c = c.superclass
  }

  // Didn't find the field we wanted. As a last gasp attempt,
  // try to find the value on a delegate.
  if (fieldName != "delegate") {
    val delegate = readFieldOrNull(instance, Any::class.java, "delegate")
    if (delegate != null) return readFieldOrNull(delegate, fieldType, fieldName)
  }

  return null
}

@JvmField

   */
  private inner class TaskFakerBlockingQueue<T>(
    val delegate: BlockingQueue<T>,
  ) : AbstractQueue<T>(),
    BlockingQueue<T> {
    override val size: Int = delegate.size

    private var editCount = 0

    override fun poll(): T = delegate.poll()

    override fun poll(
      timeout: Long,
      unit: TimeUnit,
    ): T? {

class DirFileEntryAdapterIterator extends FileEntryAdapterIterator {

    /**
     * @param parent
     * @param delegate
     * @param filter
     */
    public DirFileEntryAdapterIterator(final SmbResource parent, final CloseableIterator<FileEntry> delegate, final ResourceFilter filter) {
        super(parent, delegate, filter);
    }

    /**
     * @param fe
     * @return
     * @throws MalformedURLException
     */

    void testIsEstablishedShortCircuit() {
        SpnegoContext ctx = newContext();
        // The mock setup is unnecessary since we never call it
        assertFalse(ctx.isEstablished());
        verify(this.mechContext, never()).isEstablished();
    }

    @Test
    @DisplayName("getNetbiosName returns null and does not call delegate")
    void testGetNetbiosName() {

      checkNotNull(collection);
      throw new IllegalArgumentException("Key does not satisfy predicate: " + key);
    }

    @Override
    protected Set<V> delegate() {
      return emptySet();
    }
  }

  private static final class AddRejectingList<
          K extends @Nullable Object, V extends @Nullable Object>
      extends ForwardingList<V> {

      checkNotNull(collection);
      throw new IllegalArgumentException("Key does not satisfy predicate: " + key);
    }

    @Override
    protected Set<V> delegate() {
      return emptySet();
    }
  }

  private static final class AddRejectingList<
          K extends @Nullable Object, V extends @Nullable Object>
      extends ForwardingList<V> {

final class RegularImmutableSet<E> extends ForwardingImmutableSet<E> {
  static final RegularImmutableSet<Object> EMPTY =
      new RegularImmutableSet<Object>(Collections.emptySet());

  RegularImmutableSet(Set<E> delegate) {
    super(delegate);
  }

  /** Constructor for use by subclasses. */
  protected ForwardingSet() {}

  @Override
  protected abstract Set<E> delegate();

  @Override
  public boolean equals(@Nullable Object object) {
    return object == this || delegate().equals(object);
  }

  @Override
  public int hashCode() {
    return delegate().hashCode();
  }

  /**

    private final NavigableSet<E> delegate;
    private final SortedSet<E> unmodifiableDelegate;

    UnmodifiableNavigableSet(NavigableSet<E> delegate) {
      this.delegate = checkNotNull(delegate);
      this.unmodifiableDelegate = Collections.unmodifiableSortedSet(delegate);
    }

    @Override
    protected SortedSet<E> delegate() {
      return unmodifiableDelegate;
    }

    Executor delegate =
        new Executor() {
          @Override
          public void execute(Runnable task) {
            if (future.set(null)) {
              awaitUninterruptibly(latch);
            }
            throw new RejectedExecutionException();
          }
        };
    SequentialExecutor executor = new SequentialExecutor(delegate);