docs: public static Pair<Long, String> calculateDrTableSignatureAndCrc(Database catalog) {
          SortedSet<Table> tables = Sets.newTreeSet();
          tables.addAll(getSnapshotableTables(catalog, true).getFirst());
          tables.addAll(getSnapshotableTables(catalog, false).getFirst());
  
          final PureJavaCrc32 crc = new PureJavaCrc32();
          final StringBuilder sb = new StringBuilder();
          String delimiter = "";
          for (Table t : tables) {
              if (t.getIsdred()) {
                  crc.update(t.getSignature().getBytes(Charsets.UTF_8));
                  sb.append(delimiter).append(t.getSignature());
                  delimiter = SIGNATURE_DELIMITER;
              }
          }
  
          return Pair.of(crc.getValue(), sb.toString());
      }