private List<Server> servers;

    private List<Proxy> proxies;

    private List<SettingsProblem> problems;

    DefaultSettingsDecryptionResult(List<Server> servers, List<Proxy> proxies, List<SettingsProblem> problems) {
        this.servers = (servers != null) ? servers : new ArrayList<>();
        this.proxies = (proxies != null) ? proxies : new ArrayList<>();

    SettingsDecryptionRequest setServers(List<Server> servers);

    /**
     * Gets the proxies whose passwords should be decrypted.
     *
     * @return The proxies to decrypt, never {@code null}.
     */
    List<Proxy> getProxies();

    /**
     * Sets the proxies whose passwords should be decrypted.
     *
     * @param proxies The proxies to decrypt, may be {@code null}.
     * @return This request, never {@code null}.
     */

        return mirrors;
    }

    public ArtifactResolutionRequest setProxies(List<Proxy> proxies) {
        this.proxies = proxies;

        return this;
    }

    public List<Proxy> getProxies() {
        if (proxies == null) {
            proxies = new ArrayList<>();
        }

        return proxies;
    }

    //

    }

    call.eventListener.proxySelectStart(call, url)
    proxies = selectProxies()
    nextProxyIndex = 0
    call.eventListener.proxySelectEnd(call, url, proxies)
  }

  /** Returns true if there's another proxy to try. */
  private fun hasNextProxy(): Boolean = nextProxyIndex < proxies.size

  /** Returns the next proxy to try. May be PROXY.NO_PROXY but never null. */

    public List<Proxy> getProxies() {
        if (proxies == null) {
            proxies = new ArrayList<>();
        }
        return proxies;
    }

    @Override
    public MavenExecutionRequest setProxies(List<Proxy> proxies) {
        if (proxies != null) {
            this.proxies = new ArrayList<>(proxies);
        } else {
            this.proxies = null;
        }

        return this;
    }

                            -1,
                            -1,
                            e));
                }
            }

            proxies.add(proxy);
        }

        return new DefaultSettingsDecryptionResult(servers, proxies, problems);
    }

import java.net.URI
import okhttp3.internal.format

class RecordingProxySelector : ProxySelector() {
  @JvmField val proxies = mutableListOf<Proxy>()

  val requestedUris = mutableListOf<URI>()
  val failures = mutableListOf<String>()

  override fun select(uri: URI): List<Proxy> {
    requestedUris.add(uri)
    return proxies
  }

  fun assertRequests(vararg expectedUris: URI?) {

            }
        }

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

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

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

    -->
  </pluginGroups>

  <!-- TODO Since when can proxies be selected as depicted? -->
  <!-- proxies
   | This is a list of proxies which can be used on this machine to connect to the network.
   | Unless otherwise specified (by system property or command-line switch), the first proxy
   | specification in this list marked as active will be used.
   |-->
  <proxies>
    <!-- proxy

            MavenExecutionRequest request = session.getRequest();

            if (request != null) {
                List<Proxy> proxies = request.getProxies();

                if (proxies != null) {
                    for (Proxy proxy : proxies) {
                        if (proxy.isActive() && protocol.equalsIgnoreCase(proxy.getProtocol())) {
                            SettingsDecryptionResult result =