def __init__(self, logger, pack_name, class_name, auth_token):
        """
        :param auth_token: Auth token used to authenticate with StackStorm API.
        :type auth_token: ``str``
        """
        super(ActionDatastoreService, self).__init__(
            logger=logger, pack_name=pack_name, class_name=class_name
        )

        self._auth_token = auth_token
        self._client = None

        :param auth_token: Auth token used to authenticate with StackStorm API.
        :type auth_token: ``str``
        
st2common/st2common/services/datastore.py