code: def get_chat_completion_handler(
      name: str,
  ) -> LlamaChatCompletionHandler:
      return CHAT_HANDLERS[name]
  
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 a global function with example usage: get_chat_completion_handler(name) and returns: CHAT_HANDLERS