code: def clear_cached_realms(self, realms, params=None):
          
          if realms in SKIP_IN_PATH:
              raise ValueError("Empty value passed for a required argument 'realms'.")
          return self.transport.perform_request(
              "POST",
              _make_path("_security", "realm", realms, "_clear_cache"),
              params=params,
          )
docs: `<https://www.elastic.co/guide/en/elasticsearch/reference/current/security-api-clear-cache.html>`_
  
          :arg realms: Comma-separated list of realms to clear
          :arg usernames: Comma-separated list of usernames to clear from the
              cache