/**
  * {@inheritdoc}
  */
 public function filterRuntimeAction(Request $request, $hash, $path, $filter)
 {
     if ($request->query->has('originalExtension')) {
         $info = pathinfo($path);
         $path = $info['dirname'] . DIRECTORY_SEPARATOR . $info['filename'] . '.' . $request->query->getAlpha('originalExtension');
     }
     return parent::filterRuntimeAction($request, $hash, $path, $filter);
 }