return split(getSupportedLanguages(), ",").get(stream -> stream.filter(StringUtil::isNotBlank).toArray(n -> new String[n]));
    }

    String getOnlineHelpSupportedLangs();

    default boolean isOnlineHelpSupportedLang(final String lang) {
        if (StringUtil.isBlank(getOnlineHelpSupportedLangs())) {
            return false;
        }