@class NSObject; @protocol OS_dispatch_queue; @interface ISDeferredDealloc : NSObject { NSObject<OS_dispatch_queue> *_deferredDeallocQueue; } + (id)sharedInstance; - (id)init; - (void)dealloc; - (void)_performDeferredDealloc:(id)a0; - (void)_performDeferredDealloc:(id)a0 withDelay:(double)a1; @end