public Map<String, RankFeatureNormalizer> getFeatureNormalizers() {
        Map<String, RankFeatureNormalizer> all = new LinkedHashMap<>();
        for (var inheritedProfile : inherited()) {
            all.putAll(inheritedProfile.getFeatureNormalizers());
        }
        for (var n : featureNormalizers) {
            all.put(n.name(), n);
        }
        return all;
    }
Returns the path type, if valuePath is set.
config-model/src/main/java/com/yahoo/schema/RankProfile.java