def METHOD_NAME(self) -> typing.Optional[str]:
    """URI for this voice server host, with the correct scheme prepended.
    If this is `None`, it means that the server has been deallocated
    and you have to disconnect. You will later receive a new event specifying
    what endpoint to connect to.
    """
    if self.raw_endpoint is None:
        return None
    return f"wss://{self.raw_endpoint}"