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

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

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

      return new AsSetSerializedForm<C>(ranges, domain);
    }

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

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

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

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

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

  @GwtIncompatible // serialization
  abstract Object writeReplace();

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

  private static final long serialVersionUID = 0xdecaf;

    }

    ImmutableMap<Object, ImmutableList<Object>> tmpMap;
    try {
      tmpMap = builder.buildOrThrow();
    } catch (IllegalArgumentException e) {
      throw (InvalidObjectException) new InvalidObjectException(e.getMessage()).initCause(e);
    }

    FieldSettersHolder.MAP_FIELD_SETTER.set(this, tmpMap);
    FieldSettersHolder.SIZE_FIELD_SETTER.set(this, tmpSize);
  }

        throw new InvalidObjectException("Duplicate key-value pairs exist for key " + key);
      }
      builder.put(key, valueSet);
      tmpSize += valueCount;
    }

    ImmutableMap<Object, ImmutableSet<Object>> tmpMap;
    try {
      tmpMap = builder.buildOrThrow();
    } catch (IllegalArgumentException e) {
      throw (InvalidObjectException) new InvalidObjectException(e.getMessage()).initCause(e);
    }

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

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

  private static final long serialVersionUID = 0;

      return new InverseSerializedForm<>(RegularImmutableBiMap.this);
    }

    @J2ktIncompatible // java.io.ObjectInputStream
    private void readObject(ObjectInputStream stream) throws InvalidObjectException {
      throw new InvalidObjectException("Use InverseSerializedForm");
    }
  }

  @J2ktIncompatible // serialization
  private static class InverseSerializedForm<K, V> implements Serializable {

    }

    ImmutableMap<Object, ImmutableList<Object>> tmpMap;
    try {
      tmpMap = builder.buildOrThrow();
    } catch (IllegalArgumentException e) {
      throw (InvalidObjectException) new InvalidObjectException(e.getMessage()).initCause(e);
    }

    FieldSettersHolder.MAP_FIELD_SETTER.set(this, tmpMap);
    FieldSettersHolder.SIZE_FIELD_SETTER.set(this, tmpSize);
  }

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

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

  /**
   * Not supported. Use {@link #toImmutableBiMap} instead. This method exists only to hide {@link