interface Async
| addOnReleasedListener | Add a OnReleasedListener abstract fun addOnReleasedListener(onReleasedListener: OnReleasedListener!): Future<Void!>! | 
| release | Release the focus and invalidate this FocusOwner. abstract fun release(): Future<Void!>! | 
| removeAllOnReleasedListeners | Remove all OnReleasedListener abstract fun removeAllOnReleasedListeners(): Future<Void!>! | 
| removeOnReleasedListener | Remove a OnReleasedListener abstract fun removeOnReleasedListener(onReleasedListener: OnReleasedListener!): Future<Void!>! | 
| setOnReleasedListener | Set a OnReleasedListener abstract fun  | 
| token | The token carried by this FocusOwner. abstract fun token(): Future<String!>! |