def set(self, name: str, value: Any) -> None:
        """
        Set the field named `name` to `value`.
        The length of `value` must be the number of instances,
        and must agree with other existing fields in this object.
        """
        data_len = len(value)
        if len(self._fields):
            assert (
                len(self) == data_len
            ), "Adding a field of length {} to a Instances of length {}".format(data_len, len(self))
        self._fields[name] = value

        Set the field named `name` to `value`.
        The length of `value` must be the number of instances,
        and must agree with other existing fields in this object.
        
video_chat_with_ChatGPT/models/grit_src/third_party/CenterNet2/detectron2/structures/instances.py