static JsonResponse create(HttpRequest request, ResponseHandler handler) throws IOException {
            JsonResponse response = new JsonResponse(handler, request);
            response.writePathId(request.getUri().getRawPath());
            return response;
        }
Creates a new JsonResponse with path field written.
vespaclient-container-plugin/src/main/java/com/yahoo/document/restapi/resource/DocumentV1ApiHandler.java