import java.net.ProxySelector
import java.net.SocketAddress
import java.net.URI

/**
 * A proxy selector that always returns the [Proxy.NO_PROXY].
 */
object NullProxySelector : ProxySelector() {
  override fun select(uri: URI?): List<Proxy> {
    requireNotNull(uri) { "uri must not be null" }
    return listOf(Proxy.NO_PROXY)
  }

  override fun connectFailed(
    uri: URI?,
    sa: SocketAddress?,
    ioe: IOException?,

  }

  @Test
  fun proxySelector() {
    server.enqueue(MockResponse.Builder().body("abc").build())
    val proxySelector: ProxySelector =
      object : ProxySelector() {
        override fun select(uri: URI) = listOf(socksProxy.proxy())

        override fun connectFailed(
          uri: URI,
          socketAddress: SocketAddress,
          e: IOException,
        ) = error("unexpected call")
      }

class FakeProxySelector : ProxySelector() {
  val proxies: MutableList<Proxy> = mutableListOf()

  fun addProxy(proxy: Proxy): FakeProxySelector {
    proxies.add(proxy)
    return this
  }

  override fun select(uri: URI): List<Proxy> {
    // Don't handle 'socket' schemes, which the RI's Socket class may request (for SOCKS).
    return if (uri.scheme == "http" || uri.scheme == "https") proxies else listOf(Proxy.NO_PROXY)
  }

            JvmVersion.java11.major.toString(),
            display = ParameterDisplay.PROMPT,
            allowEmpty = false,
            description = "Java version to run the test with"
        )
        select(
            testJvmVendorParameter,
            JvmVendor.openjdk.name,
            display = ParameterDisplay.PROMPT,
            description = "Java vendor to run the test with",

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

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

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

  fun assertRequests(vararg expectedUris: URI?) {
    assertThat(requestedUris).containsExactly(*expectedUris)
    requestedUris.clear()

        return null
      } else if (methodName == "protocols" && callArgs.isEmpty()) {
        return protocols // Client advertises these protocols.
      } else if ((methodName == "selectProtocol" || methodName == "select") &&
        String::class.java == returnType && callArgs.size == 1 && callArgs[0] is List<*>
      ) {
        val peerProtocols = callArgs[0] as List<*>
        // Pick the first known protocol the peer advertises.

        fmt.Println("Got request with initial payload", p, "from", GetCaller(ctx context.Context))
        fmt.Println("Subroute:", GetSubroute(ctx))
        for {
            select {
            case <-ctx.Done():
                return nil
            case req, ok := <-in:
                if !ok {
                    break
                }           

...
BUILD SUCCESSFUL in 1m 30s
63 actionable tasks: 61 executed, 2 up-to-date

```

        return latests
    }

    private
    fun fetchNightlyBuildId(buildListUrl: String): String =
        Jsoup.connect(buildListUrl)
            .get()
            .select("li a")
            .first()!!
            .text()

    private
    fun DocumentBuilderFactory.fetchNightlyVersion(mavenMetadataUrl: String): String =
        fetchVersionsFromMavenMetadata(mavenMetadataUrl)

      val uri = url.toUri()
      if (uri.host == null) return immutableListOf(Proxy.NO_PROXY)

      // Try each of the ProxySelector choices until one connection succeeds.
      val proxiesOrNull = address.proxySelector.select(uri)
      if (proxiesOrNull.isNullOrEmpty()) return immutableListOf(Proxy.NO_PROXY)

      return proxiesOrNull.toImmutableList()
    }

    connectionUser.proxySelectStart(url)
    proxies = selectProxies()