src/vs/workbench/api/browser/mainThreadTimeline.ts/MainThreadTimeline/constructor
class MainThreadTimeline:	constructor(
		context: IExtHostContext,
		@ILogService private readonly logService: ILogService,
		@ITimelineService private readonly _timelineService: ITimelineService
	) {
		this._proxy = context.getProxy(ExtHostContext.ExtHostTimeline);
	}