Improve consistency between objects that are instantiated by QML vs. qmltc/C++

import QtQuick

QtObject {
    property int qmlNnumber: 42
}

import QtQuick

Window {
    width: 640
    height: 480
    visible: true

    TestObject { objectName: "qmlObject" }
}

#include <QGuiApplication>
#include <QQmlApplicationEngine>
#include "testobject.h"

static void reportProperties(QObject* testObj)
{
    qDebug() << "#####";
    qDebug() << testObj;
    qDebug() << "#####";

    auto metaObj = testObj->metaObject();
    for (int i = 0; i < metaObj->propertyCount(); ++i) {
        QMetaProperty prop = metaObj->property(i);
        qDebug() << "PROPERTY" << prop.name();
        qDebug() << "\tValue:" << prop.read(testObj);
        qDebug() << "\tBindable:" << prop.isBindable();
        qDebug() << "\thasNotifySignal:" << prop.hasNotifySignal();
    }
}

int main(int argc, char *argv[])
{
    QGuiApplication app(argc, argv);

    QQmlApplicationEngine engine;
    QObject::connect(
        &engine,
        &QQmlApplicationEngine::objectCreationFailed,
        &app,
        []() { QCoreApplication::exit(-1); },
        Qt::QueuedConnection);
    engine.loadFromModule("PropertyStudy", "Main");

    reportProperties( engine.rootObjects().first()->findChild<QObject*>("qmlObject") );
    reportProperties( new PropertyStudy::TestObject(&engine));

    return app.exec();
}