from types import TracebackType
from typing import final

@final
class Lock:
    def acquire(self, blocking: bool = True) -> bool: ...
    def release(self) -> None: ...
    def locked(self) -> bool: ...
    def __enter__(self) -> bool: ...
    def __exit__(
        self,
        exc_type: type[BaseException] | None,
        exc_val: BaseException | None,
        exc_tb: TracebackType | None,
        /,
    ) -> None: ...