}
    /*-- END test "groupId/artifactId/version" metadata ---*/

    @Test
    void testRoundtrip() throws Exception {
        Metadata source = new Metadata(org.apache.maven.api.metadata.Metadata.newBuilder(
                        createMetadataFromArtifact(artifact).getDelegate(), true)
                .modelEncoding("UTF-16")
                .build());
        ByteArrayOutputStream baos = new ByteArrayOutputStream();

     */
    private static Settings adaptSettings(MavenExecutionRequest request) {
        File localRepo = request.getLocalRepositoryPath();
        return new Settings(org.apache.maven.api.settings.Settings.newBuilder()
                .localRepository(localRepo != null ? localRepo.getAbsolutePath() : null)
                .interactiveMode(request.isInteractiveMode())
                .offline(request.isOffline())

        if (pluginDescriptorV4 == null) {
            synchronized (this) {
                if (pluginDescriptorV4 == null) {
                    pluginDescriptorV4 = org.apache.maven.api.plugin.descriptor.PluginDescriptor.newBuilder()
                            .namespaceUri(null)
                            .modelEncoding(null)
                            .name(name)
                            .description(description)

 * @param <V> the type of the cache's values, which are not permitted to be null
 * @author Charles Fry
 * @since 10.0
 */
@DoNotMock("Use CacheBuilder.newBuilder().build()")
@GwtCompatible
public interface Cache<K, V> {

  /**
   * Returns the value associated with {@code key} in this cache, or {@code null} if there is no
   * cached value for {@code key}.
   *

  }

  /** Returns a CacheBuilder configured according to this instance's specification. */
  CacheBuilder<Object, Object> toCacheBuilder() {
    CacheBuilder<Object, Object> builder = CacheBuilder.newBuilder();
    if (initialCapacity != null) {
      builder.initialCapacity(initialCapacity);
    }
    if (maximumSize != null) {
      builder.maximumSize(maximumSize);
    }
    if (maximumWeight != null) {

  }

  /** Returns a CacheBuilder configured according to this instance's specification. */
  CacheBuilder<Object, Object> toCacheBuilder() {
    CacheBuilder<Object, Object> builder = CacheBuilder.newBuilder();
    if (initialCapacity != null) {
      builder.initialCapacity(initialCapacity);
    }
    if (maximumSize != null) {
      builder.maximumSize(maximumSize);
    }
    if (maximumWeight != null) {

                    "GCS project ID is blank. Please set the GCS_PROJECT_ID environment variable or projectId parameter.");
        }

        final StorageOptions.Builder builder = StorageOptions.newBuilder().setProjectId(projectId);

        final String endpoint = getInitParameter("endpoint", null, String.class);
        if (StringUtil.isNotBlank(endpoint)) {
            // For fake-gcs-server or custom endpoint

    return new LocalCache<>(builder, loader);
  }

  // TODO(cpovirk): Inline createCacheBuilder()?

  private static CacheBuilder<Object, Object> createCacheBuilder() {
    return CacheBuilder.newBuilder();
  }

  // constructor tests

  public void testDefaults() {
    LocalCache<Object, Object> map = makeLocalCache(createCacheBuilder());

    assertThat(map.keyStrength).isEqualTo(Strength.STRONG);

    @PostConstruct
    public void init() {
        if (logger.isDebugEnabled()) {
            logger.debug("Initializing {}", this.getClass().getSimpleName());
        }
        crawlingConfigCache = CacheBuilder.newBuilder().maximumSize(100).expireAfterWrite(10, TimeUnit.MINUTES).build();
    }

    /**
     * Determines the configuration type from a given config ID.

     * statistics objects with the configured size and expiration settings.
     */
    @PostConstruct
    public void init() {
        statsLogger = LogManager.getLogger(loggerName);
        statsCache = CacheBuilder.newBuilder()
                .maximumSize(maxCacheSize)
                .expireAfterWrite(cacheExpireAfterWrite, TimeUnit.MILLISECONDS)
                .build(new CacheLoader<String, StatsObject>() {
                    @Override