code: public void downloadUpdates(String deviceName, String resourceGroupName) {
          downloadUpdatesWithServiceResponseAsync(deviceName, resourceGroupName).toBlocking().last().body();
      }
docs: Downloads the updates on a data box edge/gateway device.
  
  @param deviceName The device name.
  @param resourceGroupName The resource group name.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @throws CloudException thrown if the request is rejected by server
  @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent