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

import java.io.IOException
import okhttp3.Interceptor
import okhttp3.Response
import okhttp3.internal.http.RealInterceptorChain

/**
 * Opens a connection to the target server and proceeds to the next interceptor. The network might

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

import java.io.IOException;
import java.security.cert.Certificate;
import okhttp3.CertificatePinner;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.Response;

public final class CertificatePinning {

 */
package okhttp3

import java.io.IOException
import okhttp3.Interceptor.Chain
import okio.Buffer
import okio.BufferedSink
import okio.ForwardingSink
import okio.Sink
import okio.buffer

/** Rewrites the request body sent to the server to be all uppercase.  */
class UppercaseRequestInterceptor : Interceptor {
  @Throws(IOException::class)
  override fun intercept(chain: Chain): Response {

 */
package okhttp3

import java.io.IOException
import java.util.concurrent.TimeUnit

/**
 * Records received HTTP responses so they can be later retrieved by tests.
 */
class RecordingCallback : Callback {
  private val responses = mutableListOf<RecordedResponse>()

  @Synchronized
  override fun onFailure(
    call: Call,
    e: IOException,
  ) {

    server.enqueue(dnsResponse(String(array)))
    try {
      dns.lookup("google.com")
      fail<Any>()
    } catch (ioe: IOException) {
      assertThat(ioe.message).isEqualTo("google.com")
      val cause = ioe.cause!!
      assertThat(cause).isInstanceOf<IOException>()
      assertThat(cause).hasMessage("response size exceeds limit (65536 bytes): 65537 bytes")
    }
  }

  @Test

package okhttp3.internal.tls

import assertk.assertThat
import assertk.assertions.endsWith
import assertk.assertions.isEqualTo
import assertk.assertions.isNull
import assertk.assertions.startsWith
import java.io.IOException
import java.net.SocketException
import java.security.GeneralSecurityException
import java.security.SecureRandom
import java.security.cert.X509Certificate
import java.util.Arrays
import javax.net.ssl.KeyManager

import assertk.assertThat
import assertk.assertions.contains
import assertk.assertions.isEmpty
import assertk.assertions.isEqualTo
import assertk.assertions.isNull
import assertk.assertions.isSameAs
import java.io.IOException
import java.util.concurrent.LinkedBlockingQueue
import java.util.concurrent.TimeUnit
import okhttp3.Response
import okhttp3.WebSocket
import okhttp3.WebSocketListener
import okhttp3.internal.platform.Platform

 * Call call = client.newCall(request);
 * call.enqueue(new Callback() {
 *   public void onResponse(Call call, Response response) throws IOException {
 *     try (ResponseBody responseBody = response.body()) {
 *     ... // Use the response.
 *     }
 *   }
 *
 *   public void onFailure(Call call, IOException e) {
 *   ... // Handle the failure.
 *   }
 * });
 * ```
 *

      object : Source {
        private var cacheRequestClosed = false

        @Throws(IOException::class)
        override fun read(
          sink: Buffer,
          byteCount: Long,
        ): Long {
          val bytesRead: Long
          try {
            bytesRead = source.read(sink, byteCount)
          } catch (e: IOException) {
            if (!cacheRequestClosed) {
              cacheRequestClosed = true

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

import java.io.IOException
import java.net.ProtocolException
import okhttp3.Interceptor
import okhttp3.Response
import okhttp3.internal.connection.Exchange
import okhttp3.internal.http2.ConnectionShutdownException