class OmKeyLocationInfoGroup {

  public List<OmKeyLocationInfo> getBlocksLatestVersionOnly() {
    return new ArrayList<>(locationVersionMap.get(version));
  }

  public  OmKeyLocationInfoGroup(long version,
                                List<OmKeyLocationInfo> locations);
  public  OmKeyLocationInfoGroup(long version,
                                Map<Long, List<OmKeyLocationInfo>> locations);

}