docs: public void addAliasToConfigSite(String alias, String redirect, String offset) {
  
          long timeOffset = 0;
          try {
              timeOffset = Long.parseLong(offset);
          } catch (Throwable e) {
              // ignore
          }
          CmsSiteMatcher siteMatcher = new CmsSiteMatcher(alias, timeOffset);
          boolean redirectVal = new Boolean(redirect).booleanValue();
          siteMatcher.setRedirect(redirectVal);
          m_aliases.add(siteMatcher);
      }