@Override
    public UserContext redecorate(UserContext decorated, UserContext context,
            AuthenticatedUser authenticatedUser, Credentials credentials)
            throws GuacamoleException {
        return new TOTPUserContext(context);
    }
Creates a new TOTPAuthenticationProvider that verifies users using TOTP.

@throws GuacamoleException
    If a required property is missing, or an error occurs while parsing
    a property.
extensions/guacamole-auth-totp/src/main/java/org/apache/guacamole/auth/totp/TOTPAuthenticationProvider.java