@Override
      protected TreePath findPathByNode(final PackageDependenciesNode node) {
        if (node.getPsiElement() == null) {
          return new TreePath(node.getPath());
        }
        Enumeration<TreeNode> enumeration = ((DefaultMutableTreeNode)tree.getModel().getRoot()).breadthFirstEnumeration();
        while (enumeration.hasMoreElements()) {
          final TreeNode nextElement = enumeration.nextElement();
          if (nextElement instanceof PackageDependenciesNode child) { //do not include root
            if (child.equals(node)) {
              return new TreePath(child.getPath());
            }
          }
        }
        return null;
      }
@Override
      protected TreePath findPathByNode(final PackageDependenciesNode node)