreateFromString, IHandleImipMessage, ICalendarIs
 	 * Calendar color
 	 * @since 13.0.0
 	 */
+	#[\Override]
 	public function getDisplayColor(): ?string {
 		return $this->calendarInfo['{http://apple.com/ns/ical/}calendar-color'];
 	}
@@ -107,6 +111,7 @@ class CalendarImpl implements ICreateFromString, IHandleImipMessage, ICalendarIs
 		return $vtimezone;
 	}
 
+	#[\Override]
 	public function search(string $pattern, array $searchProperties = [], array $options = [], $limit = null, $offset = null): array {
 		return $this->backend->search($this->calendarInfo, $pattern,
 			$searchProperties, $options, $limit, $offset);
@@ -116,6 +121,7 @@ class CalendarImpl implements ICreateFromString, IHandleImipMessage, ICalendarIs
 	 * @return int build up using \OCP\Constants
 	 * @since 13.0.0
 	 */
+	#[\Override]
 	public function getPermissions(): int {
 		$permissions = $this->calendar->getACL();
 		$result = 0;
@@ -144,6 +150,7 @@ class CalendarImpl implements ICreateFromString, IHandleImipMessage, ICalendarIs
 	/**
 	 * @since 32.0.0
 	 */
+	#[\Override]
 	public function isEnabled(): bool {
 		return $this->calendarInfo['{http://owncloud.org/ns}calendar-enabled'] ?? true;
 	}
@@ -151,6 +158,7 @@ class CalendarImpl implements ICreateFromString, IHandleImipMessage, ICalendarIs
 	/**
 	 * @since 31.0.0
 	 */
+	#[\Override]
 	public function isWritable(): bool {
 		return $this->calendar->canWrite();
 	}
@@ -158,6 +166,7 @@ class CalendarImpl implements ICreateFromString, IHandleImipMessage, ICalendarIs
 	/**
 	 * @since 26.0.0
 	 */
+	#[\Override]
 	public function isDeleted(): bool {
 		return $this->calendar->isDeleted();
 	}
@@ -165,6 +174,7 @@ class CalendarImpl implements ICreateFromString, IHandleImipMessage, ICalendarIs
 	/**
 	 * @since 31.0.0
 	 */
+	#[\Override]
 	public function isShared(): bool {
 		return $this->calendar->isShared();
 	}
@@ -172,6 +182,7 @@ class CalendarImpl implements ICreateFromString, IHandleImipMessage, ICalendarIs
 	/**
 	 * @since 33.0.1, 32.0.7, 31.0.14.1, 30.0.17.8
 	 */
+	#[\Override]
 	public function getPublicToken(): ?string {
 		return $this->calendar->getPublishStatus() ?: null;
 	}
@@ -216,11 +227,13 @@ class CalendarImpl implements ICreateFromString, IHandleImipMessage, ICalendarIs
 		}
 	}
 
+	#[\Override]
 	public function createFromString(string $name, string $calendarData): void {
 		$server = new EmbeddedCalDavServer(false);
 		$this->createFromStringInServer($name, $calendarData, $server->getServer());
 	}
 
+	#[\Override]
 	public function createFromStringMinimal(string $name, string $calendarData): void {
 		$server = new InvitationResponseServer(false);
 		$this->createFromStringInServer($name, $calendarData, $server->getServer());
@@ -229,6 +242,7 @@ class CalendarImpl implements ICreateFromString, IHandleImipMessage, ICalendarIs
 	/**
 	 * @throws CalendarException
 	 */
+	#[\Override]
 	public function handleIMipMessage(string $name, string $calendarData): void {
 
 		try {
@@ -330,6 +344,7 @@ class CalendarImpl implements ICreateFromString, IHandleImipMessage, ICalendarIs
 	 *
 	 * @return Generator<mixed, \Sabre\VObject\Component\VCalendar, mixed, mixed>
 	 */
+	#[\Override]
 	public function export(?CalendarExportOptions $options = null): Generator {
 		foreach (
 			$this->backend->exportCalendar(

apps/dav/lib/CalDAV/CalendarObject.php

@@ -38,6 +38,7 @@ class CalendarObject extends \Sabre\CalDAV\CalendarObject {
 	/**
 	 * @inheritdoc
 	 */
+	#[\Override]
 	public function get() {
 		$data = parent::get();
 
@@ -148,6 +149,7 @@ class CalendarObject extends \Sabre\CalDAV\CalendarObject {
 		return $this->calendarInfo['principaluri'];
 	}
 
+	#[\Override]
 	public function getOwner(): ?string {
 		if (isset($this->calendarInfo['{http://owncloud.org/ns}owner-principal'])) {
 			return $this->calendarInfo['{http://owncloud.org/ns}owner-principal'];

apps/dav/lib/CalDAV/CalendarProvider.php

@@ -27,6 +27,7 @@ class CalendarProvider implements ICalendarProvider {
 	) {
 	}
 
+	#[\Override]
 	public function getCalendars(string $principalUri, array $calendarUris = []): array {
 		/** @var array{uri: string, principaluri: string}[] $calendarInfos */
 		$calendarInfos = $this->calDavBackend->getCalendarsForUser($principalUri) ?? [];

apps/dav/lib/CalDAV/CalendarRoot.php

@@ -33,6 +33,7 @@ class CalendarRoot extends \Sabre\CalDAV\CalendarRoot {
 		parent::__construct($principalBackend, $caldavBackend, $principalPrefix);
 	}
 
+	#[\Override]
 	public function getChildForPrincipal(array $principal) {
 		[$prefix] = \Sabre\Uri\split($principal['uri']);
 		if ($prefix === RemoteUserPrincipalBackend::PRINCIPAL_PREFIX) {
@@ -54,6 +55,7 @@ class CalendarRoot extends \Sabre\CalDAV\CalendarRoot {
 		);
 	}
 
+	#[\Override]
 	public function getName() {
 		if ($this->principalPrefix === 'principals/calendar-resources'
 			|| $this->principalPrefix === 'principals/calendar-rooms') {
@@ -73,6 +75,7 @@ class CalendarRoot extends \Sabre\CalDAV\CalendarRoot {
 		$this->returnCachedSubscriptions['principals/users/' . $principalUri] = true;
 	}
 
+	#[\Override]
 	public function childExists($name) {
 		if (!($this->principalBackend instanceof Principal)) {
 			return parent::childExists($name);

apps/dav/lib/CalDAV/Federation/CalendarFederationProvider.php

@@ -39,10 +39,12 @@ class CalendarFederationProvider implements ICloudFederationProvider {
 	) {
 	}
 
+	#[\Override]
 	public function getShareType(): string {
 		return self::PROVIDER_ID;
 	}
 
+	#[\Override]
 	public function shareReceived(ICloudFederationShare $share): string {
 		if (!$this->calendarFederationConfig->isFederationEnabled()) {
 			$this->logger->debug('Received a federation invite but federation is disabled');
@@ -152,6 +154,7 @@ class CalendarFederationProvider implements ICloudFederationProvider {
 		return (string)$calendar->getId();
 	}
 
+	#[\Override]
 	public function notificationReceived(
 		$notificationType,
 		$providerId,
@@ -172,6 +175,7 @@ class CalendarFederationProvider implements ICloudFederationProvider {
 	/**
 	 * @return string[]
 	 */
+	#[\Override]
 	public function getSupportedShareTypes(): array {
 		return [self::USER_SHARE_TYPE];
 	}

apps/dav/lib/CalDAV/Federation/FederatedCalendar.php

@@ -47,6 +47,7 @@ class FederatedCalendar implements ICalendar, IProperties, IMultiGet {
 		return $this->federationInfo->getId();
 	}
 
+	#[\Override]
 	public function getName(): string {
 		return $this->federationInfo->getUri();
 	}
@@ -54,6 +55,7 @@ class FederatedCalendar implements ICalendar, IProperties, IMultiGet {
 	/**
 	 * @param string $name Name of the file
 	 */
+	#[\Override]
 	public function setName($name): void {
 		throw new MethodNotAllowed('Renaming federated calendars is not allowed');
 	}
@@ -66,10 +68,12 @@ class FederatedCalendar implements ICalendar, IProperties, IMultiGet {
 		return $this->federationInfo->getPrincipaluri();
 	}
 
+	#[\Override]
 	public function getOwner(): ?string {
 		return $this->federationInfo->getSharedByPrincipal();
 	}
 
+	#[\Override]
 	public function getGroup(): ?string {
 		return null;
 	}
@@ -77,6 +81,7 @@ class FederatedCalendar implements ICalendar, IProperties, IMultiGet {
 	/**
 	 * @return array<array-key, mixed>
 	 */
+	#[\Override]
 	public function getACL(): array {
 		if ($this->calendarACL !== null) {
 			return $this->calendarACL;
@@ -135,10 +140,12 @@ class FederatedCalendar implements ICalendar, IProperties, IMultiGet {
 		return $acl;
 	}
 
+	#[\Override]
 	public function setACL(array $acl): void {
 		throw new MethodNotAllowed('Changing ACLs on federated calendars is not allowed');
 	}
 
+	#[\Override]
 	public function getSupportedPrivilegeSet(): ?array {
 		return null;
 	}
@@ -146,6 +153,7 @@ class FederatedCalendar implements ICalendar, IProperties, IMultiGet {
 	/**
 	 * @return array<string, mixed> properties array, with property name as key
 	 */
+	#[\Override]
 	public function getProperties($properties): array {
 		return [
 			self::DAV_PROPERTY_CALENDAR_LABEL => $this->federationInfo->getDisplayName(),
@@ -154,6 +162,7 @@ class FederatedCalendar implements ICalendar, IProperties, IMultiGet {
 		];
 	}
 
+	#[\Override]
 	public function propPatch(PropPatch $propPatch): void {
 		$mutations = $propPatch->getMutations();
 		if (count($mutations) > 0) {
@@ -176,10 +185,12 @@ class FederatedCalendar implements ICalendar, IProperties, IMultiGet {
 		return $this->getACL();
 	}
 
+	#[\Override]
 	public function getLastModified(): ?int {
 		return $this->federationInfo->getLastSync();
 	}
 
+	#[\Override]
 	public function delete(): void {
 		$this->federatedCalendarMapper->deleteById($this->getResourceId());
 	}
@@ -187,10 +198,12 @@ class FederatedCalendar implements ICalendar, IProperties, IMultiGet {
 	/**
 	 * @param string $name Name of the file
 	 */
+	#[\Override]
 	public function createDirectory($name): void {
 		throw new MethodNotAllowed('Creating nested collection is not allowed');
 	}
 
+	#[\Override]
 	public function calendarQuery(array $filters): array {
 		$uris = $this->caldavBackend->calendarQuery($this->federationInfo->getId(), $filters, $this->getCalendarType());
 		return $uris;
@@ -199,6 +212,7 @@ class FederatedCalendar implements ICalendar, IProperties, IMultiGet {
 	/**
 	 * @param string $name Name of the file
 	 */
+	#[\Override]
 	public function getChild($name): INode {
 		$obj = $this->caldavBackend->getCalendarObject($this->federationInfo->getId(), $name, $this->getCalendarType());
 
@@ -212,6 +226,7 @@ class FederatedCalendar implements ICalendar, IProperties, IMultiGet {
 	/**
 	 * @return array<INode>
 	 */
+	#[\Override]
 	public function getChildren(): array {
 		$objs = $this->caldavBackend->getCalendarObjects($this->federationInfo->getId(), $this->getCalendarType());
 
@@ -228,6 +243,7 @@ class FederatedCalendar implements ICalendar, IProperties, IMultiGet {
 	 *
 	 * @return array<INode>
 	 */
+	#[\Override]
 	public function getMultipleChildren(array $paths): array {
 		$objs = $this->caldavBackend->getMultipleCalendarObjects($this->federationInfo->getId(), $paths, $this->getCalendarType());
 
@@ -242,6 +258,7 @@ class FederatedCalendar implements ICalendar, IProperties, IMultiGet {
 	/**
 	 * @param string $name Name of the file
 	 */
+	#[\Override]
 	public function childExists($name): bool {
 		$obj = $this->caldavBackend->getCalendarObject($this->federationInfo->getId(), $name, $this->getCalendarType());
 		return $obj !== null;
@@ -251,6 +268,7 @@ class FederatedCalendar implements ICalendar, IProperties, IMultiGet {
 	 * @param string $name Name of the file
 	 * @param resource|string $data Initial payload
 	 */
+	#[\Override]
 	public function createFile($name, $data = null): string {
 		if (is_resource($data)) {
 			$data = stream_get_contents($data);

apps/dav/lib/CalDAV/Federation/FederatedCalendarAuth.php

@@ -57,6 +57,7 @@ class FederatedCalendarAuth implements BackendInterface {
 		return null;
 	}
 
+	#[\Override]
 	public function check(RequestInterface $request, ResponseInterface $response): array {
 		if (!str_starts_with($request->getPath(), 'remote-calendars/')) {
 			return [false, 'This request is not for a federated calendar'];
@@ -75,6 +76,7 @@ class FederatedCalendarAuth implements BackendInterface {
 		return [true, $principal];
 	}
 
+	#[\Override]
 	public function challenge(RequestInterface $request, ResponseInterface $response): void {
 		// No special challenge is needed here
 	}

apps/dav/lib/CalDAV/Federation/FederatedCalendarImpl.php

@@ -23,22 +23,27 @@ class FederatedCalendarImpl implements ICalendar, ICalendarIsShared, ICalendarIs
 	) {
 	}
 
+	#[\Override]
 	public function getKey(): string {
 		return (string)$this->calendarInfo['id'];
 	}
 
+	#[\Override]
 	public function getUri(): string {
 		return $this->calendarInfo['uri'];
 	}
 
+	#[\Override]
 	public function getDisplayName(): ?string {
 		return $this->calendarInfo['{DAV:}displayname'];
 	}
 
+	#[\Override]
 	public function getDisplayColor(): ?string {
 		return $this->calendarInfo['{http://apple.com/ns/ical/}calendar-color'];
 	}
 
+	#[\Override]
 	public function search(string $pattern, array $searchProperties = [], array $options = [], ?int $limit = null, ?int $offset = null): array {
 		return $this->calDavBackend->search(
 			$this->calendarInfo,
@@ -50,23 +55,28 @@ class FederatedCalendarImpl implements ICalendar, ICalendarIsShared, ICalendarIs
 		);
 	}
 
+	#[\Override]
 	public function getPermissions(): int {
 		return $this->calendarInfo['{http://owncloud.org/ns}permissions'] ?? Constants::PERMISSION_READ;
 	}
 
+	#[\Override]
 	public function isDeleted(): bool {
 		return false;
 	}
 
+	#[\Override]
 	public function isShared(): bool {
 		return true;
 	}
 
+	#[\Override]
 	public function isWritable(): bool {
 		$permissions = $this->getPermissions();
 		return ($permissions & Constants::PERMISSION_UPDATE) !== 0;
 	}
 
+	#[\Override]
 	public function isEnabled(): bool {
 		return $this->calendarInfo['{http://owncloud.org/ns}calendar-enabled'] ?? true;
 	}

apps/dav/lib/CalDAV/Federation/FederatedCalendarObject.php

@@ -21,6 +21,7 @@ class FederatedCalendarObject implements ICalendarObject, IACL {
 	) {
 	}
 
+	#[\Override]
 	public function getName(): string {
 		return $this->objectData['uri'];
 	}
@@ -28,10 +29,12 @@ class FederatedCalendarObject implements ICalendarObject, IACL {
 	/**
 	 * @param string $name Name of the file
 	 */
+	#[\Override]
 	public function setName($name) {
 		throw new \Exception('Not implemented');
 	}
 
+	#[\Override]
 	public function get(): string {
 		return $this->objectData['calendardata'];
 	}
@@ -39,6 +42,7 @@ class FederatedCalendarObject implements ICalendarObject, IACL {
 	/**
 	 * @param resource|string $data contents of the file
 	 */
+	#[\Override]
 	public function put($data): string {
 
 		$etag = $this->calendarObject->updateFile($this->objectData['uri'], $data);
@@ -48,10 +52,12 @@ class FederatedCalendarObject implements ICalendarObject, IACL {
 		return $etag;
 	}
 
+	#[\Override]
 	public function delete(): void {
 		$this->calendarObject->deleteFile($this->objectData['uri']);
 	}
 
+	#[\Override]
 	public function getContentType(): ?string {
 		$mime = 'text/calendar; charset=utf-8';
 		if (isset($this->objectData['component']) && $this->objectData['component']) {
@@ -61,6 +67,7 @@ class FederatedCalendarObject implements ICalendarObject, IACL {
 		return $mime;
 	}
 
+	#[\Override]
 	public function getETag(): string {
 		if (isset($this->objectData['etag'])) {
 			return $this->objectData['etag'];
@@ -69,10 +76,12 @@ class FederatedCalendarObject implements ICalendarObject, IACL {
 		}
 	}
 
+	#[\Override]
 	public function getLastModified(): int {
 		return $this->objectData['lastmodified'];
 	}
 
+	#[\Override]
 	public function getSize(): int {
 		if (isset($this->objectData['size'])) {
 			return $this->objectData['size'];
@@ -81,10 +90,12 @@ class FederatedCalendarObject implements ICalendarObject, IACL {
 		}
 	}
 
+	#[\Override]
 	public function getOwner(): ?string {
 		return $this->calendarObject->getPrincipalURI();
 	}
 
+	#[\Override]
 	public function getGroup(): ?string {
 		return null;
 	}
@@ -92,14 +103,17 @@ class FederatedCalendarObject implements ICalendarObject, IACL {
 	/**
 	 * @return array<array-key, mixed>
 	 */
+	#[\Override]
 	public function getACL(): array {
 		return $this->calendarObject->getACL();
 	}
 
+	#[\Override]
 	public function setACL(array $acl): void {
 		throw new MethodNotAllowed('Changing ACLs on federated events is not allowed');
 	}
 
+	#[\Override]
 	public function getSupportedPrivilegeSet(): ?array {
 		return null;
 	}

apps/dav/lib/CalDAV/Federation/RemoteUserCalendarHome.php

@@ -28,6 +28,7 @@ class RemoteUserCalendarHome extends CalendarHome {
 		parent::__construct($caldavBackend, $principalInfo);
 	}
 
+	#[\Override]
 	public function getChild($name) {
 		// Remote users can only have incoming shared calendars so we can skip the rest of a regular
 		// calendar home
@@ -46,6 +47,7 @@ class RemoteUserCalendarHome extends CalendarHome {
 		throw new NotFound("Node with name $name could not be found");
 	}
 
+	#[\Override]
 	public function getChildren(): array {
 		$objects = [];
 

apps/dav/lib/CalDAV/ICSExportPlugin/ICSExportPlugin.php

@@ -34,6 +34,7 @@ class ICSExportPlugin extends \Sabre\CalDAV\ICSExportPlugin {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	protected function generateResponse($path, $start, $end, $expand, $componentType, $format, $properties, ResponseInterface $response) {
 		if (!isset($properties['{http://nextcloud.com/ns}refresh-interval'])) {
 			$value = $this->config->getAppValue('dav', 'defaultRefreshIntervalExportedCalendars', self::DEFAULT_REFRESH_INTERVAL);
@@ -46,6 +47,7 @@ class ICSExportPlugin extends \Sabre\CalDAV\ICSExportPlugin {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function mergeObjects(array $properties, array $inputObjects) {
 		$vcalendar = parent::mergeObjects($properties, $inputObjects);
 

apps/dav/lib/CalDAV/Integration/ExternalCalendar.php

@@ -50,6 +50,7 @@ abstract class ExternalCalendar implements CalDAV\ICalendar, DAV\IProperties {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	final public function getName() {
 		return implode(self::DELIMITER, [
 			self::PREFIX,
@@ -61,6 +62,7 @@ abstract class ExternalCalendar implements CalDAV\ICalendar, DAV\IProperties {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	final public function setName($name) {
 		throw new DAV\Exception\MethodNotAllowed('Renaming calendars is not yet supported');
 	}
@@ -68,6 +70,7 @@ abstract class ExternalCalendar implements CalDAV\ICalendar, DAV\IProperties {
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	final public function createDirectory($name) {
 		throw new DAV\Exception\MethodNotAllowed('Creating collections in calendar objects is not allowed');
 	}

apps/dav/lib/CalDAV/Outbox.php

@@ -46,6 +46,7 @@ class Outbox extends \Sabre\CalDAV\Schedule\Outbox {
 	 *
 	 * @return array
 	 */
+	#[\Override]
 	public function getACL() {
 		// getACL is called so frequently that we cache the config result
 		if ($this->disableFreeBusy === null) {

apps/dav/lib/CalDAV/Plugin.php

@@ -20,6 +20,7 @@ class Plugin extends \Sabre\CalDAV\Plugin {
 	 * @param string $principalUrl
 	 * @return string|null
 	 */
+	#[\Override]
 	public function getCalendarHomeForPrincipal($principalUrl) {
 		if (strrpos($principalUrl, 'principals/users', -strlen($principalUrl)) !== false) {
 			[, $principalId] = \Sabre\Uri\split($principalUrl);

apps/dav/lib/CalDAV/Principal/Collection.php

@@ -19,6 +19,7 @@ class Collection extends \Sabre\CalDAV\Principal\Collection {
 	 * @param array $principalInfo
 	 * @return User
 	 */
+	#[\Override]
 	public function getChildForPrincipal(array $principalInfo) {
 		return new User($this->principalBackend, $principalInfo);
 	}

apps/dav/lib/CalDAV/Principal/ProxyRead.php

@@ -17,6 +17,7 @@ class ProxyRead extends \Sabre\CalDAV\Principal\ProxyRead implements DAVACL\IACL
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function getOwner() {
 		return $this->principalInfo['uri'];
 	}

apps/dav/lib/CalDAV/Principal/ProxyWrite.php

@@ -17,6 +17,7 @@ class ProxyWrite extends \Sabre\CalDAV\Principal\ProxyWrite implements DAVACL\IA
 	/**
 	 * @inheritDoc
 	 */
+	#[\Override]
 	public function getOwner() {
 		return $this->principalInfo['uri'];
 	}

apps/dav/lib/CalDAV/Principal/User.php

@@ -27,6 +27,7 @@ class User extends \Sabre\CalDAV\Principal\User {
 	 *
 	 * @return array
 	 */
+	#[\Override]
 	public function getACL() {
 		$acl = parent::getACL();
 		$acl[] = [
@@ -44,6 +45,7 @@ class User extends \Sabre\CalDAV\Principal\User {
 	 *
 	 * @return \Sabre\DAV\INode
 	 */
+	#[\Override]
 	public function getChild($name) {
 		$principal = $this->principalBackend->getPrincipalByPath($this->getPrincipalURL() . '/' . $name);
 		if (!$principal) {
@@ -65,6 +67,7 @@ class User extends \Sabre\CalDAV\Principal\User {
 	 *
 	 * @return \Sabre\DAV\INode[]
 	 */
+	#[\Override]
 	public function getChildren() {
 		$r = [];
 		if ($this->principalBackend->getPrincipalByPath($this->getPrincipalURL() . '/calendar-proxy-read')) {

apps/dav/lib/CalDAV/PublicCalendar.php

@@ -15,6 +15,7 @@ class PublicCalendar extends Calendar {
 	 * @throws NotFound
 	 * @return PublicCalendarObject
 	 */
+	#[\Override]
 	public function getChild($name) {
 		$obj = $this->caldavBackend->getCalendarObject($this->calendarInfo['id'], $name);
 
@@ -32,6 +33,7 @@ class PublicCalendar extends Calendar {
 	/**
 	 * @return PublicCalendarObject[]
 	 */
+	#[\Override]
 	public function getChildren() {
 		$objs = $this->caldavBackend->getCalendarObjects($this->calendarInfo['id']);
 		$children = [];
@@ -49,6 +51,7 @@ class PublicCalendar extends Calendar {
 	 * @param string[] $paths
 	 * @return PublicCalendarObject[]
 	 */
+	#[\Override]
 	public function getMultipleChildren(array $paths) {
 		$objs = $this->caldavBackend->getMultipleCalendarObjects($this->calendarInfo['id'], $paths);
 		$children = [];
@@ -66,6 +69,7 @@ class PublicCalendar extends Calendar {
 	 * public calendars are always shared
 	 * @return bool
 	 */
+	#[\Override]
 	public function isShared() {
 		return true;
 	}

apps/dav/lib/CalDAV/PublicCalendarObject.php

@@ -14,6 +14,7 @@ class PublicCalendarObject extends CalendarObject {
 	 * public calendars are always shared
 	 * @return bool
 	 */
+	#[\Override]
 	protected function isShared() {
 		return true;
 	}