template<typename T>
    typename QtPrivate::QEnableIf<QtPrivate::IsQEnumHelper<T>::Value, QString>::Type
    toString(const T &enumerationValue)
    {
        QMetaEnum e = QMetaEnum::fromType<T>();
        const QMetaObject *obj = e.enclosingMetaObject();
        const char* className = obj->className();
        const char* enumName = e.name();
        // cast is needed for enum class type
        const char *fieldName = e.valueToKey(static_cast<int>(enumerationValue));
        return QString("%1::%2(%3)").arg(className, enumName, fieldName);
    }