object SchemaSerialization {

    private
    val json = Json {
        serializersModule = SerializersModule {
            polymorphic(ConfigureAccessor::class) {
                subclass(ConfigureAccessorInternal.DefaultConfiguringLambdaArgument::class)
                subclass(ConfigureAccessorInternal.DefaultCustom::class)
                subclass(ConfigureAccessorInternal.DefaultProperty::class)
            }
            polymorphic(DataType::class) {

    @Serializable
    @SerialName("configuringLambdaArgument")
    data class DefaultConfiguringLambdaArgument(override val objectType: DataTypeRef) : ConfigureAccessor.ConfiguringLambdaArgument

    // TODO: configure all elements by addition key?
    // TODO: Do we want to support configuring external objects?
}

                val accessor = if (property != null) ConfigureAccessorInternal.DefaultProperty(property) else ConfigureAccessorInternal.DefaultConfiguringLambdaArgument(configuredType.toDataTypeRefOrError())
                FunctionSemanticsInternal.DefaultAccessAndConfigure(accessor, returnType, blockRequirement)
            }