code: @Override
      public UpdateRadiusResult updateRadius(UpdateRadiusRequest request) {
          request = beforeClientExecution(request);
          return executeUpdateRadius(request);
      }
docs: <p>
  Updates the Remote Authentication Dial In User Service (RADIUS) server information for an AD Connector or
  Microsoft AD directory.
  </p>
  
  @param updateRadiusRequest
  Contains the inputs for the <a>UpdateRadius</a> operation.
  @return Result of the UpdateRadius operation returned by the service.
  @throws InvalidParameterException
  One or more parameters are not valid.
  @throws EntityDoesNotExistException
  The specified entity could not be found.
  @throws ClientException
  A client exception has occurred.
  @throws ServiceException
  An exception has occurred in AWS Directory Service.
  @sample AWSDirectoryService.UpdateRadius
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/ds-2015-04-16/UpdateRadius" target="_top">AWS API
  Documentation</a>