endpoint NotificationServer = 95
{
    // Basic protocol
    Greet() => ()

    ShowNotification([UTF8] String text, [UTF8] String title, Gfx::ShareableBitmap icon) => ()

    UpdateNotificationText([UTF8] String text, [UTF8] String title) => (bool still_showing)

    UpdateNotificationIcon(Gfx::ShareableBitmap icon) => (bool still_showing)

    IsShowing() => (bool still_showing)

    CloseNotification() => ()
}