code: private Iterator<Record> decodeRows(Iterator<Iterable<Row>> rowGroups, final AstyanaxTable table) {
          return Iterators.transform(rowGroups, rowGroup -> {
              String key = AstyanaxStorage.getContentKey(getRawKeyFromRowGroup(rowGroup));
              return newRecordFromCql(new Key(table, key), rowGroup);
          });
      }
docs: Converts rows from a single C* row to a Record.