for (int i = 0; i < entries.size(); i++) {
        Range<K> range = entries.get(i).getKey();
        if (i > 0) {
          Range<K> prevRange = entries.get(i - 1).getKey();
          if (range.isConnected(prevRange) && !range.intersection(prevRange).isEmpty()) {
            throw new IllegalArgumentException(
                "Overlapping ranges: range " + prevRange + " overlaps with entry " + range);
          }
        }

                                 * sent. Unfortunately calling disconnect() doesn't always
                                 * actually shutdown the connection before other threads
                                 * have committed themselves (e.g. InterruptTest example).
                                 */
                                try {
                                    transport.disconnect(true);

      for (int i = 0; i < entries.size(); i++) {
        Range<K> range = entries.get(i).getKey();
        if (i > 0) {
          Range<K> prevRange = entries.get(i - 1).getKey();
          if (range.isConnected(prevRange) && !range.intersection(prevRange).isEmpty()) {
            throw new IllegalArgumentException(
                "Overlapping ranges: range " + prevRange + " overlaps with entry " + range);
          }
        }

    protected void doCloseInternal() throws CIFSException {
        try {
            @SuppressWarnings("resource")
            final SmbTreeHandleImpl th = getTreeHandle();
            if (this.fileId != null && th.isConnected()) {
                th.send(new Smb2CloseRequest(th.getConfig(), this.fileId));
            }
        } finally {
            this.fileId = null;
        }
    }

    }

    private void attemptRecovery(ChannelInfo channel, FailoverState state) {
        try {
            log.info("Attempting to recover channel {}", channel.getChannelId());

            // Disconnect existing transport
            SmbTransport oldTransport = channel.getTransport();
            if (oldTransport != null) {
                try {
                    oldTransport.close();

        try {
            handshake();
        } catch (final IOException ex) {}
        return connection.getResponseMessage();
    }

    @Override
    public void disconnect() {
        connection.disconnect();
        handshakeComplete = false;
        connected = false;
    }

    @Override
    public boolean usingProxy() {
        return connection.usingProxy();
    }

     */
    @Override
    public List<FileNotifyInformation> watch() throws CIFSException {
        if (!this.handle.isValid()) {
            throw new SmbException("Watch was broken by tree disconnect");
        }
        try (SmbTreeHandleImpl th = this.handle.getTree()) {

            CommonServerMessageBlockRequest req;
            NotifyResponse resp = null;
            if (th.isSMB2()) {

                default:
                    disconnect(true);
                    throw new NbtException(NbtException.ERR_SSN_SRVC, errorCode);
                }
                break;
            case -1:
                disconnect(true);
                throw new NbtException(NbtException.ERR_SSN_SRVC, NbtException.CONNECTION_REFUSED);
            default:
                disconnect(true);

        }
    }

    class MockHttpURLConnection extends HttpURLConnection {

        MockHttpURLConnection(URL u) {
            super(u);
        }

        @Override
        public void disconnect() {
            // Do Nothing
        }

        @Override
        public boolean usingProxy() {
            return false;
        }

        @Override
        public void connect() throws IOException {

  RegularContiguousSet(Range<C> range, DiscreteDomain<C> domain) {
    super(domain);
    this.range = range;
  }

  private ContiguousSet<C> intersectionInCurrentDomain(Range<C> other) {
    return range.isConnected(other)
        ? ContiguousSet.create(range.intersection(other), domain)
        : new EmptyContiguousSet<C>(domain);
  }

  @Override
  ContiguousSet<C> headSetImpl(C toElement, boolean inclusive) {