Hi Yunze, Yunze Xu <y...@streamnative.io.invalid> 于2022年11月10日周四 20:17写道：
> ```java > Map<String, CompletableFuture<Void>> seekAsync(Map<String, MessageId> > messageIdMap); > Map<String, CompletableFuture<Void>> acknowledgeAsync(Map<String, > MessageId> messageIdMap); > Map<String, CompletableFuture<Void>> > acknowledgeCumulativeAsync(Map<String, MessageId> messageIdMap); > ``` why not add the method using `String topicName directly, MessageId msgId` directly? like: ``` CompletableFuture<Void> seekAsync(String topicName, MessageId msgId); CompletableFuture<Void> acknowledgeAsync(String topicName, MessageId msgId); CompletableFuture<Void> acknowledgeCumulativeAsync(String topicName, MessageId msgId); ``` it is more simple and easy to understand. otherwise, we need to add the method ``` Map<String, List<CompletableFuture<Void>>> acknowledgeAsync(Map<String, List< MessageId>> messageIdMap); ```
