docs: public DelayStat findRealtimeDelayStat(Long pipelineId) {
          Assert.assertNotNull(pipelineId);
          DelayStatDO delayStatDO = delayStatDao.findRealtimeDelayStat(pipelineId);
          DelayStat delayStat = new DelayStat();
          if (delayStatDO != null) {
              delayStat = delayStatDOToModel(delayStatDO);
          }
          return delayStat;
      }