presto-main/src/main/java/io/prestosql/operator/aggregation/state/LongDecimalWithOverflowAndLongStateSerializer.java/LongDecimalWithOverflowAndLongStateSerializer/getSerializedType
class LongDecimalWithOverflowAndLongStateSerializer:    @Override
    public Type getSerializedType()
    {
        return VARBINARY;
    }