Overriding root view controller confronting to StoryboardInitializable to initialize from storyboard

HeroDetailsViewController.swift

final class HeroDetailsViewController: RootViewController {

    override class func instantiateFromStoryboard(presenter aPresenter: Presenter) -> UIViewController {
        let vc = UIStoryboard(name: "Hero", bundle: nil)
            .instantiateViewController(withIdentifier: "HeroDetailsViewController")
            as! HeroDetailsViewController
        vc.presenter = aPresenter as? HeroDetailsPresenter
        return vc
    }
}