private static function getSassBundleContent(\stdClass $bundle): string
    {
        $bundleContent = '';
        if (sizeof($bundle->files) == 0) {
            return $bundleContent;
        }
        
        foreach ($bundle->files as $preloaded) {
            if (DEBUG) {
                $bundleContent .= "/* {$preloaded->name} */" . CHAR_CRLF;
            }
            $content = File::getContent($preloaded->path);
            $bundleContent .= SassUtils::compileSassContent($content, $preloaded->directory, DIR_PUBLIC) . CHAR_CRLF . CHAR_CRLF;
        }
        
        return $bundleContent;
    }