docs: public static void rename(ObjectNode obj, String oldFieldName, String newFieldName) {
  		if (obj != null && isNotBlank(oldFieldName) && isNotBlank(newFieldName)) {
  			JsonNode node = remove(obj, oldFieldName);
  			if (node != null) {
  				obj.set(newFieldName, node);
  			}
  		}
  	}