presto-main/src/main/java/io/prestosql/operator/aggregation/state/LongDecimalWithOverflowStateFactory.java/LongDecimalWithOverflowStateFactory/createGroupedState
class LongDecimalWithOverflowStateFactory:    @Override
    public LongDecimalWithOverflowState createGroupedState()
    {
        return new GroupedLongDecimalWithOverflowState();
    }