* prepare preemptive authentication. OkHttp will call [authenticate] with a fake `HTTP/1.1 407
 * Proxy Authentication Required` response that has a `Proxy-Authenticate: OkHttp-Preemptive`
 * challenge. The proxy authenticator may return either an authenticated request, or null to
 * connect without authentication.
 *
 * ```java

        .protocol(HTTP_2)
        .message("Unauthorized")
        .build()
    val authRequest = authenticator.authenticate(route, response)

    assertEquals(
      "Basic ${RecordingAuthenticator.BASE_64_CREDENTIALS}",
      authRequest!!.header("Authorization"),
    )
  }

  @Test
  fun noSupportForNonBasicAuth() {
    val request =
      Request
        .Builder()

import java.io.IOException
import okhttp3.Authenticator
import okhttp3.Credentials
import okhttp3.OkHttpClient
import okhttp3.Request
import okhttp3.Response
import okhttp3.Route

class Authenticate {
  private val client =
    OkHttpClient
      .Builder()
      .authenticator(
        object : Authenticator {
          @Throws(IOException::class)
          override fun authenticate(
            route: Route?,

 */
package okhttp3.internal.authenticator

import java.io.IOException
import java.net.Authenticator
import java.net.InetAddress
import java.net.InetSocketAddress
import java.net.Proxy
import okhttp3.Credentials
import okhttp3.Dns
import okhttp3.HttpUrl
import okhttp3.Request
import okhttp3.Response
import okhttp3.Route

/**

 */
package okhttp3

import java.io.IOException
import okhttp3.Authenticator.Companion.JAVA_NET_AUTHENTICATOR

/**
 * Do not use this.
 *
 * Instead, configure your OkHttpClient.Builder to use `Authenticator.JAVA_NET_AUTHENTICATOR`:
 *
 * ```
 *   val okHttpClient = OkHttpClient.Builder()
 *     .authenticator(okhttp3.Authenticator.Companion.JAVA_NET_AUTHENTICATOR)
 *     .build()
 * ```
 */

 * limitations under the License.
 */
package okhttp3.internal

import java.io.IOException
import okhttp3.Authenticator
import okhttp3.Request
import okhttp3.Response
import okhttp3.Route

class RecordingOkAuthenticator(
  val credential: String?,
  val scheme: String?,
) : Authenticator {
  val responses = mutableListOf<Response>()
  val routes = mutableListOf<Route>()

      }

    /**
     * Sets the authenticator used to respond to challenges from origin servers. Use
     * [proxyAuthenticator] to set the authenticator for proxy servers.
     *
     * If unset, the [no authentication will be attempted][Authenticator.NONE].
     */
    fun authenticator(authenticator: Authenticator) =
      apply {
        this.authenticator = authenticator
      }

        headers = headersOf("WWW-Authenticate", "Bearer realm=\"oauthed\""),
        body = "Please authenticate.",
      ),
    )
    server.enqueue(
      MockResponse(body = "A"),
    )
    val authenticator = RecordingOkAuthenticator("oauthed abc123", "Bearer")
    client =
      client
        .newBuilder()
        .authenticator(authenticator)
        .build()

    val heldCertificate: HeldCertificate = builder.build()
  }

  @Test
  fun javaNetAuthenticator() {
    val authenticator = JavaNetAuthenticator()
    val response = Response.Builder().build()
    var request: Request? = authenticator.authenticate(factory.newRoute(), response)
    request = authenticator.authenticate(null, response)
  }

  @Test
  fun javaNetCookieJar() {

 * limitations under the License.
 */
package okhttp3.internal

import java.net.Authenticator
import java.net.PasswordAuthentication

class RecordingAuthenticator(
  private val authentication: PasswordAuthentication? =
    PasswordAuthentication(
      "username",
      "password".toCharArray(),
    ),
) : Authenticator() {
  val calls = mutableListOf<String>()