code: @Override
      public UpdateNotificationResult updateNotification(UpdateNotificationRequest request) {
          request = beforeClientExecution(request);
          return executeUpdateNotification(request);
      }
docs: <p>
  Updates a notification.
  </p>
  
  @param updateNotificationRequest
  Request of UpdateNotification
  @return Result of the UpdateNotification operation returned by the service.
  @throws InternalErrorException
  An error on the server occurred during the processing of your request. Try again later.
  @throws InvalidParameterException
  An error on the client occurred. Typically, the cause is an invalid input value.
  @throws NotFoundException
  We can’t locate the resource that you specified.
  @throws DuplicateRecordException
  The budget name already exists. Budget names must be unique within an account.
  @sample AWSBudgets.UpdateNotification