code: public IUpdater getUpdaterByParam(String paramName) {
          String sub = paramName.substring(1);
          return fwd.getUpdaterByParam(sub);
      }
docs: Get the updater for the given parameter. Typically the same updater will be used for all updaters, but this is
  not necessarily the case
  
  @param paramName Parameter name
  @return IUpdater for the parameter