apollo-portal/src/main/java/com/ctrip/framework/apollo/portal/api/AdminServiceAPI.java/AdminServiceAPI/getByReleasesNotIn
class AdminServiceAPI:    public List<InstanceDTO> getByReleasesNotIn(String appId, Env env, String clusterName, String namespaceName,
        Set<Long> releaseIds) {

      InstanceDTO[]
          instanceDTOs =
          restTemplate.get(env,
              "/instances/by-namespace-and-releases-not-in?appId={appId}&clusterName={clusterName}&namespaceName={namespaceName}&releaseIds={releaseIds}",
              InstanceDTO[].class, appId, clusterName, namespaceName, joiner.join(releaseIds));

      return Arrays.asList(instanceDTOs);
    }