}
            builder.properties(merged);
            builder.location(
                    "properties",
                    InputLocation.merge(
                            target.getLocation("properties"), source.getLocation("properties"), sourceDominant));
        }

        private void putAll(Map<String, String> s, Map<String, String> t, Object excludeKey) {
            for (Map.Entry<String, String> e : t.entrySet()) {