private void buildTemplatesNode(DefaultMutableTreeNode root) {
    DefaultMutableTreeNode node = new DefaultMutableTreeNode(TEMPLATE_ROOT);
    root.add(node);
    for (ConfigurationType type : ConfigurationType.CONFIGURATION_TYPE_EP.getExtensionList()) {
      if (!(type instanceof VirtualConfigurationType)) {
        Icon icon = type.getIcon();
        DefaultMutableTreeNode typeNode = new DefaultMutableTreeNode(new ConfigurationTypeDescriptor(type, icon, isConfigurationAssigned(type)));
        node.add(typeNode);
      }
    }
  }
private void buildTemplatesNode(DefaultMutableTreeNode root)