public long getAckSevereAlertThresholdMS() {
    long disconnectTimeout = getSevereAlertThreshold() * 1000L;
    if (disconnectTimeout > 0 && severeAlertShorten.get()) {
      disconnectTimeout = (long) (disconnectTimeout * PR_SEVERE_ALERT_RATIO);
    }
    return disconnectTimeout;
  }
Get the ack-severe-alert-threshold, in milliseconds, with shortening applied
geode-core/src/main/java/org/apache/geode/distributed/internal/ReplyProcessor21.java