@Override
    DfsReferralDataInternal next ();


    /**
     * @param link
     */
    void setLink ( String link );


    /**
     * @return cache key
     */
    String getKey ();


    /**
     * 
     * @param key
     *            cache key
     */
    void setKey ( String key );


    /**
     * @param map
     */

            spec = "//" + spec;
            limit += 2;
        }
        super.parseURL(u, spec, start, limit);
        path = u.getPath();
        ref = u.getRef();
        if ( ref != null ) {
            path += '#' + ref;
        }
        port = u.getPort();
        if ( port == -1 ) {
            port = getDefaultPort();
        }

            if ( credential instanceof KerberosKey )
                serverKeys.add((KerberosKey) credential);

        return serverKeys.toArray(new KerberosKey[0]);
    }


    public KerberosKey getKey ( int keyType ) {
        KerberosKey serverKey = null;

        Set<Object> serverPrivateCredentials = this.subject.getPrivateCredentials();
        for ( Object credential : serverPrivateCredentials )

        List<Object> configs = new ArrayList<>();
        for ( Entry<String, Map<String, String>> cfg : AllTests.getConfigs(mutations).entrySet() ) {
            configs.add(new Object[] {
                cfg.getKey(), cfg.getValue()
            });
        }
        return configs;
    }

    private static final class CIFSConfigContextWrapper extends CIFSContextWrapper {

        private final DelegatingConfiguration cfg;