public void saveState(Element to) {
    synchronized (myConflicts) {
      myConflicts.forEach((path, conflict) -> {
        if (conflict.ignored) {
          Element fileElement = new Element("file");
          fileElement.setAttribute("path", path);
          fileElement.setAttribute("ignored", Boolean.toString(conflict.ignored));
          to.addContent(fileElement);
        }
      });
    }
    XmlSerializer.serializeInto(myOptions, to);
  }
public void saveState(Element to)