docs: public URIBuilder appendDateTime(URIBuilder builder, Interval<DateUnit> dateInterval, Interval<TimeUnit> timeInterval) {
  		if (dateInterval != null || timeInterval != null) {
  			ObjectNode dateTimeNode = new ObjectMapper().createObjectNode();
  			if (dateInterval != null) {
  				dateTimeNode.setAll(dateInterval.toJson());
  			}
  			if (timeInterval != null) {
  				dateTimeNode.setAll(timeInterval.toJson());
  			}
  			builder.addParameter("dateTimeDefinition", dateTimeNode.toString());
  		}
  		return builder;
  	}