code: def generate_token(
      self, batch: B
  ) -> Tuple[List[Generation], Optional[B], Tuple[int, int]]:
      raise NotImplementedError
  
file_path: text-generation-inference/server/text_generation_server/models/model.py
imports: import inspect
  import torch
  from abc import ABC, abstractmethod
  from typing import List, Tuple, Optional, TypeVar, Type
  from transformers import PreTrainedTokenizerBase, PretrainedConfig
  from text_generation_server.models.types import Batch, Generation
  from text_generation_server.utils.speculate import get_speculate
  from text_generation_server.pb.generate_pb2 import InfoResponse
label_desc: Use image node_id 4 for calling the Model obj's underlying member method code with example usage: obj.generate_token(batch) without return types