docs: public MtasDataItemNumberComparator<Double> getCompareValue2() {
      switch (sortType) {
      case CodecUtil.STATS_TYPE_SUMOFLOGS:
        return new MtasDataItemNumberComparator<>(valueSumOfLogs, sortDirection);
      case CodecUtil.STATS_TYPE_MEAN:
      case CodecUtil.STATS_TYPE_GEOMETRICMEAN:
      case CodecUtil.STATS_TYPE_STANDARDDEVIATION:
      case CodecUtil.STATS_TYPE_VARIANCE:
      case CodecUtil.STATS_TYPE_POPULATIONVARIANCE:
      case CodecUtil.STATS_TYPE_QUADRATICMEAN:
        return new MtasDataItemNumberComparator<>(getValue(sortType),
            sortDirection);
      default:
        return null;
      }
    }