cl.delegate = builder
        cl.call()
        def firstChild = parent.getFirstChild()
        builder.elements.each { element ->
            parent.insertBefore(element, firstChild)
        }
    }

    public static void addBefore(Node sibling, Closure cl) {
        DomBuilder builder = new DomBuilder(sibling.ownerDocument, null)
        cl.delegate = builder
        cl.call()

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
     */

    }
  }

  private class ProgressRequestBody(
    private val delegate: RequestBody,
    private val progressListener: ProgressListener,
  ) : RequestBody() {
    override fun contentType() = delegate.contentType()

    @Throws(IOException::class)
    override fun contentLength(): Long = delegate.contentLength()

    @Throws(IOException::class)
    override fun writeTo(sink: BufferedSink) {

@Deprecated(since = "4.0.0")
public class MavenToolchainsXpp3Reader {

    private final MavenToolchainsStaxReader delegate;

    public MavenToolchainsXpp3Reader() {
        delegate = new MavenToolchainsStaxReader();
    }

    public MavenToolchainsXpp3Reader(ContentTransformer contentTransformer) {
        delegate = contentTransformer != null
                ? new MavenToolchainsStaxReader(contentTransformer::transform)

        .addEqualityGroup(set2, wrap(set2))
        .testEquals();
  }

  private static <T> Set<T> wrap(Set<T> delegate) {
    return new ForwardingSet<T>() {
      @Override
      protected Set<T> delegate() {
        return delegate;
      }
    };
  }

          // requireNonNull(delegate) is safe for reasons similar to requireNonNull(sequencer).
          submittingTaskQueue.nextExecutor = requireNonNull(delegate);
          delegate = null;
        } else {
          // requireNonNull(delegate) is safe for reasons similar to requireNonNull(sequencer).
          Executor localDelegate = requireNonNull(delegate);
          delegate = null;
          this.task = task;

    delegate.awaitTerminated(timeout, unit);
  }

  interface Cancellable {
    void cancel(boolean mayInterruptIfRunning);

    boolean isCancelled();
  }

  private static final class FutureAsCancellable implements Cancellable {
    private final Future<?> delegate;

    FutureAsCancellable(Future<?> delegate) {
      this.delegate = delegate;
    }

    @Override

    return tailMap(fromKey);
  }

  private ImmutableSortedMap<K, V> newView(SortedMap<K, V> delegate) {
    return newView(delegate, comparator);
  }

  private static <K, V> ImmutableSortedMap<K, V> newView(
      SortedMap<K, V> delegate, Comparator<? super K> comparator) {
    return new ImmutableSortedMap<K, V>(delegate, comparator);
  }

  /*

 */
internal class MockWebServerSocket(
  val javaNetSocket: Socket,
) : Closeable,
  BufferedSocket {
  private val delegate = javaNetSocket.asOkioSocket()
  private val closedLatch = CountDownLatch(2)

  override val source: BufferedSource =
    object : ForwardingSource(delegate.source) {
      private var closed = false

      override fun close() {
        if (closed) return
        try {

            }
        };

        // When/Then
        assertThrows(CIFSException.class, () -> iterator.close(), "Should propagate exception from delegate close");
    }

    /**
     * Test remove method delegates to underlying iterator.
     */
    @Test
    void testRemove() {
        // Given
        when(mockDelegate.hasNext()).thenReturn(true, false);