public static function reload_template_parameters() {
        return new external_function_parameters(
            array(
                'component' => new external_value(PARAM_COMPONENT, 'component', VALUE_REQUIRED),
                'area' => new external_value(PARAM_ALPHANUMEXT, 'area', VALUE_REQUIRED),
                'itemid' => new external_value(PARAM_INT, 'itemid', VALUE_REQUIRED)
            )
        );
    }