}
    }


    /**
     * @return
     */
    protected AuthenticationType guessAuthenticationType () {
        AuthenticationType t = AuthenticationType.USER;
        if ( "guest".equalsIgnoreCase(this.username) ) {
            t = AuthenticationType.GUEST;
        }
        else if ( ( getUserDomain() == null || getUserDomain().isEmpty() ) && getUsername().isEmpty() && ( getPassword().isEmpty() ) ) {

                synonymMap = null;
                return;
            }

            SynonymMap.Builder parser = null;

            if ("wordnet".equalsIgnoreCase(settings.get("format"))) {
                parser = new WordnetSynonymParser(true, expand, analyzer);
                ((WordnetSynonymParser) parser).parse(rulesReader);
            } else {

                    final Node node = nodeList.item(i);
                    if ("timestamp".equalsIgnoreCase(node.getNodeName())) {
                        timestamp = node.getTextContent();
                    } else if ("buildNumber".equalsIgnoreCase(node.getNodeName())) {
                        buildNumber = node.getTextContent();
                    }
                }
            }

 * connect without authentication.
 *
 * ```java
 * for (Challenge challenge : response.challenges()) {
 *   // If this is preemptive auth, use a preemptive credential.
 *   if (challenge.scheme().equalsIgnoreCase("OkHttp-Preemptive")) {
 *     return response.request().newBuilder()
 *         .header("Proxy-Authorization", "secret")
 *         .build();
 *   }
 * }
 * return null; // Didn't find a preemptive auth scheme.

        try {
            // feature
            for (final Map.Entry<String, String> entry : featureMap.entrySet()) {
                parser.setFeature(entry.getKey(), "true".equalsIgnoreCase(entry.getValue()));
            }

            // property
            for (final Map.Entry<String, String> entry : propertyMap.entrySet()) {
                parser.setProperty(entry.getKey(), entry.getValue());

        try {
            // feature
            for (final Map.Entry<String, String> entry : featureMap.entrySet()) {
                parser.setFeature(entry.getKey(), "true".equalsIgnoreCase(entry.getValue()));
            }

            // property
            for (final Map.Entry<String, String> entry : propertyMap.entrySet()) {
                parser.setProperty(entry.getKey(), entry.getValue());

   * String#equalsIgnoreCase}). However in almost all cases that ASCII strings are used, the author
   * probably wanted the behavior provided by this method rather than the subtle and sometimes
   * surprising behavior of {@code toUpperCase()} and {@code toLowerCase()}.
   *
   * @since 16.0
   */
  public static boolean equalsIgnoreCase(CharSequence s1, CharSequence s2) {

        }

        if (crawlingConfig != null) {
            final Map<String, String> configParam = crawlingConfig.getConfigParameterMap(ConfigName.CONFIG);
            if (configParam != null && Constants.TRUE.equalsIgnoreCase(configParam.get(Param.Config.KEEP_ORIGINAL_BODY))) {
                return content;
            }
        }

            stream(defaultSortBuilders).of(stream -> stream.forEach(builder -> list.add(builder)));
        }
        list.add(createFieldSortBuilder(fieldName, SortOrder.DESC.toString().equalsIgnoreCase(order) ? SortOrder.DESC : SortOrder.ASC));
        defaultSortBuilders = list.toArray(new SortBuilder[list.size()]);
    }

    protected SortBuilder<?> createFieldSortBuilder(final String field, final SortOrder order) {

                throw new WebApiException(HttpServletResponse.SC_FORBIDDEN, "Invalid session.");
            });
        } catch (final WebApiException e) {
            String message;
            if (Constants.TRUE.equalsIgnoreCase(ComponentUtil.getFessConfig().getApiJsonResponseExceptionIncluded())) {
                logger.warn("Failed to access to Web API.", e);
                message = e.getMessage();
            } else {