presto-main/src/main/java/io/prestosql/operator/aggregation/state/LongDecimalWithOverflowStateFactory.java/LongDecimalWithOverflowStateFactory/getEstimatedSize
class LongDecimalWithOverflowStateFactory:        @Override
        public long getEstimatedSize()
        {
            if (getLongDecimal() == null) {
                return INSTANCE_SIZE;
            }
            return INSTANCE_SIZE + SIZE;
        }