override fun configureTlsExtensions(
    sslSocket: SSLSocket,
    hostname: String?,
    protocols: List<@JvmSuppressWildcards Protocol>,
  ) {
    // No TLS extensions if the socket class is custom.
    socketAdapters.find { it.matchesSocket(sslSocket) }
      ?.configureTlsExtensions(sslSocket, hostname, protocols)
  }

  override fun getSelectedProtocol(sslSocket: SSLSocket): String? =

 * reflection-based calls to SSLSocket from Platform.
 */
class FallbackTestClientSocketFactory(
  delegate: SSLSocketFactory,
) : DelegatingSSLSocketFactory(delegate) {
  override fun configureSocket(sslSocket: SSLSocket): SSLSocket = TlsFallbackScsvDisabledSSLSocket(sslSocket)

  private class TlsFallbackScsvDisabledSSLSocket(
    socket: SSLSocket,
  ) : DelegatingSSLSocket(socket) {

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

import java.io.IOException
import java.net.Inet6Address
import java.net.Socket
import javax.net.ssl.SSLSocket
import okhttp3.Handshake
import okhttp3.Handshake.Companion.handshake
import okhttp3.Headers
import okhttp3.HttpUrl
import okhttp3.HttpUrl.Companion.toHttpUrlOrNull
import okhttp3.TlsVersion
import okio.Buffer

 * limitations under the License.
 */

package mockwebserver3

import java.io.IOException
import java.net.Inet6Address
import java.net.Socket
import javax.net.ssl.SSLSocket
import okhttp3.ExperimentalOkHttpApi
import okhttp3.Handshake
import okhttp3.Handshake.Companion.handshake
import okhttp3.Headers
import okhttp3.HttpUrl
import okhttp3.HttpUrl.Companion.toHttpUrlOrNull

    }
  }

  override fun getSelectedProtocol(sslSocket: SSLSocket): String? =
    if (sslSocket is BCSSLSocket) {
      when (val protocol = (sslSocket as BCSSLSocket).applicationProtocol) {
        // Handles both un-configured and none selected.
        null, "" -> null
        else -> protocol
      }
    } else {
      super.getSelectedProtocol(sslSocket)
    }

  ) {
    val sslParameters = sslSocket.sslParameters

    val names = alpnProtocolNames(protocols)

    sslParameters.applicationProtocols = names.toTypedArray()

    sslSocket.sslParameters = sslParameters
  }

  @SuppressSignatureCheck
  override fun getSelectedProtocol(sslSocket: SSLSocket): String? {
    return try {
      // SSLSocket.getApplicationProtocol returns "" if application protocols values will not

    val delegatingSocketFactory =
      object : DelegatingSSLSocketFactory(sslSocketFactory) {
        override fun configureSocket(sslSocket: SSLSocket): SSLSocket {
          return object : DelegatingSSLSocket(sslSocket) {
            override fun getApplicationProtocol(): String {
              throw UnsupportedOperationException()
            }
          }
        }
      }

    val socketFactory = context.socketFactory

    val sslSocket = socketFactory.createSocket() as SSLSocket
    assertTrue(adapter.matchesSocket(sslSocket))

    adapter.configureTlsExtensions(sslSocket, null, listOf(HTTP_2, HTTP_1_1))
    // not connected
    assertNull(adapter.getSelectedProtocol(sslSocket))
  }

  @ParameterizedTest
  @MethodSource("data")

    }
  }

  override fun getSelectedProtocol(sslSocket: SSLSocket): String? =
    if (Conscrypt.isConscrypt(sslSocket)) {
      Conscrypt.getApplicationProtocol(sslSocket)
    } else {
      super.getSelectedProtocol(sslSocket)
    }

  override fun newSslSocketFactory(trustManager: X509TrustManager): SSLSocketFactory {
    return newSSLContext().apply {

internal fun cacheGet(
  cache: Cache,
  request: Request,
): Response? = cache.get(request)

internal fun applyConnectionSpec(
  connectionSpec: ConnectionSpec,
  sslSocket: SSLSocket,
  isFallback: Boolean,
) = connectionSpec.apply(sslSocket, isFallback)

internal fun ConnectionSpec.effectiveCipherSuites(socketEnabledCipherSuites: Array<String>): Array<String> {
  return if (cipherSuitesAsString != null) {