docs: public Observable<Page<AlertInner>> listByDataBoxEdgeDeviceAsync(final String deviceName, final String resourceGroupName) {
          return listByDataBoxEdgeDeviceWithServiceResponseAsync(deviceName, resourceGroupName)
              .map(new Func1<ServiceResponse<Page<AlertInner>>, Page<AlertInner>>() {
                  @Override
                  public Page<AlertInner> call(ServiceResponse<Page<AlertInner>> response) {
                      return response.body();
                  }
              });
      }