.addEqualityGroup(map2, wrap(map2))
        .testEquals();
  }

  private static <K, V> SortedMap<K, V> wrap(SortedMap<K, V> delegate) {
    return new ForwardingSortedMap<K, V>() {
      @Override
      protected SortedMap<K, V> delegate() {
        return delegate;
      }
    };
  }

    public final Object mutex;
    private final Map<K, V> delegate;

    public TestMap(Map<K, V> delegate, Object mutex) {
      checkNotNull(mutex);
      this.delegate = delegate;
      this.mutex = mutex;
    }

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

    @Override
    public int size() {
      assertTrue(Thread.holdsLock(mutex));

            return delegate.startAsync();
          }

          @Override
          public final Service stopAsync() {
            return delegate.stopAsync();
          }

          @Override
          public final void awaitRunning() {
            delegate.awaitRunning();
          }

          @Override

final class RegularImmutableSortedSet<E> extends ImmutableSortedSet<E> {
  /** true if this set is a subset of another immutable sorted set. */
  final boolean isSubset;

  RegularImmutableSortedSet(SortedSet<E> delegate, boolean isSubset) {
    super(delegate);
    this.isSubset = isSubset;
  }

  @Override
  ImmutableList<E> createAsList() {
    return new ImmutableSortedAsList<>(this, ImmutableList.asImmutableList(toArray()));
  }

    val call = RealCall(client, Request(address.url), forWebSocket = false)
    val chain = newChain(call)
    return RealRoutePlanner(
      taskRunner = client.taskRunner,
      connectionPool = client.connectionPool.delegate,
      readTimeoutMillis = client.readTimeoutMillis,
      writeTimeoutMillis = client.writeTimeoutMillis,
      socketConnectTimeoutMillis = chain.connectTimeoutMillis,

final class SingletonImmutableList<E> extends ForwardingImmutableList<E> {
  private final transient List<E> delegate;
  private final E element;

  SingletonImmutableList(E element) {
    this.delegate = singletonList(checkNotNull(element));
    this.element = element;
  }

  @Override
  List<E> delegateList() {
    return delegate;
  }

    return ImmutableMultimap.<String, Integer>of().asMap();
  }

  @Override
  protected Map<String, Collection<Integer>> makePopulatedMap() {
    Multimap<String, Integer> delegate = HashMultimap.create();
    populate(delegate);
    return ImmutableMultimap.copyOf(delegate).asMap();
  }

        .asMap();
  }

  @Override
  protected Map<String, Collection<Integer>> makePopulatedMap() {
    ListMultimap<String, Integer> delegate = ArrayListMultimap.create();
    populate(delegate);
    return Multimaps.transformValues(delegate, Functions.<Integer>identity()).asMap();
  }

import okio.Buffer
import okio.ForwardingSink
import okio.Sink

/** A sink that never throws IOExceptions, even if the underlying sink does. */
internal open class FaultHidingSink(
  delegate: Sink,
  val onException: (IOException) -> Unit,
) : ForwardingSink(delegate) {
  private var hasErrors = false

  override fun write(
    source: Buffer,
    byteCount: Long,
  ) {
    if (hasErrors) {
      source.skip(byteCount)

            }
          }

          private void mutateDelegate() {
            allStates.add(ImmutableList.copyOf(delegate));
            remainingActions.next().perform(delegate);
            allStates.add(ImmutableList.copyOf(delegate));
          }
        };

    @SuppressWarnings("unchecked")
    ConcurrentlyMutatedList<Integer> list =