code: public ArrayList<Long> serviceName_http_route_GET(String serviceName, Long frontendId) throws IOException {
  		String qPath = "/ipLoadbalancing/{serviceName}/http/route";
  		StringBuilder sb = path(qPath, serviceName);
  		query(sb, "frontendId", frontendId);
  		String resp = exec(qPath, "GET", sb.toString(), null);
  		return convertTo(resp, t2);
  	}
docs: HTTP routes for this iplb
  
  REST: GET /ipLoadbalancing/{serviceName}/http/route
  @param frontendId [required] Filter the value of frontendId property (=)
  @param serviceName [required] The internal name of your IP load balancing