protected function splitResponseToHeadersArrayAndBody(string $response): HttpResponseInterface
    {
        //        $tmp = explode("\r\n\r\n", $response, 2);
        //        var_export($tmp);
        list($headers, $this->body) = explode("\r\n\r\n", $response, 2);

        $this->headers = $this->getHeaderArray($headers);

        return $this;
    }