@Override
 public void configure(ConfigRegistry configRegistry, UiBindingRegistry uiBindingRegistry) {
   this.baseLayer.configure(configRegistry, uiBindingRegistry);
   super.configure(configRegistry, uiBindingRegistry);
 }
 @Override
 public void loadState(String prefix, Properties properties) {
   super.loadState(prefix, properties);
   this.baseLayer.loadState(prefix, properties);
 }