public void detachLinkedChildren() {
        Set<Entry<ModelKey, Spatial>> set = assetChildren.entrySet();
        for (Iterator<Entry<ModelKey, Spatial>> it = set.iterator(); it.hasNext();) {
            Entry<ModelKey, Spatial> entry = it.next();
            entry.getValue().removeFromParent();
            it.remove();
        }
    }
Loads the linked children AssetKeys from the AssetManager and attaches them to the Node<br>
If they are already attached, they will be reloaded.

@param manager for loading assets
jme3-core/src/main/java/com/jme3/scene/AssetLinkNode.java