docs: def cancel_job(self, job_id=None, job_name=None):
          """Cancel a running job.
  
          Args:
              job_id (str, optional): Identifier of job to be canceled.
              job_name (str, optional): Name of job to be canceled.
  
          Returns:
              dict: JSON response for the job cancel operation.
          """
          return self._delegator.cancel_job(job_id=job_id, job_name = job_name)