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> =
  if (cipherSuitesAsString != null) {
    // 3 options here for ordering

  Client(
    userAgent = "OkHttp",
    version = OkHttp.VERSION,
    enabled =
      ConnectionSpec.MODERN_TLS.cipherSuites!!.map {
        ianaSuites.fromJavaName(it.javaName)
      },
    supported =
      ConnectionSpec.COMPATIBLE_TLS.cipherSuites!!.map {
        ianaSuites.fromJavaName(it.javaName)
      },
  )

fun historicOkHttp(version: String): Client {
  val enabled =

HSPLokhttp3/ConnectionSpec$Builder;-><init>(Lokhttp3/ConnectionSpec;)V
HSPLokhttp3/ConnectionSpec$Builder;-><init>(Z)V
HSPLokhttp3/ConnectionSpec$Builder;->build()Lokhttp3/ConnectionSpec;
HSPLokhttp3/ConnectionSpec$Builder;->cipherSuites([Ljava/lang/String;)Lokhttp3/ConnectionSpec$Builder;
HSPLokhttp3/ConnectionSpec$Builder;->cipherSuites([Lokhttp3/CipherSuite;)Lokhttp3/ConnectionSpec$Builder;

    e is ProtocolException -> false

    // If there was an interruption or timeout (SocketTimeoutException), don't recover.
    // For the socket connect timeout case we do not try the same host with a different
    // ConnectionSpec: we assume it is unreachable.
    e is InterruptedIOException -> false

    // If the problem was a CertificateException from the X509TrustManager, do not retry.

 *     [RealConnection.isEligible] for details.
 *
 *  3. Attempt plans from prior connect attempts for this call. These occur as either follow-ups to
 *     failed connect attempts (such as trying the next [ConnectionSpec]), or as attempts that lost
 *     a race in fast follow-up.
 *
 *  4. If there's no existing connection, make a list of routes (which may require blocking DNS

import okhttp3.internal.toImmutableList

/**
 * A record of a TLS handshake. For HTTPS clients, the client is *local* and the remote server is
 * its *peer*.
 *
 * This value object describes a completed handshake. Use [ConnectionSpec] to set policy for new
 * handshakes.
 */
class Handshake internal constructor(
  /**
   * Returns the TLS version used for this connection. This value wasn't tracked prior to OkHttp