final MavenSession rootSession,
            final MavenSession currentSession,
            final MavenProject mavenProject,
            Throwable t,
            final long buildStartTime) {
        // record the error and mark the project as failed
        long buildEndTime = System.currentTimeMillis();
        buildContext.getResult().addException(t);

            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 {}

        if (threads <= 1) {
            executor = Runnable::run;
        } else {
            executor = new ThreadPoolExecutor(
                    threads, threads, 3, TimeUnit.SECONDS, new LinkedBlockingQueue<>(), new DaemonThreadCreator());
        }
    }

    private RepositorySystemSession getSession(ArtifactRepository localRepository) {

                channel.close();
                channel = null;
            } catch (IOException e) {
                getLogger()
                        .debug(
                                "Failed to record lastUpdated information for resolution.\nFile: "
                                        + touchfile.toString() + "; key: " + key,
                                e);
            } finally {

            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;

                extensionArtifactFilter = new ExclusionsDependencyFilter(exclusions);
            }

            record = projectRealmCache.put(projectRealmKey, projectRealm, extensionArtifactFilter);
        }

        projectRealmCache.register(project, projectRealmKey, record);

        return record;
    }

    public void selectProjectRealm(MavenProject project) {

     * 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";

    /**