AttributeDescriber describer
    ) {
        formatter.node("Variant '");
        formatter.append(assessedCandidate.getDisplayName());
        formatter.append("'");
        formatAttributeMatchesForIncompatibility(assessedCandidate, formatter, describer);
    }

    private enum FailureSubType {
        NO_VARIANTS_EXIST,
        NO_VARIANTS_HAVE_ATTRIBUTES,
        NO_VARIANT_MATCHES_REQUESTED_ATTRIBUTES;