namespace aaa::Data {                                                                                                                                                           
        Q_NAMESPACE                                                                                                                                                             
        QML_NAMED_ELEMENT(Data)                                                                                                                                                 
        QML_UNCREATABLE("C++ namespace")                                                                                                                                        
        Q_CLASSINFO("RegisterEnumClassesUnscoped", "false")                                                                                                                     
                                                                                                                                                                                
   enum class DType : uint8_t {                                                                                                                                                 
     A, B                                                                                                                                                                       
   };                                                                                                                                                                           
   Q_ENUM_NS(DType)   
}

Item {
  property int secret: Data.DType.A  
}

Item {
  property int secret: Data.A  
}