JSON: Fix mutable `classDiscriminatorMode` in config, and mark experimental in builder#2680

Merged

sandwwraith merged 2 commits intoKotlin:devfrom

BenWoodworth:dev

May 28, 2024

Commits on May 17, 2024

Mark `classDiscriminatorMode` as experimental in `JsonBuilder`
BenWoodworth
committed

Commits on May 27, 2024

Deprecate mutable `classDiscriminatorMode` in `JsonConfiguration`
BenWoodworth
committed