public static int compare(DiscoverabilityLevel a, DiscoverabilityLevel b) {
        int posA = Arrays.binarySearch(PRECEDENCE, a); 
        int posB = Arrays.binarySearch(PRECEDENCE, b);
        return Integer.compare(posA, posB);
    }
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manager/api/beans/src/main/java/io/apiman/manager/api/beans/idm/DiscoverabilityLevel.java