code: def kill(
      self, context: AuthedServiceContext, id: UID
  ) -> Union[SyftSuccess, SyftError]:
      res = self.stash.get_by_uid(context.credentials, uid=id)
      if res.is_err():
          return SyftError(message=res.err())
  
      job = res.ok()
      if job.job_pid is not None and job.status == JobStatus.PROCESSING:
          job.status = JobStatus.INTERRUPTED
          res = self.stash.update(context.credentials, obj=job)
          if res.is_err():
              return SyftError(message=res.err())
          return SyftSuccess(message="Job killed successfully!")
      else:
          return SyftError(
              message="Job is not running or isn't running in multiprocessing mode."
              "Killing threads is currently not supported"
          )
  
imports: from typing import List
  from typing import Union
  from ...node.worker_settings import WorkerSettings
  from ...serde.serializable import serializable
  from ...store.document_store import DocumentStore
  from ...types.uid import UID
  from ...util.telemetry import instrument
  from ..context import AuthedServiceContext
  from ..queue.queue_stash import ActionQueueItem
  from ..response import SyftError
  from ..response import SyftSuccess
  from ..service import AbstractService
  from ..service import service_method
  from ..user.user_roles import DATA_SCIENTIST_ROLE_LEVEL
  from .job_stash import Job
  from .job_stash import JobStash
  from .job_stash import JobStatus
label_desc: Use image node_id 6 for calling the JobService obj's underlying member method code with example usage: obj.kill(context, id) and returns: SyftError, SyftSuccess, SyftError, SyftError