try ( SmbTransport dc = getDc(tf, authDomain) ) {
                CacheEntry<Map<String, CacheEntry<DfsReferralDataInternal>>> entry = new CacheEntry<>(tf.getConfig().getDfsTtl() * 10L);
                DfsReferralData initial = null;
                @SuppressWarnings ( "resource" )
                SmbTransportInternal trans = dc != null ? dc.unwrap(SmbTransportInternal.class) : null;

        return this.delegate.isPort139FailoverEnabled();
    }


    /**
     * {@inheritDoc}
     * 
     * @see jcifs.Configuration#getDfsTtl()
     */
    @Override
    public long getDfsTtl () {
        return this.delegate.getDfsTtl();
    }


    /**
     * {@inheritDoc}
     * 
     * @see jcifs.Configuration#isDfsStrictView()
     */
    @Override

        return this.dfsDisabled;
    }


    @Override
    public boolean isDfsStrictView () {
        return this.dfsStrictView;
    }


    @Override
    public long getDfsTtl () {
        return this.dfsTTL;
    }


    @Override
    public boolean isDfsConvertToFQDN () {
        return this.dfsConvertToFqdn;
    }


    @Override

    /**
     * 
     * 
     * Property <tt>jcifs.smb.client.dfs.ttl</tt> (int, default 300)
     * 
     * @return title to live, in seconds, for DFS cache entries
     */
    long getDfsTtl ();


    /**
     * 
     * Property <tt>jcifs.smb.client.dfs.strictView</tt> (boolean, default false)
     * 
     * @return whether a authentication failure during DFS resolving will throw an exception
     */

                rn = dfsResp.getNumReferrals();
            }

            DfsReferralDataImpl cur = null;
            long expiration = System.currentTimeMillis() + ( ctx.getConfig().getDfsTtl() * 1000 );
            Referral[] refs = dfsResp.getReferrals();
            for ( int di = 0; di < rn; di++ ) {