if (list.size() > 0) {
            sids = (SID[])list.toArray(new SID[0]);
            SID.resolveSids0(authorityServerName, auth, sids);
            for (si = 0; si < sids.length; si++) {
                sid_cache.put(sids[si], sids[si]);
            }
        }
}
    }
    /**
     * Resolve an array of SIDs using a cache and at most one MSRPC request.
     * <p>
     * This method will attempt