AccessoryWithTargetVerticalTilting (hap-java 2.0.2 API)

```
public interface AccessoryWithTargetVerticalTilting
```
Accessory with target vertical tilting characteristic.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`CompletableFuture<Integer>`	`getTargetVerticalTiltAngle()`	Retrieves the target vertical tilt angle
`CompletableFuture<Void>`	`setTargetVerticalTiltAngle(int angle)`	Sets the target position
`void`	`subscribeTargetVerticalTiltAngle(HomekitCharacteristicChangeCallback callback)`	Subscribes to changes in the target vertical tilt angle.
`void`	`unsubscribeTargetVerticalTiltAngle()`	Unsubscribes from changes in the target vertical tilt angle

- Method Detail
  - getTargetVerticalTiltAngle
```
CompletableFuture<Integer> getTargetVerticalTiltAngle()
```
    Retrieves the target vertical tilt angle
    
    Returns:
    
    a future that will contain the target position as a value between -90 and 90
  - setTargetVerticalTiltAngle
```
CompletableFuture<Void> setTargetVerticalTiltAngle(int angle)
                                            throws Exception
```
    Sets the target position
    
    Parameters:
    
    angle - the target angle to set, as a value between -90 and 90
    
    Returns:
    
    a future that completes when the change is made
    
    Throws:
    
    Exception - when the change cannot be made
  - subscribeTargetVerticalTiltAngle
```
void subscribeTargetVerticalTiltAngle(HomekitCharacteristicChangeCallback callback)
```
    Subscribes to changes in the target vertical tilt angle.
    
    Parameters:
    
    callback - the function to call when the state changes.
  - unsubscribeTargetVerticalTiltAngle
```
void unsubscribeTargetVerticalTiltAngle()
```
    Unsubscribes from changes in the target vertical tilt angle