class MainViewController: UIViewController, PopUpDelegate {

    override func viewDidLoad() {
      super.viewDidLoad()
    }


    // MARK: Delegate Methods

    func buttonAWasPressed(childViewController: PopUpViewController) {
        print("Button A was pressed")
    }

    func buttonBWasPressed(childViewController: PopUpViewController) {
        print("Button B was pressed")
    }

}