}
    }

  private val backend = TaskRunner.RealBackend(threadFactory)
  private val taskRunner = TaskRunner(backend)
  private val queue = taskRunner.newQueue()

  @AfterEach fun tearDown() {
    backend.shutdown()
  }

  @Test fun test() {
    val t1 = System.nanoTime() / 1e6

    val delays = mutableListOf(TimeUnit.MILLISECONDS.toNanos(1000), -1L)
    queue.schedule("task", TimeUnit.MILLISECONDS.toNanos(750)) {

  public void testStop_failed() {
    Exception exception = new Exception("deliberate");
    TestService service =
        new TestService() {
          @Override
          protected void shutDown() throws Exception {
            super.shutDown();
            throw exception;
          }
        };
    service.startAsync().awaitRunning();
    assertEquals(1, service.startUpCalled);
    assertEquals(0, service.shutDownCalled);

    assertFalse(testExecutor.isTerminated());
    mock.assertLastMethodCalled("isTerminated");
    assertFalse(testExecutor.isShutdown());
    mock.assertLastMethodCalled("isShutdown");
    testExecutor.shutdown();
    mock.assertLastMethodCalled("shutdown");
    List<Runnable> list = testExecutor.shutdownNow();
    mock.assertLastMethodCalled("shutdownNow");
    assertEquals(ImmutableList.of(), list);
  }

* router (as in FastAPI's router): router (do not change if it's already translated to "roteador" or "roteadores")
* response (as in HTTP response): response (do not change if it's already translated to resposta)
* shutdown (of the app): encerramento
* shutdown event (of the app): evento de encerramento
* startup (as in the event of the app): inicialização
* startup event (as in the event of the app): evento de inicialização
* Stream: Stream
* string: string

    return delegate().invokeAny(tasks, timeout, unit);
  }

  @Override
  public boolean isShutdown() {
    return delegate().isShutdown();
  }

  @Override
  public boolean isTerminated() {
    return delegate().isTerminated();
  }

  @Override
  public void shutdown() {
    delegate().shutdown();
  }

  @Override
  @CanIgnoreReturnValue
  public List<Runnable> shutdownNow() {

      enterRun.countDown();
      try {
        exitRun.await();
      } catch (InterruptedException e) {
        throw new RuntimeException(e);
      }
    }

    @Override
    protected void shutDown() {
      assertTrue(startUpCalled);
      assertTrue(runCalled);
      assertFalse(shutDownCalled);
      shutDownCalled = true;
      assertEquals(expectedShutdownState, state());
    }

    @Override

    }

    @Test
    void testShutdown() {
        assertDoesNotThrow(() -> channelManager.shutdown());

        // Multiple shutdowns should be safe
        assertDoesNotThrow(() -> channelManager.shutdown());
    }

    @Test
    void testLoadBalancerAccess() {
        ChannelLoadBalancer balancer = channelManager.getLoadBalancer();

  /** Simple same thread listening executor service that doesn't handle shutdown. */
  private static class TestListeningExecutorService extends AbstractListeningExecutorService {

    @Override
    public void execute(Runnable runnable) {
      assertThat(runnable).isInstanceOf(TrustedListenableFutureTask.class);
      runnable.run();
    }

    @Override
    public void shutdown() {}

    @Override
    public List<Runnable> shutdownNow() {

            return defaultCreds;
        }

        @Override
        public boolean close() throws CIFSException {
            closeCalled = true;
            // Call super.close() to ensure the shutdown hook is removed
            return super.close();
        }

        public boolean isCloseCalled() {
            return closeCalled;
        }

        @Override

        }
    }

    @Test
    @DisplayName("MultiChannelManager should shutdown cleanly")
    void testShutdown() {
        assertDoesNotThrow(() -> {
            multiChannelManager.shutdown();
        });
    }

    @Test
    @DisplayName("createDefaultContext should work")
    void testCreateDefaultContext() throws Exception {