fn CreateSession(
    handle: object_path,
    session_handle: object_path,
    app_id: string,
    options: array(dict(string, variant)),
) {
    response: u32,
    results: array(dict(string, variant)),
}

fn SelectDevices(
    handle: object_path,
    session_handle: object_path,
    app_id: string,
    options: array(dict(string, variant)),
) {
    response: u32,
    results: array(dict(string, variant)),
}

fn Start(
    handle: object_path,
    session_handle: object_path,
    app_id: string,
    parent_window: string,
    options: array(dict(string, variant)),
) {
    response: u32,
    results: array(dict(string, variant)),
}

fn ConnectToEIS(
    session_handle: object_path,
    app_id: string,
    options: array(dict(string, variant)),
) {
    fd: fd,
}

prop AvailableDeviceTypes = u32
prop version = u32