src/vs/workbench/services/activity/browser/activityService.ts/ActivityService/constructor
class ActivityService:	constructor(
		@IPaneCompositePartService private readonly paneCompositeService: IPaneCompositePartService,
		@IViewDescriptorService private readonly viewDescriptorService: IViewDescriptorService,
		@IInstantiationService private readonly instantiationService: IInstantiationService
	) { }