/**
* Constructs a new instance.
*
* @param string $url
* The URL at which to continue the operation.
* @param \Symfony\Component\HttpFoundation\Response|null $response
* A response or NULL to default to a redirect to the provided URL.
*/
public function __construct($url, Response $response = null)
{
parent::__construct($url);
$this->response = $response;
}
