@Nullable
  private DefaultMutableTreeNode getFirstNodeToEdit() {
    // start edit last selected component if editable
    if (myTree.getLastSelectedPathComponent() instanceof RepositoryNode selectedNode) {
      if (selectedNode.isEditableNow()) return selectedNode;
    }
    List<RepositoryNode> repositoryNodes = getChildNodesByType((DefaultMutableTreeNode)myTree.getModel().getRoot(),
                                                               RepositoryNode.class, false);
    RepositoryNode editableNode = ContainerUtil.find(repositoryNodes, repositoryNode -> repositoryNode.isEditableNow());
    if (editableNode != null) {
      TreeUtil.selectNode(myTree, editableNode);
    }
    return editableNode;
  }
@Nullable
  private DefaultMutableTreeNode getFirstNodeToEdit()