diff --git a/lib/public/Collaboration/Resources/IManager.php b/lib/public/Collaboration/Resources/IManager.php
index af371f7b4f0..050326d91c4 100644
--- a/lib/public/Collaboration/Resources/IManager.php
+++ b/lib/public/Collaboration/Resources/IManager.php
@@ -63,6 +63,25 @@ interface IManager extends IProvider {
 	 */
 	public function canAccessCollection(ICollection $collection, ?IUser $user): bool;
 
+	/**
+	 * @param IUser|null $user
+	 * @since 16.0.0
+	 */
+	public function invalidateAccessCacheForUser(?IUser $user): void;
+
+	/**
+	 * @param IResource $resource
+	 * @since 16.0.0
+	 */
+	public function invalidateAccessCacheForResource(IResource $resource): void;
+
+	/**
+	 * @param IResource $resource
+	 * @param IUser|null $user
+	 * @since 16.0.0
+	 */
+	public function invalidateAccessCacheForResourceByUser(IResource $resource, ?IUser $user): void;
+
 	/**
 	 * @param string $type
 	 * @param string $id