private static function getBundleContent(\stdClass $bundle): string
    {
        $bundleContent = '';
        switch ($bundle->type) {
            case 'sass':
            case 'scss':
                $bundleContent = self::getSassBundleContent($bundle);
                break;
            case 'css':
            case 'stylesheet':
            case 'javascript':
            case 'js':
                $bundleContent = self::getPlainBundleContent($bundle, true);
                break;
            default:
                $bundleContent = self::getPlainBundleContent($bundle);
                break;
        }
        
        return $bundleContent;
    }