diff --git a/lib/private/Files/Cache/QuerySearchHelper.php b/lib/private/Files/Cache/QuerySearchHelper.php
index 30b3c7225ac00..a0914e7e8ed2f 100644
--- a/lib/private/Files/Cache/QuerySearchHelper.php
+++ b/lib/private/Files/Cache/QuerySearchHelper.php
@@ -35,6 +35,7 @@
 use OCP\Files\Cache\ICacheEntry;
 use OCP\Files\Folder;
 use OCP\Files\IMimeTypeLoader;
+use OCP\Files\IRootFolder;
 use OCP\Files\Mount\IMountPoint;
 use OCP\Files\Search\ISearchBinaryOperator;
 use OCP\Files\Search\ISearchQuery;
@@ -198,7 +199,7 @@ public function searchInCaches(ISearchQuery $searchQuery, array $caches): array
 	/**
 	 * @return array{array<string, ICache>, array<string, IMountPoint>}
 	 */
-	public function getCachesAndMountPointsForSearch(Root $root, string $path, bool $limitToHome = false): array {
+	public function getCachesAndMountPointsForSearch(IRootFolder $root, string $path, bool $limitToHome = false): array {
 		$rootLength = strlen($path);
 		$mount = $root->getMount($path);
 		$storage = $mount->getStorage();
diff --git a/lib/public/Files/IRootFolder.php b/lib/public/Files/IRootFolder.php
index 452c0fd31573b..91d14f3cad972 100644
--- a/lib/public/Files/IRootFolder.php
+++ b/lib/public/Files/IRootFolder.php
@@ -55,4 +55,40 @@ public function getUserFolder($userId);
 	 * @since 24.0.0
 	 */
 	public function getByIdInPath(int $id, string $path);
+
+	/**
+	 * @param \OC\Files\Storage\Storage $storage
+	 * @param string $mountPoint
+	 * @param array $arguments
+	 */
+	public function mount($storage, $mountPoint, $arguments = []);
+
+	/**
+	 * @param string $mountPoint
+	 * @return \OC\Files\Mount\MountPoint
+	 */
+	public function getMount($mountPoint);
+
+	/**
+	 * @param string $mountPoint
+	 * @return \OC\Files\Mount\MountPoint[]
+	 */
+	public function getMountsIn($mountPoint);
+
+	/**
+	 * @param string $storageId
+	 * @return \OC\Files\Mount\MountPoint[]
+	 */
+	public function getMountByStorageId($storageId);
+
+	/**
+	 * @param int $numericId
+	 * @return MountPoint[]
+	 */
+	public function getMountByNumericStorageId($numericId);
+
+	/**
+	 * @param \OC\Files\Mount\MountPoint $mount
+	 */
+	public function unMount($mount);
 }