code: public void write( IGeneratorSet generatorSet)
      {
      JsonWriterFactory writerFactory = Json.createWriterFactory( MapBuilder.of( PRETTY_PRINTING, true).build());
      JsonWriter jsonWriter = writerFactory.createWriter( getWriter());
  
      jsonWriter.write( GeneratorSetJson.toJson( generatorSet));
      }
docs: Writes the given system test definition the form of a JSON document.