code: def _get_resource_config(cls, resource):
          
          if "jobReference" not in resource or "jobId" not in resource["jobReference"]:
              raise KeyError(
                  "Resource lacks required identity information: "
                  '["jobReference"]["jobId"]'
              )
          job_id = resource["jobReference"]["jobId"]
          if (
              "configuration" not in resource
              or cls._JOB_TYPE not in resource["configuration"]
          ):
              raise KeyError(
                  "Resource lacks required configuration: "
                  '["configuration"]["%s"]' % cls._JOB_TYPE
              )
          return job_id, resource["configuration"]
docs: Helper for :meth:`from_api_repr`
  
          :type resource: dict
          :param resource: resource for the job
  
          :rtype: dict
          :returns: tuple (string, dict), where the first element is the
                    job ID and the second contains job-specific configuration.
          :raises: :class:`KeyError` if the resource has no identifier, or
                   is missing the appropriate configuration.