src/vs/workbench/contrib/extensions/browser/extensionRecommendationNotificationService.ts/RecommendationsNotification/updateNotificationHandle
class RecommendationsNotification:	private updateNotificationHandle(notificationHandle: INotificationHandle) {
		this.onDidCloseDisposable.clear();
		this.onDidChangeVisibilityDisposable.clear();
		this.notificationHandle = notificationHandle;

		this.onDidCloseDisposable.value = this.notificationHandle.onDidClose(() => {
			this.onDidCloseDisposable.dispose();
			this.onDidChangeVisibilityDisposable.dispose();

			this._onDidClose.fire();

			this._onDidClose.dispose();
			this._onDidChangeVisibility.dispose();
		});
		this.onDidChangeVisibilityDisposable.value = this.notificationHandle.onDidChangeVisibility((e) => this._onDidChangeVisibility.fire(e));
	}