if (ctxFlags != 0) {
                fields.add(new DERTaggedObject(true, 1, new DERBitString(ctxFlags)));
            }
            final byte[] mechanismToken = getMechanismToken();
            if (mechanismToken != null) {
                fields.add(new DERTaggedObject(true, 2, new DEROctetString(mechanismToken)));
            }
            final byte[] mechanismListMIC = getMechanismListMIC();

        assertArrayEquals(mechs, parsed.getMechanisms(), "Mechanism OIDs should round-trip");
        assertEquals(flags, parsed.getContextFlags(), "Flags should round-trip");
        assertArrayEquals(mechToken, parsed.getMechanismToken(), "Mechanism token should round-trip");
        assertArrayEquals(mic, parsed.getMechanismListMIC(), "MIC should round-trip");

        assertTrue(parsed.getContextFlag(NegTokenInit.DELEGATION));

            }
            inputToken = targ.getMechanismToken();
        } else {
            throw new SmbException("Invalid token");
        }

        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