Expected Behavior

when generating oneof interfaces they should be Serdeable just like all other models.

Actual Behaviour

when generating oneof interfaces the resulting interfaces looks like this:

@Generated("io.micronaut.openapi.generator.KotlinMicronautClientCodegen")
interface AccessLevel

which makes http calls using it error with:
Error decoding HTTP response body: No bean introspection available for type [interface <redacted>.model.AccessLevel]. Ensure the class is annotated with io.micronaut.core.annotation.Introspected

Steps To Reproduce

No response

Environment Information

No response

Example Application

No response

Version

6.18.1