Acknowledgment (SmallRye Reactive Messaging 3.12.1 API)

```
@Retention(RUNTIME)
public @interface Acknowledgment
```
Configure the acknowledgement policy for the given @Incoming. The set of supported acknowledgment policies depends on the method signature. The following list gives the supported strategies for some common use cases. Please refer to the specification for the full list.
- @Incoming("channel") void method(I payload): Post-processing (default), Pre-processing, None
- @Incoming("channel") CompletionStage<?> method(I payload): Post-processing (default), Pre-processing, None
- @Incoming("in") @Outgoing("out") Message<O> method(Message<I> msg): Pre-processing, None, Manual (default)
- @Incoming("in") @Outgoing("out") O method(I payload): Post-Processing (default), Pre-processing, None
Note that all messages must be acknowledged. An absence of acknowledgment is considered as a failure.

- Required Element Summary
  
  Required Elements
  Modifier and Type Required Element Description
  
  Acknowledgment.Strategy value

- Element Detail
  - value
```
Acknowledgment.Strategy value
```
    Returns:
    
    the acknowledgement policy.