* backing set. The returned map does not support put operations.
   *
   * <p><b>Warning:</b> If the function rejects {@code null}, caution is required to make sure the
   * set does not contain {@code null}, because the view cannot stop {@code null} from being added
   * to the set.
   *
   * <p><b>Warning:</b> This method assumes that for any instance {@code k} of key type {@code K},

   * backing set. The returned map does not support put operations.
   *
   * <p><b>Warning:</b> If the function rejects {@code null}, caution is required to make sure the
   * set does not contain {@code null}, because the view cannot stop {@code null} from being added
   * to the set.
   *
   * <p><b>Warning:</b> This method assumes that for any instance {@code k} of key type {@code K},

th{border-color:#86cfda}.table-hover .table-info:hover{background-color:#abdde5}.table-hover .table-info:hover>td,.table-hover .table-info:hover>th{background-color:#abdde5}.table-warning,.table-warning>td,.table-warning>th{background-color:#ffeeba}.table-warning tbody+tbody,.table-warning td,.table-warning th,.table-warning thead th{border-color:#ffdf7e}.table-hover .table-warning:hover{background-color:#ffe8a1}.table-hover .table-warning:hover>td,.table-hover .table-warning:hover>th{background-co...

    assertThat(response1.header("Warning")).isEqualTo("199 test danger")
    val response2 = get(server.url("/"))
    assertThat(response2.body.string()).isEqualTo("A")
    assertThat(response2.header("Warning")).isNull()
  }

  @Test
  fun getHeadersRetainsCached200LevelWarnings() {
    server.enqueue(
      MockResponse.Builder()
        .addHeader("Warning: 299 test danger")

th{border-color:#86cfda}.table-hover .table-info:hover{background-color:#abdde5}.table-hover .table-info:hover>td,.table-hover .table-info:hover>th{background-color:#abdde5}.table-warning,.table-warning>td,.table-warning>th{background-color:#ffeeba}.table-warning tbody+tbody,.table-warning td,.table-warning th,.table-warning thead th{border-color:#ffdf7e}.table-hover .table-warning:hover{background-color:#ffe8a1}.table-hover .table-warning:hover>td,.table-hover .table-warning:hover>th{background-co...

              restoreInterruptIfIsInterruptedException(e);
              logger.get().log(WARNING, "thrown by close()", e);
            }
          });
    } catch (RejectedExecutionException e) {
      if (logger.get().isLoggable(WARNING)) {
        logger
            .get()
            .log(
                WARNING,
                String.format("while submitting close to %s; will close inline", executor),

- Kubeadm: add a validation warning when the certificateValidityPeriod is more than the caCertificateValidityPeriod ([#126538](https://github.com/kubernetes/kubernetes/pull/126538), [@SataQiu](https://github.com/SataQiu)) [SIG Cluster Lifecycle]

* Delete all firewall rules (and optionally network) on GCE/GKE cluster teardown ([#34577](https://github.com/kubernetes/kubernetes/pull/34577), [@ixdy](https://github.com/ixdy))
* Fixed mutation warning in Attach/Detach controller ([#35273](https://github.com/kubernetes/kubernetes/pull/35273), [@jsafrane](https://github.com/jsafrane))

return data;\n    }\n  } else {\n    // if the arrowElement isn't a query selector we must check that the\n    // provided DOM node is child of its popper node\n    if (!data.instance.popper.contains(arrowElement)) {\n      console.warn(\n        'WARNING: `arrow.element` must be child of its popper element!'\n      );\n      return data;\n    }\n  }\n\n  const placement = data.placement.split('-')[0];\n  const { popper, reference } = data.offsets;\n  const isVertical = ['left', 'right'].indexOf(placement)...

    /** The key of the message:  */
    public static final String ERRORS_front_footer = "{errors.front_footer}";

    /** The key of the message: <div class="alert alert-warning"> */
    public static final String ERRORS_front_prefix = "{errors.front_prefix}";

    /** The key of the message: </div> */
    public static final String ERRORS_front_suffix = "{errors.front_suffix}";