// do nothing
    }

    /**
     * Initializes the helper.
     */
    @PostConstruct
    public void init() {
        if (logger.isDebugEnabled()) {
            logger.debug("Initialize {}", this.getClass().getSimpleName());
        }
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        langFields = fessConfig.getIndexerLanguageFieldsAsArray();

        // The raw class isn't even a subclass.
      }
    }
    return null;
  }

  final void testAllDeclarations() throws Exception {
    checkState(method == null);
    Method[] methods = getClass().getMethods();
    Arrays.sort(
        methods,
        new Comparator<Method>() {
          @Override
          public int compare(Method a, Method b) {
            return a.getName().compareTo(b.getName());

    T[] empty = reference.length == 0 ? reference : Arrays.copyOf(reference, 0);
    return Arrays.copyOf(empty, length);
  }

  /** Equivalent to Arrays.copyOfRange(source, from, to, arrayOfType.getClass()). */
  static <T extends @Nullable Object> T[] copy(Object[] source, int from, int to, T[] arrayOfType) {
    T[] result = newArray(arrayOfType, to - from);
    System.arraycopy(source, from, result, 0, to - from);

                        }
                    }
                }
                throw new ChildUrlsException(requestDataSet, this.getClass().getName() + "#getResponseData");
            } else {
                responseData.setHttpStatusCode(Constants.NOT_FOUND_STATUS_CODE);
                responseData.setCharSet(charset);

     * Initializes the helper.
     * It loads KeyMatch settings from the database.
     */
    @PostConstruct
    public void init() {
        if (logger.isDebugEnabled()) {
            logger.debug("Initialize {}", this.getClass().getSimpleName());
        }
        load();
    }

    /**
     * Returns a list of available KeyMatch instances.
     *
     * @return A list of KeyMatch instances.
     */

    public void handle(Callback[] callbacks) throws IOException, UnsupportedCallbackException {
        for (Callback cb : callbacks) {
            if (log.isDebugEnabled()) {
                log.debug("Got callback " + cb.getClass().getName());
            }

            if (cb instanceof NameCallback nc) {
                String userDomain = this.getSpecifiedUserDomain();
                if (this.getUsername() != null && userDomain != null) {

     * Sets up the cache with configured size and expiration settings.
     */
    @PostConstruct
    public void init() {
        if (logger.isDebugEnabled()) {
            logger.debug("Initialize {}", this.getClass().getSimpleName());
        }
        fessConfig = ComponentUtil.getFessConfig();
        cache = CacheBuilder.newBuilder()
                .maximumSize(fessConfig.getSuggestPopularWordCacheSizeAsInteger().longValue())

   * in debugging output.
   *
   * <p>Subclasses may override this method.
   *
   * @since 14.0 (present in 10.0 as getServiceName)
   */
  protected String serviceName() {
    return getClass().getSimpleName();
  }

        }
        if (logger.isDebugEnabled()) {
            logger.debug("Loaded {}", name);
        }
        dataStoreMap.put(name.toLowerCase(Locale.ROOT), dataStore);
        dataStoreMap.put(dataStore.getClass().getSimpleName().toLowerCase(Locale.ROOT), dataStore);
    }

    /**
     * Retrieves a data store instance by name.
     * The lookup is case-insensitive and will match both registered names

        trans2GetDfsReferral = new Trans2GetDfsReferral(mockConfig, filename);

        // Set path field (inherited from parent)
        Field pathField = trans2GetDfsReferral.getClass().getSuperclass().getSuperclass().getDeclaredField("path");
        pathField.setAccessible(true);
        pathField.set(trans2GetDfsReferral, filename);

        // When