code: def clear_all(self) -> None:
      cache_path = get_cache_folder_path()
      if os.path.isdir(cache_path):
          shutil.rmtree(cache_path)
  
imports: from __future__ import annotations
  import math
  import os
  import shutil
  from streamlit import util
  from streamlit.file_util import get_streamlit_file_path, streamlit_read, streamlit_write
  from streamlit.logger import get_logger
  from streamlit.runtime.caching.storage.cache_storage_protocol import CacheStorage, CacheStorageContext, CacheStorageError, CacheStorageKeyNotFoundError, CacheStorageManager
  from streamlit.runtime.caching.storage.in_memory_cache_storage_wrapper import InMemoryCacheStorageWrapper
label_desc: Use image node_id 2 for calling the LocalDiskCacheStorageManager obj's underlying member method code with example usage: obj.clear_all() without return types