docs: public static List<Scanner> getScanners(final Query query) {
      final List<Scanner> scanners = new ArrayList<Scanner>(
          Const.SALT_WIDTH() > 0 ? Const.SALT_BUCKETS() : 1);
      if (Const.SALT_WIDTH() > 0) {
        for (int i = 0; i < Const.SALT_BUCKETS(); i++) {
          scanners.add(((TsdbQuery) query).getScanner(i));
        }
      } else {
        scanners.add(((TsdbQuery) query).getScanner());
      }
      return scanners;
    }