this.gssContext.requestAnonymity(false);
        this.gssContext.requestSequenceDet(false);
        this.gssContext.requestConf(false);
        this.gssContext.requestInteg(false);
        this.gssContext.requestReplayDet(false);

        // per spec these should be set
        this.gssContext.requestMutualAuth(true);

   */
  internal fun messageDone(
    exchange: Exchange,
    requestDone: Boolean = false,
    responseDone: Boolean = false,
    e: IOException?,
  ): IOException? {
    if (exchange != this.exchange) return e // This exchange was detached violently!

    var bothStreamsDone = false
    var callDone = false
    withLock {
      if (requestDone && requestBodyOpen || responseDone && responseBodyOpen) {