public function MetaTags(&$tags)
    {
        if ($code = GoogleAPI::singleton()->getVerificationCode()) {
            
            // Add New Line (if does not exist):
            
            if (!preg_match('/[\n]$/', $tags)) {
                $tags .= "\n";
            }
            
            // Add Verification Code Meta Tag:
            
            $tags .= sprintf(
                "<meta name=\"%s\" content=\"%s\" />\n",
                self::VERIFICATION_TAG_NAME,
                Convert::raw2att($code)
            );
            
        }
    }