public static Mirror getMirror(ArtifactRepository repository, List<Mirror> mirrors) {
        String repoId = repository.getId();

        if (repoId != null && mirrors != null) {
            for (Mirror mirror : mirrors) {
                if (repoId.equals(mirror.getMirrorOf()) && matchesLayout(repository, mirror)) {
                    return mirror;
                }
            }

    }

    @Override
    public List<Mirror> getMirrors() {
        if (mirrors == null) {
            mirrors = new ArrayList<>();
        }
        return mirrors;
    }

    @Override
    public MavenExecutionRequest setMirrors(List<Mirror> mirrors) {
        if (mirrors != null) {
            this.mirrors = new ArrayList<>(mirrors);
        } else {
            this.mirrors = null;

        return servers;
    }

    public ArtifactResolutionRequest setMirrors(List<Mirror> mirrors) {
        this.mirrors = mirrors;

        return this;
    }

    public List<Mirror> getMirrors() {
        if (mirrors == null) {
            mirrors = new ArrayList<>();
        }

        return mirrors;
    }

    public ArtifactResolutionRequest setProxies(List<Proxy> proxies) {

    MavenExecutionRequest setServers(List<Server> servers);

    MavenExecutionRequest addServer(Server server);

    // Mirrors
    List<Mirror> getMirrors();

    MavenExecutionRequest setMirrors(List<Mirror> mirrors);

    MavenExecutionRequest addMirror(Mirror mirror);

    // Plugin groups
    List<String> getPluginGroups();

    MavenExecutionRequest setPluginGroups(List<String> pluginGroups);

    }

    @Override
    public Mirror getMirror(ArtifactRepository repository, List<Mirror> mirrors) {
        return null;
    }

    @Override
    public void injectAuthentication(List<ArtifactRepository> repositories, List<Server> servers) {}

    @Override
    public void injectMirror(List<ArtifactRepository> repositories, List<Mirror> mirrors) {}

    @Override

     */
    Proxy getProxy();

    /**
     * @since 3.0.3
     * @return the repositories mirrored by the actual one
     */
    List<ArtifactRepository> getMirroredRepositories();

    /**
     * @since 3.0.3
     * @param mirroredRepositories the repositories that the actual one mirrors
     */
    void setMirroredRepositories(List<ArtifactRepository> mirroredRepositories);

        }

        // <mirrors>
        //   <mirror>
        //     <id>nexus</id>
        //     <mirrorOf>*</mirrorOf>
        //     <url>http://repository.sonatype.org/content/groups/public</url>
        //   </mirror>
        // </mirrors>

        for (Mirror mirror : settings.getMirrors()) {
            request.addMirror(new org.apache.maven.settings.Mirror(mirror));
        }

    @Deprecated
    @Override
    public ArtifactRepository getMirrorRepository(ArtifactRepository repository) {

        Mirror mirror = mirrorSelector.getMirror(
                repository, legacySupport.getSession().getSettings().getMirrors());

        if (mirror != null) {
            String id = mirror.getId();
            if (id == null) {
                // TODO this should be illegal in settings.xml

     *
     * @param pomRepositories The POM repositories to create the artifact repositories from, must not be {@code null}.
     * @param externalRepositories The external (and already mirrored) repositories to merge into the result list, may
     *            be {@code null}.
     * @param request The project building request holding further settings like repository settings, must not be
     *            {@code null}.

                .servers(request.getServers().stream().map(Server::getDelegate).collect(Collectors.toList()))
                .mirrors(request.getMirrors().stream().map(Mirror::getDelegate).collect(Collectors.toList()))
                .profiles(request.getProfiles().stream()
                        .map(Profile::getDelegate)