presto-main/src/main/java/io/prestosql/operator/aggregation/DefaultApproximateCountDistinctAggregation.java/DefaultApproximateCountDistinctAggregation/evaluateFinal
class DefaultApproximateCountDistinctAggregation:    @OutputFunction(StandardTypes.BIGINT)
    public static void evaluateFinal(BooleanDistinctState state, BlockBuilder out)
    {
        ApproximateCountDistinctAggregation.evaluateFinal(state, out);
    }