type httpStreamResponse struct {
	done  chan error
	block chan []byte
	err   error
}

// Write part of the streaming response.
// Note that upstream errors are currently not forwarded, but may be in the future.
func (h *httpStreamResponse) Write(b []byte) (int, error) {
	if len(b) == 0 || h.err != nil {
		// Ignore 0 length blocks
		return 0, h.err
	}
	tmp := make([]byte, len(b))
	copy(tmp, b)
	h.block <- tmp

                // For now, log the event
                log.info("Address change requested to: {} (not implemented)", newAddress);

                // Could implement transport recreation here in the future

            } catch (Exception e) {
                log.error("Failed to handle address change to: {}", newAddress, e);
            }
        });
    }

    /**

* Add get/delete cluster, delete context to kubectl config ([#29821]...

  * Caveat: The alpha version no longer supports, and the beta version does not support, the "empty `podAffinityTerm.namespaces` list means all namespaces" behavior....

     * <code>smb1://server/</code>, or <code>smb1://server/share/</code> URLs
     * because workgroups, servers, and shares cannot be dynamically created
     * (although in the future it may be possible to create shares).
     *
     * @throws SmbException if an error occurs while creating the directory
     */
    public void mkdir() throws SmbException {

 *
 * <p>It is of course possible to use the methods of this class to check for invalid conditions
 * which are <i>not the caller's fault</i>. Doing so is <b>not recommended</b> because it is
 * misleading to future readers of the code and of stack traces. See <a
 * href="https://github.com/google/guava/wiki/ConditionalFailuresExplained">Conditional failures

	// doing below. However the changes that are needed here are a bit involved,
	// further discussion advised. Remove this comment and remove the worker model
	// for this function in future.
	maxWorkers := runtime.GOMAXPROCS(0) / 2
	ng := WithNPeersThrottled(len(sys.peerClients), maxWorkers)
	for idx, client := range sys.peerClients {
		if client == nil {
			continue
		}
		client := client

   * because timeouts and interrupts may occur at any time, a {@code true} return does not guarantee
   * that the guard becoming satisfied in the future will awaken any threads. This method is
   * designed primarily for use in monitoring of the system state.
   */
  public boolean hasWaiters(Guard guard) {
    return getWaitQueueLength(guard) > 0;
  }

Additionally, since the information returned from the discovery APIs may change dynamically, a cache of the results should not be considered authoritative.
ETag support is planned in a future version to facilitate client caching.
([#47977](https://github.com/kubernetes/kubernetes/pull/47977), [#44957](https://github.com/kubernetes/kubernetes/pull/44957))

### Ingress graduates to General Availability