presto-main/src/main/java/io/prestosql/cost/PlanNodeStatsEstimateMath.java/PlanNodeStatsEstimateMath/addStatsAndSumDistinctValues
class PlanNodeStatsEstimateMath:    public static PlanNodeStatsEstimate addStatsAndSumDistinctValues(PlanNodeStatsEstimate left, PlanNodeStatsEstimate right)
    {
        return addStats(left, right, StatisticRange::addAndSumDistinctValues);
    }