Hello, how can I configure the following: ```seal...

# serialization

[Kuba Petržílka]

Hello,
how can I configure the following:

sealed interface SystemXsId {
    @Serializable
    @JvmInline
    value class Known(val value: NonEmptyString) : SystemXsId

    @Serializable
    object Unknown : SystemXsId
}

to be serialized either as:
• the value of NonEmptyString (which is already serializable and it works) - in case it is Known
• null in case it is Unknown
I probably have to specify an explicit serializer for the sealed interface, but how would it look like?

[Dominaezzz]

See the above thread for a hint.