QML Shortcut item with StandardKey.NextChild and StandardKey.PreviousChild sequences do not work

import QtQuick

Window {
    width: 640
    height: 480
    visible: true
    title: qsTr("Hello World")


    Shortcut {
        sequence: StandardKey.NextChild"
        onActivated: {
            console.log("onActivated NextChild")
        }

    }

    Shortcut {
        sequence: StandardKey.PreviousChild"
        onActivated: {
            console.log("onActivated PreviousChild")
        }

    }

}

    Shortcut {
        sequence: "Ctrl+Tab"
        onActivated: {
            console.log("onActivated NextChild")
        }

    }
    
    Shortcut {
        sequence: "Ctrl+Shift+Tab"
        onActivated: {
            console.log("onActivated PreviousChild")
        }
    }