@Override
    public void toData(DataOutput out,
        SerializationContext context) throws IOException {
      super.toData(out, context);
      DataSerializer.writeString(adviseePath, out);
      out.writeInt(processorId);
      DataSerializer.writeObject(profile, out);
      out.writeBoolean(exchangeProfiles);
      out.writeBoolean(removeProfile);
    }
If this processor being used by controller then return ALL members; otherwise defer to super.

@return a Set of the current members
@since GemFire 5.7
geode-core/src/main/java/org/apache/geode/internal/cache/UpdateAttributesProcessor.java