presto-orc/src/main/java/io/prestosql/orc/metadata/statistics/StripeStatistics.java/StripeStatistics/StripeStatistics
class StripeStatistics:    public StripeStatistics(ColumnMetadata<ColumnStatistics> columnStatistics)
    {
        this.columnStatistics = requireNonNull(columnStatistics, "columnStatistics is null");
        this.retainedSizeInBytes = INSTANCE_SIZE + columnStatistics.stream().mapToLong(ColumnStatistics::getRetainedSizeInBytes).sum();
    }