assertTrue(called);
  }

  private static final class ThrowingScheduledFuture<V> extends ForwardingFuture<V>
      implements ScheduledFuture<V> {
    @Override
    protected Future<V> delegate() {
      throw new UnsupportedOperationException("test should not care about this");
    }

    @Override
    public long getDelay(TimeUnit unit) {

    assertTrue(called);
  }

  private static final class ThrowingScheduledFuture<V> extends ForwardingFuture<V>
      implements ScheduledFuture<V> {
    @Override
    protected Future<V> delegate() {
      throw new UnsupportedOperationException("test should not care about this");
    }

    @Override
    public long getDelay(TimeUnit unit) {

  public final <S extends @Nullable T> Wrapper<S> wrap(@ParametricNullness S reference) {
    return new Wrapper<>(this, reference);
  }

  /**
   * Wraps an object so that {@link #equals(Object)} and {@link #hashCode()} delegate to an {@link
   * Equivalence}.
   *
   * <p>For example, given an {@link Equivalence} for {@link String strings} named {@code equiv}
   * that tests equivalence using their lengths:
   *
   * {@snippet :

  public final <S extends @Nullable T> Wrapper<S> wrap(@ParametricNullness S reference) {
    return new Wrapper<>(this, reference);
  }

  /**
   * Wraps an object so that {@link #equals(Object)} and {@link #hashCode()} delegate to an {@link
   * Equivalence}.
   *
   * <p>For example, given an {@link Equivalence} for {@link String strings} named {@code equiv}
   * that tests equivalence using their lengths:
   *
   * {@snippet :

     *
     * @return the input location object, or {@code null} if not available
     */
    @Nullable
    Object inputLocation();

    // Deprecated methods that delegate to new ones
    @Deprecated(since = "4.0.0", forRemoval = true)
    @Nonnull
    default String getName() {
        return name();
    }

    @Deprecated(since = "4.0.0", forRemoval = true)
    @Nonnull

      vspace, target_tensor_ids, source_tensor_ids, sources_that_are_targets,
      output_gradients, result, /*build_default_zeros_grads*/ false));
  return absl::OkStatus();
}

// Helper functions which delegate to `AbstractOperation`, update
// the state of the ForwardOperation and call the tape as appropriate.
// These APIs are mainly to facilitate testing and are subject to change.
namespace internal {

    public boolean equals(@Nullable Object object) {
      if (object instanceof AsList) {
        AsList that = (AsList) object;
        return this.parent.equals(that.parent);
      }
      // We could delegate to super now but it would still box too much
      if (!(object instanceof List)) {
        return false;
      }
      List<?> that = (List<?>) object;
      if (this.size() != that.size()) {
        return false;

      in.defaultReadObject();
      CacheBuilder<K, V> builder = recreateCacheBuilder();
      this.delegate = builder.build();
    }

    private Object readResolve() {
      return delegate;
    }

    @Override
    protected Cache<K, V> delegate() {
      return delegate;
    }
  }

  /**

      in.defaultReadObject();
      CacheBuilder<K, V> builder = recreateCacheBuilder();
      this.delegate = builder.build();
    }

    private Object readResolve() {
      return delegate;
    }

    @Override
    protected Cache<K, V> delegate() {
      return delegate;
    }
  }

  /**

            }
            return aliasCount;
        }

        @Override
        public void addMapping(final String index, final String docType, final String indexName) {
            // Delegate to 4-arg version with loadBulkData=true, same as real implementation
            addMapping(index, docType, indexName, true);
        }

        @Override