NegTokenTarg token = new NegTokenTarg();
        token.setResult(NegTokenTarg.ACCEPT_INCOMPLETE);
        // mechanism, token and mic are left null

        byte[] bytes = token.toByteArray();
        NegTokenTarg parsed = new NegTokenTarg(bytes);

        assertEquals(NegTokenTarg.ACCEPT_INCOMPLETE, parsed.getResult(), "result should be present");

     */
    public static final int ACCEPT_COMPLETED = 0;
    /**
     * Result code indicating authentication is incomplete and additional tokens required
     */
    public static final int ACCEPT_INCOMPLETE = 1;
    /**
     * Result code indicating authentication was rejected
     */
    public static final int REJECTED = 2;
    /**
     * Result code indicating MIC token is requested
     */

        if (spToken instanceof final NegTokenTarg targ && this.mechContext.isEstablished()) {
            // already established, but server hasn't completed yet
            if (targ.getResult() == NegTokenTarg.ACCEPT_INCOMPLETE && targ.getMechanismToken() == null
                    && targ.getMechanismListMIC() != null) {
                // this indicates that mechlistMIC is required by the server