presto-main/src/main/java/io/prestosql/operator/aggregation/QuantileDigestAggregationFunction.java/QuantileDigestAggregationFunction/evaluateFinal
class QuantileDigestAggregationFunction:    public static void evaluateFinal(QuantileDigestStateSerializer serializer, QuantileDigestState state, BlockBuilder out)
    {
        serializer.serialize(state, out);
    }