final ASN1ObjectIdentifier spnego = (ASN1ObjectIdentifier) vec.getObjectAt(0);
            if (!SPNEGO_OID.equals(spnego)) {
                throw new IOException("Malformed SPNEGO token, OID " + spnego);
            }
            ASN1TaggedObject tagged = (ASN1TaggedObject) vec.getObjectAt(1);
            if (tagged.getTagNo() != 0) {

            assertEquals(2, seq.size(), "Sequence should contain OID and [0] NegTokenInit");
            assertTrue(seq.getObjectAt(0) instanceof ASN1ObjectIdentifier, "First element should be OID");
            ASN1ObjectIdentifier oid = (ASN1ObjectIdentifier) seq.getObjectAt(0);
            assertEquals(SPNEGO_OID_STR, oid.getId(), "OID should be SPNEGO");
        }
    }

    @Nested

     */
    public static <T extends ASN1Primitive> T as(final Class<T> type, final ASN1Sequence sequence, final int index)
            throws PACDecodingException {
        return as(type, sequence.getObjectAt(index));
    }

    /**
     * Read a tagged object without parsing it's contents
     *
     * BC no longer seems to allow that out of the box
     *
     * @param expectTag the expected tag number