import org.apache.maven.api.services.ModelProblemCollector;
import org.apache.maven.api.services.model.ModelBuildingEvent;

/**
 * Holds data relevant for a model building event.
 */
record DefaultModelBuildingEvent(
        Model model, Consumer<Model> update, ModelBuilderRequest request, ModelProblemCollector problems)

        }

        CacheRecord record = new CacheRecord(artifacts);
        cache.put(key, record);
        return record;
    }

    @Override
    public CacheRecord put(Key key, LifecycleExecutionException exception) {
        Objects.requireNonNull(exception, "exception cannot be null");
        assertUniqueKey(key);
        CacheRecord record = new CacheRecord(exception);
        cache.put(key, record);

 * processing by providing a means to transport information that cannot be (easily) extracted from the model itself.
 */
record ModelData(ModelSource source, Model model) {

    /**
     * Gets unique identifier of the model
     *
     * @return The effective identifier of the model, never {@code null}.
     */
    public String id() {

            throw new UnresolvableModelException(e.getMessage(), groupId, artifactId, version, e);
        }

        return new ArtifactModelSource(pomArtifact.getFile(), groupId, artifactId, version);
    }

    record Result(ModelSource source, Parent parent, Exception e) {}

    @Override
    public ModelSource resolveModel(final Parent parent, AtomicReference<Parent> modified)
            throws UnresolvableModelException {

        //        defaultSession.getService(RepositoryFactory.class).createRemote()
        //        return defaultSession;
    }

    static class UnsupportedInStandaloneModeException extends MavenException {}

    record DumbPackaging(String id, Type type, Map<String, PluginContainer> plugins) implements Packaging {}

            Object obj = cache.get(session, cacheKey);
            if (obj instanceof Record) {
                Record record = (Record) obj;
                result.setVersion(record.version);
                result.setRepository(
                        getRepository(session, request.getRepositories(), record.repoClass, record.repoId));
                return result;
            }
        }

        Metadata metadata;

     * User property for reverse dependency tree. If enabled, Maven will record ".tracking" directory into local
     * repository with "reverse dependency tree", essentially explaining WHY given artifact is present in local
     * repository.
     * Default: {@code false}, will not record anything.
     *
     * @since 3.9.0
     */
    private static final String MAVEN_REPO_LOCAL_RECORD_REVERSE_TREE = "maven.repo.local.recordReverseTree";

    /**

    public static Mirror getMirror(ArtifactRepository repository, List<Mirror> mirrors) {
        String repoId = repository.getId();

        if (repoId != null && mirrors != null) {
            for (Mirror mirror : mirrors) {
                if (repoId.equals(mirror.getMirrorOf()) && matchesLayout(repository, mirror)) {
                    return mirror;
                }
            }

        String id = base;
        for (int index = 1; existingIds.contains(id); index++) {
            id = base + '-' + index;
        }
        return id;
    }

    private record DefaultPackaging(String id, Type type, Map<String, PluginContainer> plugins) implements Packaging {}

    private static final String ILLEGAL_VERSION_CHARS = ILLEGAL_FS_CHARS;

    private static final String ILLEGAL_REPO_ID_CHARS = ILLEGAL_FS_CHARS;

    private static final String EMPTY = "";

    private record ActivationFrame(String location, Optional<? extends InputLocationTracker> parent) {}

    private static class ActivationWalker extends MavenTransformer {

        private final Deque<ActivationFrame> stk;