docs: public static String getRemoteGetKey(SIBUuid8 remoteUuid, SIBUuid12 gatheringTargetDestUuid)
    {
      String key = null;
      if (gatheringTargetDestUuid!=null)
        key = remoteUuid.toString()+gatheringTargetDestUuid.toString();
      else
        key = remoteUuid.toString()+SIMPConstants.DEFAULT_CONSUMER_SET;
      return key;
    }