@Contract("_, !null->!null")
  public static @Nullable PresentableId createId(@Nullable String id, @Nullable String name) {
    id = StringUtil.nullize(id);
    name = StringUtil.nullize(name);
    return id == null && name == null ? null : new PresentableId(id, name);
  }
@Contract("_, !null->!null")
  public static @Nullable PresentableId createId(@Nullable String id, @Nullable String name)