"@type": "type.googleapis.com/envoy.extensions.filters.http.router.v3.Router"
                            }
                          }
                        ],
                        "tracing": {
                          "client_sampling": {
                            "value": 100
                          },
                          "random_sampling": {
                            "value": 1

    assertThrows(NullPointerException.class, () -> builder.add((String[]) elements));
    ImmutableList<String> result = builder.build();

    /*
     * Maybe it rejects all elements, or maybe it adds "a" before failing.
     * Either way is fine with us.
     */
    if (result.isEmpty()) {
      return;
    }
    assertTrue(ImmutableList.of("a").equals(result));
    assertEquals(1, result.size());
  }

    /** The key of the configuration. e.g. 100 */
    String PAGE_CRAWLING_INFO_PARAM_MAX_FETCH_SIZE = "page.crawling.info.param.max.fetch.size";

    /** The key of the configuration. e.g. 1000 */
    String PAGE_CRAWLING_INFO_MAX_FETCH_SIZE = "page.crawling.info.max.fetch.size";

    /** The key of the configuration. e.g. 100 */

        if (existing != null) {
          return existing;
        }
      }
      drainQueue();
      return created;
    }

    // N.B. Draining the queue is only necessary to ensure that we don't accumulate empty references
    // in the array. We could skip this if we decide we don't care about holding on to Reference
    // objects indefinitely.

* The Prometheus metrics for the kube-apiserver for tracking incoming API requests and latencies now return the subresource label for correctly attributing the type of API call. ([#46354](https://github.com/kubernetes/kubernetes/pull/46354), [@smarterclayton](https://github.com/smarterclayton))

    assertThrows(NullPointerException.class, () -> builder.add((String[]) elements));
    ImmutableList<String> result = builder.build();

    /*
     * Maybe it rejects all elements, or maybe it adds "a" before failing.
     * Either way is fine with us.
     */
    if (result.isEmpty()) {
      return;
    }
    assertTrue(ImmutableList.of("a").equals(result));
    assertEquals(1, result.size());
  }

0FD5..0FD8    ; valid                  ;      ; NV8    # 5.2  RIGHT-FACING SVASTI SIGN..LEFT-FACING SVASTI SIGN WITH DOTS
0FD9..0FDA    ; valid                  ;      ; NV8    # 6.0  TIBETAN MARK LEADING MCHAN RTAGS..TIBETAN MARK TRAILING MCHAN RTAGS
0FDB..0FFF    ; disallowed                             # NA   <reserved-0FDB>..<reserved-0FFF>
1000..1021    ; valid                                  # 3.0  MYANMAR LETTER KA..MYANMAR LETTER A

    that need to run prior to the network being ready.
* **Enhance Kubelet QoS**:
  * Pods are placed under a new cgroup hierarchy by default. This feature requires
    draining and restarting the node as part of upgrades. To opt-out set
    `--cgroups-per-qos=false`.
  * If `kube-reserved` and/or `system-reserved` are specified, node allocatable

   * hosting filesystem becomes unreachable, the iterator will omit elements rather than throwing
   * exceptions.
   *
   * **The caller must [close][Snapshot.close]** each snapshot returned by [Iterator.next]. Failing
   * to do so leaks open files!
   */
  @Synchronized
  @Throws(IOException::class)
  fun snapshots(): MutableIterator<Snapshot> {
    initialize()
    return object : MutableIterator<Snapshot> {

    source-incompatible for code that implements the `Chain` interface.
    We don't expect this to be a problem in practice!

 *  **OkHttp has an experimental new API for tracking metrics.** The new
    `EventListener` API is designed to help developers monitor HTTP requests'
    size and duration. This feature is an unstable preview: the API is subject