# Source code for tensorplay.distributed.checkpoint.stateful

Source: https://www.tensorplay.cn/docs/_modules/tensorplay/distributed/checkpoint/stateful.html

```
from __future__ import annotations

from typing import Any, Protocol, TypeVar

__all__ = ["Stateful", "StatefulT"]

[docs]
class Stateful(Protocol):
    def state_dict(self) -> dict[str, Any]: ...
    def load_state_dict(self, state_dict: dict[str, Any]) -> None: ...

StatefulT = TypeVar("StatefulT", bound=Stateful)
```