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 {}

     * <p>
     * This method will record extra information as well, like plugin occurrence or declaration location.
     */
    void reportPluginValidationIssue(
            IssueLocality locality, MavenSession mavenSession, MojoDescriptor mojoDescriptor, String issue);

    /**
     * Reports plugin Mojo issues applicable to the Mojo itself.
     * <p>

        return null;
    }

    private String getError(File touchFile, String key) {
        Properties props = read(touchFile);
        if (props != null) {
            return props.getProperty(key + ERROR_KEY_SUFFIX);
        }
        return null;
    }

    private Properties read(File touchfile) {
        if (!touchfile.canRead()) {

            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;

        }

        CacheRecord record = new CacheRecord(extensionRealm, extensionDescriptor, artifacts);

        cache.put(key, record);

        return record;
    }

    public void flush() {
        for (CacheRecord record : cache.values()) {
            ClassRealm realm = record.getRealm();
            try {

    /**
     * Registers the specified cache record for usage with the given project. Integrators can use the information
     * collected from this method in combination with a custom cache implementation to dispose unused records from the
     * cache.
     *
     * @param project The project that employs the plugin realm, must not be {@code null}.
     * @param record The cache record being used for the project, must not be {@code null}.
     */

    /**
     * Registers the specified cache record for usage with the given project. Integrators can use the information
     * collected from this method in combination with a custom cache implementation to dispose unused records from the
     * cache.
     *
     * @param project The project that employs the plugin realm, must not be {@code null}.
     * @param record The cache record being used for the project, must not be {@code null}.
     */

                extensionArtifactFilter = new ExclusionsDependencyFilter(exclusions);
            }

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

        projectRealmCache.register(project, projectRealmKey, record);

        return record;
    }

    public void selectProjectRealm(MavenProject project) {

import static org.junit.jupiter.api.Assertions.fail;

class DefaultMavenProjectBuilderTest extends AbstractMavenProjectTestCase {
    @TempDir
    File localRepoDir;

    // only use by reread()
    @TempDir
    Path projectRoot;

    @Override
    @BeforeEach
    public void setUp() throws Exception {
        projectBuilder = getContainer().lookup(ProjectBuilder.class);
    }