code: def mark_as_experimental_feature(feature_name: Text) -> None:
      """Warns users that they are using an experimental feature."""
      logger.warning(
          f"The {feature_name} is currently experimental and might change or be "
          "removed in the future 🔬 Please share your feedback on it in the "
          "forum (https://forum.rasa.com) to help us make this feature "
          "ready for production."
      )
  
imports: import asyncio
  import functools
  import importlib
  import inspect
  import logging
  from typing import Text, Dict, Optional, Any, List, Callable, Collection, Type
  from rasa.shared.exceptions import RasaException
label_desc: Use image node_id 9 for calling a global function with example usage: mark_as_experimental_feature(feature_name) without return types