code: public OvhOrder license_virtuozzo_serviceName_upgrade_duration_GET(String serviceName, String duration, OvhOrderableVirtuozzoContainerNumberEnum containerNumber) throws IOException {
  		String qPath = "/order/license/virtuozzo/{serviceName}/upgrade/{duration}";
  		StringBuilder sb = path(qPath, serviceName, duration);
  		query(sb, "containerNumber", containerNumber);
  		String resp = exec(qPath, "GET", sb.toString(), null);
  		return convertTo(resp, OvhOrder.class);
  	}
docs: Get prices and contracts information
  
  REST: GET /order/license/virtuozzo/{serviceName}/upgrade/{duration}
  @param containerNumber [required] How much container is this license able to manage ...
  @param serviceName [required] The name of your Virtuozzo license
  @param duration [required] Duration