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kotlinlang

Hi all! I’m having an annoying problem with Proguard for Kotlinx Serialization. I have a class like this
```@Serializable
data class PagedResult&lt;T, P : PagedResult.Pagination&gt;(val items: List&lt;T&gt;, val pagination: P)```
Everything works fine until the moment when I enable Proguard. An error like this occurs: java.lang.IllegalArgumentException: Unable to create converter for f.a.b.d.i.g.a&lt;&gt; (). f.a.b.d.i.g.a is just a class PagedResult (I see it in mapping.txt) The rules for Proguard are taken from the official kotlinx.serialization repository. Can someone tell me what the problem is?

note that `Json.encodeToString&lt;T&gt;()` `Json.decodeFromString&lt;T&gt;()` look up the serializer reflectively, which means Proguard doesn't see a hard reference to it

if that's the case, try using
```val serializer = PagedResult.serializer(ItemType.serializer(), PaginationType.serializer())
Json.encodeToString(serializer, data)
Json.decodeFromString(serializer, data)```