* non-@Nullable parameter to trigger a NullPointerException.
     *
     * (We still define this empty method to keep PackageSanityTests from generating its own
     * automated nullness tests, which would fail.)
     */
  }

  private static final Object IGNORE_ME =
      new Object() {
        @Override
        public String toString() {

    }

    /**
     * Returns the signing key for SMB signing.
     *
     * @param challenge the server challenge bytes
     * @return the signing key
     * @throws SmbException if an error occurs generating the signing key
     */
    public byte[] getSigningKey(final byte[] challenge) throws SmbException {
        switch (LM_COMPATIBILITY) {
        case 0:
        case 1:
        case 2:

    /**
     * Fields that store timestamps.
     */
    protected static final String[] timestampFields = { LAST_MODIFIED, CREATE_TIME };

    /**
     * Hash function for generating IDs.
     */
    protected static final HashFunction murmur3Hash = Hashing.murmur3_128(0);

    /**
     * FesenClient instance.
     */
    @Resource
    protected volatile FesenClient fesenClient;

Pod’s SELinux context, if specified
  * A stable client library release\_1\_2 is added. The library is [here](pkg/client/clientset_generated/), and detailed doc is [here](docs/devel/generating-clientset.md#released-clientsets). We will keep the interface of this go client stable.
  * New Azure File Service Volume Plugin enables mounting Microsoft Azure File

    could be called with null in some cases.
 *  Fix: Don't create malformed URLs when `MockWebServer` is reached via an IPv6 address.
 *  Fix: Don't crash if the system default authenticator is null.
 *  Fix: Don't crash generating elliptic curve certificates on Android.
 *  Fix: Don't crash doing platform detection on RoboVM.
 *  Fix: Don't leak socket connections when web socket upgrades fail.


## Version 3.11.0

_2018-07-12_

## Kubefed

* Deprecate the `--secret-name` flag from `kubefed join`, instead generating the secret name arbitrarily. ([#42513](https://github.com/kubernetes/kubernetes/pull/42513), [@perotinus](https://github.com/perotinus))


### **Kubernetes API**
#### User Provided Extensions

    * Fixed the webhook admission plugin so that webhook author could use the DNS name of the service as the CommonName when generating the server cert for the webhook.
    * Action required:

The webhook admission plugin now lets the webhook author use the DNS name of the service as the CommonName when generating the server cert for the webhook.
Action required:

- Resolves regression generating informers for packages whose names contain `.` characters ([#82410](https://github.com/kubernetes/kubernetes/pull/82410), [@nikhita](https://github.com/nikhita))

import java.util.Set;
import java.util.SortedSet;
import java.util.stream.Collector;
import java.util.stream.Stream;
import org.jspecify.annotations.Nullable;

/**
 * Provides static methods acting on or generating a {@code Multimap}.
 *
 * <p>See the Guava User Guide article on <a href=
 * "https://github.com/google/guava/wiki/CollectionUtilitiesExplained#multimaps">{@code
 * Multimaps}</a>.
 *
 * @author Jared Levy