private FieldRankSettings deriveFieldRankSettings(String fieldName) {
            FieldRankSettings settings = fieldRankSettings.get(fieldName);
            if (settings == null) {
                settings = new FieldRankSettings(fieldName);
                fieldRankSettings.put(fieldName, settings);
            }
            return settings;
        }
Adds the type boosts from a rank profile
config-model/src/main/java/com/yahoo/schema/derived/RawRankProfile.java