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