@abc.abstractmethod
    def create_policy(self, context, policy):
returns the domains that are referring traffic to a single bitly link
dataset/ETHPy150Open openstack/neutron/neutron/services/qos/notification_drivers/qos_base.py/QosServiceNotificationDriverBase.create_policy--crossover with--dataset/ETHPy150Open bitly/bitly-api-python/bitly_api/bitly_api.py/Connection.link_referring_domains