public function questions_recode_response_data(
            $qtype, $newquestionid, $sequencenumber, array $response) {
        $qtyperestorer = $this->get_qtype_restorer($qtype);
        if ($qtyperestorer) {
            $response = $qtyperestorer->recode_response($newquestionid, $sequencenumber, $response);
        }
        return $response;
    }