from _weakref import proxy

from collections.abc import Callable

from typing import Any, ClassVar, Generic, TypeVar, final

from typing_extensions import Self

_C = TypeVar("_C", bound=Callable[..., Any])

_T = TypeVar("_T")

class ReferenceType(Generic[_T]): # "weakref"

__callback__: Callable[[Self], Any]

def __new__(cls, o: _T, callback: Callable[[Self], Any] | None = ..., /) -> Self: ...

def __call__(self) -> _T | None: ...

ref = ReferenceType

@final

class CallableProxyType(Generic[_C]): # "weakcallableproxy"

def __eq__(self, value: object, /) -> bool: ...

def __getattr__(self, attr: str) -> Any: ...

__call__: _C

__hash__: ClassVar[None] # type: ignore[assignment]

__all__ = ["proxy"]