* The URL returned is of the form of the form mwstore://backend/container/wiki/id
*
* @see ExternalStoreMedium::fetchFromURL()
+ * @param string $url
+ * @return bool
*/
public function fetchFromURL( $url ) {
$be = FileBackendGroup::singleton()->backendFromPath( $url );
/**
* @see ExternalStoreMedium::store()
+ * @param string $backend
+ * @param string $data
+ * @return string|bool
+ * @throws MWException
*/
public function store( $backend, $data ) {
$be = FileBackendGroup::singleton()->get( $backend );