* as attempting IPv6 first, can make such decisions.
   */
  @ExperimentalOkHttpApi
  enum class DnsClass(val type: Int) {
    IPV4(TYPE_A),
    IPV6(TYPE_AAAA),
  }

  @ExperimentalOkHttpApi
  companion object {
    const val TYPE_A = 1
    const val TYPE_AAAA = 28

    /**
     * Adapt an AsyncDns implementation to Dns, waiting until onComplete is received
     * and returning results if available.
     */

import mockwebserver3.MockResponse
import mockwebserver3.MockWebServer
import mockwebserver3.SocketPolicy.FailHandshake
import okhttp3.Headers.Companion.headersOf
import okhttp3.internal.DoubleInetAddressDns
import okhttp3.internal.connection.RealConnectionPool.Companion.get
import okhttp3.testing.Flaky
import okhttp3.testing.PlatformRule
import okhttp3.tls.internal.TlsUtil.localhost
import org.junit.jupiter.api.BeforeEach

 * limitations under the License.
 */
package okhttp3

import java.net.URL
import kotlin.reflect.KClass
import kotlin.reflect.cast
import okhttp3.Headers.Companion.headersOf
import okhttp3.HttpUrl.Companion.toHttpUrl
import okhttp3.internal.canonicalUrl
import okhttp3.internal.commonAddHeader
import okhttp3.internal.commonCacheControl
import okhttp3.internal.commonDelete

      if (nowMillis >= timeoutMillis) break
      (this as Object).wait(timeoutMillis - nowMillis)
    }

    throw AssertionError("Timed out waiting for response to $url")
  }

  companion object {
    val TIMEOUT_MILLIS = TimeUnit.SECONDS.toMillis(10)
  }

        // Handles both un-configured and none selected.
        null, "" -> null
        else -> protocol
      }
    } else {
      super.getSelectedProtocol(sslSocket)
    }

  companion object {
    val isSupported: Boolean =
      try {
        // Trigger an early exception over a fatal error, prefer a RuntimeException over Error.

import okhttp3.Cache
import okhttp3.Dns
import okhttp3.OkHttpClient
import okhttp3.Protocol
import okhttp3.testing.PlatformRule
import okio.Buffer
import okio.ByteString.Companion.decodeHex
import okio.Path.Companion.toPath
import okio.fakefilesystem.FakeFileSystem
import org.junit.jupiter.api.Assertions.fail
import org.junit.jupiter.api.BeforeEach
import org.junit.jupiter.api.Tag
import org.junit.jupiter.api.Test

  override fun equals(other: Any?): Boolean =
    other is AndroidCertificateChainCleaner &&
      other.trustManager === this.trustManager

  override fun hashCode(): Int = System.identityHashCode(trustManager)

  companion object {
    @SuppressSignatureCheck
    fun buildIfSupported(trustManager: X509TrustManager): AndroidCertificateChainCleaner? {
      val extensions =
        try {
          X509TrustManagerExtensions(trustManager)

import javax.net.ssl.SSLSocketFactory
import okhttp3.ConnectionSpec
import okhttp3.OkHttp
import okhttp3.survey.types.Client
import okhttp3.survey.types.SuiteId
import okio.FileSystem
import okio.Path.Companion.toPath
import org.conscrypt.Conscrypt

fun currentOkHttp(ianaSuites: IanaSuites): Client {
  return Client(
    userAgent = "OkHttp",
    version = OkHttp.VERSION,
    enabled =

import java.util.concurrent.TimeUnit
import java.util.concurrent.atomic.AtomicReference
import kotlin.test.assertFailsWith
import mockwebserver3.MockResponse
import mockwebserver3.MockWebServer
import okhttp3.MediaType.Companion.toMediaTypeOrNull
import okhttp3.TestUtil.repeat
import okhttp3.testing.Flaky
import okio.BufferedSink
import org.junit.jupiter.api.BeforeEach
import org.junit.jupiter.api.Tag
import org.junit.jupiter.api.Test

      // Enable ALPN.
      sslParameters.applicationProtocols = Platform.alpnProtocolNames(protocols).toTypedArray()

      bcSocket.parameters = sslParameters
    }
  }

  companion object {
    val factory =
      object : DeferredSocketAdapter.Factory {
        override fun matchesSocket(sslSocket: SSLSocket): Boolean {
          return BouncyCastlePlatform.isSupported && sslSocket is BCSSLSocket