src/vs/editor/browser/services/editorWorkerService.ts/EditorWorkerService/navigateValueSet
class EditorWorkerService:	public navigateValueSet(resource: URI, range: IRange, up: boolean): Promise<languages.IInplaceReplaceSupportResult | null> {
		return this._workerManager.withWorker().then(client => client.navigateValueSet(resource, range, up));
	}