docs: private static byte[] getIids2(final List<BeanId> ids, final UniqueIds uids) {
          if (ids == null) {
              return new byte[0];
          }
          final AbstractList<String> list = new AbstractList<String>() {
  
              @Override
              public String get(int index) {
                  return ids.get(index).getInstanceId();
              }
  
              @Override
              public int size() {
                  return ids.size();
              }
          };
          return getIids(list, uids);
      }