public function setResult($result = self::RESULT_SUCCESS,
                              $message = null,
                              array $data = [],
                              array $additional = [])
    {
        $this->headers->set('X-Phlexible-Response', 'result');

        $values = [
            'success' => $result,
            'msg' => $message,
            'data' => $data,
        ];

        if (is_array($additional) && count($additional)) {
            foreach ($additional as $key => $value) {
                $values += $additional;
            }
        }

        $this->setData($values);
    }