static final int FLAGS_NONE = 0x00;
    static final int FLAGS_LOCK_AND_READ_WRITE_AND_UNLOCK = 0x01;
    static final int FLAGS_RECEIVE_BUFFER_POSTED = 0x02;
    static final int FLAGS_PATH_NAMES_CASELESS = 0x08;
    static final int FLAGS_PATH_NAMES_CANONICALIZED = 0x10;
    static final int FLAGS_OPLOCK_REQUESTED_OR_GRANTED = 0x20;
    static final int FLAGS_NOTIFY_OF_MODIFY_ACTION = 0x40;

public class rpc {

    public static class uuid_t extends NdrObject {

        public int time_low;
        public short time_mid;
        public short time_hi_and_version;
        public byte clock_seq_hi_and_reserved;
        public byte clock_seq_low;
        public byte[] node;


        @Override
        public void encode ( NdrBuffer _dst ) throws NdrException {
            _dst.align(4);

        int klen = keybytes.length;
        byte[] dk = new byte[klen];
        for ( int n = 0; n < klen; ) {
            byte[] block = cipher.doFinal(enc);
            int len = Math.min(klen - n, block.length);
            System.arraycopy(block, 0, dk, n, len);
            n += len;
            enc = block;
        }
        return dk;
    }


    public static byte[] expandNFold ( byte[] data, int outlen ) {

     */
    protected volatile int state = 0;

    protected String name = "Transport" + id++;
    private volatile Thread thread;
    private volatile TransportException te;

    protected final Object inLock = new Object();
    protected final Object outLock = new Object();

    protected final Map<Long, Response> response_map = new ConcurrentHashMap<>(10);
    private final AtomicLong usageCount = new AtomicLong(1);

 * 
 * 
 * @author mbechler
 *
 */
public interface SmbWatchHandle extends AutoCloseable, Callable<List<FileNotifyInformation>> {

    /**
     * Get the next set of changes
     * 
     * Will block until the server returns a set of changes that match the given filter. The file will be automatically
     * opened if it is not and should be closed with {@link #close()} when no longer
     * needed.
     * 

    private final Object domainsLock = new Object();

    private final Map<String, CacheEntry<DfsReferralDataInternal>> dcCache = new HashMap<>();
    private final Object dcLock = new Object();

    private CacheEntry<DfsReferralDataInternal> referrals = null;
    private final Object referralsLock = new Object();


    /**
     * @param tc
     * 
     */

        length -= remainder;
        int block;
        int i = 0;
        while (i < length) {
            block = ((bytes[i++] & 0xff) << 16) | ((bytes[i++] & 0xff) << 8) |
                    (bytes[i++] & 0xff);
            buffer.append(ALPHABET.charAt(block >>> 18));
            buffer.append(ALPHABET.charAt((block >>> 12) & 0x3f));
            buffer.append(ALPHABET.charAt((block >>> 6) & 0x3f));

     *    <p>
     *    Transforms context based on 512 bits from input block starting
     *    from the offset'th byte.
     *
     *    @param    block    input sub-array.
     *    @param    offset    starting position of sub-array.
     */
    private void transform (byte[] block, int offset) {

        // encodes 64 bytes from input block into an array of 16 32-bit
        // entities. Use A as a temp var.

    public UUID(rpc.uuid_t uuid) {
        time_low = uuid.time_low;
        time_mid = uuid.time_mid;
        time_hi_and_version = uuid.time_hi_and_version;
        clock_seq_hi_and_reserved = uuid.clock_seq_hi_and_reserved;
        clock_seq_low = uuid.clock_seq_low;
        node = new byte[6];
        node[0] = uuid.node[0];
        node[1] = uuid.node[1];
        node[2] = uuid.node[2];
        node[3] = uuid.node[3];

	typedef unsigned int uint32_t;

	/* dce */

	typedef struct {
	    uint32_t time_low;
	    uint16_t time_mid;
	    uint16_t time_hi_and_version;
	    uint8_t clock_seq_hi_and_reserved;
	    uint8_t clock_seq_low;
	    uint8_t node[6];
	} uuid_t;

	/* win32 stuff */

	typedef struct {
		uint32_t type;
		uuid_t uuid;
	} policy_handle;

	/*
	 * typedef struct _UNICODE_STRING