@Nullable
  public String editComment(@NotNull String name, @NotNull String newComment) {
    if (!assertChangeListsEnabled()) return null;

    final ListData list = getDataByName(name);
    if (list == null) return null;

    final String oldComment = list.comment;
    if (!Objects.equals(oldComment, newComment)) {
      list.comment = newComment;
    }

    return oldComment;
  }
@Nullable
  public String editComment(@NotNull String name, @NotNull String newComment)