public function __debugInfo()
{
return ['status' => $this->_status, 'contentType' => $this->_contentType, 'headers' => $this->_headers, 'file' => $this->_file, 'fileRange' => $this->_fileRange, 'cookies' => $this->_cookies, 'cacheDirectives' => $this->_cacheDirectives, 'body' => $this->_body];
}