if (interpolatedModel.getParent() != null) {
            StringSearchInterpolator ssi = new StringSearchInterpolator();
            ssi.addValueSource(new MapBasedValueSource(request.getSession().getUserProperties()));
            ssi.addValueSource(new MapBasedValueSource(model.getProperties()));
            ssi.addValueSource(new MapBasedValueSource(request.getSession().getSystemProperties()));
            try {

            if (allProjects != null) {
                Map<String, Map<String, Map<String, MavenProject>>> map = new HashMap<>();
                allProjects.forEach(project -> map.computeIfAbsent(project.getGroupId(), k -> new HashMap<>())
                        .computeIfAbsent(project.getArtifactId(), k -> new HashMap<>())
                        .put(project.getVersion(), project));
                this.allProjects = map;

        try {
            Map<Artifact, Path> paths = new HashMap<>();
            ArtifactManager artifactManager = session.getService(ArtifactManager.class);
            List<RemoteRepository> repositories = session.toRepositories(session.getRemoteRepositories());
            List<ArtifactRequest> requests = new ArrayList<>();
            for (ArtifactCoordinate coord : request.getCoordinates()) {

            // the defined parallism, while making sure the pool will not
            // be exhausted
            //
            return new ThreadPoolExecutor(
                    parallelism, Integer.MAX_VALUE, 0L, TimeUnit.MILLISECONDS, new LinkedBlockingQueue<>()) {
                final AtomicInteger parked = new AtomicInteger();

                @Override
                public <T> List<Future<T>> invokeAll(Collection<? extends Callable<T>> tasks)

                new ExclusionDependencySelector());
    }

    protected DependencyGraphTransformer getDependencyGraphTransformer() {
        return new ChainedDependencyGraphTransformer(
                new ConflictResolver(
                        new ConfigurableVersionSelector(), new ManagedScopeSelector(getScopeManager()),
                        new SimpleOptionalitySelector(), new ManagedScopeDeriver(getScopeManager())),

        RepositoryCache repositoryCache = session != null ? session.getCache() : null;
        if (repositoryCache == null) {
            return new DefaultModelCache(new ConcurrentHashMap<>());
        } else {
            if (anew) {
                cache = new ConcurrentHashMap<>();
                repositoryCache.put(session, KEY, cache);
            } else {
                cache = (ConcurrentHashMap<Object, Supplier<?>>)

        ProfileSelector customSelector = new DefaultProfileSelector() {
            @Override
            public List<Profile> getActiveProfiles(
                    Collection<Profile> profiles, ProfileActivationContext context, ModelProblemCollector problems) {
                return new ArrayList<>();
            }
        };
        DefaultModelBuilder modelBuilder = new DefaultModelBuilder(
                modelProcessor,

        AtomicReference<org.apache.maven.api.model.Dependency> modified = new AtomicReference<>();
        assertNotNull(this.newModelResolver().resolveModel(session, dependency, modified));
        assertEquals("1", modified.get().getVersion());
    }

    private ModelResolver newModelResolver() throws Exception {
        return new DefaultModelResolver();
    }

                .build();
    }

    @Nonnull
    static ModelBuilderRequestBuilder builder() {
        return new ModelBuilderRequestBuilder();
    }

    @Nonnull
    static ModelBuilderRequestBuilder builder(ModelBuilderRequest request) {
        return new ModelBuilderRequestBuilder(request);
    }

    @NotThreadSafe
    class ModelBuilderRequestBuilder {
        Session session;

     *
     * @param localRepository the new local repository
     * @return the derived session
     * @throws NullPointerException if {@code localRepository} is null
     */
    @Nonnull
    Session withLocalRepository(@Nonnull LocalRepository localRepository);

    /**
     * Creates a derived session using the given remote repositories.
     *
     * @param repositories the new list of remote repositories