docs: def inspect_swarm(self):
          """
          Retrieve low-level information about the current swarm.
  
          Returns:
              A dictionary containing data about the swarm.
  
          Raises:
              :py:class:`docker.errors.APIError`
                  If the server returns an error.
          """
          url = self._url('/swarm')
          return self._result(self._get(url), True)