/** * @param string $message * @param string|null $format * @param string|null $color * @param bool|null $notify * * @return Response */ public static function create($message, $format = null, $color = null, $notify = null) { $response = new self(); $response->setMessage($message); if ($format !== null) { $response->setMessageFormat($format); } if ($color !== null) { $response->setColor($color); } if ($notify !== null) { $response->setNotify($notify); } return $response; }