/**
  * Upload files.
  *
  * @Route("/upload", name="admin_activity_upload")
  */
 public function uploadAction(Request $request)
 {
     return parent::uploadAction($request);
 }
 /**
  * @Route("/autocomplete/request", name="admin_user_autocomplete_request", options={"expose"=true})
  * @Method("GET")
  */
 public function ajaxAction(Request $request)
 {
     return parent::ajaxAction($request);
 }