* Maven core itself or a Maven core extension.
 *
 * @since 3.3.0
 */
public class CoreExtensionEntry {
    private final ClassRealm realm;

    private final Set<String> artifacts;

    private final Set<String> packages;

    private final String key;

    private final XmlNode configuration;

    public CoreExtensionEntry(
            ClassRealm realm,
            Collection<String> artifacts,

        ClassRealm coreRealm = classWorld.getClassRealm("plexus.core");
        List<Path> extClassPath = parseExtClasspath(context);
        CoreExtensionEntry coreEntry = CoreExtensionEntry.discoverFrom(coreRealm);
        List<CoreExtensionEntry> extensions = loadCoreExtensions(context, coreRealm, coreEntry.getExportedArtifacts());
        ClassRealm containerRealm =

public class ExtensionConfigurationModule implements Module {

    private final CoreExtensionEntry extension;
    private final Function<String, String> callback;
    private final DefaultInterpolator interpolator = new DefaultInterpolator();

    public ExtensionConfigurationModule(CoreExtensionEntry extension, Function<String, String> callback) {
        this.extension = extension;
        this.callback = callback;

        }
    }

    private List<CoreExtensionEntry> resolveCoreExtensions(
            RepositorySystemSession repoSession,
            List<RemoteRepository> repositories,
            Set<String> providedArtifacts,
            List<CoreExtension> configuration,
            Function<String, String> interpolator)
            throws Exception {
        List<CoreExtensionEntry> extensions = new ArrayList<>();

@Singleton
public class CoreExportsProvider implements Provider<CoreExports> {

    private final CoreExports exports;

    @Inject
    public CoreExportsProvider(CoreRealm coreRealm) {
        this(new CoreExports(CoreExtensionEntry.discoverFrom(coreRealm.getRealm())));
    }

    public CoreExportsProvider(CoreExports exports) {
        this.exports = Objects.requireNonNull(exports);
    }

    public CoreExports get() {

            coreRealm = cliRequest.classWorld.getRealms().iterator().next();
        }

        List<File> extClassPath = parseExtClasspath(cliRequest);

        CoreExtensionEntry coreEntry = CoreExtensionEntry.discoverFrom(coreRealm);
        List<CoreExtensionEntry> extensions =
                loadCoreExtensions(cliRequest, coreRealm, coreEntry.getExportedArtifacts());

 *
 * @since 3.3.0
 */
public class CoreExports {
    private final Set<String> artifacts;

    private final Map<String, ClassLoader> packages;

    public CoreExports(CoreExtensionEntry entry) {
        this(entry.getClassRealm(), entry.getExportedArtifacts(), entry.getExportedPackages());
    }

    public CoreExports(ClassRealm realm, Set<String> exportedArtifacts, Set<String> exportedPackages) {