Where did the SystemTray vanish with #WinPRT #wpdev?

With Silverlight WP8 API, SystemTray is exposed in PhoneApplicationPage through Microsoft.Phone.Shell.

<phone:PhoneApplicationPage
    shell:SystemTray.IsVisible="True" 
    shell:SystemTray.BackgroundColor="AliceBlue"
    shell:SystemTray.ForegroundColor="Black"
    shell:SystemTray.Opacity="0.75">
    <shell:SystemTray.ProgressIndicator>
        <shell:ProgressIndicator />
    </shell:SystemTray.ProgressIndicator>
</phone:PhoneApplicationPage>
SystemTray.BackgroundColor = Colors.Cyan;
SystemTray.ForegroundColor = Colors.White;
SystemTray.IsVisible = true;
SystemTray.Opacity = 0.8;
SystemTray.ProgressIndicator = new ProgressIndicator() { IsIndeterminate = true, IsVisible = true };

it was very easily done through xaml itself. You could do it from codebehind by accessing static properties of SystemTray class.
However with WinPRT, the Page class does not expose SystemTray and now it lives as Windows.UI.ViewManagement.StatusBar.
No xaml declarative business here.

var statusBar = StatusBar.GetForCurrentView();
statusBar.BackgroundColor = Colors.Black;
statusBar.BackgroundOpacity = 0.8;
statusBar.ForegroundColor = Colors.White;
statusBar.ProgressIndicator.Text = "loading";
await statusBar.ShowAsync();

If I find anything declarative, I will post those at a later date.

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