private fun connectTls(
    sslSocket: SSLSocket,
    connectionSpec: ConnectionSpec,
  ) {
    val address = route.address
    var success = false
    try {
      if (connectionSpec.supportsTlsExtensions) {
        Platform.get().configureTlsExtensions(sslSocket, address.url.host, address.protocols)
      }

      // Force handshake. This can throw!
      sslSocket.startHandshake()

    connectionSpec = ConnectionSpec.CLEARTEXT
    val tlsVersions: List<TlsVersion>? = connectionSpec.tlsVersions
    val cipherSuites: List<CipherSuite>? = connectionSpec.cipherSuites
    val supportsTlsExtensions: Boolean = connectionSpec.supportsTlsExtensions
    val compatible: Boolean =
      connectionSpec.isCompatible(
        localhost().sslSocketFactory().createSocket() as SSLSocket,
      )
  }

  @Test

	public final fun -deprecated_supportsTlsExtensions ()Z
	public final fun -deprecated_tlsVersions ()Ljava/util/List;
	public final fun cipherSuites ()Ljava/util/List;
	public fun equals (Ljava/lang/Object;)Z
	public fun hashCode ()I
	public final fun isCompatible (Ljavax/net/ssl/SSLSocket;)Z
	public final fun isTls ()Z
	public final fun supportsTlsExtensions ()Z
	public final fun tlsVersions ()Ljava/util/List;