code: @Override
      public StopCrawlerResult stopCrawler(StopCrawlerRequest request) {
          request = beforeClientExecution(request);
          return executeStopCrawler(request);
      }
docs: <p>
  If the specified crawler is running, stops the crawl.
  </p>
  
  @param stopCrawlerRequest
  @return Result of the StopCrawler operation returned by the service.
  @throws EntityNotFoundException
  A specified entity does not exist
  @throws CrawlerNotRunningException
  The specified crawler is not running.
  @throws CrawlerStoppingException
  The specified crawler is stopping.
  @throws OperationTimeoutException
  The operation timed out.
  @sample AWSGlue.StopCrawler
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/glue-2017-03-31/StopCrawler" target="_top">AWS API
  Documentation</a>