@class NSString; @interface SBIconListLayoutBlockObserver : NSObject <BSInvalidatable, SBIconListLayoutObserver> @property (copy, nonatomic) id /* block */ didAddIconViewBlock; @property (copy, nonatomic) id /* block */ didRemoveIconViewBlock; @property (copy, nonatomic) id /* block */ boundsSizeChangeBlock; @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; - (void)iconListViewDidChangeBoundsSize:(id)a0; - (void)iconListView:(id)a0 didRemoveIconView:(id)a1; - (void)iconListView:(id)a0 didAddIconView:(id)a1; - (void)invalidate; - (void).cxx_destruct; @end