code: public OvhOrder license_windows_serviceName_upgrade_duration_POST(String serviceName, String duration, OvhWindowsSqlVersionEnum sqlVersion, OvhWindowsOsVersionEnum version) throws IOException {
  		String qPath = "/order/license/windows/{serviceName}/upgrade/{duration}";
  		StringBuilder sb = path(qPath, serviceName, duration);
  		HashMap<String, Object>o = new HashMap<String, Object>();
  		addBody(o, "sqlVersion", sqlVersion);
  		addBody(o, "version", version);
  		String resp = exec(qPath, "POST", sb.toString(), o);
  		return convertTo(resp, OvhOrder.class);
  	}
docs: Create order
  
  REST: POST /order/license/windows/{serviceName}/upgrade/{duration}
  @param version [required] The windows version you want to enable on your windows license
  @param sqlVersion [required] The SQL Server version to enable on this license Windows license
  @param serviceName [required] The name of your Windows license
  @param duration [required] Duration