/** * Modifies the response so that it conforms to the rules defined for a 304 status code. * * This sets the status, removes the body, and discards any headers * that MUST NOT be included in 304 responses. * * @return Response * * @see http://tools.ietf.org/html/rfc2616#section-10.3.5 * * @api */ public function setNotModified() { return parent::setNotModified(); }