docs: private void applyUserAgent(PutMediaRequest request, Request<PutMediaRequest> marshalled) {
          if (!marshalled.getHeaders().containsKey("User-Agent")) {
              marshalled.addHeader("User-Agent",
                                   RuntimeHttpUtils.getUserAgent(new ClientConfiguration(),
                                                                 request.getRequestClientOptions()
                                                                        .getClientMarker(RequestClientOptions.Marker.USER_AGENT)));
          }
      }