@Override
    public void fromData(DataInput in,
        DeserializationContext context) throws IOException, ClassNotFoundException {
      super.fromData(in, context);
      eventID = DataSerializer.readObject(in);
      serialNum = DataSerializer.readPrimitiveInt(in);
      notifyOfRegionDeparture = DataSerializer.readPrimitiveBoolean(in);
      subregionSerialNumbers = DataSerializer.readHashMap(in);
    }
Return true if a reply should be sent
geode-core/src/main/java/org/apache/geode/internal/cache/DestroyRegionOperation.java