code: def han_to_zen_normalize(text: str):
      try:
          import mojimoji
      except ImportError:
          raise ValueError("juman or knp Language requires mojimoji.")
      text = mojimoji.han_to_zen(text)
      for k, v in _REPLACE_STRINGS.items():
          text = text.replace(k, v)
      return text
  
imports: from dataclasses import dataclass
  from camphr.doc import Doc, UserDataProto
  import itertools
  import distutils.spawn
  from typing import Any, Callable, Dict, Iterator, List, Optional
  from typing_extensions import Literal
  from camphr.serde import SerializationMixin
label_desc: Use image node_id 2 for calling a global function with example usage: han_to_zen_normalize(text) and returns: text