/**
* Returns true if the response is "fresh".
*
* Fresh responses may be served from cache without any interaction with the
* origin. A response is considered fresh when it includes a Cache-Control/max-age
* indicator or Expires header and the calculated age is less than the freshness lifetime.
*
* @return bool true if the response is fresh, false otherwise
*
* @api
*/
public function isFresh()
{
return parent::isFresh();
}
