final ActivityHelper spyActivityHelper = createSpyActivityHelper(capturedLogs);

        final String[] paths = { "/admin/user/", "/admin/role/", "/admin/group/", "/admin/scheduler/" };
        for (final String path : paths) {
            capturedLogs.clear();
            final TestActionRuntime testRuntime = new TestActionRuntime(path);

        this.cleanupExecutor = Executors.newSingleThreadScheduledExecutor(r -> {
            Thread t = new Thread(r, "LeaseManager-Cleanup");
            t.setDaemon(true);
            return t;
        });

        // Schedule periodic cleanup
        long cleanupInterval = context.getConfig().getLeaseTimeout();
        if (cleanupInterval <= 0) {
            cleanupInterval = DEFAULT_LEASE_CLEANUP_INTERVAL;
        }

* If ExperimentalCriticalPodAnnotation=True flag gate is set, kubelet will ensure that pods with `scheduler.alpha.kubernetes.io/critical-pod` annotation will be admitted even under resource pressure, will not be evicted, and are reasonably protected from system OOMs. ([#41052](https://github.com/kubernetes/kubernetes/pull/41052), [@vishh](https://github.com/vishh))...

  // threadpool, so that we avoid the possibility of running the runner_ in the
  // threadpool of GPU event mgr, as that can trigger more callbacks to be
  // scheduled on that same threadpool, causing a deadlock in cases where the
  // caller of event_mgr->ThenExecute() blocks on the completion of the callback
  // (as in the case of ConstOp kernel creation on GPU, which involves copying a

    override fun contentType() = delegate.contentType()

    override fun isDuplex() = true

    override fun writeTo(sink: BufferedSink) {
      executorService.schedule({
        try {
          delegate.writeTo(sink)
          sink.close()
        } catch (e: IOException) {
          throw RuntimeException(e)
        }
      }, delayMillis, TimeUnit.MILLISECONDS)
    }

        .build(),
    )
    val webSocket = newWebSocket()
    clientListener.assertOpen()
    val server = serverListener.assertOpen()

    // Initiate a close on the client, which will schedule a hard cancel in 500 ms.
    val closeAtNanos = System.nanoTime()
    webSocket.close(1000, "goodbye", 500L)
    serverListener.assertClosing(1000, "goodbye")

    // Confirm that the hard cancel occurred after 500 ms.

}

// SetSkipTierFreeVersion indicates to skip adding a tier free version id.
// Note: Used only when expiring tiered objects and the remote content has
// already been scheduled for deletion
func (fi *FileInfo) SetSkipTierFreeVersion() {
	if fi.Metadata == nil {
		fi.Metadata = make(map[string]string)
	}
	fi.Metadata[ReservedMetadataPrefixLower+tierSkipFVID] = ""
}

- kube-apiserver
  - The `--enable-logs-handler` flag and log-serving functionality is deprecated, and scheduled to be removed in v1.19. ([#77611](https://github.com/kubernetes/kubernetes/pull/77611), [@rohitsardesai83](https://github.com/rohitsardesai83))

- kube-proxy

    // ============================================================
    // Job and Process Constants
    // ============================================================

    /** Scheduled job identifier. */
    public static final String SCHEDULED_JOB = "scheduledJob";

    /** Job log ID parameter key for passing pre-generated ID to job execution. */
    public static final String JOB_LOG_ID = "jobLogId";

  }

  /**
   * Starts a {@link ClosingFuture} pipeline by submitting a callable block to an executor.
   *
   * @throws java.util.concurrent.RejectedExecutionException if the task cannot be scheduled for
   *     execution
   */
  public static <V extends @Nullable Object> ClosingFuture<V> submit(
      ClosingCallable<V> callable, Executor executor) {
    checkNotNull(callable);