override suspend fun WriteContext.encode(value: Any) {
        encodePreservingIdentityOf(value) {
            val beanType = GeneratedSubclasses.unpackType(value)
            withBeanTrace(beanType) {
                writeBeanOf(beanType, value)
            }
        }
    }

    override suspend fun ReadContext.decode(): Any =
        decodePreservingIdentity { id ->
            val beanType = readClass()