nextcloud-server/apps/files_sharing/lib/External/Watcher.php

<?php
/**
 * SPDX-FileCopyrightText: 2019-2024 Nextcloud GmbH and Nextcloud contributors
 * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
 * SPDX-License-Identifier: AGPL-3.0-only
 */
namespace OCA\Files_Sharing\External;

class Watcher extends \OC\Files\Cache\Watcher {
	/**
	 * remove deleted files in $path from the cache
	 *
	 * @param string $path
	 */
	public function cleanFolder($path) {
		// not needed, the scanner takes care of this
	}
}