@Override
  @NotNull
  protected Runnable performRediff(@NotNull final ProgressIndicator indicator) {
    JComponent notification = getSide().select(DiffNotifications.createRemovedContent(), DiffNotifications.createInsertedContent());
    return applyNotification(notification);
  }
@Override
  @NotNull
  protected Runnable performRediff(@NotNull final ProgressIndicator indicator)