return null
      } else if (methodName == "protocols" && callArgs.isEmpty()) {
        return protocols // Client advertises these protocols.
      } else if ((methodName == "selectProtocol" || methodName == "select") &&
        String::class.java == returnType && callArgs.size == 1 && callArgs[0] is List<*>
      ) {
        val peerProtocols = callArgs[0] as List<*>
        // Pick the first known protocol the peer advertises.

    platform(true, true, true),

    // Cross version tests select a small set of versions to cover when run as part of this stage
    quickFeedbackCrossVersion(false, false, true),

    // Cross version tests select all versions to cover when run as part of this stage
    allVersionsCrossVersion(false, false, true, 240),

<img src="/img/tutorial/security/image11.png">

If you don't select any scope, you will be "authenticated", but when you try to access `/users/me/` or `/users/me/items/` you will get an error saying that you don't have enough permissions. You will still be able to access `/status/`.

And if you select the scope `me` but not the scope `items`, you will be able to access `/users/me/` but not `/users/me/items/`.

		defer r.readerWg.Done()
		for {
			q := queueItem{
				input: next,
				dst:   make(chan [][]string, 1),
				err:   nextErr,
			}
			select {
			case <-r.close:
				return
			case r.queue <- &q:
			}

			select {
			case <-r.close:
				return
			case r.input <- &q:
			}
			if nextErr != nil {
				// Exit on any error.
				return
			}

			}
		}(id, target)
	}
	wg.Wait()
	list.totalEvents.Add(1)
}

func (list *TargetList) sendAsync(event Event, targetIDset TargetIDSet) {
	select {
	case list.queue <- asyncEvent{
		ev:        event,
		targetSet: targetIDset.Clone(),
	}:
	case <-list.ctx.Done():
		list.eventsSkipped.Add(int64(len(list.queue)))
		return
	default:

        fmt.Println("Got request with initial payload", p, "from", GetCaller(ctx context.Context))
        fmt.Println("Subroute:", GetSubroute(ctx))
        for {
            select {
            case <-ctx.Done():
                return nil
            case req, ok := <-in:
                if !ok {
                    break
                }           

type writerWrapper struct {
	ch  chan<- []byte
	ctx context.Context
}

func (w *writerWrapper) Write(p []byte) (n int, err error) {
	buf := GetByteBufferCap(len(p))
	buf = buf[:len(p)]
	copy(buf, p)
	select {
	case w.ch <- buf:
		return len(p), nil
	case <-w.ctx.Done():
		return 0, context.Cause(w.ctx)
	}
}

// WriterToChannel will return an io.Writer that writes to the given channel.

        return;
      }

      Document document = Jsoup.parse(response.body().string(), url.toString());
      for (Element element : document.select("a[href]")) {
        String href = element.attr("href");
        HttpUrl link = response.request().url().resolve(href);
        if (link == null) continue; // URL is either invalid or its scheme isn't http/https.

            JvmVersion.java11.major.toString(),
            display = ParameterDisplay.PROMPT,
            allowEmpty = false,
            description = "Java version to run the test with"
        )
        select(
            testJvmVendorParameter,
            JvmVendor.openjdk.name,
            display = ParameterDisplay.PROMPT,
            description = "Java vendor to run the test with",

func (r *metacacheReader) readAll(ctx context.Context, dst chan<- metaCacheEntry) error {
	r.checkInit()
	if r.err != nil {
		return r.err
	}
	defer xioutil.SafeClose(dst)
	if r.current.name != "" {
		select {
		case <-ctx.Done():
			r.err = ctx.Err()
			return ctx.Err()
		case dst <- r.current:
		}
		r.current.name = ""
		r.current.metadata = nil
	}
	for {
		if more, err := r.mr.ReadBool(); !more {