AccessoryWithClosedCaptions (hap-java 2.0.2 API)

```
public interface AccessoryWithClosedCaptions
```
Accessory with closed captions characteristic ClosedCaptionsCharacteristic.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`CompletableFuture<ClosedCaptionsEnum>`	`getClosedCaptions()`	Retrieves the closed captions state (see `ClosedCaptionsEnum` for supported values).
`CompletableFuture<Void>`	`setClosedCaptions(ClosedCaptionsEnum closedCaptions)`	Set the closed captions state (see `ClosedCaptionsEnum` for supported values).
`void`	`subscribeClosedCaptions(HomekitCharacteristicChangeCallback callback)`	Subscribes to changes in the closed captions.
`void`	`unsubscribeClosedCaptions()`	Unsubscribes from changes in the closed captions.

- Method Detail
  - getClosedCaptions
```
CompletableFuture<ClosedCaptionsEnum> getClosedCaptions()
```
    Retrieves the closed captions state (see ClosedCaptionsEnum for supported values).
    
    Returns:
    
    a future that will contain the closed captions
  - setClosedCaptions
```
CompletableFuture<Void> setClosedCaptions(ClosedCaptionsEnum closedCaptions)
```
    Set the closed captions state (see ClosedCaptionsEnum for supported values).
    
    Parameters:
    
    closedCaptions - closed captions
    
    Returns:
    
    a future that completes when the change is made
  - subscribeClosedCaptions
```
void subscribeClosedCaptions(HomekitCharacteristicChangeCallback callback)
```
    Subscribes to changes in the closed captions.
    
    Parameters:
    
    callback - the function to call when the closed captions changes.
  - unsubscribeClosedCaptions
```
void unsubscribeClosedCaptions()
```
    Unsubscribes from changes in the closed captions.