protected static void chooseParent(final List<? extends DomElement> files, final Consumer<? super DomElement> onChoose) {
    switch (files.size()) {
      case 0 -> {}
      case 1 -> onChoose.consume(files.iterator().next());
      default -> JBPopupFactory.getInstance().createListPopup(new BaseListPopupStep<DomElement>(XmlDomBundle.message(
        "dom.quickfix.create.new.element.choose.file.title"), files) {
        @Override
        public PopupStep<?> onChosen(final DomElement selectedValue, final boolean finalChoice) {
          onChoose.consume(selectedValue);
          return super.onChosen(selectedValue, finalChoice);
        }

        @Override
        public Icon getIconFor(final DomElement aValue) {
          return DomUtil.getFile(aValue).getIcon(0);
        }

        @Override
        public @NotNull String getTextFor(final DomElement value) {
          return DomUtil.getFile(value).getName();
        }
      }).showInBestPositionFor(DataManager.getInstance().getDataContext());
    }
  }
protected static void chooseParent(final List<? extends DomElement> files, final Consumer<? super DomElement> onChoose)