(function () {     // Get the system toolbar.    var toolbar = Toolbars.getToolbar("com.highfidelity.interface.toolbar.system");    if (!toolbar) {        print("ERROR: Couldn't get system toolbar.");        return;    }     Script.setTimeout(function () {        // Report the system toolbar visibility.        var isToolbarVisible = toolbar.readProperty("visible");        print("Toolbar visible: " + isToolbarVisible);         // Briefly toggle the system toolbar visibility.        print("Toggle toolbar");        toolbar.writeProperty("visible", !isToolbarVisible);        Script.setTimeout(function () {            print("Toggle toolbar");            toolbar.writeProperty("visible", isToolbarVisible);        }, 2000);    }, 2000);     Script.setTimeout(function () {        // Report the system toolbar visibility alternative method.        isToolbarVisible = toolbar.readProperties(["visible"]).visible;        print("Toolbar visible: " + isToolbarVisible);         // Briefly toggle the system toolbar visibility.        print("Toggle toolbar");        toolbar.writeProperties({ visible: !isToolbarVisible });        Script.setTimeout(function () {            print("Toggle toolbar");            toolbar.writeProperties({ visible: isToolbarVisible });        }, 2000);    }, 6000); }());