@class NSSet; @interface SBSceneBackgroundedStatusAssertion : NSObject { id /* block */ _invalidationHandler; } @property (readonly, copy, nonatomic) NSSet *scenes; - (void)dealloc; - (void)invalidate; - (id)initWithScenes:(id)a0 invalidationHandler:(id /* block */)a1; - (void).cxx_destruct; @end