// o is either a map already (string->object) or an arbitrary object,

// in which case its fields are converted into a map.

static Map<S, O> objectToMap_nonTransient(O o) {

  if (o == null) null;

  if (o instanceof Map) ret (Map) o;

  new HashMap<S, O> map;

  for (Field field : nonStaticNonTransientFieldObjects_cachedArray(o)) {

    O value = fieldGet(field, o);

    if (value != null)

      map.put(field.getName(), value);

  }

  // TODO: Should we drop fieldValues key from map?

  if (o cast DynamicObject)

    putAll(map, o.fieldValues);

  ret map;

}