src/vs/workbench/browser/parts/notifications/notificationsCenter.ts/NotificationsCenter/updateTitle
class NotificationsCenter:	private updateTitle(): void {
		const [notificationsCenterTitle, clearAllAction] = assertAllDefined(this.notificationsCenterTitle, this.clearAllAction);

		if (this.model.notifications.length === 0) {
			notificationsCenterTitle.textContent = localize('notificationsEmpty', "No new notifications");
			clearAllAction.enabled = false;
		} else {
			notificationsCenterTitle.textContent = localize('notifications', "Notifications");
			clearAllAction.enabled = this.model.notifications.some(notification => !notification.hasProgress);
		}
	}