internal var errorException: IOException? = null

  init {
    if (headers != null) {
      check(!isLocallyInitiated) { "locally-initiated streams shouldn't have headers yet" }
      headersQueue += headers
    } else {
      check(isLocallyInitiated) { "remotely-initiated streams should have headers" }
    }
  }

  /**
   * Returns true if this stream is open. A stream is open until either:
   *

							if testTopology[srcKey] == nil {
								testTopology[srcKey] = map[string]int{}
							}
							var dstnames []string
							for _, dst := range dsts {
								dstnames = append(dstnames, dst.Config().ClusterLocalFQDN())
							}
							dstKey := strings.Join(dstnames, "_")
							testTopology[srcKey][dstKey]++
						})
				},
				expect: map[string]map[string]int{

		if err != nil {
			return err
		}
		return next(resp)
	})
}

// Streamer creates a stream.
type Streamer interface {
	NewStream(ctx context.Context, h HandlerID, payload []byte) (st *Stream, err error)
}

// Call the remove with the request and
func (h *StreamTypeHandler[Payload, Req, Resp]) Call(ctx context.Context, c Streamer, payload Payload) (st *TypedStream[Req, Resp], err error) {
	if c == nil {

			t.Helper()
			if c.networkFromSystemNamespace().String() != network {
				return fmt.Errorf("no network system notify")
			}
			podNames := sets.New[string]("pod1", "pod2")
			svcNames := sets.New[string]("svc1")
			addresses := c.ambientIndex.All()
			for _, addr := range addresses {
				wl := addr.GetWorkload()
				if wl != nil {
					if !podNames.Contains(wl.Name) {
						continue
					}

   */
  internal var routeFailureCount = 0

  private var successCount = 0
  private var refusedStreamCount = 0

  /**
   * The maximum number of concurrent streams that can be carried by this connection. If
   * `allocations.size() < allocationLimit` then new streams can be created on this connection.
   */
  internal var allocationLimit = 1
    private set

  /** Current calls carried by this connection. */

    iter->Unref();
  }
  // The XlaDeviceContext keeps a reference count to the streams, and the
  // XlaDeviceContext remains live for the duration of a Executor run. This
  // ensures that the streams remain live for the duration of a run, even if
  // an error is encountered and the streams are replaced with new ones.
  for (const auto& iter : shape_determination_fns_) {

   * Returns a {@link Collector} that accumulates elements into an {@code ImmutableListMultimap}
   * whose keys and values are the result of applying the provided mapping functions to the input
   * elements.
   *
   * <p>For streams with defined encounter order (as defined in the Ordering section of the {@link
   * java.util.stream} Javadoc), that order is preserved, but entries are <a
   * href="ImmutableMultimap.html#iteration">grouped by key</a>.
   *

		// item in this list nevertheless constitutes user error.
		setNames := []string{}
		for _, s := range sets {
			setNames = append(setNames, s.Name)
		}
		utilruntime.HandleError(
			fmt.Errorf(
				"user error: more than one StatefulSet is selecting pods with labels: %+v. Sets: %v",
				pod.Labels, setNames))
	}
	return sets
}

   * Returns a {@link Collector} that accumulates elements into an {@code ImmutableSetMultimap}
   * whose keys and values are the result of applying the provided mapping functions to the input
   * elements.
   *
   * <p>For streams with defined encounter order (as defined in the Ordering section of the {@link
   * java.util.stream} Javadoc), that order is preserved, but entries are <a
   * href="ImmutableMultimap.html#iteration">grouped by key</a>.
   *

		}

		newContent.sniCerts = append(newContent.sniCerts, sniCertKeyContent{certKeyContent: certKeyContent{cert: currCert, key: currKey}, sniNames: sniCert.SNINames()})
	}

	return newContent, nil
}

// syncCerts gets newTLSContent, if it has changed from the existing, the content is parsed and stored for usage in
// GetConfigForClient.