public void reserveNewEventId(DistributedSystem sys, int count) {
    Assert.assertTrue(eventID == null, "Double setting event id");
    eventID = new EventID(sys);
    if (count > 1) {
      eventID.reserveSequenceId(count - 1);
    }
  }
get the RemoteOperationMessage that caused this event, or null if the event was not caused by a
RemoteOperationMessage
geode-core/src/main/java/org/apache/geode/internal/cache/EntryEventImpl.java