Stopwatch stopwatch = Stopwatch.createStarted();

    assertThrows(UncheckedTimeoutException.class, proxy::sleepThenThrowException);

    assertThat(stopwatch.elapsed(MILLISECONDS)).isIn(Range.closed(NOT_ENOUGH_MS, DELAY_MS * 2));
  }

  public void testCallWithTimeout_goodCallableWithEnoughTime() throws Exception {
    Stopwatch stopwatch = Stopwatch.createStarted();

    Stopwatch stopwatch = Stopwatch.createStarted();

    assertThrows(UncheckedTimeoutException.class, proxy::sleepThenThrowException);

    assertThat(stopwatch.elapsed(MILLISECONDS)).isIn(Range.closed(NOT_ENOUGH_MS, DELAY_MS * 2));
  }

  public void testCallWithTimeout_goodCallableWithEnoughTime() throws Exception {
    Stopwatch stopwatch = Stopwatch.createStarted();

  }

  // IncrementableCountDownLatch.await() tests

  // CountDownLatch.await() tests
  public void testAwaitWithNoWait() {
    Stopwatch stopwatch = Stopwatch.createStarted();
    CountDownLatch latch = new CountDownLatch(0);
    awaitUninterruptibly(latch);
    assertTrue(awaitUninterruptibly(latch, 0, MILLISECONDS));
    assertTrue(awaitUninterruptibly(latch, -42, MILLISECONDS));

  }

  // IncrementableCountDownLatch.await() tests

  // CountDownLatch.await() tests
  public void testAwaitWithNoWait() {
    Stopwatch stopwatch = Stopwatch.createStarted();
    CountDownLatch latch = new CountDownLatch(0);
    awaitUninterruptibly(latch);
    assertTrue(awaitUninterruptibly(latch, 0, MILLISECONDS));
    assertTrue(awaitUninterruptibly(latch, -42, MILLISECONDS));

  private final FakeTicker ticker = new FakeTicker();
  private final Stopwatch stopwatch = new Stopwatch(ticker);

  public void testCreateStarted() {
    Stopwatch startedStopwatch = Stopwatch.createStarted();
    assertTrue(startedStopwatch.isRunning());
  }

  public void testCreateUnstarted() {
    Stopwatch unstartedStopwatch = Stopwatch.createUnstarted();
    assertFalse(unstartedStopwatch.isRunning());

    void tryStartTiming(Service service) {
      monitor.enter();
      try {
        Stopwatch stopwatch = startupTimers.get(service);
        if (stopwatch == null) {
          startupTimers.put(service, Stopwatch.createStarted());
        }
      } finally {
        monitor.leave();
      }
    }

    /**
     * Marks the {@link State} as ready to receive transitions. Returns true if no transitions have

      bloomFilter.put(getNonGoldenRandomKey());
    }
    bloomFilter.put(GOLDEN_PRESENT_KEY);

    int numThreads = 12;
    double safetyFalsePositiveRate = 0.1;
    Stopwatch stopwatch = Stopwatch.createStarted();

    Runnable task =
        () -> {
          do {
            // We can't have a GOLDEN_NOT_PRESENT_KEY because false positives are
            // possible! It's false negatives that can't happen.

   */
  @Nullable Map<K, V> loadAll(Set<? extends K> keys, CacheLoader<? super K, V> loader)
      throws ExecutionException {
    checkNotNull(loader);
    checkNotNull(keys);
    Stopwatch stopwatch = Stopwatch.createStarted();
    Map<K, V> result;
    boolean success = false;
    try {
      @SuppressWarnings("unchecked") // safe since all keys extend K
      Map<K, V> map = (Map<K, V>) loader.loadAll(keys);

   */
  @Nullable Map<K, V> loadAll(Set<? extends K> keys, CacheLoader<? super K, V> loader)
      throws ExecutionException {
    checkNotNull(loader);
    checkNotNull(keys);
    Stopwatch stopwatch = Stopwatch.createStarted();
    Map<K, V> result;
    boolean success = false;
    try {
      @SuppressWarnings("unchecked") // safe since all keys extend K
      Map<K, V> map = (Map<K, V>) loader.loadAll(keys);