@Nullable
  protected IExtractArtifactDialog showDialog(LayoutTreeComponent treeComponent, String initialName) {
    final ExtractArtifactDialog dialog = new ExtractArtifactDialog(myArtifactEditor.getContext(), treeComponent, initialName);
    if (!dialog.showAndGet()) {
      return null;
    }
    return dialog;
  }
@Nullable
  protected IExtractArtifactDialog showDialog(LayoutTreeComponent treeComponent, String initialName)