implicitWidthChanged2/implicitHeightChanged2 signals included in auto-completion

import QtQuick 2.3
import QtQuick.Window 2.2

Window {
    visible: true

    MouseArea {
        anchors.fill: parent
        onClicked: {
            Qt.quit();
        }
    }

    Text {
        text: qsTr("Hello World")
        anchors.centerIn: parent
        
        Component.onCompleted: implicitHeightc
    }
}

Component {
        name: "QQuickImplicitSizeItem"
        defaultProperty: "data"
        prototype: "QQuickItem"
        Property { name: "implicitWidth"; type: "double"; isReadonly: true }
        Property { name: "implicitHeight"; type: "double"; isReadonly: true }
        Signal { name: "implicitWidthChanged2"; revision: 1 }
        Signal { name: "implicitHeightChanged2"; revision: 1 }
    }