Q_DECLARE_METATYPE(QQmlDebugEngineReference)
Q_DECLARE_METATYPE(QQmlDebugObjectReference)
Q_DECLARE_METATYPE(QQmlDebugContextReference)
Q_DECLARE_METATYPE(QQmlDebugPropertyReference)
Q_DECLARE_METATYPE(QQmlDebugEngineReference)
Q_DECLARE_METATYPE(QQmlDebugObjectReference)
Q_DECLARE_METATYPE(QQmlDebugContextReference)
Q_DECLARE_METATYPE(QQmlDebugPropertyReference)