@assure_domain
    def list_subdomains(self, domain, limit=None, offset=None):
        return domain.list_subdomains(limit=limit, offset=offset)
Get new value for property to send to datastore.
dataset/ETHPy150Open rackspace/pyrax/pyrax/clouddns.py/CloudDNSClient.list_subdomains--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/ext/db/__init__.py/TimeProperty.get_updated_value_for_datastore