@Override
  public HRegionLocation getRegionLocation(byte[] row, int replicaId, boolean reload)
    throws IOException {
    return regions.floorEntry(row).getValue().getReplica(replicaId);
  }
{@link RegionLocator} built using the most recent full backup's snapshot manifest for a given
table. Useful for aligning any subsequent incremental backups along the same splits as the full
backup
hbase-server/src/main/java/org/apache/hadoop/hbase/snapshot/SnapshotRegionLocator.java