docs: public static CmsHistoryVersion fromString(String s) {
  
          List<String> l = CmsStringUtil.splitAsList(s, ":");
          if (l.size() == 2) {
  
              Integer ver = null;
              try {
                  ver = Integer.valueOf(l.get(0));
              } catch (Exception e) {
                  //
              }
              OfflineOnline onlineStatus = "null".equals("" + l.get(1)) ? null : OfflineOnline.valueOf(l.get(1));
              return new CmsHistoryVersion(ver, onlineStatus);
          }
          return null;
  
      }