import static com.google.common.util.concurrent.MoreExecutors.directExecutor;
import static com.google.common.util.concurrent.ReflectionFreeAssertThrows.assertThrows;
import static com.google.common.util.concurrent.Runnables.doNothing;
import static com.google.common.util.concurrent.TestPlatform.getDoneFromTimeoutOverload;
import static com.google.common.util.concurrent.TestPlatform.verifyGetOnPendingFuture;

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

    @Override
    public void shutdown() {}

    @Override
    public List<Runnable> shutdownNow() {
      return ImmutableList.of();
    }

    @Override
    public boolean isShutdown() {
      return false;
    }

    @Override

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

    @Override
    public void shutdown() {}

    @Override
    public List<Runnable> shutdownNow() {
      return ImmutableList.of();
    }

    @Override
    public boolean isShutdown() {
      return false;
    }

    @Override

  }

  private static class ForwardingRunnable implements Runnable {

    private final Runnable runnable;

    ForwardingRunnable(Runnable runnable) {
      this.runnable = runnable;
    }

    @Override
    public void run() {
      runnable.run();
    }

    @Override
    public String toString() {
      return runnable.toString();
    }
  }

  private interface Adder {

      Runnable runnable, @ParametricNullness V result) {
    return new ListenableFutureTask<>(runnable, result);
  }

  ListenableFutureTask(Callable<V> callable) {
    super(callable);
  }

  ListenableFutureTask(Runnable runnable, @ParametricNullness V result) {
    super(runnable, result);
  }

  @Override
  public void addListener(Runnable listener, Executor exec) {

   * @throws UncheckedExecutionException if {@code runnable} throws a {@code RuntimeException}
   * @throws ExecutionError if {@code runnable} throws an {@code Error}
   * @since 22.0
   */
  void runWithTimeout(Runnable runnable, long timeoutDuration, TimeUnit timeoutUnit)
      throws TimeoutException, InterruptedException;

  /**
   * Invokes a specified Runnable, timing out after the specified time limit. If the target method

    }

    @Override
    public T call() throws Exception {
      return delegate.call();
    }
  }

  private static final class WrappedRunnable implements Runnable {
    private final Runnable delegate;

    WrappedRunnable(Runnable delegate) {
      this.delegate = delegate;
    }

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

// instead of using an AtomicReferenceFieldUpdater. This reference stores Thread instances
// and DONE/INTERRUPTED - they have a common ancestor of Runnable.
abstract class InterruptibleTask<T extends @Nullable Object>
    extends AtomicReference<@Nullable Runnable> implements Runnable {
  static {
    // Prevent rare disastrous classloading in first call to LockSupport.park.
    // See: https://bugs.openjdk.org/browse/JDK-8074773

    }

    @Override
    public T call() throws Exception {
      return delegate.call();
    }
  }

  private static final class WrappedRunnable implements Runnable {
    private final Runnable delegate;

    WrappedRunnable(Runnable delegate) {
      this.delegate = delegate;
    }

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

  }

  private static class ForwardingRunnable implements Runnable {

    private final Runnable runnable;

    ForwardingRunnable(Runnable runnable) {
      this.runnable = runnable;
    }

    @Override
    public void run() {
      runnable.run();
    }

    @Override
    public String toString() {
      return runnable.toString();
    }
  }

  private interface Adder {