*
     * @param key the key for which to retrieve the session data, must not be {@code null}
     * @return the session data associated with the key or {@code null} if none
     */
    @Nullable
    <T> T get(@Nonnull Key<T> key);

    /**
     * Retrieve of compute the data associated with the specified key.
     *
     * @param key the key for which to retrieve the session data, must not be {@code null}

    /**
     * Obtain the {@link Type} from the specified {@code id}.
     * If no type is known for {@code id}, the registry will
     * create a custom {@code Type} for it.
     *
     * @param id the id of the type to retrieve
     * @return the type
     */
    @Nonnull
    @Override
    default Type require(@Nonnull String id) {

    }
  }

  public void testBroken() {
    Iterator<Object> broken = new BrokenAbstractSequentialIterator();
    assertTrue(broken.hasNext());
    // We can't retrieve even the known first element:
    try {
      broken.next();
      fail();
    } catch (MyException expected) {
    }
    try {
      broken.next();
      fail();
    } catch (MyException expected) {

        throw new UnsupportedOperationException("Cannot get available versions in this test case");
    }

    public ResolutionGroup retrieve(MetadataResolutionRequest request) throws ArtifactMetadataRetrievalException {
        return retrieve(request.getArtifact(), request.getLocalRepository(), request.getRemoteRepositories());
    }

     * identifier for the super POM.
     *
     * @param modelId The identifier of the model whose active profiles should be retrieved, must not be {@code null}.
     * @return The active profiles of the model or an empty list if the specified model id does
     *         not refer to a known model or has no active profiles.
     */
    @Nonnull

    String name() default "";

    /**
     * alias supported to get parameter value.
     * @return the alias
     */
    @Nonnull
    String alias() default "";

    /**
     * Property to use to retrieve a value. Can come from <code>-D</code> execution, setting properties or pom
     * properties.
     * @return property name
     */
    @Nonnull
    String property() default "";

    /**

@Named("classpath")
@Singleton
@Deprecated
public class SimpleArtifactMetadataSource implements ArtifactMetadataSource {
    public ResolutionGroup retrieve(
            Artifact artifact, ArtifactRepository localRepository, List<ArtifactRepository> remoteRepositories) {
        throw new UnsupportedOperationException("Cannot retrieve metadata in this test case");
    }

    public List<ArtifactVersion> retrieveAvailableVersions(

        throw new UnsupportedOperationException("Cannot get available versions in this test case");
    }

    public ResolutionGroup retrieve(MetadataResolutionRequest request) throws ArtifactMetadataRetrievalException {
        return retrieve(request.getArtifact(), request.getLocalRepository(), request.getRemoteRepositories());
    }

    OkHttpClient client = new OkHttpClient();

    // Create request for remote resource.
    Request request = new Request.Builder()
        .url(ENDPOINT)
        .build();

    // Execute the request and retrieve the response.
    try (Response response = client.newCall(request).execute()) {
      // Deserialize HTTP response to concrete type.
      ResponseBody body = response.body();

    /**
     * Gets the super POM for the specified model version.
     *
     * @param version The model version to retrieve the super POM for (e.g. "4.0.0"), must not be {@code null}.
     * @return The super POM, never {@code null}.
     * @throws SuperPomProviderException if the super POM could not be retrieved
     */
    @Nonnull
    Model getSuperPom(@Nonnull String version);