public List<VespaService> getInstancesById(String id) {
        List<VespaService> myServices = new ArrayList<>();
        for (VespaService s : services) {
            if (s.getConfigId().equals(id)) {
                myServices.add(s);
            }
        }

        return myServices;
    }
@param id The configid
@return A list with size 1 as there should only be one service with the given configid
metrics-proxy/src/main/java/ai/vespa/metricsproxy/service/VespaServices.java