code: def next_token(self, next_token: Union[None, torch.Tensor]) -> None:
      self._next_token = next_token
  
imports: from dataclasses import dataclass, field, asdict
  from typing import Any, Dict, List, Iterator, Union
  from typing_extensions import Self
  import torch
  from mii.constants import GenerationFinishReason
  from mii.config import GenerateParamsConfig
label_desc: Use image node_id 9 for calling the Request obj's underlying member method code with example usage: obj.next_token(next_token) without return types