});

        // User likely doesn't care about daemons that stopped a long time ago
        for (DaemonStopEvent event : sortedEvents) {
            Long pid = event.getPid();
            if (event.occurredInLastHours(RECENTLY) && !uniqueStoppedPids.contains(pid)) {
                // We can only determine if two DaemonStopEvent point at the same daemon if we know the PIDs
                if (pid != null) {

        return "DaemonStopEvent{"
            + "timestamp=" + timestamp
            + ", pid=" + pid
            + ", status=" + status
            + "}";
    }

    boolean occurredInLastHours(final int numHours) {
        Calendar cal = Calendar.getInstance();
        cal.setTime(new Date(System.currentTimeMillis()));
        cal.add(Calendar.HOUR_OF_DAY, -1 * numHours);