Method add_handler

tornado/ioloop.py:393–396

(
        self, fd: int, handler: Callable[[int, int], None], events: int
    )

    @typing.overload
    def add_handler(
        self, fd: int, handler: Callable[[int, int], None], events: int
    ) -> None:
        pass

    @typing.overload  # noqa: F811
    def add_handler(