Neos\Media\TypeConverter\AssetInterfaceConverter::buildObject PHP Method

    protected function buildObject(array &$possibleConstructorArgumentValues, $objectType)
    {
        $className = $this->objectManager->getClassNameByObjectName($objectType) ?: static::$defaultNewAssetType;
        if (count($possibleConstructorArgumentValues)) {
            return parent::buildObject($possibleConstructorArgumentValues, $className);
        } else {
            return null;
        }
    }