code: private void addValuesToSelection(Selection results, byte key) {
          if (key != DEFAULT_RETURN_VALUE) {
              int i = 0;
              for (byte next : values) {
                  if (key == next) {
                      results.add(i);
                  }
                  i++;
              }
          }
      }
docs: Given a key matching some string, add to the selection the index of every record that matches that key