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kotlinlang

Is it possible to NOT serialize the class descriminator in JSON ?

The class descriminator is only added when it's a sealed class/interface, right? How would you expect to deserialize a polymorphic value without a descriminator?

If your problem is that you don't like what the value is, you can overwrite it using `@SerialName` :

```@Serializable
sealed class Foo {

    @Serializable
    @SerialName("bar")
    data class Bar(…) : Foo()
}```


No. I have an example of just a plain nested data class that gets type field. Also I see "type":"kotlin.collections.ArrayList" for lists.

Weird. To clarify, we're both talking about KotlinX.Serialization, right?

I've never seen a class descriminator added for ArrayList

Are you using the default`@Serializable` or is it a custom-made serializer?

Almost. It looks like it is triggered by the class having a field with a type that is configured to be `polymophic` in the `serializersModule` .

Looks like I can skip the `type` field with `JsonContentPolymorphicSerializer` which we do not use for this case but probably should.
```It is possible to serialize values this serializer. In that case, class discriminator property won't be added to JSON stream [...]```


Why did you configure `ArrayList` to be polymorphic?

You said:
&gt;  it is triggered by the class having a field with a type that is configured to be `polymophic` in the `serializersModule`

I didnt. Look at the bug report for what I do. Its clearly a bug