/**
   * Waits until the given future {@linkplain Future#isDone is done}, invoking the garbage collector
   * as necessary to try to ensure that this will happen.
   *
   * @throws RuntimeException if timed out or interrupted while waiting
   */
  @SuppressWarnings("removal") // b/487687332
  public static void awaitDone(Future<?> future) {
    if (future.isDone()) {
      return;
    }
    long timeoutSeconds = timeoutSeconds();

    Future<?> possiblyIgnoredError = threadPool.submit(new Interrupter(currentThread()));

    Stopwatch timer = Stopwatch.createStarted();
    Queues.drainUninterruptibly(q, new ArrayList<>(), 1, 10, MILLISECONDS);
    assertThat(timer.elapsed(MILLISECONDS)).isAtLeast(10L);
    // wait for interrupted status and clear it
    while (!Thread.interrupted()) {
      Thread.yield();
    }
  }

   *
   * <p>If a task is {@linkplain Thread#interrupt interrupted} while a task is running:
   *
   * <ol>
   *   <li>execution will not stop until the task queue is empty.
   *   <li>tasks will begin execution with the thread marked as not interrupted - any interruption
   *       applies only to the task that was running at the point of interruption.
   *   <li>if the thread was interrupted before the SequentialExecutor's worker begins execution,

                crawlerThreadGroup.interrupt();
                if (logger.isDebugEnabled()) {
                    logger.debug("Interrupted all crawler threads: sessionId={}, activeCount={}", crawlerContext.sessionId,
                            crawlerThreadGroup.activeCount());
                }
            }
        } catch (final Exception e) {

      throws ExecutionException {
    boolean interrupted = false;
    try {
      while (true) {
        try {
          return future.get();
        } catch (InterruptedException e) {
          interrupted = true;
        }
      }
    } finally {
      if (interrupted) {
        interruptCurrentThread();
      }
    }
  }

   * the source future indefinitely, so if the source future never completes, the adapter will never
   * complete either.
   *
   * <p>If the delegate future is interrupted or throws an unexpected unchecked exception, the
   * listeners will not be invoked.
   */
  private static final class ListenableFutureAdapter<V extends @Nullable Object>

      } else {
        AssertionFailedError afe = new AssertionFailedError(t.toString());
        afe.initCause(t);
        throw afe;
      }
    }

    if (Thread.interrupted()) {
      throw new AssertionFailedError("interrupted status set in main thread");
    }
  }

  /**
   * Records the given exception using {@link #threadRecordFailure}, then rethrows the exception,

  }

  /**
   * Awaits an interrupt, then clears the interrupted status. Similar to {@code
   * assertTrue(Thread.interrupted())} except that this version tolerates late interrupts.
   */
  private static void assertInterrupted() {
    try {
      /*
       * The sleep() will end immediately if we've already been interrupted or
       * wait patiently for the interrupt if not.
       */

   *     ExecutionException} is thrown <a
   *     href="https://github.com/google/guava/wiki/CachesExplained#interruption">even if
   *     computation was interrupted by an {@code InterruptedException}</a>.)
   * @throws UncheckedExecutionException if an unchecked exception was thrown while loading the
   *     value
   * @throws ExecutionError if an error was thrown while loading the value

        // Mock transport.connect() to throw RuntimeException wrapping InterruptedException
        doThrow(new RuntimeException(new InterruptedException("Interrupted"))).when(transport).connect();

        // Should throw exception due to interrupted wait
        assertThrows(RuntimeException.class, () -> tree.treeConnect(null, null));
    }