StructuredSharedAccesibilityIdentifiers

protocol AccesibilityContainer {
    var baseIdentifier: String { get }
}

extension AccesibilityContainer {
    func identifier(_ identifier: String) -> String {
        return "\(baseIdentifier).\(identifier)"
    }
}

struct AppAccessibility {
    struct ViewController: AccesibilityContainer {
        let baseIdentifier = "ViewController"
        var durationLabel: String { return identifier("durationLabel") }
        var restartButton: String { return identifier("restarButton") }
    }

    struct DetailViewController: AccesibilityContainer {
        let baseIdentifier = "DetailViewController"
        var restartButton: String { return identifier("restarButton") }
    }
}