public static @Nullable String readString(@NonNls Element root, @NonNls String name) {
    for (Element element : root.getChildren("setting")) {
      if (Comparing.strEqual(element.getAttributeValue(Constants.NAME), name)) {
        return element.getAttributeValue(Constants.VALUE);
      }
    }
    return null;
  }
public static @Nullable String readString(@NonNls Element root, @NonNls String name)