public static function import()
    {
        $extension = static::getInstance();

        if ($menu = $extension->menu()) {
            if ($extension->validateMenu($menu)) {
                extract($menu);
                static::createMenu($title, $path, $icon);
            }
        }

        if ($permission = $extension->permission()) {
            if ($extension->validatePermission($permission)) {
                extract($permission);
                static::createPermission($name, $slug, $path);
            }
        }
    }