hostname: String?,
    protocols: List<@JvmSuppressWildcards Protocol>,
  ) {
  }

  /** Called after the TLS handshake to release resources allocated by [configureTlsExtensions]. */
  open fun afterHandshake(sslSocket: SSLSocket) {
  }

  /** Returns the negotiated protocol, or null if no protocol was negotiated. */
  open fun getSelectedProtocol(sslSocket: SSLSocket): String? = null

      sink = sslSocket.sink().buffer()
      protocol = if (maybeProtocol != null) Protocol.get(maybeProtocol) else Protocol.HTTP_1_1
      success = true
    } finally {
      Platform.get().afterHandshake(sslSocket)
      if (!success) {
        sslSocket.closeQuietly()
      }
    }
  }

  /**
   * To make an HTTPS connection over an HTTP proxy, send an unencrypted CONNECT request to create

            protocol =
              when {
                protocolString != null -> Protocol.get(protocolString)
                else -> Protocol.HTTP_1_1
              }
            Platform.get().afterHandshake(sslSocket)
          } else {
            protocol = Protocol.HTTP_1_1
          }
          openClientSockets.remove(raw)
        }
        else -> {
          protocol =
            when {