docs: protected WsGroup findGroupFromKey(String key) {
          WsGroup wsGroup = null;
  
          if (key != null) {
  
              GcFindGroups gcFindGroups = new GcFindGroups();
              gcFindGroups.addGroupName(key);
              WsFindGroupsResults results = gcFindGroups.execute();
  
              // if no results were returned, return null
              if (results != null
                      && results.getGroupResults() != null
                      && results.getGroupResults().length > 0) {
  
                  if (LOGGER.isDebugEnabled()) {
                      LOGGER.debug(
                              "found group from key " + key + ": " + results.getGroupResults()[0]);
                  }
  
                  wsGroup = results.getGroupResults()[0];
              }
          }
  
          return wsGroup;
      }