MILLISECONDS.sleep(DELAY_MS);
        throw new SampleException();
      };
  private static final Runnable GOOD_RUNNABLE =
      () -> {
        try {
          MILLISECONDS.sleep(DELAY_MS);
        } catch (InterruptedException e) {
          throw new RuntimeException(e);
        }
      };
  private static final Runnable BAD_RUNNABLE =
      () -> {
        try {
          MILLISECONDS.sleep(DELAY_MS);

      }
    }

    @Keep
    public static final class DummyRunnable implements Runnable, Serializable {
      @Override
      public void run() {}
    }

    @Keep
    public static final class DummyThreadFactory implements ThreadFactory, Serializable {
      @Override
      public Thread newThread(Runnable r) {
        return new Thread(r);
      }
    }

    @Keep

    validations:
      required: true
  - type: textarea
    id: what-did-you-do
    attributes:
      label: "What did you do?"
      description: "If possible, provide a recipe for reproducing the error. A complete runnable program is good. A link on [go.dev/play](https://go.dev/play) is better. A failing unit test is the best."
    validations:
      required: true
  - type: textarea
    id: actual-behavior
    attributes:

    validations:
      required: true
  - type: textarea
    id: what-did-you-do
    attributes:
      label: "What did you do?"
      description: "If possible, provide a recipe for reproducing the error. A complete runnable program is good. A link on [go.dev/play](https://go.dev/play) is best."
    validations:
      required: true
  - type: textarea
    id: actual-behavior
    attributes:
      label: "What did you see happen?"

  private TimeoutFuture(ListenableFuture<V> delegate) {
    this.delegateRef = Preconditions.checkNotNull(delegate);
  }

  /** A runnable that is called when the delegate or the timer completes. */
  private static final class Fire<V extends @Nullable Object> implements Runnable {
    @LazyInit @Nullable TimeoutFuture<V> timeoutFutureRef;

    Fire(TimeoutFuture<V> timeoutFuture) {
      this.timeoutFutureRef = timeoutFuture;

        .that(ListenableFuture.class.getDeclaredMethods())
        .asList()
        .containsExactly(
            ListenableFuture.class.getMethod("addListener", Runnable.class, Executor.class));
    assertWithMessage(
            "Do not add new supertypes to ListenableFuture. Its API needs to continue to match the"

  /** Constructor for use by subclasses. */
  protected ForwardingListenableFuture() {}

  @Override
  protected abstract ListenableFuture<? extends V> delegate();

  @Override
  public void addListener(Runnable listener, Executor exec) {
    delegate().addListener(listener, exec);
  }

  // TODO(cpovirk): Use standard Javadoc form for SimpleForwarding* class and constructor
  /**

        if (isEmpty.test(value)) {
            logError(element, "is empty");
        }
    }

    private <T> void validateNonNull(String element, T value, Runnable validator) {
        if (value == null) {
            logError(element, "is missing");
        } else {
            validator.run();
        }
    }

  private Thread executionThread;
  private Throwable thrownByExecutionThread;
  private final Executor exceptionCatchingExecutor =
      new Executor() {
        @Override
        public void execute(Runnable command) {
          executionThread = new Thread(command);
          executionThread.setUncaughtExceptionHandler(
              (thread, throwable) -> thrownByExecutionThread = throwable);
          executionThread.start();

  private static Test testsForSetUpTearDown() {
    AtomicBoolean setUpRan = new AtomicBoolean();
    Runnable setUp =
        () ->
            assertFalse("previous tearDown should have run before setUp", setUpRan.getAndSet(true));
    Runnable tearDown = () -> assertTrue("setUp should have run", setUpRan.getAndSet(false));
    return MapTestSuiteBuilder.using(new CheckSetUpHashMapGenerator(setUpRan))