@protocol WBSDeallocationSentinelObserver; @interface _WBSDeallocationSentinel : NSObject @property (weak, nonatomic) id<WBSDeallocationSentinelObserver> observer; @property (readonly, nonatomic) id context; - (id)initWithObserver:(id)a0 context:(id)a1; - (void)dealloc; - (void).cxx_destruct; @end