code: protected List<VOMSServerInfo> getVOMSServerInfos(VOMSACRequest request) {
  
      List<VOMSServerInfo> vomsServerInfos = new ArrayList<VOMSServerInfo>(
        serverInfoStore.getVOMSServerInfo(request.getVoName()));
  
      if (!vomsServerInfos.isEmpty()) {
        Collections.shuffle(vomsServerInfos);
      }
      return vomsServerInfos;
    }
docs: Get VOMS server endpoint information that matches with the
  {@link VOMSACRequest} passed as argument.
  
  This method returns a random shuffle of the {@link VOMSServerInfo} objects
  that match the input request.
  
  @param request
  the request
  @return a possibly empty {@link List} of {@link VOMSServerInfo} objects