public function getDictionary() {
        if (!Zend_Registry::isRegistered('Zend_Translate')) {
            throw new Garp_Content_Api_Rest_Exception(
                self::EXCEPTION_NO_DICTIONARY
            );
        }
        $out = array(
            'results' => Zend_Registry::get('Zend_Translate')->getMessages(),
            'success' => true
        );
        return $this->_formatResponse($out, 200);
    }