src/vs/workbench/browser/parts/notifications/notificationsStatus.ts/NotificationsStatus/registerListeners
class NotificationsStatus:	private registerListeners(): void {
		this._register(this.model.onDidChangeNotification(e => this.onDidChangeNotification(e)));
		this._register(this.model.onDidChangeStatusMessage(e => this.onDidChangeStatusMessage(e)));
	}