abstract member badge: string option with get, set
abstract member body: string option with get, set
abstract member data: obj option with get, set
abstract member dir: NotificationDirection option with get, set
abstract member icon: string option with get, set
abstract member lang: string option with get, set
abstract member requireInteraction: bool option with get, set
abstract member silent: bool option with get, set
abstract member tag: string option with get, set