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.venv/lib/python3.12/site-packages/stdlib/asyncio/base_futures.pyi

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+from collections.abc import Callable, Sequence
+from contextvars import Context  # type: ignore
+from typing import Any, Final
+
+from . import futures
+
+__all__ = ()
+
+# asyncio defines 'isfuture()' in base_futures.py and re-imports it in futures.py
+# but it leads to circular import error in pytype tool.
+# That's why the import order is reversed.
+from .futures import isfuture as isfuture
+
+_PENDING: Final = "PENDING"  # undocumented
+_CANCELLED: Final = "CANCELLED"  # undocumented
+_FINISHED: Final = "FINISHED"  # undocumented
+
+def _format_callbacks(cb: Sequence[tuple[Callable[[futures.Future[Any]], None], Context]]) -> str: ...  # undocumented
+def _future_repr_info(future: futures.Future[Any]) -> list[str]: ...  # undocumented