@NotNull
  public static DiffSettings getDiffSettings(@NotNull DiffContext context) {
    DiffSettings settings = context.getUserData(DiffSettings.KEY);
    if (settings == null) {
      settings = DiffSettings.getSettings(context.getUserData(DiffUserDataKeys.PLACE));
      context.putUserData(DiffSettings.KEY, settings);
    }
    return settings;
  }
@NotNull
  public static DiffSettings getDiffSettings(@NotNull DiffContext context)