if maxMemoryBytes <= 0 {
		if maxMemory < 0 {
			maxMemoryBytes = 0
		} else {
			maxMemoryBytes = math.MaxInt64
		}
	}
	var copyBuf []byte
	for {
		p, err := r.nextPart(false, maxMemoryBytes, maxHeaders)
		if err == io.EOF {
			break
		}
		if err != nil {
			return nil, err
		}
		if maxParts <= 0 {
			return nil, ErrMessageTooLarge
		}
		maxParts--

          // Task must be null, since each execution on this executor can only produce one more
          // execution.
          checkState(submittingTaskQueue.nextTask == null);
          submittingTaskQueue.nextTask = task;
          // requireNonNull(delegate) is safe for reasons similar to requireNonNull(sequencer).
          submittingTaskQueue.nextExecutor = requireNonNull(delegate);
          delegate = null;

	dups := make(map[string][]string)
	for name, addr := range want {
		if _, ok := dups[addr]; !ok {
			dups[addr] = make([]string, 0)
		}
		dups[addr] = append(dups[addr], name)
	}

nextWant:
	for name, wantAddr := range want {
		if haveAddr, ok := have[name]; ok {
			if haveAddr != wantAddr {
				t.Errorf("unexpected MAC address for %q - %v, want %v", name, haveAddr, wantAddr)
			}
			continue

// When finished, it emits header for nextTest, which is going to run after the
// pending commands are done (and runPending returns).
// A test should call runPending if it wants to make sure that it is not
// running in parallel with earlier tests, or if it has some other reason
// for needing the earlier tests to be done.
func (t *tester) runPending(nextTest *distTest) {
	worklist := t.worklist
	t.worklist = nil

    ```kotlin
    val response: Response = call.execute()
    val multipartReader = MultipartReader(response.body!!)

    multipartReader.use {
      while (true) {
        val part = multipartReader.nextPart() ?: break
        process(part.headers, part.body)
      }
    }
    ```

 *  New: `MediaType.parameter()` gets a parameter like `boundary` from a media type like
    `multipart/mixed; boundary="abc"`.

				t.Errorf("range=%q Content-Length = %d; want %d", rt.r, g, w)
				continue
			}
			mr := multipart.NewReader(bytes.NewReader(body), params["boundary"])
			for ri, rng := range rt.ranges {
				part, err := mr.NextPart()
				if err != nil {
					t.Errorf("range=%q, reading part index %d: %v", rt.r, ri, err)
					continue Cases
				}
				wantContentRange = fmt.Sprintf("bytes %d-%d/%d", rng.start, rng.end-1, testFileLen)

		maxMemoryBytes := 2 * int64(10<<20)
		maxMemoryBytes -= int64(len(name))
		maxMemoryBytes -= mapEntryOverhead
		if maxMemoryBytes < 0 {
			// We can't actually take this path, since nextPart would already have
			// rejected the MIME headers for being too large. Check anyway.
			apiErr := errorCodes.ToAPIErr(ErrMalformedPOSTRequest)

	public fun <init> (Lokhttp3/ResponseBody;)V
	public fun <init> (Lokio/BufferedSource;Ljava/lang/String;)V
	public final fun boundary ()Ljava/lang/String;
	public fun close ()V
	public final fun nextPart ()Lokhttp3/MultipartReader$Part;
}

public final class okhttp3/MultipartReader$Part : java/io/Closeable {
	public fun <init> (Lokhttp3/Headers;Lokio/BufferedSource;)V
	public final fun body ()Lokio/BufferedSource;

		{"(*Form).RemoveAll", Method, 0},
		{"(*Part).Close", Method, 0},
		{"(*Part).FileName", Method, 0},
		{"(*Part).FormName", Method, 0},
		{"(*Part).Read", Method, 0},
		{"(*Reader).NextPart", Method, 0},
		{"(*Reader).NextRawPart", Method, 14},
		{"(*Reader).ReadForm", Method, 0},
		{"(*Writer).Boundary", Method, 0},
		{"(*Writer).Close", Method, 0},
		{"(*Writer).CreateFormField", Method, 0},

pkg mime/multipart, method (*Part) FileName() string
pkg mime/multipart, method (*Part) FormName() string
pkg mime/multipart, method (*Part) Read([]uint8) (int, error)
pkg mime/multipart, method (*Reader) NextPart() (*Part, error)
pkg mime/multipart, method (*Reader) ReadForm(int64) (*Form, error)
pkg mime/multipart, method (*Writer) Boundary() string
pkg mime/multipart, method (*Writer) Close() error