return delegate;
    }

    public void update(Object newDelegate) {
        if (delegate != newDelegate) {
            if (childrenTracking != null) {
                childrenTracking.replace(delegate, newDelegate);
            }
            delegate = newDelegate;
        }
    }

    protected boolean replace(Object oldDelegate, Object newDelegate) {
        return false;
    }

    @FunctionalInterface

        return delegate;
    }

    public void update(Object newDelegate) {
        if (delegate != newDelegate) {
            if (childrenTracking != null) {
                childrenTracking.replace(delegate, newDelegate);
            }
            delegate = newDelegate;
        }
    }

    protected boolean replace(Object oldDelegate, Object newDelegate) {
        return false;
    }

    @FunctionalInterface

        return delegate;
    }

    public void update(Object newDelegate) {
        if (delegate != newDelegate) {
            if (childrenTracking != null) {
                childrenTracking.replace(delegate, newDelegate);
            }
            delegate = newDelegate;
        }
    }

    protected boolean replace(Object oldDelegate, Object newDelegate) {
        return false;
    }

    @FunctionalInterface

        return delegate;
    }

    public void update(Object newDelegate) {
        if (delegate != newDelegate) {
            if (childrenTracking != null) {
                childrenTracking.replace(delegate, newDelegate);
            }
            delegate = newDelegate;
        }
    }

    protected boolean replace(Object oldDelegate, Object newDelegate) {
        return false;
    }

    @FunctionalInterface

 * AbstractFuture#setFuture} calls.
 */
@GwtCompatible
@NullUnmarked
public class UntrustedInputFutureTest extends AbstractAbstractFutureTest {
  @Override
  AbstractFuture<@Nullable Integer> newDelegate() {
    AbstractFuture<@Nullable Integer> future = new AbstractFuture<@Nullable Integer>() {};
    assertFalse(future instanceof TrustedFuture); // sanity check
    return future;
  }

 * AbstractFuture#setFuture} calls.
 */
@GwtCompatible
@NullUnmarked
public class TrustedInputFutureTest extends AbstractAbstractFutureTest {
  @Override
  AbstractFuture<@Nullable Integer> newDelegate() {
    AbstractFuture<@Nullable Integer> future = new TrustedFuture<@Nullable Integer>() {};
    assertTrue(future instanceof TrustedFuture); // sanity check
    return future;
  }

 * AbstractFuture#setFuture} calls.
 */
@GwtCompatible
@NullUnmarked
public class UntrustedInputFutureTest extends AbstractAbstractFutureTest {
  @Override
  AbstractFuture<@Nullable Integer> newDelegate() {
    AbstractFuture<@Nullable Integer> future = new AbstractFuture<@Nullable Integer>() {};
    assertFalse(future instanceof TrustedFuture); // sanity check
    return future;
  }

 * AbstractFuture#setFuture} calls.
 */
@GwtCompatible
@NullUnmarked
public class TrustedInputFutureTest extends AbstractAbstractFutureTest {
  @Override
  AbstractFuture<@Nullable Integer> newDelegate() {
    AbstractFuture<@Nullable Integer> future = new TrustedFuture<@Nullable Integer>() {};
    assertTrue(future instanceof TrustedFuture); // sanity check
    return future;
  }