Objects.requireNonNull(proxy, "proxy cannot be null");

        for (Proxy p : getProxies()) {
            if (p.getId() != null && p.getId().equals(proxy.getId())) {
                return this;
            }
        }

        getProxies().add(proxy);

        return this;
    }

    @Override
    public List<Server> getServers() {

        if (session != null) {
            request.setServers(session.getRequest().getServers());
            request.setMirrors(session.getRequest().getMirrors());
            request.setProxies(session.getRequest().getProxies());
        }
    }

    @Override
    public void resolve(
            Artifact artifact,
            List<ArtifactRepository> remoteRepositories,

        //      <password>somepassword</password>
        //      <nonProxyHosts>www.google.com|*.somewhere.com</nonProxyHosts>
        //    </proxy>
        //  </proxies>

        for (Proxy proxy : settings.getProxies()) {
            if (!proxy.isActive()) {
                continue;
            }

            request.addProxy(proxy);
        }

        // <mirrors>
        //   <mirror>

            request.setServers(session.getRequest().getServers());
            request.setMirrors(session.getRequest().getMirrors());
            request.setProxies(session.getRequest().getProxies());
        }
    }

    @Override
    @SuppressWarnings("checkstyle:parameternumber")
    public ArtifactResolutionResult collect(
            Set<Artifact> artifacts,

                validateRepositories(
                        problems, profile.getPluginRepositories(), prefix + "pluginRepositories.pluginRepository");
            }
        }

        List<Proxy> proxies = settings.getProxies();

        if (proxies != null) {
            Set<String> proxyIds = new HashSet<>();

            for (Proxy proxy : proxies) {
                if (!proxyIds.add(proxy.getId())) {

     * @return requested (de-)activation(s) of profile(s) in this execution. Never {@code null}.
     */
    ProfileActivation getProfileActivation();

    // Proxies
    List<Proxy> getProxies();

    MavenExecutionRequest setProxies(List<Proxy> proxies);

    MavenExecutionRequest addProxy(Proxy proxy);

    // Servers
    List<Server> getServers();

    MavenExecutionRequest setServers(List<Server> servers);

        }
        sessionBuilder.setMirrorSelector(mirrorSelector);

        DefaultProxySelector proxySelector = new DefaultProxySelector();
        for (Proxy proxy : request.getProxies()) {
            AuthenticationBuilder authBuilder = new AuthenticationBuilder();
            authBuilder.addUsername(proxy.getUsername()).addPassword(proxy.getPassword());
            proxySelector.add(

                .localRepository(localRepo != null ? localRepo.getAbsolutePath() : null)
                .interactiveMode(request.isInteractiveMode())
                .offline(request.isOffline())
                .proxies(request.getProxies().stream().map(Proxy::getDelegate).collect(Collectors.toList()))
                .servers(request.getServers().stream().map(Server::getDelegate).collect(Collectors.toList()))

    }

    /**
     * @return the first active proxy
     */
    public synchronized Proxy getActiveProxy() {
        if (activeProxy == null) {
            java.util.List<Proxy> proxies = getProxies();
            if (proxies != null && !proxies.isEmpty()) {
                for (Proxy proxy : proxies) {
                    if (proxy.isActive()) {
                        activeProxy = proxy;

        //      <password>somepassword</password>
        //      <nonProxyHosts>www.google.com|*.somewhere.com</nonProxyHosts>
        //    </proxy>
        //  </proxies>

        for (Proxy proxy : settings.getProxies()) {
            if (!proxy.isActive()) {
                continue;
            }
            request.addProxy(new org.apache.maven.settings.Proxy(proxy));
        }

        // <mirrors>