return columnMap().keySet();
  }

  @Override
  public boolean containsValue(@Nullable Object value) {
    for (Map<C, V> row : rowMap().values()) {
      if (row.containsValue(value)) {
        return true;
      }
    }
    return false;
  }

  @Override
  public boolean contains(@Nullable Object rowKey, @Nullable Object columnKey) {
    Map<C, V> row = safeGet(rowMap(), rowKey);

            throwValidationErrorApi(messages -> messages.addErrorsCrudFailedToCreateInstance(GLOBAL));
            return null;
        });
        return asJson(new ApiUpdateResponse().id(accessToken.getId()).created(true).status(Status.OK).result());
    }

    // PUT /api/admin/accesstoken/setting
    /**
     * Updates an existing access token setting.
     *

  @DoNotCall("Always throws UnsupportedOperationException")
  public final boolean remove(@Nullable Object key, @Nullable Object value) {
    throw new UnsupportedOperationException();
  }

  /**
   * Returns {@code true} if this immutable multimap's implementation contains references to
   * user-created objects that aren't accessible via this multimap's methods. This is generally used

     *
     * @param ldapUser the LDAP user to check
     * @return true if empty permissions are allowed, false otherwise
     */
    protected boolean allowEmptyGroupAndRole(final LdapUser ldapUser) {
        if (fessConfig.isLdapAllowEmptyPermission()) {
            return true;
        }

        final SystemHelper systemHelper = ComponentUtil.getSystemHelper();

    }

    /**
     * Determines if the given document data matches the configured match expression.
     *
     * @param map the document data as a map of field names to values
     * @return true if the document matches the expression, false otherwise
     */
    public boolean match(final Map<String, Object> map) {

        if (map == null || map.isEmpty() || matchExpression == null) {
            return false;

     */
    public SsoManager() {
        // Default constructor
    }

    /**
     * Checks whether SSO authentication is available and configured.
     *
     * @return true if SSO is configured and available, false otherwise
     */
    public boolean available() {
        final String ssoType = getSsoType();
        if (logger.isDebugEnabled()) {

      chunk = max(1, min(chunk, input.length()));
      assertEquals(expectProcess, bufferHelper(input, chunk));
      assertEquals(expectRead, readUsingJava(input, chunk));
      assertEquals(expectRead, readUsingReader(input, chunk, true));
      assertEquals(expectRead, readUsingReader(input, chunk, false));
    }
  }

  private static List<String> bufferHelper(String input, int chunk) throws IOException {
    List<String> lines = new ArrayList<>();

     *
     * @return whether the transport has been disconnected
     */
    boolean isDisconnected();

    /**
     * Disconnects the transport from the remote server.
     *
     * @param hard if true, force immediate disconnection
     * @param inuse whether the connection is currently in use
     * @return whether the connection was in use
     * @throws IOException if an I/O error occurs during disconnection
     */

    }

    /**
     * Sets or clears the specified flag.
     *
     * @param flag The flag to set/clear (i.e.,
     * <code>NTLMSSP_NEGOTIATE_OEM</code>).
     * @param value Indicates whether to set (<code>true</code>) or
     * clear (<code>false</code>) the specified flag.
     */
    public void setFlag(final int flag, final boolean value) {
        setFlags(value ? getFlags() | flag : getFlags() & (0xffffffff ^ flag));
    }

        final int interval = ComponentUtil.getFessConfig().getLogNotificationFlushIntervalAsInteger();
        timeoutTask = TimeoutManager.getInstance().addTimeoutTarget(logNotificationTarget, interval, true);
    }

    /**
     * Stops the log notification timer and performs a final flush.
     */
    @PreDestroy
    public void destroy() {
        if (timeoutTask != null) {
            timeoutTask.cancel();