@Override
  public void toData(DataOutput out,
      SerializationContext context) throws IOException {
    super.toData(out, context);
    InternalDataSerializer.invokeToData(pattern, out);
    out.writeBoolean(cancel);
  }
An instruction to all members that they should forget about the persistent member described by
this pattern. TODO prpersist - This extends AdminRequest, but it doesn't work with most of the
admin paradigm, which is a request response to a single member. Maybe we need to a new base
class.
geode-core/src/main/java/org/apache/geode/internal/admin/remote/PrepareRevokePersistentIDRequest.java