// or we can show it graphically as:
    //
    // p1 ---> p0 --> super model
    //
    // ----------------------------------------------------------------------

    @Test
    void testDependencyManagement() throws Exception {
        File localRepo = getLocalRepositoryPath();
        File pom0 = new File(localRepo, "p0/pom.xml");

        File pom0Basedir = pom0.getParentFile();

    @Override
    public void persistResumptionData(MavenProject rootProject, BuildResumptionData buildResumptionData)
            throws BuildResumptionPersistenceException {
        Properties properties = convertToProperties(buildResumptionData);

        Path resumeProperties = Paths.get(rootProject.getBuild().getDirectory(), RESUME_PROPERTIES_FILENAME);

     *
     * @param session the Maven session
     * @param source the source of the project to build
     * @return a new ProjectBuilderRequest
     * @throws NullPointerException if session or source is null
     */
    @Nonnull
    static ProjectBuilderRequest build(@Nonnull Session session, @Nonnull Source source) {
        return builder()

    public PluginDescriptor get(Key cacheKey) {
        return clone(descriptors.get(cacheKey));
    }

    @Override
    public PluginDescriptor get(Key key, PluginDescriptorSupplier supplier)
            throws PluginDescriptorParsingException, PluginResolutionException, InvalidPluginDescriptorException {

        PluginDescriptor desc = descriptors.get(key);
        if (desc == null) {
            synchronized (key) {

    }

    @Override
    public Map<String, List<MojoExecution>> calculateLifecycleMappings(
            MavenSession session, MavenProject project, Lifecycle lifecycle, String lifecyclePhase)
            throws PluginNotFoundException, PluginResolutionException, PluginDescriptorParsingException,
                    MojoNotFoundException, InvalidPluginDescriptorException {
        /*

        message.append(resource.getRepositoryUrl()).append(resource.getResourceName());

        out.info(message.toString());
    }

    @Override
    public void transferCorrupted(TransferEvent event) throws TransferCancelledException {
        TransferResource resource = event.getResource();
        out.warn(
                "{} from {} for {}{}",
                event.getException().getMessage(),

    public int run(
            String[] args,
            @Nullable InputStream stdIn,
            @Nullable OutputStream stdOut,
            @Nullable OutputStream stdErr,
            boolean embedded)
            throws IOException {
        try (Invoker invoker = createInvoker()) {
            return invoker.invoke(createParser()
                    .parseInvocation(createParserRequestBuilder(args)
                            .stdIn(stdIn)

import org.apache.maven.project.MavenProject;
import org.junit.jupiter.api.Test;

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

class ConcurrencyDependencyGraphTest {

    @Test
    void testGraph() throws Exception {

        ProjectBuildList projectBuildList =
                ProjectDependencyGraphStub.getProjectBuildList(ProjectDependencyGraphStub.getMavenSession());

     * Creates a new {@link DependencyCoordinates} object from the request.
     *
     * @param request the request containing the various data
     * @return a new {@link DependencyCoordinates} object
     *
     * @throws IllegalArgumentException if {@code request} is null or
     *         if {@code request.getSession()} is null or invalid
     */
    @Nonnull
    DependencyCoordinates create(@Nonnull DependencyCoordinatesFactoryRequest request);

/**
 * Implementation of {@link UpgradeOptions} (base + mvnup).
 */
public class CommonsCliUpgradeOptions extends CommonsCliOptions implements UpgradeOptions {
    public static CommonsCliUpgradeOptions parse(String[] args) throws ParseException {
        CLIManager cliManager = new CLIManager();
        return new CommonsCliUpgradeOptions(Options.SOURCE_CLI, cliManager, cliManager.parse(args));
    }