public function delete($request, $match)
    {
        $model = Pluf_Shortcuts_GetObjectOr404('User_Role', $match['id']);
        $model2 = new User_Role($match['id']);
        if ($model->delete()) {
            return new Pluf_HTTP_Response_Json($model2);
        }
        throw new Pluf_HTTP_Error500('Unexpected error while removing role: ' . $model2->code_name);
    }