docs: public static NodeSequence withNodeKeys( final Iterator<NodeKey> keys,
                                               final long keyCount,
                                               final float score,
                                               final String workspaceName,
                                               final RepositoryCache repository ) {
          assert keyCount >= -1;
          if (keys == null) return emptySequence(1);
          return withBatch(batchOfKeys(keys, keyCount, score, workspaceName, repository));
      }