def freeze(self, no_etag=False):
        if not no_etag:
            self.add_etag()
        super(ETagResponseMixin, self).freeze()
wrap a full qualified name of a function to register it's return value as a bean
dataset/ETHPy150Open Eforcers/gae-flask-todo/lib/werkzeug/wrappers.py/ETagResponseMixin.freeze--crossover with--dataset/ETHPy150Open yegong/stock/utils/injection.py/factory_bean