protocol DetailSectionProvider {
    func layoutSection(contentWidth: CGFloat, traitCollection: UITraitCollection) -> NSCollectionLayoutSection
    func provideCell(_ collectionView: UICollectionView, indexPath: IndexPath, item: DetailSectionItem) -> UICollectionViewCell
    func provideHeaderView(_ collectionView: UICollectionView, indexPath: IndexPath, section: DetailSection) -> UICollectionReusableView?
    func provideFooterView(_ collectionView: UICollectionView, indexPath: IndexPath, section: DetailSection) -> UICollectionReusableView?
}

struct DetailSectionModel {
    var provider: DetailSectionProvider
    var section: DetailSection
    var items: [DetailSectionItem]
}