code: @Override
      public DisableSsoResult disableSso(DisableSsoRequest request) {
          request = beforeClientExecution(request);
          return executeDisableSso(request);
      }
docs: <p>
  Disables single-sign on for a directory.
  </p>
  
  @param disableSsoRequest
  Contains the inputs for the <a>DisableSso</a> operation.
  @return Result of the DisableSso operation returned by the service.
  @throws EntityDoesNotExistException
  The specified entity could not be found.
  @throws InsufficientPermissionsException
  The account does not have sufficient permission to perform the operation.
  @throws AuthenticationFailedException
  An authentication error occurred.
  @throws ClientException
  A client exception has occurred.
  @throws ServiceException
  An exception has occurred in AWS Directory Service.
  @sample AWSDirectoryService.DisableSso
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/ds-2015-04-16/DisableSso" target="_top">AWS API
  Documentation</a>