return super.doPreGenerate(object, projectType);
return super.doPostGenerate(object, projectType);
  protected Diagnostic doPostGenerate(Object object, Object projectType)  {    if (MODEL_PROJECT_TYPE.equals(projectType))    {      ((GenPackage)object).clearCache();      return Diagnostic.OK_INSTANCE;    }    return super.doPreGenerate(object, projectType);  }