QML: QQmlListProperty<T>. Does the T need to be a QObject?

It is made clear in the docs that the C++ class that has the list must inherit from QObject but it's not clear if the objects inside the list must be QObjects.
I have tried this approach with a QQmlListProperty and also with a QQmlListProperty, but I get the following errors in both cases:

QMetaProperty::read: Unable to handle unregistered datatype 'QQmlListProperty<QString>' for property 'ns::Status::values'

Edit: My code:

.hpp:

namespace ns{
class Status : public QObject
{
    Q_OBJECT
    Q_PROPERTY(QQmlListProperty<QString> values READ values NOTIFY valuesChanged)

public:
    Status(QObject* parent = Q_NULLPTR);
    virtual ~Status();

    bool updateValues(const std::vector<std::string>& values);

    QQmlListProperty<QString> values();
    int valueCount() const;
    QString* value(int) const;

signals:
    void valuesChanged();

private:
    QVector<QString*> m_values_;

    std::vector<QString> m_valueStorage_;

    static int valueCount(QQmlListProperty<QString>*);
    static QString* value(QQmlListProperty<QString>*, int);
};
}

.cpp:

using namespace ns;
Status::Status(QObject* parent) :
    QObject(parent),
    m_values_(2),
    m_valueStorage_(2)
{}

Status::~Status(){}

bool Status::updateValues(const std::vector<std::string>& values)
{
    //Do Stuff

    emit valuesChanged();
    return true;
}

QQmlListProperty<QString> Status::values()
{
    return QQmlListProperty<QString>(this, nullptr, &Status::valueCount, &Status::value);
}

int Status::valueCount() const
{
    return m_values_.count();
}

QString* Status::value(int index) const
{
    return m_values_.at(index);
}

int Status::valueCount(QQmlListProperty<QString>* list){
    return reinterpret_cast<Status*>(list->data)->valueCount();
}

QString* Status::value(QQmlListProperty<QString>* list, int i){
    return reinterpret_cast<Status*>(list->data)->value(i);
}

QML:

import Foo 1.0
Rectangle {
    Status {
        id: status
        objectName: "Status"
    }

    Component {
        id: value
        Rectangle { Text: {text: modelData } }
    }

    ColumnLayout {
        Repeater { model: status.values; delegate: value }
    }
}

Also, in my main, before I load the qml file into the QQmlApplicationEngine:

qmlRegisterType<ns::Status>("Foo", 1,0, "Status");