--- /dev/null
+from email.message import Message
+from typing import Any, Callable
+
+class ContentManager:
+ def __init__(self) -> None: ...
+ def get_content(self, msg: Message, *args: Any, **kw: Any) -> Any: ...
+ def set_content(self, msg: Message, obj: Any, *args: Any, **kw: Any) -> Any: ...
+ def add_get_handler(self, key: str, handler: Callable[..., Any]) -> None: ...
+ def add_set_handler(self, typekey: type, handler: Callable[..., Any]) -> None: ...
+
+raw_data_manager: ContentManager