logger.warn("Failed to set SessionTrackingMode.", t);
        }

        split(fessConfig.getQueryFacetQueries(), "\n").of(stream -> stream.map(String::trim).filter(StringUtil::isNotEmpty).forEach(s -> {
            final String[] values = StringUtils.split(s, ":", 2);
            if (values.length != 2) {
                return;
            }

          append(scheme)
          append("://")
        } else {
          append("//")
        }

        if (encodedUsername.isNotEmpty() || encodedPassword.isNotEmpty()) {
          append(encodedUsername)
          if (encodedPassword.isNotEmpty()) {
            append(':')
            append(encodedPassword)
          }
          append('@')
        }

        if (host != null) {

        if (list == null) {
            list = split(getApiCorsAllowOrigin(), "\n")
                    .get(stream -> stream.map(String::trim).filter(StringUtil::isNotEmpty).collect(Collectors.toList()));
            propMap.put(CORS_ALLOW_ORIGIN, list);
        }
        return list;
    }

    String getIndexerLanguageFields();

     *
     * @param collection the collection
     * @return {@literal true} if the collection is not {@literal null} and not empty
     */
    public static boolean isNotEmpty(final Collection<?> collection) {
        return !isEmpty(collection);
    }

    /**
     * Returns {@literal true} if the given {@link Map} is {@literal null} or empty.
     *

     */
    protected static String constructRedirectLocation(final String url, final String location) {
        try {
            URI uri = new URI(url);
            if (StringUtil.isNotEmpty(location)) {
                uri = uri.resolve(location.replace(" ", "%20"));
            }
            return uri.normalize().toASCIIString();
        } catch (URISyntaxException e) {