--- /dev/null
+from _typeshed import Self
+from types import CodeType, FrameType, TracebackType, coroutine
+from typing import Any, Coroutine, Generator, Generic, Iterator, Type, TypeVar
+
+_T = TypeVar("_T")
+_T_co = TypeVar("_T_co", covariant=True)
+_V_co = TypeVar("_V_co", covariant=True)
+_T_contra = TypeVar("_T_contra", contravariant=True)
+
+class AsyncBase(Generic[_T]):
+ def __init__(self, file: str, loop: Any, executor: Any) -> None: ...
+ def __aiter__(self: Self) -> Self: ...
+ async def __anext__(self) -> _T: ...
+
+class AiofilesContextManager(Generic[_T_co, _T_contra, _V_co]):
+ def __init__(self, coro: Coroutine[_T_co, _T_contra, _V_co]) -> None: ...
+ def send(self, value: _T_contra) -> _T_co: ...
+ def throw(self, typ: Type[BaseException], val: BaseException | object = ..., tb: TracebackType | None = ...) -> _T_co: ...
+ def close(self) -> None: ...
+ @property
+ def gi_frame(self) -> FrameType: ...
+ @property
+ def gi_running(self) -> bool: ...
+ @property
+ def gi_code(self) -> CodeType: ...
+ def __next__(self) -> _T_co: ...
+ @coroutine
+ def __iter__(self) -> Iterator[Coroutine[_T_co, _T_contra, _V_co]]: ...
+ def __await__(self) -> Generator[Any, None, _V_co]: ...
+ async def __anext__(self) -> _V_co: ...
+ async def __aenter__(self) -> _V_co: ...
+ async def __aexit__(
+ self, exc_type: Type[BaseException] | None, exc_val: BaseException | None, exc_tb: TracebackType | None
+ ) -> None: ...