def set(self, key, value):
        self.__setattr__(key, value)
Returns the model_names from the given list whose metadata is
dataset/ETHPy150Open flosch/simpleapi/example_project/client/python/sapi/message.py/MessageElement.set--crossover with--dataset/ETHPy150Open jahlborn/appengine-rest-server/src/main/python/rest/__init__.py/Authorizer.filter_read_metadata