public function hasService(/*# string */ $id = '')/*# : bool */
    {
        $sid = $this->getSectionId($id);

        // direct match
        if ($this->has($sid)) {
            return true;
        }

        // autoclass
        if ($this->autoClassName($id)) {
            return true;
        }

        // translation
        if ($this->serviceTranslation($id)) {
            return true;
        }

        return false;
    }