private static function middleware()
    {
        $files = ['Filters', 'Middleware'];
        $folder = static::$root.'Http/Middleware'.'/';

        self::call($files, $folder);

        $files = ['MiddlewareNotFoundException', 'MiddlewareWallException'];
        $folder = static::$root.'Http/Middleware/Exceptions'.'/';

        self::call($files, $folder);
    }