case QMetaType::Void:            return QScriptValue(this, QScriptValue::UndefinedValue);        case QMetaType::Nullptr:            return QScriptValue(this, QScriptValue::NullValue);        case QMetaType::Bool:            return QScriptValue(this, val.toBool());        case QMetaType::Int:        case QMetaType::Long:        case QMetaType::Short:            return QScriptValue(this, val.toInt());        case QMetaType::UInt:        case QMetaType::ULong:        case QMetaType::UShort:            return QScriptValue(this, val.toUInt());        case QMetaType::Float:        case QMetaType::LongLong:        case QMetaType::ULongLong:        case QMetaType::Double:            return QScriptValue(this, val.toFloat());        case QMetaType::QString:        case QMetaType::QByteArray:            return QScriptValue(this, val.toString());        case QMetaType::QVariant:            return castVariantToValue(val.value<QVariant>());        case QMetaType::QObjectStar: {            QObject* obj = val.value<QObject*>();            if (obj == nullptr) return QScriptValue(this, QScriptValue::NullValue);            return ScriptObjectQtProxy::newQObject(this, obj);        }        case QMetaType::QDateTime:            return static_cast<QScriptEngine*>(this)->newDate(val.value<QDateTime>());        case QMetaType::QDate:            return static_cast<QScriptEngine*>(this)->newDate(val.value<QDate>().startOfDay());        default:            // check to see if this is a pointer to a QObject-derived object            if (QMetaType::typeFlags(valTypeId) & (QMetaType::PointerToQObject | QMetaType::TrackingPointerToQObject)) {                QObject* obj = val.value<QObject*>();                if (obj == nullptr) return QScriptValue(this, QScriptValue::NullValue);                return ScriptObjectQtProxy::newQObject(this, obj);            }            // have we set a prototype'd variant?            {                _customTypeProtect.lockForRead();                CustomPrototypeMap::const_iterator lookup = _customPrototypes.find(valTypeId);                if (lookup != _customPrototypes.cend()) {                    return ScriptVariantQtProxy::newVariant(this, val, lookup.value());                }                _customTypeProtect.unlock();            }            // just do a generic variant            return QScriptEngine::newVariant(val);    }}

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