/**
  * Provide shortcuts to fields in the inner request.
  *
  * @param string $name
  *
  * @return mixed
  */
 public function __get($name)
 {
     if (in_array($name, ['query', 'request', 'files', 'headers'])) {
         return $this->request->{$name};
     }
     parent::__get($name);
 }