docstr: The prefix token
docstr_tok: ["The","prefix","token"]
code: def prefix_token(self) -> str:
      """The prefix token"""
      pass
  
file_path: H2O/h2o_hf/helm/src/helm/benchmark/window_services/window_service.py
imports: from abc import ABC, abstractmethod
  from typing import List, Optional
  from dataclasses import dataclass
  from helm.common.tokenization_request import TokenizationToken
label_desc: Use image node_id 5 for calling the WindowService obj's underlying member method code with example usage: obj.prefix_token() without return types