return new WriterBuilder<>(functions, keyspaceName, tableName, rowWriterFactory, columnSelector, connector, writeConf);
}
public WriterBuilder<T> withBatchSize(BatchSize batchSize) {
return new WriterBuilder<>(functions, keyspaceName, tableName, rowWriterFactory, columnSelector, connector,
new WriteConf(batchSize, writeConf.consistencyLevel(), writeConf.parallelismLevel())
);
}