* This class is used to serialize ImmutableRangeMap instances. Serializes the {@link
   * #asMapOfRanges()} form.
   */
  private static class SerializedForm<K extends Comparable<?>, V> implements Serializable {

    private final ImmutableMap<Range<K>, V> mapOfRanges;

    SerializedForm(ImmutableMap<Range<K>, V> mapOfRanges) {
      this.mapOfRanges = mapOfRanges;
    }

    Object readResolve() {

  }

  @GwtIncompatible
  @J2ktIncompatible
  @Override
  Object writeReplace() {
    return new SerializedForm(this);
  }

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

  /**

        return all();
      } else {
        return new ImmutableRangeSet<>(mergedRanges);
      }
    }
  }

  private static final class SerializedForm<C extends Comparable> implements Serializable {
    private final ImmutableList<Range<C>> ranges;

    SerializedForm(ImmutableList<Range<C>> ranges) {
      this.ranges = ranges;
    }

    Object readResolve() {
      if (ranges.isEmpty()) {

        return all();
      } else {
        return new ImmutableRangeSet<>(mergedRanges);
      }
    }
  }

  private static final class SerializedForm<C extends Comparable> implements Serializable {
    private final ImmutableList<Range<C>> ranges;

    SerializedForm(ImmutableList<Range<C>> ranges) {
      this.ranges = ranges;
    }

    Object readResolve() {
      if (ranges.isEmpty()) {

    return Sets.hashCodeImpl(this);
  }

  @GwtIncompatible // serialization
  @J2ktIncompatible
  private static final class SerializedForm<C extends Comparable> implements Serializable {
    final Range<C> range;
    final DiscreteDomain<C> domain;

    private SerializedForm(Range<C> range, DiscreteDomain<C> domain) {
      this.range = range;
      this.domain = domain;
    }

  }

  private Object writeReplace() {
    return new SerializedForm<>(delegate());
  }

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

  /** Serialized form of the map, to avoid serializing the constraint. */
  private static final class SerializedForm<B extends @Nullable Object> implements Serializable {

   * implementation types do not leak into the serialized representation.
   */
  @J2ktIncompatible // serialization
  static class SerializedForm implements Serializable {
    final Object[] elements;

    SerializedForm(Object[] elements) {
      this.elements = elements;
    }

    Object readResolve() {
      return copyOf(elements);
    }

    return new EnumSerializedForm<E>(delegate);
  }

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

  /*
   * This class is used to serialize ImmutableEnumSet instances.
   */
  @J2ktIncompatible // serialization

   * method. Publicly-accessible subclasses must override this method and should return a subclass
   * of SerializedForm whose readResolve() method returns objects of the subclass type.
   */
  @J2ktIncompatible // serialization
  Object writeReplace() {
    return new SerializedForm<>(this);
  }

  @J2ktIncompatible // java.io.ObjectInputStream

    for (Cell<R, C, V> cell : cellSet()) {
      // requireNonNull is safe because the cell exists in the table.
      cellColumnIndices[i++] = requireNonNull(columnKeyToIndex.get(cell.getColumnKey()));
    }
    return SerializedForm.create(this, cellRowIndices, cellColumnIndices);
  }