docs: def submit_job(self, bundle, job_config=None):
          """Submit a Streams Application Bundle (sab file) to
          this Streaming Analytics service.
          
          Args:
              bundle(str): path to a Streams application bundle (sab file)
                  containing the application to be submitted
              job_config(JobConfig): a job configuration overlay
          
          Returns:
              dict: JSON response from service containing 'name' field with unique
                  job name assigned to submitted job, or, 'error_status' and
                  'description' fields if submission was unsuccessful.
          """
          return self._delegator._submit_job(bundle=bundle, job_config=job_config)