presto-orc/src/main/java/io/prestosql/orc/metadata/statistics/BooleanStatisticsBuilder.java/BooleanStatisticsBuilder/addBooleanStatistics
class BooleanStatisticsBuilder:    private void addBooleanStatistics(long valueCount, BooleanStatistics value)
    {
        requireNonNull(value, "value is null");

        nonNullValueCount += valueCount;
        trueValueCount += value.getTrueValueCount();
    }