val headers = response.headers
      for ((name, value) in headers) {
        println("$name: $value")
      }
      println()
    }

    // Stream the response to the System.out as it is returned from the server.
    val out = System.out.sink()
    val source = response.body.source()
    while (!source.exhausted()) {
      out.write(source.buffer, source.buffer.size)
      out.flush()
    }

    response.body.close()

 * and initializing on first use.
 *
 * We use this because eager classpath checks cause confusion and excessive logging in Android,
 * and we can't rely on classnames after proguard, so are probably best served by falling through
 * to a situation of trying our least likely noisiest options.
 */
class DeferredSocketAdapter(private val socketAdapterFactory: Factory) : SocketAdapter {
  private var delegate: SocketAdapter? = null

    "EEE dd-MMM-yy HH:mm:ss z",
    "EEE dd MMM yy HH:mm:ss z",
    "EEE,dd-MMM-yy HH:mm:ss z",
    "EEE,dd-MMM-yyyy HH:mm:ss z",
    "EEE, dd-MM-yyyy HH:mm:ss z",
    // RI bug 6641315 claims a cookie of this format was once served by www.yahoo.com:
    "EEE MMM d yyyy HH:mm:ss z",
  )

private val BROWSER_COMPATIBLE_DATE_FORMATS =
  arrayOfNulls<DateFormat>(BROWSER_COMPATIBLE_DATE_FORMAT_STRINGS.size)

   * cache then this is the timestamp of the original request.
   */
  @get:JvmName("sentRequestAtMillis") val sentRequestAtMillis: Long,
  /**
   * Returns a [timestamp][System.currentTimeMillis] taken immediately after OkHttp
   * received this response's headers from the network. If this response is being served from the

    val address = factory.newAddress()
    proxySelector.proxies.add(Proxy.NO_PROXY)
    val routeSelector = newRouteSelector(address)
    proxySelector.assertRequests(address.url.toUri())

    // Only the origin server will be attempted.
    assertThat(routeSelector.hasNext()).isTrue()
    dns[uriHost] = dns.allocate(1)
    val selection = routeSelector.next()

 * is used to verify the signature of the "www.squareup.com" certificate.
 *
 * This roles are reversed for client authentication. In that case the client has a private key and
 * a chain of certificates. The server uses a set of trusted root certificates to authenticate the
 * client. Subject alternative names are not used for client authentication.
 */
@Suppress("DEPRECATION")
class HeldCertificate(

 * They don't specify whether a specific proxy server should be used or how to authenticate with that proxy server.

They're also concrete: each URL identifies a specific path (like `/square/okhttp`) and query (like `?q=sharks&lang=en`). Each webserver hosts many URLs.

import org.opentest4j.TestAbortedException

/**
 * This test binds two different web servers (IPv4 and IPv6) to the same port, but on different
 * local IP addresses. Requests made to `127.0.0.1` will reach the IPv4 server, and requests made to
 * `::1` will reach the IPv6 server.
 *
 * By orchestrating two different servers with the same port but different IP addresses, we can

    it keeps your `HeldCertificate` and its chain. On the client it keeps the root certificates
    that are trusted to sign a server's certificate chain. `HandshakeCertificates` also works with
    mutual TLS where these roles are reversed.

    These classes make it possible to enable HTTPS in MockWebServer in [just a few lines of
    code][https_server_sample].

import okhttp3.Route
import okhttp3.internal.canParseAsIpAddress
import okhttp3.internal.immutableListOf
import okhttp3.internal.toImmutableList

/**
 * Selects routes to connect to an origin server. Each connection requires a choice of proxy server,
 * IP address, and TLS mode. Connections may also be recycled.
 */
class RouteSelector(
  private val address: Address,
  private val routeDatabase: RouteDatabase,