@Override
    public void fromData(DataInput in,
        DeserializationContext context) throws IOException, ClassNotFoundException {
      super.fromData(in, context);
      regionPath = DataSerializer.readString(in);
      processorId = in.readInt();
    }
Id of the {@link InitialImageOperation.ImageProcessor} that will handle the replies
geode-core/src/main/java/org/apache/geode/internal/cache/InitialImageOperation.java