}
public void copy(final NodeModel from, final NodeModel to) {
final NodeStyleModel fromStyle = from.getExtension(NodeStyleModel.class);
if (fromStyle != null) {
fromStyle.copyTo(NodeStyleModel.createNodeStyleModel(to));
}
final NodeSizeModel fromSize = from.getExtension(NodeSizeModel.class);
if (fromSize != null) {
fromSize.copyTo(NodeSizeModel.createNodeSizeModel(to));
}