}

    String getOnlineHelpSupportedLangs();

    default boolean isOnlineHelpSupportedLang(final String lang) {
        if (StringUtil.isBlank(getOnlineHelpSupportedLangs())) {
            return false;
        }
        return split(getOnlineHelpSupportedLangs(), ",").get(stream -> stream.filter(StringUtil::isNotBlank).anyMatch(s -> s.equals(lang)));
    }