def get_unrecognized_field_info(self, key, value_default=None,
                                  variant_default=None):
    value, variant = self.__unrecognized_fields.get(key, (value_default,
                                                          variant_default))
    return value, variant
Returns True if the given obj is a 'list' type of some sort, False
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/protorpc/protorpc/messages.py/Message.get_unrecognized_field_info--crossover with--dataset/ETHPy150Open jahlborn/appengine-rest-server/src/main/python/rest/__init__.py/is_list_type