presto-main/src/main/java/io/prestosql/sql/planner/plan/TableFinishNode.java/TableFinishNode/getStatisticsAggregationDescriptor
class TableFinishNode:    @JsonProperty
    public Optional<StatisticAggregationsDescriptor<Symbol>> getStatisticsAggregationDescriptor()
    {
        return statisticsAggregationDescriptor;
    }