src/vs/workbench/contrib/extensions/browser/extensionRecommendationNotificationService.ts/ExtensionRecommendationNotificationService/showNextNotification
class ExtensionRecommendationNotificationService:	private showNextNotification(): void {
		const index = this.getNextPendingNotificationIndex();
		const [nextNotificaiton] = index > -1 ? this.pendingNotificaitons.splice(index, 1) : [];

		// Show the next notification after a delay of 500ms (after the current notification is dismissed)
		timeout(nextNotificaiton ? 500 : 0)
			.then(() => {
				this.unsetVisibileNotification();
				if (nextNotificaiton) {
					this.visibleNotification = { recommendationsNotification: nextNotificaiton.recommendationsNotification, source: nextNotificaiton.source, from: Date.now() };
					nextNotificaiton.recommendationsNotification.show();
				}
			});
	}