metadataRequest.setTrace(trace);
            metadataRequests.add(metadataRequest);
        }

        List<MetadataResult> metadataResults = metadataResolver.resolveMetadata(session, metadataRequests);

        WorkspaceReader workspace = session.getWorkspaceReader();
        if (workspace != null) {
            List<String> versions = workspace.findVersions(request.getArtifact());
            for (String version : versions) {

        DefaultRepositorySystemSession session = new DefaultRepositorySystemSession(h -> false);
        session.setScopeManager(new ScopeManagerImpl(Maven4ScopeManagerConfiguration.INSTANCE));
        session.setArtifactDescriptorPolicy(new SimpleArtifactDescriptorPolicy(true, true));
        DependencyTraverser depTraverser = new FatArtifactTraverser();
        session.setDependencyTraverser(depTraverser);

                    project, scopesToCollect, scopesToResolve, session, aggregating, projectArtifacts);

            Map<Artifact, File> reactorProjects =
                    new HashMap<>(session.getProjects().size());
            for (MavenProject reactorProject : session.getProjects()) {
                reactorProjects.put(
                        reactorProject.getArtifact(),

            infoLine('-');
        }
    }

    private boolean isSingleVersionedReactor(MavenSession session) {
        boolean result = true;

        MavenProject topProject = session.getTopLevelProject();
        List<MavenProject> sortedProjects = session.getProjectDependencyGraph().getSortedProjects();
        for (MavenProject mavenProject : sortedProjects) {

            repositories = remoteRepositoryManager.aggregateRepositories(session, repositories, newRepositories, true);
        } else {
            pomRepositories =
                    remoteRepositoryManager.aggregateRepositories(session, pomRepositories, newRepositories, true);
            repositories = remoteRepositoryManager.aggregateRepositories(
                    session, pomRepositories, externalRepositories, false);
        }
    }

    /** The Plexus component type */
    public static final String MAVEN_PLUGIN = "maven-plugin";

    /** "once-per-session" execution strategy */
    public static final String SINGLE_PASS_EXEC_STRATEGY = "once-per-session";

    /** "always" execution strategy */
    public static final String MULTI_PASS_EXEC_STRATEGY = "always";

        // TODO Auto-generated method stub

    }

    public void injectMirror(RepositorySystemSession session, List<ArtifactRepository> repositories) {}

    public void injectProxy(RepositorySystemSession session, List<ArtifactRepository> repositories) {}

    public void injectAuthentication(RepositorySystemSession session, List<ArtifactRepository> repositories) {}

                    "-DvalFound=s${foo}i",
                    "-DvalNotFound=s${foz}i",
                    "-DvalRootDirectory=${session.rootDirectory}/.mvn/foo",
                    "-DvalTopDirectory=${session.topDirectory}/pom.xml",
                    "-f",
                    "${session.rootDirectory}/my-child",
                    "prefix:3.0.0:${foo}",
                    "validate"
                },

import static java.util.Collections.singleton;
import static org.apache.maven.internal.impl.Lifecycles.phase;
import static org.apache.maven.internal.impl.Lifecycles.plugin;

/**
 * TODO: this is session scoped as SPI can contribute.
 */
@Named
@Singleton
public class DefaultLifecycleRegistry implements LifecycleRegistry {

    private final List<LifecycleProvider> providers;

    }

    private Project project(Artifact artifact) {
        return session.getService(ProjectBuilder.class)
                .build(ProjectBuilderRequest.builder()
                        .session(session)
                        .path(session.getPathForLocalArtifact(artifact))
                        .processPlugins(false)
                        .build())