public Collection<RankProfile> all() {
        List<RankProfile> all = new ArrayList<>();
        for (var entry : rankProfiles.values()) {
            all.addAll(entry.values());
        }
        return all;
    }
Rank profiles that are collected across clusters.

@return a set of global {@link RankProfile} instances
config-model/src/main/java/com/yahoo/schema/RankProfileRegistry.java