code: @Override
      public StartCrawlerScheduleResult startCrawlerSchedule(StartCrawlerScheduleRequest request) {
          request = beforeClientExecution(request);
          return executeStartCrawlerSchedule(request);
      }
docs: <p>
  Changes the schedule state of the specified crawler to <code>SCHEDULED</code>, unless the crawler is already
  running or the schedule state is already <code>SCHEDULED</code>.
  </p>
  
  @param startCrawlerScheduleRequest
  @return Result of the StartCrawlerSchedule operation returned by the service.
  @throws EntityNotFoundException
  A specified entity does not exist
  @throws SchedulerRunningException
  The specified scheduler is already running.
  @throws SchedulerTransitioningException
  The specified scheduler is transitioning.
  @throws NoScheduleException
  There is no applicable schedule.
  @throws OperationTimeoutException
  The operation timed out.
  @sample AWSGlue.StartCrawlerSchedule
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/glue-2017-03-31/StartCrawlerSchedule" target="_top">AWS API
  Documentation</a>