A UI component in which the logic of interaction with buttons is encapsulated

  fileprivate lazy var eventlistView: InStatEventlistView = {
  
    let eventlist = InStatEventlistView()
    eventlist.dataSource = self
    eventlist.delegate = self
    eventlist.translatesAutoresizingMaskIntoConstraints = false
    return eventlist
  }()

  override func viewDidLoad() {
    super.viewDidLoad()
    view.addSubview(eventlistView)
  }

  func eventlistView(_ eventlistView: InStatEventlistView, heightForHeaderInSection section: Int) -> CGFloat
  func eventlistView(_ eventlistView: InStatEventlistView, didSelect item: Row, at indexPath: IndexPath)
  func eventlistView(_ eventlistView: InStatEventlistView, didDeselect item: Row, at indexPath: IndexPath)
  func eventlistView(_ eventlistView: InStatEventlistView, didShare item: Row, at indexPath: IndexPath)
  func eventlistView(_ eventlistView: InStatEventlistView, didDownload item: Row, at indexPath: IndexPath)
  func eventlistView(_ eventlistView: InStatEventlistView, didChangePlaySelectionState state: Bool, forItem item: Row, at indexPath: IndexPath)

  func numberOfSections(in eventlistView: InStatEventlistView) -> Int
  func eventlistView(_ eventlistView: InStatEventlistView, numberOfRowsInSection section: Int) -> Int
  func setEvents(for eventlistView: InStatEventlistView) -> [Section]

pod 'InStatEventlistView'