code: def get_key(self) -> str:
      return self.__class__.__name__ + f"_token_id={self.stop_token_id}"
  
imports: import abc
  from typing import List, Union
  import torch
label_desc: Use image node_id 3 for calling the TokenStopCriterion obj's underlying member method code with example usage: obj.get_key() and returns: unknown