private static class SerializedForm<V> implements Serializable {
    final ImmutableMap<?, V> map;

    SerializedForm(ImmutableMap<?, V> map) {
      this.map = map;
    }

    Object readResolve() {
      return map.values();
    }

    private static final long serialVersionUID = 0;
  }

      private final String charsetCanonicalName;

      SerializedForm(Charset charset) {
        this.charsetCanonicalName = charset.name();
      }

      private Object readResolve() {
        return stringFunnel(Charset.forName(charsetCanonicalName));
      }

      private static final long serialVersionUID = 0;
    }
  }

  /**
   * Returns a funnel for integers.
   *

  @Override
  public <E extends Comparable<?>> E max(Iterable<E> iterable) {
    return NaturalOrdering.INSTANCE.min(iterable);
  }

  // preserving singleton-ness gives equals()/hashCode() for free
  private Object readResolve() {
    return INSTANCE;
  }

  @Override
  public String toString() {
    return "Ordering.natural().reverse()";
  }

  private ReverseNaturalOrdering() {}

  private static class SerializedForm<V> implements Serializable {
    final ImmutableMap<?, V> map;

    SerializedForm(ImmutableMap<?, V> map) {
      this.map = map;
    }

    Object readResolve() {
      return map.values();
    }

    private static final long serialVersionUID = 0;
  }

    final EnumMap<K, V> delegate;

    EnumSerializedForm(EnumMap<K, V> delegate) {
      this.delegate = delegate;
    }

    Object readResolve() {
      return new ImmutableEnumMap<>(delegate);
    }

    private static final long serialVersionUID = 0;
  }

    final EnumMap<K, V> delegate;

    EnumSerializedForm(EnumMap<K, V> delegate) {
      this.delegate = delegate;
    }

    Object readResolve() {
      return new ImmutableEnumMap<>(delegate);
    }

    private static final long serialVersionUID = 0;
  }

    private SerializedForm(String algorithmName, int bytes, String toString) {
      this.algorithmName = algorithmName;
      this.bytes = bytes;
      this.toString = toString;
    }

    private Object readResolve() {
      return new MessageDigestHashFunction(algorithmName, bytes, toString);
    }

    private static final long serialVersionUID = 0;
  }

  Object writeReplace() {

      int i = 0;
      for (Entry<? extends Object> entry : multiset.entrySet()) {
        elements[i] = entry.getElement();
        counts[i] = entry.getCount();
        i++;
      }
    }

    Object readResolve() {
      ImmutableMultiset.Builder<Object> builder =
          new ImmutableMultiset.Builder<Object>(elements.length);
      for (int i = 0; i < elements.length; i++) {
        builder.addCopies(elements[i], counts[i]);

    @Override
    public int hashCode() {
      return System.identityHashCode(this);
    }

    @Override
    public String toString() {
      return "-\u221e";
    }

    private Object readResolve() {
      return INSTANCE;
    }

    private static final long serialVersionUID = 0;
  }

  /*
   * The implementation neither produces nor consumes any non-null instance of

  private static class EntrySetSerializedForm<K, V> implements Serializable {
    final ImmutableMap<K, V> map;

    EntrySetSerializedForm(ImmutableMap<K, V> map) {
      this.map = map;
    }

    Object readResolve() {
      return map.entrySet();
    }

    private static final long serialVersionUID = 0;
  }