onDisposeObservable property
      
      Observable<Layer> 
      get
      onDisposeObservable
      
    
    
    
Implementation
external Observable<Layer> get onDisposeObservable;
      
      set
      onDisposeObservable
      (Observable<Layer>  onDisposeObservable) 
      
    
    
    
Implementation
external set onDisposeObservable(Observable<Layer> onDisposeObservable);