ios – .ephemeral says that dont exist in UNauthoritazionStatus

When i attempt to constructed my app coming from PWABuilder in Xcode in IOS it says Kind ‘UNAuthorizationStatus’ has no member ‘ephemeral’I’ve checked Apple Information and it says it exist. Im not an knowledgeable in IOS so i am form of misplaced proper now

func handlePushPermission() {
    UNUserNotificationCenter.present().getNotificationSettings () { settings in
            change settings.authorizationStatus {
            case .notDetermined:
                let authOptions: UNAuthorizationOptions = [.alert, .badge, .sound]
                UNUserNotificationCenter.present().requestAuthorization(
                    choices: authOptions,
                    completionHandler: { (success, error) in
                        if error == nil {
                            if success == true {
                                returnPermissionResult(isGranted: true)
                                DispatchQueue.fundamental.async {
                                  UIApplication.shared.registerForRemoteNotifications()
                                }
                            }
                            else {
                                returnPermissionResult(isGranted: false)
                            }
                        }
                        else {
                            returnPermissionResult(isGranted: false)
                        }
                    }
                )
            case .denied:
                returnPermissionResult(isGranted: false)
//Error 1
            case .licensed, .ephemeral, .provisional:
                returnPermissionResult(isGranted: true)
            @unknown default:
                return;
            }
        }
}
func handlePushState() {
    UNUserNotificationCenter.present().getNotificationSettings () { settings in
        change settings.authorizationStatus {
        case .notDetermined:
            returnPermissionState(state: "notDetermined")
        case .denied:
            returnPermissionState(state: "denied")
        case .licensed:
            returnPermissionState(state: "licensed")
//Error 2
        case .ephemeral:
            returnPermissionState(state: "ephemeral")
        case .provisional:
            returnPermissionState(state: "provisional")
        @unknown default:
            returnPermissionState(state: "unknown")
            return;
        }
    }
}