}
        if (remaining.cardinality() > 1) {
            disambiguateWithRequestedAttributeKeys(extraAttributes);
        }
        return remaining.cardinality() == 0 ? getCandidates(compatible) : getCandidates(remaining);
    }

    private void disambiguateWithRequestedAttributeKeys(Attribute<?>[] extraAttributes) {
        if (requestedAttributes.isEmpty()) {
            return;