class_docstr: Holds a collection of stateful objects.
class_docstr_tok: ["Holds","a","collection","of","stateful","objects","."]
code: def __init__(self) -> None:
      super().__setattr__("stateful_objects", {})
  
imports: from __future__ import annotations
  from abc import ABC, abstractmethod
  from typing import Any, Dict, Mapping, Optional, Protocol, Tuple, final, runtime_checkable
  from torch.distributed.fsdp import FullyShardedDataParallel
  from torch.nn import Module
  from torch.optim import Optimizer
  from fairseq2.typing import finaloverride
label_desc: Use image node_id 1 to create a new StatefulObjectBag object  with example: obj = StatefulObjectBag()