public void attachLinkedChildren(AssetManager manager) {
        detachLinkedChildren();
        for (Iterator<ModelKey> it = assetLoaderKeys.iterator(); it.hasNext();) {
            ModelKey assetKey = it.next();
            Spatial curChild = assetChildren.get(assetKey);
            if (curChild != null) {
                curChild.removeFromParent();
            }
            Spatial child = manager.loadAsset(assetKey);
            attachChild(child);
            assetChildren.put(assetKey, child);
        }
    }
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