def __missing__(self, key):
        if self.default_factory is None:
            raise KeyError(key)
        else:
            ret = self[key] = self.default_factory(name=key)
            return ret
def create_on_device(self):
        resource = self.client.api.cm.shared.licensing.pools_s.pool.create(
            name=self.want.name,
            baseRegKey=self.want.base_key,
            method="AUTOMATIC"
        )
        return self._wait_for_license_pool_state_to_activate(resource)