log.debug("Failed to find master browser", e);
                    throw new SmbUnsupportedOperationException();
                }
                throw e;
            }
            try ( SmbFile browser = (SmbFile) parent.resolve(addr.getHostAddress()) ) {
                try ( SmbTreeHandleImpl th = browser.ensureTreeConnected() ) {
                    if ( th.isSMB2() ) {

        }
        return OptionalObject.empty();
    }

    @Override
    public OptionalThing<Locale> getRequestedLocale(final RequestManager requestManager) {
        return OptionalObject.empty(); // means browser default
    }

    // ===================================================================================
    //                                                                      Basic Override

    public static final int ERROR_NO_BROWSER_SERVERS_FOUND = 6118;

    static final int[] WINERR_CODES = {
        ERROR_SUCCESS, ERROR_ACCESS_DENIED, ERROR_REQ_NOT_ACCEP, ERROR_BAD_PIPE, ERROR_PIPE_BUSY, ERROR_NO_DATA, ERROR_PIPE_NOT_CONNECTED,
        ERROR_MORE_DATA, ERROR_SERVICE_NOT_INSTALLED, ERROR_NO_BROWSER_SERVERS_FOUND,
    };

    static final String[] WINERR_MESSAGES = {

  private OAuthSessionFactory sessionFactory;

  /** Guarded by this. */
  private OAuthSession session;

  public SlackClient(SlackApi slackApi) {
    this.slackApi = slackApi;
  }

  /** Shows a browser URL to authorize this app to act as this user. */
  public void requestOauthSession(String scopes, String team) throws Exception {
    if (sessionFactory == null) {
      sessionFactory = new OAuthSessionFactory(slackApi);

    byte[] bytes = new byte[16];
    secureRandom.nextBytes(bytes);
    return ByteString.of(bytes);
  }

  private HttpUrl redirectUrl() {
    return mockWebServer.url("/oauth/");
  }

  /** When the browser hits the redirect URL, use the provided code to ask Slack for a session. */
  @Override public MockResponse dispatch(RecordedRequest request) {
    HttpUrl requestUrl = mockWebServer.url(request.getPath());

    assertFalse(Ascii.equalsIgnoreCase("@", "`"));
    assertFalse(Ascii.equalsIgnoreCase("[", "{"));
  }

  @GwtIncompatible // String.toUpperCase() has browser semantics
  public void testEqualsIgnoreCaseUnicodeEquivalence() {
    // Note that it's possible in future that the JDK's idea to toUpperCase() or equalsIgnoreCase()

    /**
     * Lookup <tt>hostname</tt> and return it's <tt>UniAddress</tt>. If the
     * <tt>possibleNTDomainOrWorkgroup</tt> parameter is <tt>true</tt> an
     * addtional name query will be performed to locate a master browser.
     */

    public static UniAddress getByName( String hostname,
                                        boolean possibleNTDomainOrWorkgroup )
                                        throws UnknownHostException {

    public static final int ERROR_NO_BROWSER_SERVERS_FOUND = 6118;

    static final int[] WINERR_CODES = {
        ERROR_SUCCESS,
        ERROR_ACCESS_DENIED,
        ERROR_REQ_NOT_ACCEP,
        ERROR_BAD_PIPE,
        ERROR_PIPE_BUSY,
        ERROR_NO_DATA,
        ERROR_PIPE_NOT_CONNECTED,
        ERROR_MORE_DATA,
        ERROR_NO_BROWSER_SERVERS_FOUND,
    };

        return getConfigs("smb1", "noUnicode", "forceUnicode", "noNTStatus", "noNTSmbs", "smb2", "smb30", "smb31");
    }


    @Ignore ( "This causes a connection to whatever local master browser is available, config may be incompatible with it" )
    @Test
    public void testBrowse () throws MalformedURLException, CIFSException {
        CIFSContext ctx = withAnonymousCredentials();

    // faster (and that's debatable), but definitely more memory-hungry. We're
    // choosing to turn .precomputed() into a no-op in GWT, because it doesn't
    // seem to be a worthwhile tradeoff in a browser.
    return matcher;
  }

  static String formatCompact4Digits(double value) {
    return "" + ((Number) (Object) value).toPrecision(4);
  }

  @JsMethod