code: public OvhOrder hosting_web_serviceName_changeMainDomain_duration_GET(String serviceName, String duration, String domain, OvhMxPlanEnum mxplan) throws IOException {
  		String qPath = "/order/hosting/web/{serviceName}/changeMainDomain/{duration}";
  		StringBuilder sb = path(qPath, serviceName, duration);
  		query(sb, "domain", domain);
  		query(sb, "mxplan", mxplan);
  		String resp = exec(qPath, "GET", sb.toString(), null);
  		return convertTo(resp, OvhOrder.class);
  	}
docs: Get prices and contracts information
  
  REST: GET /order/hosting/web/{serviceName}/changeMainDomain/{duration}
  @param domain [required] New domain for change the main domain
  @param mxplan [required] MX plan linked to the odl main domain
  @param serviceName [required] The internal name of your hosting
  @param duration [required] Duration