/**
 * Allows the registration of {@link FileChangeListener}s.
 *
 * We can't use listener manager directly, since the listeners will be created in
 * child scopes of the user home scope.
 */
@ServiceScope(Scope.UserHome.class)
public interface FileChangeListeners {
    /**
     * Registers the listener with the build, the listener can be unregistered with {@link #removeListener(FileChangeListener)}.
     */

 * instance contains a list of listeners, each with an associated {@code Executor}, and guarantees
 * that every {@code Runnable} that is {@linkplain #add added} will be executed after {@link
 * #execute()} is called. Any {@code Runnable} added after the call to {@code execute} is still
 * guaranteed to execute. There is no guarantee, however, that listeners will be executed in the

	// Create new HTTP listener.
	var listener *httpListener
	listener, listenErrs := newHTTPListener(
		listenCtx,
		srv.Addrs,
		srv.TCPOptions,
	)

	var interfaceFound bool
	for i := range listenErrs {
		if listenErrs[i] != nil {
			listenErrCallback(srv.Addrs[i], listenErrs[i])
		} else {
			interfaceFound = true
		}
	}
	if !interfaceFound {

	return c.configmapNamespace + "/" + c.configmapName
}

// AddListener adds a listener to be notified when the CA content changes.
func (c *ConfigMapCAController) AddListener(listener Listener) {
	c.listeners = append(c.listeners, listener)
}

// loadCABundle determines the next set of content for the file.
func (c *ConfigMapCAController) loadCABundle() error {

      return delegate;
    }

    @Override
    public void addListener(Runnable listener, Executor exec) {
      executionList.add(listener, exec);

      // When a listener is first added, we run a task that will wait for the delegate to finish,
      // and when it is done will run the listeners.
      if (hasListeners.compareAndSet(false, true)) {
        if (delegate.isDone()) {

			continue
		}
		// downstream_cx_active is accounted under "http." and "listener." for http listeners.
		// Only consider listener stats. Listener stats also will have per worker stats, we can
		// ignore them.
		if !strings.HasPrefix(parts[0], "listener.") || strings.Contains(parts[0], "worker_") {
			continue
		}
		// If the stat is for a known Istio listener skip it.
		if a.knownIstioListeners.Contains(parts[0]) {
			continue
		}

            ProjectConnection connection ->
                connection.model(BuildInvocations).forTasks('assemble').addProgressListener(events).get()
        }

        then: "progress events must be forwarded to the attached listeners"
        events.assertIsABuild()
    }

    def "receive progress events when launching a build"() {
        given:
        goodCode()

        when: "launching a build"

		}
		t.Logf("host %q should connect to %d hosts", hosts[x], should)
	}
}

func startServer(t testing.TB, listener net.Listener, handler http.Handler) (server *httptest.Server) {
	t.Helper()
	server = httptest.NewUnstartedServer(handler)
	server.Config.Addr = listener.Addr().String()
	server.Listener = listener
	server.Start()
	// t.Cleanup(server.Close)
	t.Log("Started server on", server.Config.Addr, "URL:", server.URL)

        given:
        Map<OperationType, List<ProgressListener>> listeners = operationTypes.collectEntries {
            [(it): [Stub(ProgressListener)]]
        }

        when:
        def adapter = new BuildProgressListenerAdapter(listeners)

        then:
        adapter.subscribedOperations as Set == expectedSubscribedOperations

        where:

     *
     * @param cls the type of the listener
     * @param registrationPoint the place that the listener was registered - used in the operation description / details
     * @param listener the listener
     */
    <T> T decorate(String registrationPoint, Class<T> cls, T listener);

    /**
     * Decorates a listener of unknown type.
     * <p>