* @param urlQueue the URL queue item containing the URL to check
     * @return true if the content has been updated and should be crawled, false otherwise
     */
    @Override
    protected boolean isContentUpdated(final CrawlerClient client, final UrlQueue<?> urlQueue) {
        if (ComponentUtil.getFessConfig().isIncrementalCrawling()) {

            final SystemHelper systemHelper = ComponentUtil.getSystemHelper();

            .add("field26", Optional.of("World"))
            .add("field27", Optional.absent())
            // Arrays
            .add("field31", new Object[] {"!!!"})
            .add("field32", new boolean[0])
            .add("field33", new byte[0])
            .add("field34", new char[0])
            .add("field35", new short[0])
            .add("field36", new int[0])
            .add("field37", new long[0])

        void testDecodeWithSignatureFailure() {
            testBlock = new TestServerMessageBlock(mockConfig) {
                @Override
                public boolean verifySignature(byte[] buffer, int i, int size) {
                    return false;
                }
            };

            byte[] buffer = new byte[1024];

// 3. Binary. Blob of metadata. Length 0 on directories.
// ... Next element.
//
// Streams can be assumed to be sorted in ascending order.
// If the stream ends before a false boolean it can be assumed it was truncated.

const metacacheStreamVersion = 2

// metacacheWriter provides a serializer of metacache objects.
type metacacheWriter struct {
	streamErr   error
	mw          *msgp.Writer

    assertThat(route.socketAddress.port).isEqualTo(socketPort)
  }

  private fun newRouteSelector(
    address: Address,
    routeDatabase: RouteDatabase = this.routeDatabase,
    fastFallback: Boolean = false,
    call: RealCall = this.call,
  ): RouteSelector =
    RouteSelector(
      address = address,
      routeDatabase = routeDatabase,
      fastFallback = fastFallback,
      call = call,
    )

                    "parameters": [
                        {
                            "required": True,
                            "schema": {"title": "Item Id", "type": "boolean"},
                            "name": "item_id",
                            "in": "path",
                        }
                    ],
                }
            },

     * This method adds should clauses for allowed roles and must-not clauses for denied roles.
     *
     * @param roleSet the set of roles to use for filtering
     * @param boolQuery the boolean query builder to add role filters to
     */
    public void buildRoleQuery(final Set<String> roleSet, final BoolQueryBuilder boolQuery) {
        final BoolQueryBuilder roleQuery = QueryBuilders.boolQuery();

            }
        }
    }

    /**
     * Check if the language is supported.
     * @param lang Language
     * @return True if the language is supported
     */
    public static boolean isSupportedLanguage(final String lang) {
        return StringUtil.isNotBlank(lang) && Stream.of(SUPPORTED_LANGUAGES).anyMatch(lang::equals);
    }

    /**
     * Get analyzer names.
     * @return Analyzer names

    }

    /**
     * Check if the data map has a title.
     * @param dataMap The data map.
     * @return true if the data map has a title.
     */
    protected boolean hasTitle(final Map<String, Object> dataMap) {
        final Object titleObj = dataMap.get(fessConfig.getIndexFieldTitle());
        if (titleObj != null) {
            if (titleObj instanceof String[]) {

                  });
    }

    @Override
    protected Multimap<K, V> delegate() {
      return unusableDelegate;
    }

    @Override
    public boolean put(K key, V value) {
      map.put(key, value);
      return true;
    }

    SetMultimap<K, V> build() {
      return Multimaps.forMap(map);
    }
  }