*
 * <p>See the Guava User Guide article on <a href=
 * "https://github.com/google/guava/wiki/CollectionUtilitiesExplained#sets">{@code Sets}</a>.
 *
 * @author Kevin Bourrillion
 * @author Jared Levy
 * @author Chris Povirk
 * @since 2.0
 */
@GwtCompatible
public final class Sets {
  private Sets() {}

  /**
   * {@link AbstractSet} substitute without the potentially-quadratic {@code removeAll}

  slightly stricter about what values will be accepted as IP addresses and network
  address ranges (“CIDR blocks”).
  
  In particular, octets within IPv4 addresses are not allowed to have any leading
  `0`s, and IPv4-mapped IPv6 values (e.g. `::ffff:192.168.0.1`) are forbidden.
  These sorts of values can potentially cause security problems when different
  components interpret the same string as referring to different IP addresses

     * has grown but the threshold has not yet been updated, so there are no atomicity requirements
     * for this with respect to reads.
     *
     * As a guide, all critical volatile reads and writes to the count field are marked in code
     * comments.
     */

    @Weak final MapMakerInternalMap<K, V, E, S> map;

    /**
     * The number of live elements in this segment's region. This does not include unset elements

- Kubernetes is now built with Golang 1.18.3 ([#110422](https://github.com/kubernetes/kubernetes/pull/110422), [@cpanato](https://github.com/cpanato)) [SIG Release and Testing]

### Bug or Regression

- EndpointSlices marked for deletion are now ignored during reconciliation. ([#110484](https://github.com/kubernetes/kubernetes/pull/110484), [@aryan9600](https://github.com/aryan9600)) [SIG Apps and Network]

// then be retried by healing. In the case of permanent deletes, until the replication is completed on the
// target cluster, the object version is marked deleted on the source and hidden from listing. It is permanently
// deleted from the source when the VersionPurgeStatus changes to "Complete", i.e after replication succeeds
// on target.

        </field>
        <field>
          <name>type</name>
          <version>4.0.0+</version>
          <description>
            <![CDATA[
            The type of dependency, that will be mapped to a file extension, an optional classifier, and a few other attributes.
            Some examples are {@code jar}, {@code war}, {@code ejb-client}

* **[beta]** kubeadm is enhanced and improved with a baseline feature set and command line flags that are now marked as beta. Other parts of kubeadm, including subcommands under `kubeadm alpha`, are [still in alpha](https://kubernetes.io/docs/admin/kubeadm/).  Using it is considered safe, although note that upgrades and HA are not yet supported. Please [try it ...

because it frontends equivalent mirrors in other clouds.  Please point your clusters to the new registry going forward. \n\nAdmission/Policy integrations that have an allowlist of registries need to include `registry.k8s.io` alongside `k8s.gcr.io`.\nAir-gapped environments and image garbage-collection configurations will need to update to pre-pull and preserve required images under `registry.k8s.io` as well as `k8s.gcr.io`. ([#109938](https://github.com/kubernetes/kubernetes/pull/109938), [@dims](https...

  - The `PersistentVolumeLabel` admission controller will be removed in a future release, when the out-of-tree versions of the GCE and AWS cloud providers move to GA. The cloud providers are marked alpha in version 1.9.

### OpenStack

- The `openstack-heat` provider for `kube-up` is deprecated and will be removed

    * Old flag `--skip-preflight-checks` is marked as deprecated and acts as `--ignore-preflight-errors=all`
* Block volumes Support: CRI, volumemanager and operationexecutor changes ([#51494](https://github.com/kubernetes/kubernetes/pull/51494), [@mtanino](https://github.com/mtanino))