lr.Response.Response.StatusCode    }    tracing.EndSpan(ctx, sc, err)   }()  }  result.fn = client.listNextResults  req, err := client.ListPreparer(ctx)  if err != nil {   err = autorest.NewErrorWithError(err, "peering.OperationsClient", "List", nil, "Failure preparing request")   return  }   resp, err := client.ListSender(req)  if err != nil {   result.