@Override
      public void run(AnActionButton button) {
        AttachFilesAction attachFilesAction = new AttachFilesAction(myDescriptor.getAttachFilesActionName());
        if (popupItems.isEmpty()) {
          attachFilesAction.perform();
          return;
        }

        List<AnAction> actions = new ArrayList<>();
        actions.add(attachFilesAction);
        for (AttachRootButtonDescriptor descriptor : popupItems) {
          actions.add(new AttachItemAction(descriptor, descriptor.getButtonText(), null));
        }
        final DefaultActionGroup group = new DefaultActionGroup(actions);
        JBPopupFactory.getInstance().createActionGroupPopup(null, group,
                                                            DataManager.getInstance().getDataContext(button.getContextComponent()),
                                                            JBPopupFactory.ActionSelectionAid.SPEEDSEARCH, true)
          .show(button.getPreferredPopupPoint());
      }
@Override
      public void run(AnActionButton button)