Mdb\PayPal\Ipn\Event\MessageVerificationEvent::__construct PHP Метод

    public function __construct(Message $message)
    {
        $this->message = $message;
    }

 /**
  * @param Message $message
  * @param $error
  */
 public function __construct(Message $message, $error)
 {
     $this->error = $error;
     parent::__construct($message);
 }