code: def __call__(
      self,
      *,
      messages: List[llama_types.ChatCompletionRequestMessage],
      **kwargs: Any,
  ) -> ChatFormatterResponse:
      ...
  
imports: from __future__ import annotations
  import os
  import json
  import ctypes
  import dataclasses
  from typing import Any, Dict, Iterator, List, Optional, Tuple, Union, Protocol
  import llama_cpp.llama
  import llama_cpp.llama_types
  import llama_cpp.llama_grammar
  from ._utils import suppress_stdout_stderr
label_desc: Use image node_id 1 for calling the ChatFormatter obj's underlying member method code with example usage: obj.__call__() without return types