src/vs/workbench/services/activity/browser/activityService.ts/ActivityService/showViewContainerActivity
class ActivityService:	showViewContainerActivity(viewContainerId: string, { badge, clazz, priority }: IActivity): IDisposable {
		const viewContainer = this.viewDescriptorService.getViewContainerById(viewContainerId);
		if (viewContainer) {
			const location = this.viewDescriptorService.getViewContainerLocation(viewContainer);
			switch (location) {
				case ViewContainerLocation.Panel:
					return this.panelService.showActivity(viewContainer.id, badge, clazz);
				case ViewContainerLocation.Sidebar:
					return this.activityBarService.showActivity(viewContainer.id, badge, clazz, priority);
			}
		}
		return Disposable.None;
	}