docstr: Dummy gets the value for a given key,
  always raises an CacheStorageKeyNotFoundError
docstr_tok: ["Dummy","gets","the","value","for","a","given","key",",","always","raises","an","CacheStorageKeyNotFoundError"]
code: def get(self, key: str) -> bytes:
      """
      Dummy gets the value for a given key,
      always raises an CacheStorageKeyNotFoundError
      """
      raise CacheStorageKeyNotFoundError("Key not found in dummy cache")
  
file_path: streamlit/lib/streamlit/runtime/caching/storage/dummy_cache_storage.py
imports: from __future__ import annotations
  from streamlit.runtime.caching.storage.cache_storage_protocol import CacheStorage, CacheStorageContext, CacheStorageKeyNotFoundError, CacheStorageManager
  from streamlit.runtime.caching.storage.in_memory_cache_storage_wrapper import InMemoryCacheStorageWrapper
label_desc: Use image node_id 1 for calling the DummyCacheStorage obj's underlying member method code with example usage: obj.get(key) without return types