docs: public static RangeMerger rangeMerger(PartitionRangeReadCommand command, ConsistencyLevel consistency) {
          Keyspace keyspace = Keyspace.open(command.metadata().ksName);
          RangeIterator rangeIterator = new RangeIterator(command, keyspace, consistency);
          return new RangeMerger(rangeIterator, keyspace, consistency);
      }