28 virtual void itemSiblingOrderChanged(QQuick3DObject *) {}
29 virtual void itemVisibilityChanged(QQuick3DObject *) {}
30 virtual void itemEnabledChanged(QQuick3DObject *) {}
31 virtual void itemOpacityChanged(QQuick3DObject *) {}
32 virtual void itemDestroyed(QQuick3DObject *) {}
33 virtual void itemChildAdded(QQuick3DObject *, QQuick3DObject * ) {}
34 virtual void itemChildRemoved(QQuick3DObject *, QQuick3DObject * ) {}
35 virtual void itemParentChanged(QQuick3DObject *, QQuick3DObject * ) {}