protected abstract T getIsolatedObject(ImmutableList<MapEntrySnapshot<Isolatable<?>>> entries);

        @Override
        protected void serialize(Encoder encoder, T value) throws Exception {
            List<MapEntrySnapshot<Isolatable<?>>> entrySnapshots = value.getEntries();
            encoder.writeInt(entrySnapshots.size());
            for (MapEntrySnapshot<Isolatable<?>> entrySnapshot : entrySnapshots) {

        }
    }

    private <T> T processMap(Map<?, ?> map, ValueVisitor<T> visitor) {
        ImmutableList.Builder<MapEntrySnapshot<T>> builder = ImmutableList.builderWithExpectedSize(map.size());
        for (Map.Entry<?, ?> entry : map.entrySet()) {
            builder.add(new MapEntrySnapshot<>(processValue(entry.getKey(), visitor), processValue(entry.getValue(), visitor)));
        }
        if (map instanceof Properties) {

            case MAP_SNAPSHOT:
                size = decoder.readSmallInt();
                ImmutableList.Builder<MapEntrySnapshot<ValueSnapshot>> mapBuilder = ImmutableList.builderWithExpectedSize(size);
                for (int i = 0; i < size; i++) {
                    mapBuilder.add(new MapEntrySnapshot<>(read(decoder), read(decoder)));
                }
                return new MapValueSnapshot(mapBuilder.build());