docs: public static String convertToDRL(PMML pmml, DrlType drlType) {
          if (pmml != null) {
              ScorecardCompiler scorecardCompiler = new ScorecardCompiler(drlType);
              scorecardCompiler.setPMMLDocument(pmml);
              return scorecardCompiler.getDRL();
          }
          return null;
      }