}

  public void testAvoidsStackOverflow_alternatingCancelledAndSubmitted() throws Exception {
    final SettableFuture<@Nullable Void> settableFuture = SettableFuture.create();
    ListenableFuture<@Nullable Void> unused =
        serializer.submitAsync(
            new AsyncCallable<@Nullable Void>() {
              @Override
              public ListenableFuture<@Nullable Void> call() {

  }

  public void testCount_elementAbsent() {
    when(backingMap.get(KEY)).thenReturn(null);

    assertEquals(0, multiset.count(KEY));
  }

  public void testAdd_zero() {
    final int INITIAL_COUNT = 32;

    when(backingMap.get(KEY)).thenReturn(new AtomicInteger(INITIAL_COUNT));
    assertEquals(INITIAL_COUNT, multiset.add(KEY, 0));
  }

  public void testAdd_firstFewWithSuccess() {

```groovy
public interface ExistingThing {
    String getOtherProperty()
    void setOtherProperty(String s)

    Property<String> getSomeProperty()
}

abstract class DefaultExistingThing implements ExistingThing {
    private String otherProperty
    public String getOtherProperty() ...
    public void setOtherProperty(String s) ...

    // NOTE: No direct implementation of getSomeProperty
}
```

      verifyHostname(hostname, it)
    }
  }

  /**
   * This is like [toLowerCase] except that it does nothing if this contains any non-ASCII
   * characters. We want to avoid lower casing special chars like U+212A (Kelvin symbol) because
   * they can return ASCII characters that match real hostnames.
   */
  private fun String.asciiToLowercase(): String {
    return when {

// time response is sent to the client.
func mustGetRequestID(t time.Time) string {
	return fmt.Sprintf("%X", t.UnixNano())
}

// setEventStreamHeaders to allow proxies to avoid buffering proxy responses
func setEventStreamHeaders(w http.ResponseWriter) {
	w.Header().Set(xhttp.ContentType, "text/event-stream")
	w.Header().Set(xhttp.CacheControl, "no-cache") // nginx to turn off buffering

	// Collection of minio commands currently supported in a trie tree.
	commandsTree := trie.NewTrie()

	// registerCommand registers a cli command.
	registerCommand := func(command cli.Command) {
		// avoid registering commands which are not being built (via
		// go:build tags)
		if command.Name == "" {
			return
		}
		commands = append(commands, command)
		commandsTree.Insert(command.Name)
	}

    @Override
    public DefaultModelBuildingRequest setSystemProperties(Properties systemProperties) {
        if (systemProperties != null) {
            this.systemProperties = new Properties();
            // avoid concurrent modification if someone else sets/removes an unrelated system property
            synchronized (systemProperties) {
                this.systemProperties.putAll(systemProperties);
            }
        } else {

     * is held in the Sync state, and the lock is released whenever the state changes to {@link
     * #COMPLETED}, {@link #CANCELLED}, or {@link #INTERRUPTED}
     *
     * <p>To avoid races between threads doing release and acquire, we transition to the final state
     * in two steps. One thread will successfully CAS from RUNNING to COMPLETING, that thread will

}

func (target *MQTTTarget) init() error {
	return target.initOnce.Do(target.initMQTT)
}

func (target *MQTTTarget) initMQTT() error {
	args := target.args

	// Using hex here, to make sure we avoid 23
	// character limit on client_id according to
	// MQTT spec.
	clientID := fmt.Sprintf("%x", time.Now().UnixNano())

	options := mqtt.NewClientOptions().
		SetClientID(clientID).
		SetCleanSession(true).

 * class Server {
 *   public static void main(String[] args) {
 *     Set<Service> services = ...;
 *     ServiceManager manager = new ServiceManager(services);
 *     manager.addListener(new Listener() {
 *         public void stopped() {}
 *         public void healthy() {
 *           // Services have been initialized and are healthy, start accepting requests...
 *         }
 *         public void failure(Service service) {