* This only acts on the current version of files, not any old versions.
* May use either the database or the filesystem.
*
- * @param array|string $callback
+ * @param callable $callback
* @return void
*/
public function enumFiles( $callback ) {
* Call a callback function for every public file in the repository.
* May use either the database or the filesystem.
*
- * @param array|string $callback
+ * @param callable $callback
* @return void
*/
protected function enumFilesInStorage( $callback ) {