findPolymorphicSerializerOrNull

@InternalSerializationApi
open override fun findPolymorphicSerializerOrNull(decoder: CompositeDecoder, klassName: String?): DeserializationStrategy<DateTimeUnit>?(source)
@InternalSerializationApi
open override fun findPolymorphicSerializerOrNull(encoder: Encoder, value: DateTimeUnit): SerializationStrategy<DateTimeUnit>?(source)