docstr: The end of text token.
docstr_tok: ["The","end","of","text","token","."]
code: def end_of_text_token(self) -> str:
      """The end of text token."""
      # Followed up in https://github.com/THUDM/icetk/issues/1
      return "</s>"
  
file_path: H2O/h2o_hf/helm/src/helm/benchmark/window_services/ice_window_service.py
imports: from .local_window_service import LocalWindowService
  from .tokenizer_service import TokenizerService
label_desc: Use image node_id 5 for calling the ICEWindowService obj's underlying member method code with example usage: obj.end_of_text_token() and returns: str