code: public GetMediaStatisticResponse getMediaStatistic(
              String mediaId,
              Date startTime,
              Date endTime,
              boolean aggregate) {
          GetMediaStatisticRequest request =
                  new GetMediaStatisticRequest().withMediaId(mediaId)
                          .withStartTime(startTime).withEndTime(endTime)
                          .withAggregate(aggregate);
  
          return getMediaStatistic(request);
      }
docs: get media statistic info.
  
  <p>
  The caller <i>must</i> authenticate with a valid BCE Access Key / Private Key pair.
  
  @param startTime, query media start time, default:2016-04-30T16:00:00Z
  @param endTime, query media end time, default:now
  @param aggregate, if need aggregate, default: true
  @return The media statistic info