class UpgradeCatalog270 extends AbstractUpgradeCatalog {

  protected String updateLuceneMatchVersion(String content, String newLuceneMatchVersion) {
    return content.replaceAll("<luceneMatchVersion>.*</luceneMatchVersion>",
            "<luceneMatchVersion>" + newLuceneMatchVersion + "</luceneMatchVersion>");
  }

  @Inject public  UpgradeCatalog270(Injector injector);

}