return copy(proxy = proxy)
  }

  override fun withProxySelector(proxySelector: ProxySelector): Interceptor.Chain {
    check(exchange == null) { "proxySelector can't be adjusted in a network interceptor" }

    return copy(proxySelector = proxySelector)
  }

  override fun withProxyAuthenticator(proxyAuthenticator: Authenticator): Interceptor.Chain {

    }

    object ProxySelectorOverride : Override<ProxySelector> {
      override fun Interceptor.Chain.value(): ProxySelector = proxySelector

      override fun Interceptor.Chain.withOverride(value: ProxySelector): Interceptor.Chain = withProxySelector(value)

      override fun OkHttpClient.Builder.withOverride(value: ProxySelector): OkHttpClient.Builder = proxySelector(value)

      override val nonDefaultValue: ProxySelector =

        .Builder()
        .proxySelector(FakeProxySelector())
        .build()
    assertThat(client.proxy).isNull()
    assertThat(client.proxySelector)
      .isInstanceOf(FakeProxySelector::class.java)
  }

  @Test fun sharesRouteDatabase() {
    val client =
      OkHttpClient
        .Builder()
        .build()
    val proxySelector: ProxySelector =
      object : ProxySelector() {

  @Test
  fun proxyMoveTest(cleanClose: Boolean = true) {
    // Define a single Proxy at myproxy:8008 that will artificially move during the test
    val proxySelector = RecordingProxySelector()
    val socketAddress = InetSocketAddress.createUnresolved("myproxy", 8008)
    proxySelector.proxies.add(Proxy(Proxy.Type.HTTP, socketAddress))

    // Define two host names for the DNS routing of fake proxy servers

    val proxyAuthenticator: Authenticator = address.proxyAuthenticator()
    val protocols: List<Protocol> = address.protocols()
    val connectionSpecs: List<ConnectionSpec> = address.connectionSpecs()
    val proxySelector: ProxySelector = address.proxySelector()
    val proxy: Proxy? = address.proxy()
    val sslSocketFactory: SSLSocketFactory? = address.sslSocketFactory()
    val hostnameVerifier: HostnameVerifier? = address.hostnameVerifier()

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

Kotlin does have properties and we take advantage of them in OkHttp.

 * **Address**: certificatePinner, connectionSpecs, dns, hostnameVerifier, protocols, proxy,
   proxyAuthenticator, proxySelector, socketFactory, sslSocketFactory, url
 * **Cache**: directory
 * **CacheControl**: immutable, maxAgeSeconds, maxStaleSeconds, minFreshSeconds, mustRevalidate,
   noCache, noStore, noTransform, onlyIfCached, sMaxAgeSeconds

      success = true
      return ConnectResult(plan = this)
    } catch (e: IOException) {
      // If we used the ProxySelector, and got a IOException during connect, report the failure.
      if (route.address.proxy == null && route.proxy.type() != Proxy.Type.DIRECT) {
        route.address.proxySelector.connectFailed(
          route.address.url.toUri(),
          route.proxy.address(),
          e,
        )
      }

import org.eclipse.aether.RepositorySystemSession;
import org.eclipse.aether.repository.AuthenticationContext;
import org.eclipse.aether.repository.AuthenticationSelector;
import org.eclipse.aether.repository.ProxySelector;
import org.eclipse.aether.repository.RemoteRepository;

/**
 * @since 3.2.3
 */
@Named("default")
@Singleton
public class MavenRepositorySystem {

    certain bad routes indefinitely; now we only track the ones that could be necessary.
 *  Fix: Defer proxy selection until a proxy is required. This saves calls to `ProxySelector` on
    calls that use a pooled connection.


## Version 4.3.1

_2020-01-07_

 *  Fix: Don't crash with a `NullPointerException` when a web socket is closed before it connects.