presto-main/src/main/java/io/prestosql/operator/aggregation/state/LongDecimalWithOverflowAndLongStateFactory.java/LongDecimalWithOverflowAndLongStateFactory/getGroupedStateClass
class LongDecimalWithOverflowAndLongStateFactory:    @Override
    public Class<? extends LongDecimalWithOverflowAndLongState> getGroupedStateClass()
    {
        return GroupedLongDecimalWithOverflowAndLongState.class;
    }