AccessoryWithBrightness (hap-java 2.0.7-SNAPSHOT API)

```
public interface AccessoryWithBrightness
```
Accessory with brightness values.

Author:

Andy Lintner

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`java.util.concurrent.CompletableFuture<java.lang.Integer>`	`getBrightness()`	Retrieves the current brightness of the light
`java.util.concurrent.CompletableFuture<java.lang.Void>`	`setBrightness(java.lang.Integer value)`	Sets the current brightness of the light
`void`	`subscribeBrightness(HomekitCharacteristicChangeCallback callback)`	Subscribes to changes in the brightness of the light.
`void`	`unsubscribeBrightness()`	Unsubscribes from changes in the brightness of the light.

- Method Detail
  - getBrightness
```
java.util.concurrent.CompletableFuture<java.lang.Integer> getBrightness()
```
    Retrieves the current brightness of the light
    
    Returns:
    
    a future that will contain the brightness, expressed as an integer between 0 and 100.
  - setBrightness
```
java.util.concurrent.CompletableFuture<java.lang.Void> setBrightness(java.lang.Integer value)
                                                              throws java.lang.Exception
```
    Sets the current brightness of the light
    
    Parameters:
    
    value - the brightness, on a scale of 0 to 100, to set
    
    Returns:
    
    a future that completes when the brightness is changed
    
    Throws:
    
    java.lang.Exception - when the brightness cannot be set
  - subscribeBrightness
```
void subscribeBrightness(HomekitCharacteristicChangeCallback callback)
```
    Subscribes to changes in the brightness of the light.
    
    Parameters:
    
    callback - the function to call when the state changes.
  - unsubscribeBrightness
```
void unsubscribeBrightness()
```
    Unsubscribes from changes in the brightness of the light.