public boolean noVersionReceivedFromServer(){
  return versionTag == null && region.concurrencyChecksEnabled && region.getServerProxy() != null && !op.isLocal() && !isOriginRemote();
}

public boolean noVersionReceivedFromServer ( ) { return versionTag == null && region . concurrencyChecksEnabled && region . getServerProxy ( ) != null && ! op . isLocal ( ) && ! isOriginRemote ( ) ; }
returns true if it is okay to process this event even though it has a null version
