public void toDataPre_GEODE_1_6_0_0(DataOutput out, SerializationContext context)
      throws IOException {
    DataSerializer.writeString(memberIdOrName, out);
    DataSerializer.writePrimitiveBoolean(isSuccessful(), out);
    context.getSerializer().writeObject(xmlEntity, out);
    DataSerializer.writeObjectArray(serializables, out);
    context.getSerializer().writeObject(resultObject, out);
    DataSerializer.writeByteArray(byteData, out);
  }
This can be removed once all commands are using ResultModel.
geode-core/src/main/java/org/apache/geode/management/internal/functions/CliFunctionResult.java