return true;
        }

        boolean newerThanAll = true;
        boolean olderThanAll = true;
        for (String validValue : validVersions) {
            final int comparison = compareModelVersions(validValue, string);
            newerThanAll = newerThanAll && comparison < 0;
            olderThanAll = olderThanAll && comparison > 0;
        }

        if (newerThanAll) {
            addViolation(