* 
     * This will require that a keytab is configured in this service.
     * 
     * 
     */
    public JAASAuthenticator () {
        this("jcifs");
    }


    /**
     * Create an authenticator using the given JAAS service
     * 
     * This will require that a keytab is configured in this service.
     * 
     * @param serviceName

    /**
     * @return whether default credentials are available
     */
    boolean hasDefaultCredentials ();


    /**
     * @return a child context using the configured default credentials
     */
    CIFSContext withDefaultCredentials ();


    /**
     * @return a child context using anonymous credentials
     */
    CIFSContext withAnonymousCredentials ();

 * <p>
 * This class is a wrapper for both {@link jcifs.netbios.NbtAddress}
 * and {@link java.net.InetAddress}. The name resolution mechanisms
 * used will systematically query all available configured resolution
 * services including WINS, broadcasts, DNS, and LMHOSTS. See
 * <a href="../../resolver.html">Setting Name Resolution Properties</a>
 * and the <code>jcifs.resolveOrder</code> property. Changing