def __init__(
        self,
        *,
        send: Send = None,
        **kwargs: dict[str, Any],
    ) -> None:
        """Constructor method.

        Args:
            send: The ASGI send callable.
            **kwargs: Keyword arguments to pass to the parent constructor.
        """
        super().__init__(**kwargs)

        self._send = send
        self.streaming = None
Constructor method.

        Args:
            send: The ASGI send callable.
            **kwargs: Keyword arguments to pass to the parent constructor.
        
lanarky/adapters/langchain/callbacks.py