From 016f99276b1014748a4dd9a9bc5666f8d7a3cc4b Mon Sep 17 00:00:00 2001
From: Robin Appelman <robin@icewind.nl>
Date: Tue, 16 Nov 2021 18:06:46 +0100
Subject: [PATCH] teach psalm about `Storage::instanceOfStorage`

Signed-off-by: Robin Appelman <robin@icewind.nl>
---
 lib/public/Files/Storage.php | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/public/Files/Storage.php b/lib/public/Files/Storage.php
index c9e72983231..bb1adec3cc1 100644
--- a/lib/public/Files/Storage.php
+++ b/lib/public/Files/Storage.php
@@ -374,9 +374,12 @@ interface Storage extends IStorage {
 	/**
 	 * Check if the storage is an instance of $class or is a wrapper for a storage that is an instance of $class
 	 *
+	 * @template T of IStorage
 	 * @param string $class
+	 * @psalm-param class-string<T> $class
 	 * @return bool
 	 * @since 7.0.0
+	 * @psalm-assert-if-true T $this
 	 */
 	public function instanceOfStorage($class);