V value = (V) stream.readObject();
        values.add(value);
      }
    }
  }

  // Secret sauce for setting final fields; don't make it public.
  static <T> FieldSetter<T> getFieldSetter(Class<T> clazz, String fieldName) {
    try {
      Field field = clazz.getDeclaredField(fieldName);
      return new FieldSetter<>(field);
    } catch (NoSuchFieldException e) {

    Comparator<? super E> comparator = (Comparator<? super E>) requireNonNull(stream.readObject());
    Serialization.getFieldSetter(AbstractSortedMultiset.class, "comparator").set(this, comparator);
    Serialization.getFieldSetter(TreeMultiset.class, "range")
        .set(this, GeneralRange.all(comparator));
    Serialization.getFieldSetter(TreeMultiset.class, "rootReference")
        .set(this, new Reference<AvlNode<E>>());

        V value = (V) stream.readObject();
        values.add(value);
      }
    }
  }

  // Secret sauce for setting final fields; don't make it public.
  static <T> FieldSetter<T> getFieldSetter(Class<T> clazz, String fieldName) {
    try {
      Field field = clazz.getDeclaredField(fieldName);
      return new FieldSetter<>(field);
    } catch (NoSuchFieldException e) {

    static final Serialization.FieldSetter<? super ImmutableMultimap<?, ?>> MAP_FIELD_SETTER =
        Serialization.getFieldSetter(ImmutableMultimap.class, "map");
    static final Serialization.FieldSetter<? super ImmutableMultimap<?, ?>> SIZE_FIELD_SETTER =
        Serialization.getFieldSetter(ImmutableMultimap.class, "size");

    private FieldSettersHolder() {}
  }

  @J2ktIncompatible
  private static final class SetFieldSettersHolder {
    static final Serialization.FieldSetter<? super ImmutableSetMultimap<?, ?>>
        EMPTY_SET_FIELD_SETTER =
            Serialization.getFieldSetter(ImmutableSetMultimap.class, "emptySet");
  }

  @GwtIncompatible
  @J2ktIncompatible
  // Serialization type safety is at the caller's mercy.
  @SuppressWarnings("unchecked")

  @J2ktIncompatible
  private static final class SetFieldSettersHolder {
    static final Serialization.FieldSetter<? super ImmutableSetMultimap<?, ?>>
        EMPTY_SET_FIELD_SETTER =
            Serialization.getFieldSetter(ImmutableSetMultimap.class, "emptySet");
  }

  @GwtIncompatible
  @J2ktIncompatible
  // Serialization type safety is at the caller's mercy.
  @SuppressWarnings("unchecked")