import assertk.assertThat
import assertk.assertions.isEqualTo
import assertk.fail
import java.io.IOException
import java.net.InetAddress
import java.net.InetSocketAddress
import java.net.Proxy
import java.security.cert.X509Certificate
import java.util.Arrays
import java.util.concurrent.CountDownLatch
import java.util.concurrent.atomic.AtomicInteger
import java.util.concurrent.atomic.AtomicReference
import javax.net.ssl.HostnameVerifier

    inetSocketAddress: InetSocketAddress,
    proxy: Proxy,
  ) {
  }

  /**
   * Invoked just prior to initiating a TLS connection.
   *
   * This method is invoked if the following conditions are met:
   *
   *  * The [Call.request] requires TLS.
   *
   *  * No existing connection from the [ConnectionPool] can be reused.
   *

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 * `RESTRICTED_TLS` is a secure configuration, intended to meet stricter compliance requirements.
 * `MODERN_TLS` is a secure configuration that connects to modern HTTPS servers.
 * `COMPATIBLE_TLS` is a secure configuration that connects to secure–but not current–HTTPS servers.

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