BotToastNavigatorObserverProxy constructor
BotToastNavigatorObserverProxy({})
Implementation
BotToastNavigatorObserverProxy(
{this.didPush, this.didReplace, this.didRemove, this.didPop});
BotToastNavigatorObserverProxy(
{this.didPush, this.didReplace, this.didRemove, this.didPop});