@Override
  public void writeExternal(@NotNull Element element) {
    super.writeExternal(element);
    for (ArtifactPointer pointer : myArtifactPointers) {
      element.addContent(new Element(myElementName).setAttribute(NAME_ATTRIBUTE, pointer.getArtifactName()));
    }
  }
@Override
  public void writeExternal(@NotNull Element element)