public function toString()
    {
        $response = Parser\ResponseParser::buildStatusLine($this) . Http::NEW_LINE;
        $headers  = Parser\ResponseParser::buildHeaderFromMessage($this);

        foreach ($headers as $header) {
            $response.= $header . Http::NEW_LINE;
        }

        $response.= Http::NEW_LINE;
        $response.= (string) $this->getBody();

        return $response;
    }