@Override
      public void invokeToData(Object ds, DataOutput out) throws IOException {
        InternalDataSerializer.invokeToData(ds, out);
      }
{@code RegistrationListener}s that receive callbacks when {@code DataSerializer}s and {@code
Instantiator}s are registered. Note: copy-on-write access used for this set
geode-core/src/main/java/org/apache/geode/internal/InternalDataSerializer.java