return null;
    }

    @Override
    public ConditionBean addOrderBy_PK_Desc() {
        return null;
    }

    @Override
    public HpColumnSpHandler localSp() {
        return null;
    }

    @Override
    public void enableInnerJoinAutoDetect() {
        // do nothing
    }

    @Override
    public void disableInnerJoinAutoDetect() {

        return null;
    }

    @Override
    public ConditionBean addOrderBy_PK_Desc() {
        return null;
    }

    @Override
    public HpColumnSpHandler localSp() {
        return null;
    }

    @Override
    public void enableInnerJoinAutoDetect() {
        // do nothing
    }

    @Override
    public void disableInnerJoinAutoDetect() {

        return null;
    }

    @Override
    public ConditionBean addOrderBy_PK_Desc() {
        return null;
    }

    @Override
    public HpColumnSpHandler localSp() {
        return null;
    }

    @Override
    public void enableInnerJoinAutoDetect() {
        // do nothing
    }

    @Override
    public void disableInnerJoinAutoDetect() {

    }

    @Test
    void testLocaleIndependent() {
        Locale orig = Locale.getDefault();
        Locale[] locales = {Locale.ENGLISH, new Locale("tr"), Locale.getDefault()};
        try {
            for (Locale locale : locales) {
                Locale.setDefault(locale);
                checkVersionsEqual("1-abcdefghijklmnopqrstuvwxyz", "1-ABCDEFGHIJKLMNOPQRSTUVWXYZ");
            }

            }
        };

        assertEquals(Locale.ROOT, fessConfig.getQueryLocaleFromName(null));
        assertEquals(Locale.ROOT, fessConfig.getQueryLocaleFromName(""));
        assertEquals(Locale.ROOT, fessConfig.getQueryLocaleFromName("ja"));
        assertEquals(Locale.JAPANESE, fessConfig.getQueryLocaleFromName("test_ja"));
        assertEquals(Locale.CHINESE, fessConfig.getQueryLocaleFromName("test_zh"));

        // Test with various locale configurations
        Locale[] testLocales = { Locale.US, Locale.UK, Locale.CANADA, Locale.FRANCE, Locale.CHINA, Locale.KOREA, new Locale("es", "ES"),
                new Locale("pt", "BR") };

        for (Locale locale : testLocales) {
            OptionalThing<String> result = provider.determineAlias(locale);

    }

    private void establishChannel(int index) throws IOException {
        // Select interfaces for this channel
        NetworkInterfaceInfo localIf = selectLocalInterface(index);
        NetworkInterfaceInfo remoteIf = selectRemoteInterface(index);

        if (localIf == null || remoteIf == null) {
            log.warn("Cannot select interfaces for channel {}", index);
            return;
        }

            return normalizeQueryLanguages(requestLangs);
        }

        if (locales == null) {
            return StringUtil.EMPTY_STRINGS;
        }

        return normalizeQueryLanguages(Collections.list(locales).stream().map(locale -> {
            final String language = locale.getLanguage();
            final String country = locale.getCountry();
            if (StringUtil.isNotBlank(language)) {

        // Select interfaces for this channel
        NetworkInterfaceInfo localIf = selectLocalInterface(index);
        NetworkInterfaceInfo remoteIf = selectRemoteInterface(index);
        
        // Create transport for this channel
        SmbTransport transport = createTransport(localIf, remoteIf);
        
        // Create channel info

            final Set<String> langSet = new HashSet<>();
            final Enumeration<Locale> locales = request.getLocales();
            if (locales != null) {
                while (locales.hasMoreElements()) {
                    final Locale locale = locales.nextElement();
                    final String normalizeLang = systemHelper.normalizeLang(locale.toString());
                    if (normalizeLang != null) {