@Override
protected void populateItem(ListItem<LayerGroupConfigurationPanelInfo> item) {
final LayerGroupConfigurationPanelInfo panelInfo = item.getModelObject();
try {
LayerGroupConfigurationPanel panel;
Class<LayerGroupConfigurationPanel> componentClass;
Constructor<? extends LayerGroupConfigurationPanel> constructor;
componentClass = panelInfo.getComponentClass();
constructor = componentClass.getConstructor(String.class, IModel.class);