@Override
  public boolean isFreezedWithNotification(@Nls @Nullable String modalTitle) {
    final String freezeReason = isFreezed();
    if (freezeReason == null) return false;

    if (modalTitle != null) {
      Messages.showErrorDialog(myProject, freezeReason, modalTitle);
    }
    else {
      VcsBalloonProblemNotifier.showOverChangesView(myProject, freezeReason, MessageType.WARNING);
    }
    return true;
  }
@Override
  public boolean isFreezedWithNotification(@Nls @Nullable String modalTitle)