}
    }

    void waitForRequests(int requestCount) {
        lock.lock();
        try {
            while (this.requestsStarted < requestCount) {
                try {
                    condition.await();
                } catch (InterruptedException e) {
                    throw UncheckedException.throwAsUncheckedException(e);
                }
            }
        } finally {
            lock.unlock();

            previous.assertCanWait();
            if (notReceived.isEmpty()) {
                // Have received all requests so downstream can wait.
                return;
            }
            if (!isAutoRelease()) {
                throw new IllegalStateException(String.format("Cannot wait as no requests have been released. Waiting for %s, received %s.", format(notReceived), format(received)));
            }
        } finally {

  private void assertInterruptibleDrained(BlockingQueue<Object> q) {
    // nothing to drain, thus this should wait doing nothing
    try {
      assertEquals(0, Queues.drain(q, ImmutableList.of(), 0, 10, MILLISECONDS));
    } catch (InterruptedException e) {
      throw new AssertionError();
    }

    // but does the wait actually occurs?
    @SuppressWarnings("unused") // https://errorprone.info/bugpattern/FutureReturnValueIgnored

  private void assertInterruptibleDrained(BlockingQueue<Object> q) {
    // nothing to drain, thus this should wait doing nothing
    try {
      assertEquals(0, Queues.drain(q, ImmutableList.of(), 0, 10, MILLISECONDS));
    } catch (InterruptedException e) {
      throw new AssertionError();
    }

    // but does the wait actually occurs?
    @SuppressWarnings("unused") // https://errorprone.info/bugpattern/FutureReturnValueIgnored

          }
        };
    waiter.start();
    service.startAsync().awaitRunning();
    assertEquals(State.RUNNING, service.state());
    service.stopAsync();
    waiter.join(LONG_TIMEOUT_MILLIS); // ensure that the await in the other thread is triggered
    assertFalse(waiter.isAlive());
  }

  public void testAwaitTerminated_FailedService() throws Exception {
    final ManualSwitchedService service = new ManualSwitchedService();

          }
        };
    waiter.start();
    service.startAsync().awaitRunning();
    assertEquals(State.RUNNING, service.state());
    service.stopAsync();
    waiter.join(LONG_TIMEOUT_MILLIS); // ensure that the await in the other thread is triggered
    assertFalse(waiter.isAlive());
  }

  public void testAwaitTerminated_FailedService() throws Exception {
    final ManualSwitchedService service = new ManualSwitchedService();

        .build()
    }
    val request =
      Request.Builder()
        .url(server.url("/"))
        .build()
    client.newCall(request).enqueue(callback)
    callback.await(request.url)
      .assertCode(200)
      .assertHeader("OkHttp-Intercepted", "yep")
  }

  @Test
  fun applicationInterceptorsCanMakeMultipleRequestsToServer() {

   */

  @GuardedBy("lock")
  private void await(Guard guard, boolean signalBeforeWaiting) throws InterruptedException {
    if (signalBeforeWaiting) {
      signalNextWaiter();
    }
    beginWaitingFor(guard);
    try {
      do {
        guard.condition.await();
      } while (!guard.isSatisfied());
    } finally {
      endWaitingFor(guard);
    }

                            try {
                                while (!removed && queue.isEmpty()) {
                                    try {
                                        condition.await();
                                    } catch (InterruptedException e) {
                                        throw UncheckedException.throwAsUncheckedException(e);
                                    }

    public @Nullable Void call() throws InterruptedException {
      running = true;
      startLatch.countDown();
      stopLatch.await();
      running = false;
      return null;
    }

    public void waitForStart() throws InterruptedException {
      startLatch.await();
    }

    public void stop() {
      stopLatch.countDown();
    }

    public boolean isRunning() {