Notification.Name in Obj-C

foo.m

- (void)createNotification {
  NSNotification *note = [[NSNotification alloc] initWithName:JMSFoo.noteName object:nil userInfo:nil];
  [[NSNotificationCenter defaultCenter] postNotification: note];
}

notifications.swift

protocol NotificationSupporting {
    static var noteName: String { get }
    static var notification: Notification.Name { get }
}

extension NotificationSupporting {
    public static var notification: Notification.Name {
        return Notification.Name(rawValue: self.noteName)
    }
}

@objc(JMSFoo)
class Foo: NSObject, NotificationSupporting {
    public static let noteName: String = "HelloWorld"
}