public function respondTo($formats)
 {
     if (isset($formats['html']) && Controller::wantsHtml()) {
         return $formats['html'];
     } else {
         return $formats['default'];
     }
 }
 /**
  * Determine if the session and input CSRF tokens match.
  *
  * @param  \Illuminate\Http\Request  $request
  * @return bool
  */
 protected function tokensMatch($request)
 {
     $tokensMatch = true;
     if (Controller::wantsHtml()) {
         $tokensMatch = parent::tokensMatch($request);
     }
     return $tokensMatch;
 }