};
    ExecutorService executor = newSingleThreadExecutor();
    // Pause the executor.
    CountDownLatch beforeFunction = new CountDownLatch(1);
    executor.execute(() -> awaitUninterruptibly(beforeFunction));
    ListenableFuture<Integer> future = submitAsync(callable, executor);
    future.cancel(false);

    // Unpause the executor.
    beforeFunction.countDown();
    executor.shutdown();

        };
    ExecutorService executor = newSingleThreadExecutor();
    // Pause the executor.
    CountDownLatch beforeFunction = new CountDownLatch(1);
    executor.execute(() -> awaitUninterruptibly(beforeFunction));
    ListenableFuture<Integer> future = submitAsync(callable, executor);
    future.cancel(false);

    // Unpause the executor.
    beforeFunction.countDown();
    executor.shutdown();

    executor.execute(new SleepTask(10000));
    executor.shutdown();
    assertFalse(awaitTerminationUninterruptibly(executor, 1000, MILLISECONDS));
    assertFalse(executor.isTerminated());
    assertInterrupted();
  }

  public void testTryAwaitTerminationInfiniteTimeout() {
    ExecutorService executor = newFixedThreadPool(1);
    requestInterruptIn(500);
    executor.execute(new SleepTask(1000));

      ListenableFuture<? extends V> input,
      Class<X> exceptionType,
      Function<? super X, ? extends V> fallback,
      Executor executor) {
    CatchingFuture<V, X> output = new CatchingFuture<>(input, exceptionType, fallback);
    input.addListener(output, rejectionPropagatingExecutor(executor, output));
    return output;
  }

  static <X extends Throwable, V extends @Nullable Object> ListenableFuture<V> createAsync(

  TFE_DeleteTensorHandle(h1_task1);
  TFE_DeleteTensorHandle(retvals[0]);

  TFE_DeleteOp(matmul);

  TFE_Executor* executor = TFE_ContextGetExecutorForThread(ctx);
  TFE_ExecutorWaitForAllPendingNodes(executor, status);
  ASSERT_EQ(TF_OK, TF_GetCode(status)) << TF_Message(status);
  TFE_DeleteExecutor(executor);
  TFE_DeleteContext(ctx);

  TF_DeleteStatus(status);

// have been executed. Note that "execution" here refers to kernel execution /
// scheduling of copies, etc. Similar to sync execution, it doesn't guarantee
// that lower level device queues (like GPU streams) have been flushed.
//
// This call may not block for execution of ops enqueued concurrently with this
// call.
TF_CAPI_EXPORT extern void TFE_ExecutorWaitForAllPendingNodes(

  }

  public void testNoOpScheduledExecutorShutdown() {
    ListeningScheduledExecutorService executor = TestingExecutors.noOpScheduledExecutor();
    assertFalse(executor.isShutdown());
    assertFalse(executor.isTerminated());
    executor.shutdown();
    assertTrue(executor.isShutdown());
    assertTrue(executor.isTerminated());
  }

  }

  public void testNoOpScheduledExecutorShutdown() {
    ListeningScheduledExecutorService executor = TestingExecutors.noOpScheduledExecutor();
    assertFalse(executor.isShutdown());
    assertFalse(executor.isTerminated());
    executor.shutdown();
    assertTrue(executor.isShutdown());
    assertTrue(executor.isTerminated());
  }

  }

  EventBus(
      String identifier,
      Executor executor,
      Dispatcher dispatcher,
      SubscriberExceptionHandler exceptionHandler) {
    this.identifier = checkNotNull(identifier);
    this.executor = checkNotNull(executor);
    this.dispatcher = checkNotNull(dispatcher);
    this.exceptionHandler = checkNotNull(exceptionHandler);
  }

import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;
import org.jspecify.annotations.Nullable;

/**
 * An executor service which forwards all its method calls to another executor service. Subclasses
 * should override one or more methods to modify the behavior of the backing executor service as
 * desired per the <a href="http://en.wikipedia.org/wiki/Decorator_pattern">decorator pattern</a>.
 *