code: public OvhOrder dedicated_nasha_new_duration_GET(String duration, OvhNasHAZoneEnum datacenter, OvhNasHAOfferEnum model) throws IOException {
  		String qPath = "/order/dedicated/nasha/new/{duration}";
  		StringBuilder sb = path(qPath, duration);
  		query(sb, "datacenter", datacenter);
  		query(sb, "model", model);
  		String resp = exec(qPath, "GET", sb.toString(), null);
  		return convertTo(resp, OvhOrder.class);
  	}
docs: Get prices and contracts information
  
  REST: GET /order/dedicated/nasha/new/{duration}
  @param datacenter [required] Nas HA localization
  @param model [required] Capacity of Nas HA offer
  @param duration [required] Duration