private Result getRegionCatalogResult(RegionInfo region) throws IOException {
    Get get =
      new Get(CatalogFamilyFormat.getMetaKeyForRegion(region)).addFamily(HConstants.CATALOG_FAMILY);
    try (Table table = getMetaTable()) {
      return table.get(get);
    }
  }
Performs an atomic multi-mutate operation against the given table. Used by the likes of merge
and split as these want to make atomic mutations across multiple rows.
hbase-server/src/main/java/org/apache/hadoop/hbase/master/assignment/RegionStateStore.java