pub type NSCollectionLayoutSectionVisibleItemsInvalidationHandler = *mut Block<dyn Fn(NonNull<NSArray<ProtocolObject<dyn NSCollectionLayoutVisibleItem>>>, CGPoint, NonNull<ProtocolObject<dyn NSCollectionLayoutEnvironment>>)>;Available on crate features
UICollectionViewCompositionalLayout and UIDynamicBehavior and block2 and objc2-core-foundation only.