}

  @Override
  @J2ktIncompatible // serialization
  @GwtIncompatible // serialization
  Object writeReplace() {
    return SerializedForm.create(this, cellRowIndices, cellColumnIndices);
  }

    // We serialize by default to ImmutableList, the simplest thing that works.
    return new ImmutableList.SerializedForm(toArray());
  }

  @J2ktIncompatible // serialization
  private void readObject(ObjectInputStream stream) throws InvalidObjectException {
    throw new InvalidObjectException("Use SerializedForm");
  }

  /**
   * Abstract base class for builders of {@link ImmutableCollection} types.
   *

private final java.util.concurrent.CopyOnWriteArrayList failures; private final java.util.concurrent.atomic.AtomicLong runTime; private final java.util.concurrent.atomic.AtomicLong startTime; private Result$SerializedForm serializedForm; public void Result(); private void Result(Result$SerializedForm); public int getRunCount(); public int getFailureCount(); public long getRunTime(); public java.util.List getFailures(); public int getIgnoreCount(); public int getAssumptionFailure(); public boolean wasSuccessful();...

    ImmutableSet<SomeEnum> original = Sets.immutableEnumSet(SomeEnum.A, SomeEnum.B);
    int handleOffset = 6;
    byte[] serializedForm = serializeWithBackReference(original, handleOffset);
    ObjectInputStream in = new ObjectInputStream(new ByteArrayInputStream(serializedForm));

    ImmutableSet<?> deserialized = (ImmutableSet<?>) in.readObject();
    EnumSet<?> delegate = (EnumSet<?>) in.readObject();

    ImmutableSet<SomeEnum> original = Sets.immutableEnumSet(SomeEnum.A, SomeEnum.B);
    int handleOffset = 6;
    byte[] serializedForm = serializeWithBackReference(original, handleOffset);
    ObjectInputStream in = new ObjectInputStream(new ByteArrayInputStream(serializedForm));

    ImmutableSet<?> deserialized = (ImmutableSet<?>) in.readObject();
    EnumSet<?> delegate = (EnumSet<?>) in.readObject();

  @Override
  abstract Object writeReplace();

  @GwtIncompatible
  @J2ktIncompatible
  private void readObject(ObjectInputStream stream) throws InvalidObjectException {
    throw new InvalidObjectException("Use SerializedForm");
  }

  /**
   * Returns a new builder. The generated builder is equivalent to the builder created by the {@link
   * Builder} constructor.
   */
  public static <E> Builder<E> builder() {

  }

  private Object writeReplace() {
    return new SerialForm<T>(this);
  }

  private void readObject(ObjectInputStream stream) throws InvalidObjectException {
    throw new InvalidObjectException("Use SerializedForm");
  }

  private static class SerialForm<T extends @Nullable Object> implements Serializable {
    final long[] data;
    final int numHashFunctions;
    final Funnel<? super T> funnel;