code: def resume_follow(self, index, body=None, params=None):
          
          if index in SKIP_IN_PATH:
              raise ValueError("Empty value passed for a required argument 'index'.")
          return self.transport.perform_request(
              "POST", _make_path(index, "_ccr", "resume_follow"), params=params, body=body
          )
docs: `<https://www.elastic.co/guide/en/elasticsearch/reference/current/ccr-post-resume-follow.html>`_
  
          :arg index: The name of the follow index to resume following.
          :arg body: The name of the leader index and other optional ccr related
              parameters