return
		}
	}
}

func (conn *Connection) sendDelta(res *discovery.DeltaDiscoveryResponse, newResourceNames []string) error {
	sendResonse := func() error {
		start := time.Now()
		defer func() { xds.RecordSendTime(time.Since(start)) }()
		return conn.deltaStream.Send(res)
	}
	err := sendResonse()
	if err == nil {
		if !strings.HasPrefix(res.TypeUrl, v3.DebugType) {

						}

						// For providing ranged content
						start, rangeLen, err := rs.GetOffsetLength(ci.Size)
						if err != nil {
							start, rangeLen = 0, ci.Size
						}

						// Set content length.
						w.Header().Set(xhttp.ContentLength, strconv.FormatInt(rangeLen, 10))
						if rs != nil {
							contentRange := fmt.Sprintf("bytes %d-%d/%d", start, start+rangeLen-1, ci.Size)

		case images.ErrImagePullBackOff.Error():
			return kubecontainer.ContainerID{}, fmt.Errorf("container %q in pod %q is waiting to start: trying and failing to pull image", containerName, podName)
		default:
			return kubecontainer.ContainerID{}, fmt.Errorf("container %q in pod %q is waiting to start: %v", containerName, podName, reason)
		}