presto-main/src/main/java/io/prestosql/type/Re2JRegexpType.java/Re2JRegexpType/createBlockBuilder
class Re2JRegexpType:    @Override
    public BlockBuilder createBlockBuilder(BlockBuilderStatus blockBuilderStatus, int expectedEntries)
    {
        throw new PrestoException(GENERIC_INTERNAL_ERROR, "RegExp type cannot be serialized");
    }