class_docstr: Manages all DataCache instances
class_docstr_tok: ["Manages","all","DataCache","instances"]
code: def get_storage_manager(self) -> CacheStorageManager:
      if runtime.exists():
          return runtime.get_instance().cache_storage_manager
      else:
          # When running in "raw mode", we can't access the CacheStorageManager,
          # so we're falling back to InMemoryCache.
          _LOGGER.warning(
              "No runtime found, using MemoryCacheStorageManager"
          )
          return MemoryCacheStorageManager()
  
imports: from __future__ import annotations
  import pickle
  import threading
  import types
  from datetime import timedelta
  from typing import Any, Callable, TypeVar, Union, cast, overload
  from typing_extensions import Literal, TypeAlias
  import streamlit
  from streamlit import runtime
  from streamlit.deprecation_util import show_deprecation_warning
  from streamlit.errors import StreamlitAPIException
  from streamlit.logger import get_logger
  from streamlit.runtime.caching.cache_errors import CacheError, CacheKeyNotFoundError
  from streamlit.runtime.caching.cache_type import CacheType
  from streamlit.runtime.caching.cache_utils import Cache, CachedFuncInfo, make_cached_func_wrapper, ttl_to_seconds
  from streamlit.runtime.caching.cached_message_replay import CachedMessageReplayContext, CachedResult, ElementMsgData, MsgData, MultiCacheResults
  from streamlit.runtime.caching.hashing import HashFuncsDict
  from streamlit.runtime.caching.storage import CacheStorage, CacheStorageContext, CacheStorageError, CacheStorageKeyNotFoundError, CacheStorageManager
  from streamlit.runtime.caching.storage.cache_storage_protocol import InvalidCacheStorageContext
  from streamlit.runtime.caching.storage.dummy_cache_storage import MemoryCacheStorageManager
  from streamlit.runtime.metrics_util import gather_metrics
  from streamlit.runtime.scriptrunner.script_run_context import get_script_run_ctx
  from streamlit.runtime.stats import CacheStat, CacheStatsProvider, group_stats
label_desc: Use image node_id 7 for calling the DataCaches obj's underlying member method code with example usage: obj.get_storage_manager() and returns: runtime, MemoryCacheStorageManager