public static final String LABELS_menu_key_match = "{labels.menu_key_match}";

    /** The key of the message: Doc Boost */
    public static final String LABELS_menu_boost_document_rule = "{labels.menu_boost_document_rule}";

    /** The key of the message: Path Mapping */
    public static final String LABELS_menu_path_mapping = "{labels.menu_path_mapping}";

    return map.getEntry(key);
  }

  /**
   * Forces the segment containing the given {@code key} to expand (see {@link Segment#expand()}).
   */
  static <K, V> void forceExpandSegment(Cache<K, V> cache, K key) {
    checkNotNull(cache);
    checkNotNull(key);
    LocalCache<K, V> map = toLocalCache(cache);
    int hash = map.hash(key);
    Segment<K, V> segment = map.segmentFor(hash);

   * Multimap#asMap()} will iterate through the keys in the order that they were first added to the
   * multimap, save that if all values associated with a key are removed and then the key is added
   * back into the multimap, that key will come last in the key iteration order.
   */
  public static MultimapBuilderWithKeys<@Nullable Object> linkedHashKeys() {
    return linkedHashKeys(DEFAULT_EXPECTED_KEYS);
  }

  /**

    }

    @Override
    public boolean equals(Object o) {
        return o instanceof Artifact && Objects.equals(key(), ((Artifact) o).key());
    }

    @Override
    public int hashCode() {
        return key.hashCode();
    }

    @Override
    public String toString() {
        return dependency.toString();
    }

                    Object key = getDependencyKey().apply(dependency);
                    dependencies.put(key, dependency);
                }

                boolean modified = false;
                for (Dependency managedDependency : dependencyManagement.getDependencies()) {
                    Object key = getDependencyKey().apply(managedDependency);

        }
    }

    Key createKey(
            Plugin plugin,
            DependencyFilter extensionFilter,
            List<RemoteRepository> repositories,
            RepositorySystemSession session);

    CacheRecord get(Key key) throws PluginResolutionException;

    CacheRecord put(Key key, List<Artifact> pluginArtifacts);

    CacheRecord put(Key key, PluginResolutionException e);

    void flush();

  @CheckForNull
  public V forcePut(K key, @ParametricNullness V value) {
    return super.forcePut(key, value);
  }

  /** Returns the associated key type. */
  @GwtIncompatible
  public Class<K> keyType() {
    return keyTypeOrObjectUnderJ2cl;
  }

  /**
   * @serialData the key class, number of entries, first key, first value, second key, second value,
   *     and so on.
   */

    @Override
    @CheckForNull
    public Collection<V> get(@CheckForNull Object key) {
      return containsKey(key) ? multimap.get((K) key) : null;
    }

    @Override
    @CheckForNull
    public Collection<V> remove(@CheckForNull Object key) {
      return containsKey(key) ? multimap.removeAll(key) : null;
    }

    @Override
    public Set<K> keySet() {

            return exception;
        }
    }

    Key createKey(
            MavenProject project,
            Collection<String> scopesToCollect,
            Collection<String> scopesToResolve,
            boolean aggregating,
            RepositorySystemSession session);

    CacheRecord get(Key key) throws LifecycleExecutionException;

    CacheRecord put(Key key, Set<Artifact> pluginArtifacts);

```Python
old_dict = {
    "old key": "old value",
    "second old key": "second old value",
}
new_dict = {**old_dict, "new key": "new value"}
```

Here, `new_dict` will contain all the key-value pairs from `old_dict` plus the new key-value pair:

```Python
{
    "old key": "old value",
    "second old key": "second old value",
    "new key": "new value",
}
```