assertTrue(paths.containsAll(classes));
        assertEquals("plexus-1.0.11.pom", unresolved.get(0).getFileName().toString());
    }

    @Test
    void testMetadataGeneratorFactory() throws ComponentLookupException {
        List<MetadataGeneratorFactory> factories = plexusContainer.lookupList(MetadataGeneratorFactory.class);
        assertNotNull(factories);

            // not used
        }

        @Override
        public void storeInLocalRepository(ArtifactRepository localRepository, ArtifactRepository remoteRepository)
                throws RepositoryMetadataStoreException {
            // not used
        }

        @Override
        public String extendedToString() {
            return metadata.toString();
        }
    }

 */
@PlexusTest
public class RepositoryLeakageTest extends AbstractMavenProjectTestCase {

    @Test
    @SuppressWarnings("checkstyle:MethodLength")
    public void testRepositoryLeakageBetweenSiblings() throws Exception {
        // Create a temporary directory structure for our test
        Path tempDir = Files.createTempDirectory("maven-repo-leakage-test");

        try {
            // Create parent POM

    }

    @SuppressWarnings("checkstyle:methodlength")
    @Override
    public VersionResult resolveVersion(RepositorySystemSession session, VersionRequest request)
            throws VersionResolutionException {
        RequestTrace trace = RequestTrace.newChild(request.getTrace(), request);

        Artifact artifact = request.getArtifact();

        String version = artifact.getVersion();

                        .setDescription("Use -it,--install-toolchains instead.")
                        .get())
                .build());
    }

    public CommandLine parse(String[] args) throws ParseException {
        // We need to eat any quotes surrounding arguments...
        String[] cleanArgs = CleanArgument.cleanArgs(args);

        DefaultParser parser = DefaultParser.builder()

    }

    /**
     * Executes the upgrade goal.
     * Template method that calls doUpgrade and optionally saves modifications.
     */
    @Override
    public int execute(UpgradeContext context) throws Exception {
        UpgradeOptions options = context.options();

        // Determine target model version
        // Default to 4.0.0 unless --all is specified or explicit --model-version is provided

     * directory or a {@code pom.xml} file with the {@code root="true"} attribute.
     * If there's no such directory, an {@code IllegalStateException} will be thrown.
     *
     * @throws IllegalStateException if the root directory could not be found
     * @see #getTopDirectory()
     * @since 4.0.0
     */
    Path getRootDirectory();

    /**
     * @since 3.3.0
     */

     * This allows Maven 4 API to properly resolve the project hierarchy.
     */
    private Path createTempProjectStructure(UpgradeContext context, Map<Path, Document> pomMap) throws Exception {
        Path tempDir = Files.createTempDirectory("mvnup-project-");
        context.debug("Created temp project directory: " + tempDir);

                result.lookup = shellContext.lookup;
                result.eventSpyDispatcher = shellContext.eventSpyDispatcher;
            };
        }

        @Override
        public void close() throws Exception {
            shellMavenInvoker.close();
            shellEncryptInvoker.close();
            shellUpgradeInvoker.close();
        }

        @Override

            ArtifactMetadataSource source,
            ArtifactFilter filter,
            List<ResolutionListener> listeners,
            List<ConflictResolver> conflictResolvers)
            throws ArtifactResolutionException {
        fireEvent(ResolutionListener.TEST_ARTIFACT, listeners, node);

        Object key = node.getKey();

        // TODO Does this check need to happen here? Had to add the same call