@class NSUUID, _UIDropAnimationHandlers, UIDragItem, NSString, NSIndexPath; @protocol _UICollectionViewPlaceholderContextDelegate; @interface _UICollectionViewPlaceholderContext : NSObject <UICollectionViewPlaceholderContext, _UICollectionViewDropPlaceholderContext> @property (weak, nonatomic) id<_UICollectionViewPlaceholderContextDelegate> delegate; @property (retain, nonatomic) UIDragItem *dragItem; @property (retain, nonatomic) _UIDropAnimationHandlers *animationHandlers; @property (retain, nonatomic) NSUUID *shadowUpdateIdentifier; @property (retain, nonatomic) NSString *reuseIdentifier; @property (retain, nonatomic) NSIndexPath *originalInsertionIndexPath; @property (copy, nonatomic) id /* block */ cellUpdateHandler; @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; - (void)addCompletion:(id /* block */)a0; - (void)addAnimations:(id /* block */)a0; - (void).cxx_destruct; - (BOOL)commitInsertionWithDataSourceUpdates:(id /* block */)a0; - (BOOL)deletePlaceholder; - (id)initWithOriginalInsertionIndexPath:(id)a0 dragItem:(id)a1 reuseIdentifier:(id)a2 delegate:(id)a3 cellUpdateHandler:(id /* block */)a4; - (void)setNeedsCellUpdate; @end