@Override
    protected String showDialog() {
      final PackageChooserDialog dialog = new PackageChooserDialog(ExecutionBundle.message("choose.package.dialog.title"), getProject());
      dialog.show();
      final PsiPackage aPackage = dialog.getSelectedPackage();
      return aPackage != null ? aPackage.getQualifiedName() : null;
    }
@Override
    protected String showDialog()