return repositories == null ? null : map(repositories, this::toArtifactRepository);
    }

    @Nonnull
    @Override
    public Settings getSettings() {
        return getMavenSession().getSettings().getDelegate();
    }

    @Nonnull
    @Override
    public Map<String, String> getUserProperties() {

                .session(session)
                .userSettingsSource(Source.fromPath(getSettings("settings-simple")))
                .build();

        SettingsBuilderResult result = builder.build(request);
        assertNotNull(result);
        assertNotNull(result.getEffectiveSettings());
    }

    private Path getSettings(String name) {
        return Paths.get("src/test/resources/" + name + ".xml").toAbsolutePath();
    }

    }

    @Deprecated
    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