public List<ArtifactRepository> getRepositories() {
        if (repositories == null) {
            return Collections.emptyList();
        }

        return Collections.unmodifiableList(repositories);
    }

    public ArtifactResolutionResult setRepositories(final List<ArtifactRepository> repositories) {
        this.repositories = repositories;

            try {
                ArtifactRequest artifactRequest = new ArtifactRequest();
                artifactRequest.setArtifact(RepositoryUtils.toArtifact(artifact));
                artifactRequest.setRepositories(RepositoryUtils.toRepos(remoteRepositories));

                // Maven 2.x quirk: an artifact always points at the local repo, regardless whether resolved or not

     * User properties
     */
    @Nonnull
    Map<String, String> getUserProperties();

    @Nonnull
    RepositoryMerging getRepositoryMerging();

    @Nullable
    List<RemoteRepository> getRepositories();

    @Nullable
    ModelTransformer getLifecycleBindingsInjector();

    @Nonnull
    static ModelBuilderRequest build(@Nonnull ModelBuilderRequest request, @Nonnull ModelSource source) {

     *
     * @return the list of remote repositories, or null if not specified
     */
    @Nullable
    List<RemoteRepository> getRepositories();

    /**
     * Creates a new ProjectBuilderRequest with the specified session and source.
     *
     * @param session the Maven session
     * @param source the source of the project to build

     *
     * @return a filter for the types of path (class-path, module-path, …) accepted by the tool
     */
    @Nullable
    Predicate<PathType> getPathTypeFilter();

    @Nullable
    List<RemoteRepository> getRepositories();

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

    @Nonnull

    @Override
    public void setUp() throws Exception {
        super.setUp();
        pluginHelper = new PluginHelper() {
            @Override
            protected String[] getRepositories() {
                return new String[] { "plugin/repo1/", "plugin/repo2/" };
            }

            @Override
            protected String getRepositoryContent(String url) {

                @Override
                public Artifact[] load(final ArtifactType key) {
                    final List<Artifact> list = new ArrayList<>();
                    for (final String url : getRepositories()) {
                        if (url.endsWith(".yaml")) {
                            if (key == ArtifactType.UNKNOWN) {
                                list.addAll(loadArtifactsFromRepository(url));

        List<ArtifactRepository> pomRepositories = new ArrayList<>();
        for (Repository modelRepository : model.getRepositories()) {
            try {
                pomRepositories.add(MavenRepositorySystem.buildArtifactRepository(modelRepository));
            } catch (InvalidRepositoryException e) {
                // cannot use this then