@protocol _UIScrollViewLayoutObserver;
@interface OBScrollViewWeakLayoutObserver : NSObject <_UIScrollViewLayoutObserver> {
OBScrollViewWeakLayoutObserver *_selfReference;
id<_UIScrollViewLayoutObserver> _weakLayoutObserver;
}
- (void).cxx_destruct;
- (void)_scrollViewDidLayoutSubviews:(id)a0;
- (id)initWithLayoutObserver:(id)a0;
@end