docs: public static Class getClassOfOpenEngSBModel(String clazz, 
              String version,
              OsgiUtilsService serviceFinder) throws ClassNotFoundException {
          ModelRegistry registry = serviceFinder.getService(ModelRegistry.class);
          ModelDescription modelDescription = new ModelDescription(clazz, version);
          Class clazzObject = registry.loadModel(modelDescription);   
          return clazzObject;
      }