presto-main/src/main/java/io/prestosql/operator/aggregation/minmaxby/LongAndBlockPositionStateSerializer.java/LongAndBlockPositionStateSerializer/LongAndBlockPositionStateSerializer
class LongAndBlockPositionStateSerializer:    LongAndBlockPositionStateSerializer(Type firstType, Type secondType)
    {
        super(firstType, secondType);
    }