protected function getAssetSandboxSourceUrl(&$source, $group = null)
    {
        if (is_null(self::$sandboxPath)) {

            if (!Foundation::bound('antares.version')) {
                self::$sandboxPath = '';
            }
            $sandboxMode = app('request')->get('sandbox');
            if ($sandboxMode and $group !== 'inline') {
                $publicPath = Foundation::make('Antares\Updater\Contracts\Requirements')->setVersion($sandboxMode)->getPublicPath();
                $path       = last(explode(DIRECTORY_SEPARATOR, $publicPath));
                $source     = $path . '/' . $source;
            }
            return false;
        }
        return self::$sandboxPath;
    }