@Override
  public void defaultUpdate(@NotNull AnActionEvent e) {
    Change[] changes = e.getData(VcsDataKeys.CHANGES);
    JBIterable<FilePath> unversioned = JBIterable.from(e.getData(ChangesListView.UNVERSIONED_FILE_PATHS_DATA_KEY));
    if (ArrayUtil.isEmpty(changes) && unversioned.isEmpty()) {
      e.getPresentation().setEnabled(false);
      return;
    }

    ChangeList[] changeLists = e.getData(VcsDataKeys.CHANGE_LISTS);
    List<ShelvedChangeList> shelveChangelists = ShelvedChangesViewManager.getShelvedLists(e.getDataContext());
    int changelistNum = changeLists == null ? 0 : changeLists.length;
    changelistNum += shelveChangelists.size();
    if (changelistNum > 1) {
      e.getPresentation().setEnabled(false);
      return;
    }

    e.getPresentation().setEnabled(true);
  }
@Override
  public void defaultUpdate(@NotNull AnActionEvent e)