.build();

    final ProgressListener progressListener = new ProgressListener() {
      boolean firstUpdate = true;

      @Override public void update(long bytesRead, long contentLength, boolean done) {
        if (done) {
          System.out.println("completed");
        } else {
          if (firstUpdate) {
            firstUpdate = false;
            if (contentLength == -1) {

    protected static final String SUFFIX = ".tmp";

    protected boolean done = false;

    public ContentOutputStream(final int threshold, final File tmpDir) {
        super(threshold, PREFIX, SUFFIX, tmpDir);
    }

    @Override
    public File getFile() {
        done = true;
        return super.getFile();
    }

    @Override
    public void close() throws IOException {

  protected AbstractIterator() {}

  private enum State {
    READY,
    NOT_READY,
    DONE,
    FAILED,
  }

  @CheckForNull private T next;

  @CheckForNull
  protected abstract T computeNext();

  @CanIgnoreReturnValue
  @CheckForNull
  protected final T endOfData() {
    state = State.DONE;
    return null;
  }

  @Override
  public final boolean hasNext() {

type lazyInit struct {
	done uint32
	m    sync.Mutex
}

func (l *lazyInit) Do(f func() error) error {
	if atomic.LoadUint32(&l.done) == 0 {
		return l.doSlow(f)
	}
	return nil
}

func (l *lazyInit) doSlow(f func() error) error {
	l.m.Lock()
	defer l.m.Unlock()
	if atomic.LoadUint32(&l.done) == 0 {
		if err := f(); err != nil {
			return err
		}

					done = true
				}
			}
		case <-ctx.Done():
			// Capture timedout locks as failed or took too long
			locksFailed++
			if locksFailed > tolerance {
				// We know that we are not going to get the lock anymore,
				// so exit out and release any locks that did get acquired
				done = true
			}
		}

		if done {
			break
		}
	}

				xfer := make([]expireObjInfo, len(toDel))
				copy(xfer, toDel)

				var done bool
				select {
				case <-ctx.Done():
					done = true
				case expireCh <- xfer:
					toDel = toDel[:0] // resetting toDel
				}
				if done {
					break
				}
			}
			var match BatchJobExpireFilter
			var found bool
			for _, rule := range r.Rules {

func (m *muxServer) handleInbound(c *Connection, inbound <-chan []byte, handlerIn chan<- []byte) {
	for {
		select {
		case <-m.ctx.Done():
			return
		case in, ok := <-inbound:
			if !ok {
				return
			}
			select {
			case <-m.ctx.Done():
				return
			case handlerIn <- in:
				m.send(message{Op: OpUnblockClMux, MuxID: m.ID, Flags: c.baseFlags})
			}
		}
	}
}

                done = true;
                break;
            }
            assertTrue("plugin(" + target + ") is installed.", done);
        }
        // Delete
        {
            checkDeleteMethod(targetMap).then().body("response.status", equalTo(0));

            boolean done = false;
            for (int i = 0; i < 60; i++) {

// PipeWriter is similar to io.PipeWriter with wait group
type PipeWriter struct {
	*io.PipeWriter
	once sync.Once
	done func()
}

// CloseWithError close with supplied error the writer end.
func (w *PipeWriter) CloseWithError(err error) error {
	err = w.PipeWriter.CloseWithError(err)
	w.once.Do(func() {
		w.done()
	})
	return err
}

// PipeReader is similar to io.PipeReader with wait group
type PipeReader struct {

		ctx,
		mock.IsType(pod),
		util.GetPodIPsIfPresent(pod),
		"",
	).Return(nil)

	server := getFakeDP(fs, client.Kube())

	handlers := setupHandlers(ctx, client, server, "istio-system")
	client.RunAndWait(ctx.Done())
	go handlers.Start()

	// label the namespace
	labelsPatch := []byte(fmt.Sprintf(`{"metadata":{"labels":{"%s":"%s"}}}`,
		label.IoIstioDataplaneMode.Name, constants.DataplaneModeAmbient))