db.SetConnMaxLifetime(10 * time.Second)

			conn, err := db.conn(ctx, alwaysNewConn)
			if err != nil {
				t.Fatal(err)
			}

			afterPutConn := make(chan struct{})
			waitingForConn := make(chan struct{})

			go func() {
				defer close(afterPutConn)

				conn, err := db.conn(ctx, alwaysNewConn)
				if err == nil {
					db.putConn(conn, err, false)
				} else {

//     containers have failed health checks
func (kl *Kubelet) syncLoopIteration(ctx context.Context, configCh <-chan kubetypes.PodUpdate, handler SyncHandler,
	syncCh <-chan time.Time, housekeepingCh <-chan time.Time, plegCh <-chan *pleg.PodLifecycleEvent) bool {
	select {
	case u, open := <-configCh:
		// Update from a config source; dispatch it to the right handler
		// callback.

		expectedNewlyActiveUDPServices: map[proxy.ServicePortName]bool{},
		expectedLocalEndpoints:         map[types.NamespacedName]int{},
	}, {
		// Case[1]: no change, named port, local
		name:              "no change, named port, local",
		previousEndpoints: namedPortLocal,
		currentEndpoints:  namedPortLocal,
		oldEndpoints: map[proxy.ServicePortName][]endpointExpectation{

	assert.True(t, tc.statusUpdated, "the status should have been updated")
	if tc.verifyEvents {
		assert.Equal(t, tc.specReplicas != tc.expectedDesiredReplicas, tc.eventCreated, "an event should have been created only if we expected a change in replicas")
	}

	tc.verifyRecordedMetric(t, m)
}

func (c *minioBucketCollector) Describe(ch chan<- *prometheus.Desc) {
	ch <- c.desc
}

// Collect is called by the Prometheus registry when collecting metrics.
func (c *minioBucketCollector) Collect(out chan<- prometheus.Metric) {
	var wg sync.WaitGroup
	publish := func(in <-chan MetricV2) {
		defer wg.Done()
		for metric := range in {

		expectedNewlyActiveUDPServices: map[proxy.ServicePortName]bool{},
		expectedReadyEndpoints:         map[types.NamespacedName]int{},
	}, {
		// Case[1]: no change, named port, local
		name:              "no change, named port, local",
		previousEndpoints: namedPortLocal,
		currentEndpoints:  namedPortLocal,
		oldEndpoints: map[proxy.ServicePortName][]endpointExpectation{

		},
	}
	type dsUpdateTest struct {
		old            apps.DaemonSet
		update         apps.DaemonSet
		expectedErrNum int
	}
	successCases := map[string]dsUpdateTest{
		"no change": {
			old: apps.DaemonSet{
				ObjectMeta: metav1.ObjectMeta{Name: "abc", Namespace: metav1.NamespaceDefault},
				Spec: apps.DaemonSetSpec{
					Selector:           &metav1.LabelSelector{MatchLabels: validSelector},

  }

  /**
   * Computes the difference between two maps. This difference is an immutable snapshot of the state
   * of the maps at the time this method is called. It will never change, even if the maps change at
   * a later time.
   *
   * <p>Since this method uses {@code HashMap} instances internally, the keys of the supplied maps

  }

  /**
   * Computes the difference between two maps. This difference is an immutable snapshot of the state
   * of the maps at the time this method is called. It will never change, even if the maps change at
   * a later time.
   *
   * <p>Since this method uses {@code HashMap} instances internally, the keys of the supplied maps

// TODO(josh11b,mrry): Change Session to be able to use a Graph*
// directly, instead of requiring us to serialize to a GraphDef and
// call Session::Extend().
bool ExtendSessionGraphHelper(TF_Session* session, TF_Status* status) {
  if (session->graph != nullptr) {
    // Take the graph lock before the session lock to avoid deadlock. This is
    // safe since session->graph does not change.
    session->graph->mu.lock();