private void saveXPath() {
        // TODO: save XPath values!
        //String[] filters = new String[xpath.size()];
        //filters = (String[]) xpath.toArray(filters); 
    }
the time between successive executions of the task that will save
the queued audited packets to a permanent store.
xmppserver/src/main/java/org/jivesoftware/openfire/audit/spi/AuditManagerImpl.java