/**
  * @param string $url
  * @param string $user
  * @param string $pass
  *
  * @return HttpTransport
  */
 public static function createTransportFromUrl($url, $user = null, $pass = null)
 {
     return HttpTransport::create($url, $user, $pass);
 }
 /**
  * @return HttpTransport
  */
 protected function getTransport()
 {
     return HttpTransport::create($this->url);
 }