code: public ArrayList<String> dedicated_server_serviceName_traffic_GET(String serviceName, OvhTrafficOrderEnum traffic) throws IOException {
  		String qPath = "/order/dedicated/server/{serviceName}/traffic";
  		StringBuilder sb = path(qPath, serviceName);
  		query(sb, "traffic", traffic);
  		String resp = exec(qPath, "GET", sb.toString(), null);
  		return convertTo(resp, t1);
  	}
docs: Get allowed durations for 'traffic' option
  
  REST: GET /order/dedicated/server/{serviceName}/traffic
  @param traffic [required] amount of traffic to allocate
  @param serviceName [required] The internal name of your dedicated server