@Override
    public void updateModelBound() {
        if (children != null) {
            for (Spatial child : children.getArray()) {
                child.updateModelBound();
            }
        }
    }
Called internally by com.jme3.util.clone.Cloner.  Do not call directly.
jme3-core/src/main/java/com/jme3/scene/Node.java