private static function init()
    {
        if (!self::$defaultLng) {
            $config = Application::getConfigManager()->loadForModule('Cmf\Language');
            self::$defaultLng = strtolower($config->defaultLanguage);
            $currentLng = $config->currentLanguage;
            self::$currentLng = $currentLng ? strtolower($currentLng) : strtolower($config->defaultLanguage);
        }
    }