*      The WriteContext keeps track (among other things) of the low level binary stream (actually, a Gradle serialization {@link org.gradle.internal.serialize.Encoder Encoder}) and the codec to be used.
 *  </p>
 *  <p>
 *      Object serialization is a graph-walking process, and as such, it has a recursive nature.
 *  </p>
 *  <p></p>

import org.gradle.internal.serialize.Decoder
import org.gradle.internal.serialize.Encoder
import org.gradle.internal.serialize.graph.readFile
import org.gradle.internal.serialize.graph.writeCollection
import org.gradle.internal.serialize.graph.writeFile


internal
fun Encoder.writeClassPath(classPath: ClassPath) {
    // Ensure that the proper type is going to be restored,

    override fun projectPathForKey(key: ModelKey) = key.identityPath

    override fun write(encoder: Encoder, value: IntermediateModel) {
        val (context, codecs) = cacheIO.writerContextFor(encoder)
        context.push(IsolateOwners.OwnerHost(host), codecs.userTypesCodec())
        context.runWriteOperation {
            write(value)
        }
    }

        return sideEffects.map {
            valuesStore.read(it)
        }
    }

    private
    fun write(encoder: Encoder, value: BuildTreeModelSideEffect) {
        val (context, codecs) = cacheIO.writerContextFor(encoder)
        context.push(IsolateOwners.OwnerHost(host), codecs.userTypesCodec())
        context.runWriteOperation {
            write(value)
        }
    }

    override fun projectPathForKey(key: Path) = key

    override fun write(encoder: Encoder, value: LocalComponentGraphResolveState) {
        val (context, codecs) = cacheIO.writerContextFor(encoder)
        context.push(IsolateOwners.OwnerHost(host), codecs.userTypesCodec())
        context.runWriteOperation {
            write(value.id)

    private val calculatedValueContainerFactory: CalculatedValueContainerFactory
) : Closeable {

    private
    val valuesStore by lazy {
        val writer = ValueStore.Writer<V> { encoder, value ->
            write(encoder, value)
        }
        val reader = ValueStore.Reader { decoder ->
            read(decoder)
        }
        store.createValueStore(stateType, writer, reader)
    }

    private

        withIsolate(IsolateOwners.OwnerGradle(mock()), codec) {
            block()
        }

    private
    fun writeContextFor(encoder: FlushableEncoder, codec: Codec<Any?>, problemHandler: ProblemsListener) =
        DefaultWriteContext(
            codec = codec,
            encoder = encoder,
            classEncoder = DefaultClassEncoder(mock()),
            beanStateWriterLookup = DefaultBeanStateWriterLookup(),

		DefaultMapType: reflect.TypeOf(map[string]interface{}(nil)),

		// A CBOR text string whose content is not a valid UTF-8 sequence is well-formed but
		// invalid according to the CBOR spec. Reject invalid inputs. Encoders are
		// responsible for ensuring that all text strings they produce contain valid UTF-8
		// sequences and may use the byte string major type to encode strings that have not
		// been validated.
		UTF8: cbor.UTF8RejectInvalid,

    private
    fun writeContextFor(
        outputStream: OutputStream,
        classEncoder: ClassEncoder,
    ) = DefaultWriteContext(
        codec = isolatedActionCodecs.isolatedActionCodecs(),
        encoder = KryoBackedEncoder(outputStream),
        beanStateWriterLookup = beanStateWriterLookup,
        logger = logger,
        tracer = null,
        problemsListener = ThrowingProblemsListener,