@Override
  public void registerExtensions(@NotNull MavenDomConfigurationParameter param, @NotNull DomExtensionsRegistrar r) {
    for (XmlAttribute each : param.getXmlTag().getAttributes()) {
      String name = each.getName();
      if (CompletionUtil.DUMMY_IDENTIFIER_TRIMMED.equals(name)) continue;
      r.registerGenericAttributeValueChildExtension(new XmlName(name), String.class);
    }
  }
@Override
  public void registerExtensions(@NotNull MavenDomConfigurationParameter param, @NotNull DomExtensionsRegistrar r)