@Override
  public PsiElement getParentOfCurrentSelection() {
    final AbstractProjectViewPane viewPane = getCurrentProjectViewPane();
    if (viewPane == null) {
      return null;
    }

    TreePath path = viewPane.getSelectedPath();
    if (path == null) {
      return null;
    }
    path = path.getParentPath();
    if (path == null) {
      return null;
    }

    ProjectViewNode<?> descriptor = TreeUtil.getLastUserObject(ProjectViewNode.class, path);
    if (descriptor != null) {
      Object element = descriptor.getValue();
      if (element instanceof PsiElement psiElement) {
        if (!psiElement.isValid()) return null;
        return psiElement;
      }
      else {
        return null;
      }
    }
    return null;
  }
@Override
  public PsiElement getParentOfCurrentSelection()