interface ValueTransformerInterface{publicfunctiontransform(mixed$value,array$options = []):mixed;publicstaticfunctiongetJsonValueType():Type;}

#[\Attribute(\Attribute::TARGET_PROPERTY)]class ValueTransformer{// ...publicfunction__construct(callable|string|null$toNativeValue =null,// can be a callable or a ValueTransformerInterface service idcallable|string|null$toJsonValue =null,// can be a callable or a ValueTransformerInterface service id    ) {// ...    }// ...