src/vs/workbench/browser/parts/editor/editorPlaceholder.ts/EditorPlaceholder/constructor
class EditorPlaceholder:	constructor(
		id: string,
		@ITelemetryService telemetryService: ITelemetryService,
		@IThemeService themeService: IThemeService,
		@IStorageService storageService: IStorageService,
		@IInstantiationService private readonly instantiationService: IInstantiationService
	) {
		super(id, telemetryService, themeService, storageService);
	}