this.properties = Collections.unmodifiableMap(properties);
    }

    @Override
    public String id() {
        return id;
    }

    @Override
    public Language getLanguage() {
        return language;
    }

    @Override
    public String getExtension() {
        return extension;
    }

    @Override
    public String getClassifier() {
        return classifier;

                if (req.getAttribute(LastaWebKey.USER_LOCALE_KEY) instanceof Locale locale) {
                    return locale;
                }
                return Locale.ENGLISH;
            }).orElse(Locale.ENGLISH).getLanguage() + "\">";
        }
        return "</html>";
    }

    /**
     * Checks if a label with the specified key exists in the current request's label map.
     *
     * @param value the label key to check

        if (targetLocale.equals(requestLocale) || targetLocale.equals(Locale.ROOT)) {
            return true;
        }
        if (requestLocale == null || !requestLocale.getLanguage().equals(targetLocale.getLanguage())
                || targetLocale.getCountry().length() > 0 && !requestLocale.getCountry().equals(targetLocale.getCountry())) {
            return false;
        }
        return true;
    }

        // Verify
        assertTrue(result.isPresent());
        Locale locale = result.get();
        assertEquals("no", locale.getLanguage());
        assertEquals("NO", locale.getCountry());
        assertEquals("NY", locale.getVariant());
    }

    // Test findBusinessLocale with case sensitivity
    @Test

        if (logger.isDebugEnabled()) {
            logger.debug("detected lang:{}({}) from {}", result, result.getRawScore(), target);
        }
        return getSupportedLanguage(result.getLanguage());
    }

    /**
     * Returns the text to be used for language detection.
     *
     * @param text The original text.
     * @return The text for language detection.
     */

            return null;
        }
        String target = null;
        final Locale locale = ComponentUtil.getRequestManager().getUserLocale();
        if (locale != null) {
            final String lang = locale.getLanguage();
            if (ComponentUtil.getFessConfig().isOnlineHelpSupportedLang(lang)) {
                target = lang.toUpperCase(Locale.ROOT);
            }
        }

     * @return the localized page path
     */
    public String getPagePath(final String page) {
        final Locale locale = ComponentUtil.getRequestManager().getUserLocale();
        final String lang = locale.getLanguage();
        final String country = locale.getCountry();

        final String pathLC = getLocalizedPagePath(page, lang, country);
        final String pLC = pageCacheMap.get(pathLC);
        if (pLC != 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)) {
                if (StringUtil.isNotBlank(country)) {

     */
    protected String getLanguageInstruction() {
        final Locale locale = getUserLocale();
        final String language = locale.getLanguage();
        if ("en".equals(language)) {
            return StringUtil.EMPTY;
        }
        return "IMPORTANT: You MUST respond in " + locale.getDisplayLanguage(Locale.ENGLISH) + ".";
    }

    /**

    }

    // Test getLanguages method
    @Test
    public void test_getLanguages_fromParams() {
        SearchRequestParams params = createMockSearchRequestParams();
        ((MockSearchRequestParams) params).setLanguages(new String[] { "en", "ja" });

        try {
            String[] languages = searchHelper.getLanguages(getMockRequest(), params);

            assertNotNull(languages);