code: def __len__(self) -> int:
      ...
  
file_path: metaflow/metaflow/_vendor/v3_6/importlib_metadata/_meta.py
imports: from ._compat import Protocol
  from typing import Any, Dict, Iterator, List, TypeVar, Union
label_desc: Use image node_id 1 for calling the PackageMetadata obj's underlying member method code with example usage: obj.__len__() without return types