import javax.net.ssl.SSLSocketFactory
import okhttp3.Protocol
import okhttp3.Protocol.Companion.get
import okhttp3.internal.closeQuietly
import okhttp3.internal.concurrent.TaskRunner
import okhttp3.internal.http2.Header
import okhttp3.internal.http2.Http2Connection
import okhttp3.internal.http2.Http2Stream
import okhttp3.internal.platform.Platform
import okhttp3.tls.internal.TlsUtil.localhost
import okio.buffer

 */
package okhttp3.internal.http

import assertk.fail
import java.io.IOException
import java.net.ServerSocket
import java.net.Socket
import java.net.SocketException
import java.util.concurrent.TimeUnit
import kotlin.test.assertFailsWith
import okhttp3.DelegatingServerSocketFactory
import okhttp3.DelegatingSocketFactory
import okhttp3.OkHttpClient
import okhttp3.OkHttpClientTestRule
import okhttp3.Request

import okhttp3.internal.EMPTY_HEADERS
import okhttp3.internal.cache.CacheRequest
import okhttp3.internal.cache.CacheStrategy
import okhttp3.internal.cache.DiskLruCache
import okhttp3.internal.closeQuietly
import okhttp3.internal.concurrent.TaskRunner
import okhttp3.internal.http.HttpMethod
import okhttp3.internal.http.StatusLine
import okhttp3.internal.platform.Platform
import okhttp3.internal.platform.Platform.Companion.WARN

 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package okhttp3.recipes;

import java.io.IOException;
import okhttp3.Credentials;
import okhttp3.Interceptor;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.Response;

public final class PreemptiveAuth {
  private final OkHttpClient client;

  public PreemptiveAuth() {

import kotlin.test.assertFailsWith
import okhttp3.Address
import okhttp3.ConnectionListener
import okhttp3.FakeDns
import okhttp3.OkHttpClientTestRule
import okhttp3.Request
import okhttp3.Route
import okhttp3.TestValueFactory
import okhttp3.internal.connection.RouteSelector.Companion.socketHost
import okhttp3.internal.http.RealInterceptorChain
import okhttp3.internal.http.RecordingProxySelector

 * limitations under the License.
 */
package okhttp3

import java.util.concurrent.TimeUnit
import kotlin.time.Duration
import okhttp3.internal.commonBuild
import okhttp3.internal.commonClampToInt
import okhttp3.internal.commonForceCache
import okhttp3.internal.commonForceNetwork
import okhttp3.internal.commonImmutable
import okhttp3.internal.commonNoCache
import okhttp3.internal.commonNoStore

 */
@file:JvmName("HttpHeaders")

package okhttp3.internal.http

import java.io.EOFException
import java.net.HttpURLConnection.HTTP_NOT_MODIFIED
import java.net.HttpURLConnection.HTTP_NO_CONTENT
import java.util.Collections
import okhttp3.Challenge
import okhttp3.Cookie
import okhttp3.CookieJar
import okhttp3.Headers
import okhttp3.HttpUrl
import okhttp3.Response
import okhttp3.internal.headersContentLength

import mockwebserver3.MockWebServer
import okhttp3.Cache
import okhttp3.Call
import okhttp3.CertificatePinner
import okhttp3.Connection
import okhttp3.DelegatingSSLSocket
import okhttp3.DelegatingSSLSocketFactory
import okhttp3.EventListener
import okhttp3.Headers
import okhttp3.HttpUrl.Companion.toHttpUrl
import okhttp3.OkHttpClient
import okhttp3.OkHttpClientTestRule
import okhttp3.Protocol
import okhttp3.RecordingEventListener

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

import java.net.InetAddress
import java.net.Proxy
import java.net.Socket
import java.util.concurrent.TimeUnit
import javax.net.ServerSocketFactory
import javax.net.ssl.SSLSocketFactory
import okhttp3.Handshake
import okhttp3.Headers
import okhttp3.Headers.Companion.headersOf
import okhttp3.HttpUrl
import okhttp3.Protocol
import okhttp3.TlsVersion

 * limitations under the License.
 */
package okhttp3.recipes.kt

import java.io.IOException
import okhttp3.OkHttpClient
import okhttp3.Request

class AccessHeaders {
  private val client = OkHttpClient()

  fun run() {
    val request =
      Request.Builder()
        .url("https://api.github.com/repos/square/okhttp/issues")
        .header("User-Agent", "OkHttp Headers.java")