src/vs/workbench/browser/parts/editor/editorStatus.ts/ShowCurrentMarkerInStatusbarContribution/constructor
class ShowCurrentMarkerInStatusbarContribution:	constructor(
		@IStatusbarService private readonly statusbarService: IStatusbarService,
		@IMarkerService private readonly markerService: IMarkerService,
		@IConfigurationService private readonly configurationService: IConfigurationService,
	) {
		super();
		this.statusBarEntryAccessor = this._register(new MutableDisposable<IStatusbarEntryAccessor>());
		this._register(markerService.onMarkerChanged(changedResources => this.onMarkerChanged(changedResources)));
		this._register(Event.filter(configurationService.onDidChangeConfiguration, e => e.affectsConfiguration('problems.showCurrentInStatus'))(() => this.updateStatus()));
	}