src/vs/workbench/api/browser/mainThreadDiagnostics.ts/MainThreadDiagnostics/constructor
class MainThreadDiagnostics:	constructor(
		extHostContext: IExtHostContext,
		@IMarkerService private readonly _markerService: IMarkerService,
		@IUriIdentityService private readonly _uriIdentService: IUriIdentityService,
	) {
		this._proxy = extHostContext.getProxy(ExtHostContext.ExtHostDiagnostics);

		this._markerListener = this._markerService.onMarkerChanged(this._forwardMarkers, this);
	}