* computes or retrieves it using the supplied {@code CacheLoader}. If another thread is currently
   * loading the value for this key, simply waits for that thread to finish and returns its loaded
   * value. Note that multiple threads can concurrently load values for distinct keys.
   *

                }
            }
        } catch (final Exception e) {
            logger.warn("Failed to create {} mapping.", configIndex, e);
        }
    }

    /**
     * Waits for the search engine cluster to reach yellow or green status.
     *
     * @param fessConfig the Fess configuration
     * @throws ContainerInitFailureException if the cluster doesn't become available
     */

* Cherrypick [#34851](https://github.com/kubernetes/kubernetes/pull/34851) "Only wait for cache syncs once in NodeController" ([#34861](https://github.com/kubernetes/kubernetes/pull/34861), [@jessfraz](https://github.com/jessfraz))
* NodeController waits for informer sync before doing anything ([#34809](https://github.com/kubernetes/kubernetes/pull/34809), [@gmarek](https://github.com/gmarek))

* Only wait for cache syncs once in NodeController ([#34851](https://github.com/kubernetes/kubernetes/pull/34851), [@ncdc](https://github.com/ncdc))
* NodeController waits for informer sync before doing anything ([#34809](https://github.com/kubernetes/kubernetes/pull/34809), [@gmarek](https://github.com/gmarek))

* Kubeadm now includes CoreDNS version 1.6.5 ([#85108](https://github.com/kubernetes/kubernetes/pull/85108), [@rajansandeep](https://github.com/rajansandeep))
    *  - `kubernetes` plugin adds metrics to measure kubernetes control plane latency.
    *  -  the `health` plugin now includes the `lameduck` option by default, which waits for a duration before shutting down.

    val logs = testLogHandler.takeAll()
    assertThat(firstFrame(logs, "HEADERS")!!, "header logged")
      .contains("HEADERS       END_HEADERS")
    // While MockWebServer waits to read the client's HEADERS frame before sending the response, it
    // doesn't wait to read the client's DATA frame and may send a DATA frame before the client
    // does. So we can't assume the client's empty DATA will be logged first.

   * computes or retrieves it using the supplied {@code CacheLoader}. If another thread is currently
   * loading the value for this key, simply waits for that thread to finish and returns its loaded
   * value. Note that multiple threads can concurrently load values for distinct keys.
   *

    }
  }

  /** A reference to a value. */
  interface ValueReference<K, V> {
    /** Returns the value. Does not block or throw exceptions. */
    @Nullable V get();

    /**
     * Waits for a value that may still be loading. Unlike get(), this method can block (in the case
     * of FutureValueReference).
     *
     * @throws ExecutionException if the loading thread throws an exception

    assertThat(actual).isEqualTo(expected)
  }

  /**
   * Returns true when all work currently in progress by the watchdog have completed. This method
   * creates more work for the watchdog and waits for that work to be executed. When it is, we know
   * work that preceded this call is complete.
   */
  private fun awaitWatchdogIdle() {
    val latch = CountDownLatch(1)
    val watchdogJob: AsyncTimeout =

- kubeadm: added back `--cert-dir` option for `kubeadm init phase certs sa` ([#73239](https://github.com/kubernetes/kubernetes/pull/73239), [@mattkelly](https://github.com/mattkelly))
- kubeadm: now explicitly waits for `etcd` to have grown when joining a new control plane ([#72984](https://github.com/kubernetes/kubernetes/pull/72984), [@ereslibre](https://github.com/ereslibre))