@Inject
    private PlexusContainer container;

    @Inject
    private LegacySupport legacySupport;

    private final Executor executor;

    public DefaultArtifactResolver() {
        int threads = Integer.getInteger("maven.artifact.threads", 5);
        if (threads <= 1) {
            executor = Runnable::run;
        } else {
            executor = new ThreadPoolExecutor(

                }
                validateStringNotEmpty(problems, "proxies.proxy.host", proxy.getHost(), proxy.getId());

                try {
                    Integer.parseInt(proxy.getPortString());
                } catch (NumberFormatException e) {
                    addViolation(
                            problems,
                            BuilderProblem.Severity.ERROR,

                // https://maven.apache.org/guides/mini/guide-http-settings.html
                Map<String, String> headers = null;
                Integer connectTimeout = null;
                Integer requestTimeout = null;

                PlexusConfiguration httpHeaders = config.getChild("httpHeaders", false);
                if (httpHeaders != null) {

            boolean sourceDominant,
            Map<Object, Object> context) {
        List<String> src = source.getModules();
        if (!src.isEmpty() && sourceDominant) {
            List<Integer> indices = new ArrayList<>();
            List<String> tgt = target.getModules();
            Set<String> excludes = new LinkedHashSet<>(tgt);
            List<String> merged = new ArrayList<>(tgt.size() + src.size());

                information,
                defaultTypeRegistry,
                versionScheme,
                Collections.emptyMap(),
                Collections.emptyMap());

        int connectionTimeout = (Integer) systemSessionFactory
                .newRepositorySession(request)
                .getConfigProperties()
                .get(ConfigurationProperties.CONNECT_TIMEOUT + "." + server.getId());