ViewModelContextSerializer.kt

package com.dmm.eikaiwa.viewmodels

import kotlinx.serialization.KSerializer
import kotlinx.serialization.Serializable
import kotlinx.serialization.descriptors.SerialDescriptor
import kotlinx.serialization.descriptors.buildClassSerialDescriptor
import kotlinx.serialization.descriptors.element
import kotlinx.serialization.encoding.Decoder
import kotlinx.serialization.encoding.Encoder
import kotlin.uuid.Uuid

@Serializable
data object ViewModelContext

class ViewModelContextSerializer(
    val referenceCache: ViewModelReferenceCache,
    val rootIds: List<Uuid>?
) : KSerializer<ViewModelContext> {
    override val descriptor: SerialDescriptor = buildClassSerialDescriptor("ViewModelContext") {
        element<ViewModelReferenceCache>("referenceCache")
        element<ViewModelRecord>("rootModel")
    }

    override fun serialize(encoder: Encoder, value: ViewModelContext) {
        throw NotImplementedError("This should never be called.")
    }

    override fun deserialize(decoder: Decoder): ViewModelContext {
        throw NotImplementedError("This should never be called.")
    }
}