@Override
  protected boolean actionPerformedImpl(PsiFile file, Editor editor, XmlAttribute context, int offset) {
    if (file.getLanguage() != XPathFileType.XPATH2.getLanguage()) return false;

    return super.actionPerformedImpl(file, editor, context, offset);
  }
@Override
  protected boolean actionPerformedImpl(PsiFile file, Editor editor, XmlAttribute context, int offset)