private static Map<String, Object> canonicalizeMap(final Map<String, Object> from) {
final Map<String, Object> canonicalized = new LinkedHashMap<String, Object>(from.size());
final TreeSet<String> keysInOrder = new TreeSet<String>(from.keySet());
for (final String key : keysInOrder) {
final Object val = from.get(key);
canonicalized.put(key, canonicalize(val));
}
return canonicalized;
}
