How to deserialize derived classes that use none-default constructors about qtjsonserializer HOT 2 OPEN

class Base : public QObject
{
    Q_OBJECT
    Q_CLASSINFO("polymorphic", "true")
public:
    Base(QObject *parent = nullptr) {}
}


class Derived : public Base
{
    Q_OBJECT
public:
    Q_INVOKABLE  Derived(int a, QObject *parent = nullptr) : Base(parent) {}
}

class Derived2 : public Base
{
    Q_OBJECT
public:
    Q_INVOKABLE  Derived2(int a, int b, QObject *parent = nullptr) : Base(parent) {}
}

class Q_JSONSERIALIZER_EXPORT QJsonCustomConverter : public QJsonTypeConverter
{
   int m_number;
public:
    QJsonCustomConverter(int n) : m_number(n) {}
    bool canConvert(int metaTypeId) const override;
    ...
    ...
    ...
}

bool QJsonCustomConverter::canConvert(int metaTypeId) const
{
    if (metaTypeId != QMetaType::type("Derived*"))
        return false;
    auto flags = QMetaType::typeFlags(metaTypeId);
    return (flags.testFlag(QMetaType::PointerToQObject) ||
            flags.testFlag(QMetaType::SharedPointerToQObject) ||//weak ptr cannot be constructed
            flags.testFlag(QMetaType::TrackingPointerToQObject));
}
...
...
QVariant QJsonCustomConverter::deserialize(int propertyType, const QJsonValue &value, QObject *parent, const QJsonTypeConverter::SerializationHelper *helper) const
{
...
...
auto object = metaObject->newInstance(Q_ARG(int, m_number), Q_ARG(QObject*, parent));
    if(!object) {
        throw QJsonDeserializationException(QByteArray("Failed to construct object")
    }
...
...
}

class Q_JSONSERIALIZER_EXPORT QJsonCustomConverter2 : public QJsonTypeConverter
{
   int m_number;
   int m_number2;
public:
    QJsonCustomConverter2(int n, int n2) : m_number(n), m_number2(n2) {}
    bool canConvert(int metaTypeId) const override;
    ...
    ...
    ...
}

bool QJsonCustomConverter::canConvert(int metaTypeId) const
{
    if (metaTypeId != QMetaType::type("Derived2*"))
        return false;
    auto flags = QMetaType::typeFlags(metaTypeId);
    return (flags.testFlag(QMetaType::PointerToQObject) ||
            flags.testFlag(QMetaType::SharedPointerToQObject) ||//weak ptr cannot be constructed
            flags.testFlag(QMetaType::TrackingPointerToQObject));
}
...
...
QVariant QJsonCustomConverter::deserialize(int propertyType, const QJsonValue &value, QObject *parent, const QJsonTypeConverter::SerializationHelper *helper) const
{
...
...
auto object = metaObject->newInstance(Q_ARG(int, m_number), Q_ARG(int, m_number2), Q_ARG(QObject*, parent));
    if(!object) {
        throw QJsonDeserializationException(QByteArray("Failed to construct object")
    }
...
...
}