code: function compare(mqA, mqB) {
    if (mqA.topic === mqB.topic) {
      if (mqA.brokerName === mqB.brokerName) {
        return mqA.queueId - mqB.queueId;
      }
      return mqA.brokerName > mqB.brokerName ? 1 : -1;
    }
    return mqA.topic > mqB.topic ? 1 : -1;
  }
docs: Helper ------------------