protected static CacheEntry FALSE_ENTRY = new Dfs.CacheEntry(0L);

    protected CacheEntry _domains = null; /* aka trusted domains cache */
    protected CacheEntry referrals = null;

    public HashMap getTrustedDomains(NtlmPasswordAuthentication auth) throws SmbAuthException {
        if (DISABLED || auth.domain == "?")
            return null;

        if (_domains != null && System.currentTimeMillis() > _domains.expiration) {

    /**
     * @param tc
     * 
     */
    public DfsImpl ( CIFSContext tc ) {}


    private Map<String, Map<String, CacheEntry<DfsReferralDataInternal>>> getTrustedDomains ( CIFSContext tf ) throws SmbAuthException {
        if ( tf.getConfig().isDfsDisabled() || tf.getCredentials().getUserDomain() == null || tf.getCredentials().getUserDomain().isEmpty() ) {
            return null;
        }