@class _UICollectionViewAnimationContext; @protocol _UICollectionViewAnimationContext; @interface _UICollectionViewAnimator : NSObject <NSCopying> { id<_UICollectionViewAnimationContext> _animationContext; } @property (readonly, nonatomic) id /* block */ handler; @property (retain, nonatomic) _UICollectionViewAnimationContext *animationContext; - (id)initWithHandler:(id /* block */)a0; - (void).cxx_destruct; - (id)copyWithZone:(struct _NSZone { } *)a0; @end