NovaRegistryEntrySetSerializer
open class NovaRegistryEntrySetSerializer<T : NovaRegistryElement<T>>(val registry: NovaRegistry<T>) : JsonTransformingSerializer<RegistryEntrySet.Nova<T>>
Open base class for specialized RegistryEntrySet.Nova serializers. Serializes RegistryEntrySet.Nova.Tag to #namespace:value and RegistryEntrySet.Nova.Direct to ["namespace:value1", "namespace:value2"] (or just "namespace:value" if there's only one entry).
This is a JsonTransformingSerializer as it needs to support both arrays and primitive values, so it can only be used for JSON.