code: @Override
      public UpdateCrawlerResult updateCrawler(UpdateCrawlerRequest request) {
          request = beforeClientExecution(request);
          return executeUpdateCrawler(request);
      }
docs: <p>
  Updates a crawler. If a crawler is running, you must stop it using <code>StopCrawler</code> before updating it.
  </p>
  
  @param updateCrawlerRequest
  @return Result of the UpdateCrawler operation returned by the service.
  @throws InvalidInputException
  The input provided was not valid.
  @throws VersionMismatchException
  There was a version conflict.
  @throws EntityNotFoundException
  A specified entity does not exist
  @throws CrawlerRunningException
  The operation cannot be performed because the crawler is already running.
  @throws OperationTimeoutException
  The operation timed out.
  @sample AWSGlue.UpdateCrawler
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/glue-2017-03-31/UpdateCrawler" target="_top">AWS API
  Documentation</a>