private static void addValueConverter(DomExtension e, MavenDomParameter parameter) {
    String type = parameter.getType().getStringValue();
    if (!StringUtil.isEmptyOrSpaces(type)) {
      e.setConverter(new MavenPluginCustomParameterValueConverter(type), MavenDomConvertersRegistry.getInstance().isSoft(type));
    }
  }
private static void addValueConverter(DomExtension e, MavenDomParameter parameter)