CountDownLatch doneSignal = new CountDownLatch(1);
    Thread thread =
        new Thread(
            () -> {
              try {
                cache.get(key, loader);
              } catch (UncheckedExecutionException | ExecutionException e) {
                doneSignal.countDown();
              }
            });
    thread.start();

    boolean done = doneSignal.await(1, SECONDS);

    CountDownLatch doneSignal = new CountDownLatch(1);
    Thread thread =
        new Thread(
            () -> {
              try {
                cache.get(key, loader);
              } catch (UncheckedExecutionException | ExecutionException e) {
                doneSignal.countDown();
              }
            });
    thread.start();

    boolean done = doneSignal.await(1, SECONDS);

     * Waits for a value that may still be loading. Unlike get(), this method can block (in the case
     * of FutureValueReference).
     *
     * @throws ExecutionException if the loading thread throws an exception
     * @throws ExecutionError if the loading thread throws an error
     */
    V waitForValue() throws ExecutionException;

    /** Returns the weight of this entry. This is assumed to be static between calls to setValue. */

    call: Call,
    delay: Long,
  ): Thread {
    val thread =
      object : Thread("canceler") {
        override fun run() {
          try {
            sleep(delay)
          } catch (e: InterruptedException) {
            throw AssertionError()
          }
          call.cancel()
        }
      }
    thread.start()
    return thread
  }

   *
   * <p><b>Note:</b>If you only need to know whether two maps have the same mappings, call {@code
   * left.equals(right)} instead of this method.
   *
   * @param left the map to treat as the "left" map for purposes of comparison
   * @param right the map to treat as the "right" map for purposes of comparison
   * @return the difference between the two maps
   */
  public static <K extends @Nullable Object, V extends @Nullable Object>

   *
   * <p><b>Note:</b>If you only need to know whether two maps have the same mappings, call {@code
   * left.equals(right)} instead of this method.
   *
   * @param left the map to treat as the "left" map for purposes of comparison
   * @param right the map to treat as the "right" map for purposes of comparison
   * @return the difference between the two maps
   */
  public static <K extends @Nullable Object, V extends @Nullable Object>

            "WWW-Authenticate",
            "Basic realm=\"protected area\", charset=\"UTF-8\"",
          ),
        body = "Please authenticate with UTF-8.",
      ),
    )
    server.enqueue(
      MockResponse(
        code = 401,
        headers =
          headersOf(
            "WWW-Authenticate",
            "Basic realm=\"protected area\"",
          ),

    /** The key of the message: Name */
    public static final String LABELS_NAME = "{labels.name}";

    /** The key of the message: Number of Threads */
    public static final String LABELS_NUM_OF_THREAD = "{labels.numOfThread}";

    /** The key of the message: Duplicate Host Name */
    public static final String LABELS_DUPLICATE_HOST_NAME = "{labels.duplicateHostName}";

    /** The key of the message: Unauthorized request. */
    public static final String ERRORS_unauthorized_request = "{errors.unauthorized_request}";

    /** The key of the message: Failed to print a thread dump. */
    public static final String ERRORS_failed_to_print_thread_dump = "{errors.failed_to_print_thread_dump}";

    /** The key of the message: {0} is not supported. */

            if (isRetryableException(e) && shouldRetryConnection()) {
                log.debug("Retrying tree connection after transient failure", e);
                try {
                    Thread.sleep(100); // Brief delay before retry
                    this.treeHandle = this.treeConnection.connectWrapException(this.fileLocator);
                    if (this.fileLocator.getURL().getPath().contains("\\")) {