return entryItr.next().getValue();
      }
    };
  }

  @Override
  @GwtIncompatible // Spliterator
  public Spliterator<V> spliterator() {
    return CollectSpliterators.map(
        map.entrySet().spliterator(),
        Spliterator.ORDERED | Spliterator.IMMUTABLE | Spliterator.NONNULL,
        Entry::getValue);
  }

  @Override
  public boolean contains(@Nullable Object object) {

import java.util.Spliterator;
import java.util.function.Consumer;
import org.jspecify.annotations.Nullable;

@GwtCompatible
abstract class IndexedImmutableSet<E> extends ImmutableSet.CachingAsList<E> {
  abstract E get(int index);

  @Override
  public UnmodifiableIterator<E> iterator() {
    return asList().iterator();
  }

  @Override
  public Spliterator<E> spliterator() {

      iterable.forEach(action);
    }

    @SuppressWarnings("unchecked") // safe upcast, assuming no one has a crazy Spliterator subclass
    @Override
    public Spliterator<T> spliterator() {
      return (Spliterator<T>) iterable.spliterator();
    }

    @Override
    public String toString() {
      return iterable.toString();
    }

    return new RegularImmutableSortedSet<E>(parentSubList, comparator()).asList();
  }

  @Override
  public Spliterator<E> spliterator() {
    return CollectSpliterators.indexed(
        size(),
        ImmutableList.SPLITERATOR_CHARACTERISTICS | Spliterator.SORTED | Spliterator.DISTINCT,
        delegateList()::get,
        comparator());
  }

  // redeclare to help optimizers with b/310253115

  public int size() {
    return map.size();
  }

  @Override
  public UnmodifiableIterator<K> iterator() {
    return map.keyIterator();
  }

  @Override
  @GwtIncompatible // Spliterator
  public Spliterator<K> spliterator() {
    return map.keySpliterator();
  }

  @Override
  public boolean contains(@Nullable Object object) {
    return map.containsKey(object);
  }

  @Override
  K get(int index) {

   *   holdsLock assertions.
   *
   * - For stream() and spliterator(), we have to forward to the delegate ourselves because
   *   ForwardingSet does not forward `default` methods, as discussed in its Javadoc.
   */

  // Currently, we don't include stream() and spliterator() for our classes in the Android flavor.

  @Override
  public boolean remove(@Nullable Object o) {

  @SuppressWarnings("unchecked")
  @Override
  public UnmodifiableIterator<E> iterator() {
    return (UnmodifiableIterator<E>) Iterators.forArray(elements);
  }

  @Override
  public Spliterator<E> spliterator() {
    return Spliterators.spliterator(elements, SPLITERATOR_CHARACTERISTICS);
  }

  @Override
  Object[] internalArray() {
    return elements;
  }

  @Override
  int internalArrayStart() {
    return 0;

        return new AsMapIterator();
      }

      @Override
      public Spliterator<Entry<K, Collection<V>>> spliterator() {
        return CollectSpliterators.map(
            submap.entrySet().spliterator(),
            Spliterator.DISTINCT | Spliterator.NONNULL,
            AsMap.this::wrapEntry);
      }

      // The following methods are included for performance.

    }

    @Override
    public Spliterator<K> spliterator() {
      if (needsAllocArrays()) {
        return Spliterators.spliterator(new Object[0], Spliterator.DISTINCT | Spliterator.ORDERED);
      }
      Map<K, V> delegate = delegateOrNull();
      return (delegate != null)
          ? delegate.keySet().spliterator()
          : Spliterators.spliterator(

    return false;
  }

  @Override
  public UnmodifiableIterator<E> iterator() {
    return Iterators.unmodifiableIterator(delegate.iterator());
  }

  @Override
  public Spliterator<E> spliterator() {
    return delegate.spliterator();
  }

  @Override
  public void forEach(Consumer<? super E> action) {
    delegate.forEach(action);
  }

  @Override
  public int size() {
    return delegate.size();