def METHOD_NAME() -> List[AutoDetectedConfig]:
    """
    Returns all currently used channels as well as
    one other currently unused channel.
    .. note::
        This method will run into problems if thousands of
        autodetected buses are used at once.
    """
    with channels_lock:
        available_channels = list(channels.keys())
    # find a currently unused channel
    def get_extra():
        return f"channel-{randint(0, 9999)}"
    extra = get_extra()
    while extra in available_channels:
        extra = get_extra()
    available_channels += [extra]
    return [
        {"interface": "virtual", "channel": channel}
        for channel in available_channels
    ]