@Override
        public Entry<K, V> next() {
          if (nextOrNull == null) {
            throw new NoSuchElementException();
          }
          try {
            return nextOrNull;
          } finally {
            toRemove = nextOrNull;
            nextOrNull = forward().lowerEntry(nextOrNull.getKey());
          }
        }

        @Override
        public void remove() {

   * @since 14.0
   */
  public static ByteSink asByteSink(File file, FileWriteMode... modes) {
    return new FileByteSink(file, modes);
  }

  private static final class FileByteSink extends ByteSink {

    private final File file;
    private final ImmutableSet<FileWriteMode> modes;

    private FileByteSink(File file, FileWriteMode... modes) {
      this.file = checkNotNull(file);

	// subcommand output (e.g., it might not be \n-terminated).
	var exitReStr strings.Builder
	for i := 1; i <= len(exitStr); i++ {
		fmt.Fprintf(&exitReStr, "%s$|", exitStr[:i])
	}
	// Finally, match the exit string along with an exit code.
	// This is the only case we use a group, and we'll use this
	// group to extract the numeric code.
	fmt.Fprintf(&exitReStr, "%s([0-9]+)$", exitStr)

     */
    protected long deleteOldDocuments(final SearchEngineClient searchEngineClient, final DocList docList) {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();

        final List<String> docIdList = new ArrayList<>();
        for (final Map<String, Object> inputDoc : docList) {
            final Object idValue = inputDoc.get(fessConfig.getIndexFieldId());

     */
    protected void doCrawl(final String sessionId, final List<WebConfig> webConfigList, final List<FileConfig> fileConfigList) {
        final int multiprocessCrawlingCount = ComponentUtil.getFessConfig().getCrawlingThreadCount();

        final SystemHelper systemHelper = ComponentUtil.getSystemHelper();
        ComponentUtil.getFessConfig();
        final ProtocolHelper protocolHelper = ComponentUtil.getProtocolHelper();

            final T response, final RequestParam... params) throws CIFSException {
        return send(loc, request, response,
                params.length == 0 ? EnumSet.noneOf(RequestParam.class) : EnumSet.copyOf(Arrays.asList(params)));
    }

    private final InetAddress localAddr;

    SmbTransport transport = null;
    NtlmPasswordAuthentication auth;
    long expiration;
    String netbiosName = null;

    SmbSession(final UniAddress address, final int port, final InetAddress localAddr, final int localPort,
            final NtlmPasswordAuthentication auth) {
        this.address = address;
        this.port = port;

     */
    protected ResponseData getResponseData(final String uri, final boolean includeContent) {
        final ResponseData responseData = new ResponseData();
        try {
            responseData.setMethod(includeContent ? Constants.GET_METHOD : Constants.HEAD_METHOD);
            final String filePath = preprocessUri(uri);
            responseData.setUrl(filePath);

        final Map<String, String> statusMap = new HashMap<>();
        CrawlingInfoHelper testCrawlingInfoHelper = new CrawlingInfoHelper() {
            private final Map<String, String> infoMap = new HashMap<>();

            @Override
            public void store(String sessionId, boolean running) {
                // Track the final status
                if (!running) {

     */
    public void test_concurrentPropertyAccess() throws Exception {
        final int threadCount = 10;
        final int iterationsPerThread = 100;
        final CountDownLatch startLatch = new CountDownLatch(1);
        final CountDownLatch endLatch = new CountDownLatch(threadCount);
        final AtomicInteger errorCount = new AtomicInteger(0);

        // Set initial values