AccessoryWithVolumeControlType (hap-java 2.0.2 API)

```
public interface AccessoryWithVolumeControlType
```
Accessory with volume control type VolumeControlTypeCharacteristic

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`CompletableFuture<VolumeControlTypeEnum>`	`getVolumeControlType()`	Retrieves the current volume control type.
`void`	`subscribeVolumeControlType(HomekitCharacteristicChangeCallback callback)`	Subscribes to changes in the volume.
`void`	`unsubscribeVolumeControlType()`	Unsubscribes from changes in the volume.

- Method Detail
  - getVolumeControlType
```
CompletableFuture<VolumeControlTypeEnum> getVolumeControlType()
```
    Retrieves the current volume control type. see VolumeControlTypeEnum for possible values
    
    Returns:
    
    a future that will contain the type.
  - subscribeVolumeControlType
```
void subscribeVolumeControlType(HomekitCharacteristicChangeCallback callback)
```
    Subscribes to changes in the volume.
    
    Parameters:
    
    callback - the function to call when the state changes.
  - unsubscribeVolumeControlType
```
void unsubscribeVolumeControlType()
```
    Unsubscribes from changes in the volume.