nextIndex++;
      current = null;
    }
  }

  // Query Operations

  @Override
  public int size() {
    return size;
  }

  @Override
  public boolean isEmpty() {
    return head == null;
  }

  @Override
  public boolean containsKey(@Nullable Object key) {
    return keyToKeyList.containsKey(key);
  }

  @Override

     * @param uri the URI to preprocess
     * @return the preprocessed URI
     * @throws CrawlerSystemException if the URI is empty
     */
    protected String preprocessUri(final String uri) {
        if (StringUtil.isEmpty(uri)) {
            throw new CrawlerSystemException("File system URI is empty. Please provide a valid file path or file:// URI.");
        }

        String filePath = uri;
        if (!filePath.startsWith("file:")) {

                    buf.append('&');
                } else {
                    buf.append('?');
                }
                buf.append(loginReqParams);
                if (!responseParams.isEmpty()) {
                    buf.append('&');
                    responseParams.stream().forEach(p -> {
                        try {
                            buf.append(URLEncoder.encode(p.getFirst(), encoding));

        directoryLeaseManager.handleDirectoryChange(directoryPath, "", DirectoryChangeNotifier.DirectoryChangeType.DIRECTORY_RENAMED);
        assertFalse(entry.isComplete());
        assertTrue(entry.getChildren().isEmpty());
    }

    @Test
    public void testHandleDirectoryLeaseBreak() {
        String directoryPath = "/test/dir";
        Smb2LeaseKey leaseKey = new Smb2LeaseKey();

        // Create cache entry

        result.get(10, SECONDS);
      }
      // TODO(cpovirk): Verify that the cancelled futures are exactly ones that we expect.
    }

    assertThat(logHandler.getStoredLogRecords()).isEmpty();
  }

  public void testAvoidsStackOverflow_manySubmitted() throws Exception {
    SettableFuture<@Nullable Void> settableFuture = SettableFuture.create();

    assertThat(subset).containsExactly("b", "c", "d", "e").inOrder();

    subset.clear();
    assertThat(elementSet).containsExactly("a", "f").inOrder();
    assertThat(subset).isEmpty();
    assertEquals(3, ms.size());
  }

  public void testCustomComparator() throws Exception {
    Comparator<String> comparator =
        new Comparator<String>() {
          @Override

  }

  public void testLineReading() throws IOException {
    File temp = createTempFile();
    assertThat(Files.readFirstLine(temp, UTF_8)).isNull();
    assertTrue(Files.readLines(temp, UTF_8).isEmpty());

    PrintWriter w = new PrintWriter(Files.newWriter(temp, UTF_8));
    w.println("hello");
    w.println("");
    w.println(" world  ");
    w.println("");
    w.close();

    Thread.setDefaultUncaughtExceptionHandler { _, throwable ->
      initUncaughtException(throwable)
    }

    taskQueuesWereIdle = TaskRunner.INSTANCE.activeQueues().isEmpty()

    applyLogger {
      addHandler(testLogHandler)
      level = Level.FINEST
      useParentHandlers = false
    }
  }

  @SuppressLint("NewApi")

    /**
     * Checks if any sort builders have been added to this context.
     * @return True if sort builders are present, false otherwise.
     */
    public boolean hasSorts() {
        return !sortBuilderList.isEmpty();
    }

    /**
     * Gets the list of sort builders for this query context.
     * @return The list of sort builders.
     */
    public List<SortBuilder<?>> sortBuilders() {

            this.channelBindingPolicy = initChannelBindingPolicy(value);
        }

        value = props.getProperty("jcifs.smb.client.loadBalancingStrategy");
        if (value != null && !value.trim().isEmpty()) {
            this.loadBalancingStrategy = value.trim();
        }

        value = props.getProperty("jcifs.smb.client.channelHealthCheckInterval");
        if (value != null) {
            try {