docs: @Nonnull
    public BloodhoundOptions setDatumTokenizerPreTokenized ()
    {
      final JSVar aVarDatum = new JSVar ("d");
      return setDatumTokenizer (new JSAnonymousFunction (aVarDatum,
                                                         new JSReturn (aVarDatum.ref (BloodhoundDatum.JSON_TOKENS))));
    }