Func CollectionView

func collectionView(_ collectionView: UICollectionView, layout: UICollectionViewLayout, heightForHeaderInSection section: Int) -> Float

func collectionView(_ collectionView: UICollectionView, layout: UICollectionViewLayout, heightForFooterInSection section: Int) -> Float

func collectionView(_ collectionView: UICollectionView, layout: UICollectionViewLayout, insetForSection section: Int) -> UIEdgeInsets

func collectionView(_ collectionView: UICollectionView, layout: UICollectionViewLayout, insetForHeaderInSection section: Int) -> UIEdgeInsets

func collectionView(_ collectionView: UICollectionView, layout: UICollectionViewLayout, insetForFooterInSection section: Int) -> UIEdgeInsets

func collectionView(_ collectionView: UICollectionView, layout: UICollectionViewLayout, minimumInteritemSpacingForSection section: Int) -> Float
Worrisome Wolverine