code: def close_authenticator(self):
          
          _logger.info("Shutting down CBS session on connection: %r.", self._connection.container_id)
          try:
              _logger.debug("Unlocked CBS to close on connection: %r.", self._connection.container_id)
              self._cbs_auth.destroy()
              _logger.info("Auth closed, destroying session on connection: %r.", self._connection.container_id)
              self._session.destroy()
          finally:
              _logger.info("Finished shutting down CBS session on connection: %r.", self._connection.container_id)
docs: Close the CBS auth channel and session.