src/vs/workbench/browser/workbench.ts/Workbench/constructor
class Workbench:	constructor(
		parent: HTMLElement,
		private readonly serviceCollection: ServiceCollection,
		logService: ILogService
	) {
		super(parent);

		// Perf: measure workbench startup time
		mark('code/willStartWorkbench');

		this.registerErrorHandler(logService);
	}