public static function list_templates($component, $search, $themename = '') {
        $params = self::validate_parameters(self::list_templates_parameters(),
                                            array(
                                                'component' => $component,
                                                'search' => $search,
                                                'themename' => $themename,
                                            ));

        return api::list_templates($component, $search, $themename);
    }