@class UICollectionView; @interface PUImportChangeDetailsCollectionViewHelper : NSObject @property (weak, nonatomic) UICollectionView *collectionView; - (id)initWithCollectionView:(id)a0; - (void).cxx_destruct; - (void)applyChangeDetails:(id)a0 completionBlock:(id /* block */)a1; - (void)transitionFromDataSource:(id)a0 toDataSource:(id)a1 changeHistory:(id)a2 animated:(BOOL)a3 completionHandler:(id /* block */)a4; @end