import org.apache.maven.artifact.Artifact;
import org.apache.maven.artifact.repository.ArtifactRepository;
import org.apache.maven.execution.MavenSession;
import org.apache.maven.session.scope.internal.SessionScope;
import org.junit.jupiter.api.Test;

import static org.codehaus.plexus.testing.PlexusExtension.getBasedir;
import static org.junit.jupiter.api.Assertions.assertEquals;

        DefaultRepositorySystemSession rsession = new DefaultRepositorySystemSession(h -> false);

        LocalRepository localRepo = new LocalRepository("target/local-repo");
        rsession.setLocalRepositoryManager(system.newLocalRepositoryManager(rsession, localRepo));

        rsession.setTransferListener(Mockito.mock(TransferListener.class));
        rsession.setRepositoryListener(Mockito.mock(RepositoryListener.class));

        DefaultRepositorySystemSession rsession = new DefaultRepositorySystemSession(h -> false);
        rsession.setSystemProperties(properties);
        rsession.setConfigProperties(properties);

        DefaultSession session = new DefaultSession(
                rsession,
                system,
                List.of(lookup.lookup(RepositoryFactory.class)

    @Nonnull
    static ModelBuilderRequest build(@Nonnull Session session, @Nonnull ModelSource source) {
        return builder()
                .session(nonNull(session, "session cannot be null"))
                .source(nonNull(source, "source cannot be null"))
                .build();
    }

    @Nonnull
    static ModelBuilderRequest build(@Nonnull Session session, @Nonnull Path path) {
        return builder()

        String path = getManager(s, local).getPathForLocalArtifact(s.toArtifact(artifact));
        return local.getPath().resolve(path);
    }

    @Override
    public Path getPathForRemoteArtifact(
            Session session, LocalRepository local, RemoteRepository remote, Artifact artifact) {
        InternalSession s = InternalSession.from(session);
        String path =

        session.setDependencyTraverser(getDependencyTraverser());
        session.setDependencyManager(getDependencyManager());
        session.setDependencySelector(getDependencySelector());
        session.setDependencyGraphTransformer(getDependencyGraphTransformer());
        session.setArtifactTypeRegistry(getArtifactTypeRegistry());

        request.systemProperties(session.getSystemProperties());
        request.userProperties(session.getUserProperties());
        request.modelCache(DefaultModelCache.newInstance(session, false));
        if (session.getCache() != null) {
            Map<?, ?> map = (Map) session.getCache().get(session, DefaultModelCache.class.getName());
            List<String> paths = map.keySet().stream()

     *            null}.
     * @param session The repository session to use for resolving the plugin's main artifact, must not be {@code null}.
     * @return The resolved plugin artifact, never {@code null}.
     * @throws PluginResolutionException If the plugin artifact could not be resolved.
     */
    Artifact resolve(Plugin plugin, List<RemoteRepository> repositories, RepositorySystemSession session)
            throws PluginResolutionException;

            /* TODO: bv4
            InternalMavenSession session =
                    (InternalMavenSession) this.session.getData().get(InternalMavenSession.class);
            if (session != null) {
                try {
                    modelBuildingRequest.setRootDirectory(session.getRootDirectory());
                } catch (IllegalStateException e) {

    @SuppressWarnings("unchecked")
    public static ModelCache newInstance(RepositorySystemSession session, boolean anew) {
        ConcurrentHashMap<Object, Supplier<?>> cache;
        RepositoryCache repositoryCache = session != null ? session.getCache() : null;
        if (repositoryCache == null) {
            return new DefaultModelCache(new ConcurrentHashMap<>());
        } else {