for (let i = 0; i < entries.length; i++) {
        entries[i].Id = 'node' + i;
      }

      // Which column are we currently sorted by and in what order?
      let currentColumn = '';
      let descending = false;
      sortBy('Flat');

      function sortBy(column) {
        // Update sort criteria
        if (column == currentColumn) {
          descending = !descending; // Reverse order
        } else {

	}
	// We need to pass in a sorter, and the one used by `kubectl logs` is good enough.
	sortBy := func(pods []*corev1.Pod) sort.Interface { return podutils.ByLogging(pods) }
	timeout := 2 * time.Second
	if getFirstPodFunc == nil {
		getFirstPodFunc = polymorphichelpers.GetFirstPod
	}
	pod, _, err := getFirstPodFunc(client, namespace, selector, timeout, sortBy)
	if err != nil {

	c1.Set(&Named{"c1", "b"})
	assert.EventuallyEqual(t, last.Load, "c1/b")
	// ordered by c1, c2, c3
	sortf := func(a Named) string {
		return a.ResourceName()
	}
	assert.Equal(
		t,
		slices.SortBy(j.List(), sortf),
		slices.SortBy([]Named{
			{"c1", "b"},
			{"c2", "a"},
			{"c3", "a"},
		}, sortf),
	)
}

func TestCollectionJoin(t *testing.T) {
	c := kube.NewFakeClient()

		pods := krt.Fetch(ctx, SimplePods, krt.FilterIndex(IPIndex, "1.2.3.5"))
		names := slices.Sort(slices.Map(pods, SimplePod.ResourceName))
		return ptr.Of(strings.Join(names, ","))
	})
	Collection.AsCollection().Synced().WaitUntilSynced(stop)
	fetchSorted := func(ip string) []SimplePod {
		return slices.SortBy(IPIndex.Lookup(ip), func(t SimplePod) string {
			return t.ResourceName()
		})
	}

type PrintOptions struct {
	NoHeaders     bool
	WithNamespace bool
	WithKind      bool
	Wide          bool
	ShowLabels    bool
	Kind          schema.GroupKind
	ColumnLabels  []string

	SortBy string

	// indicates if it is OK to ignore missing keys for rendering an output template.
	AllowMissingKeys bool

	cmt.Update(cmA2)
	tt.WaitOrdered("update/ns/a")
	assert.Equal(t, ConfigMaps.List(), []*corev1.ConfigMap{cmA2})

	cmt.Create(cmB)
	tt.WaitOrdered("add/ns/b")
	assert.Equal(t, slices.SortBy(ConfigMaps.List(), func(a *corev1.ConfigMap) string { return a.Name }), []*corev1.ConfigMap{cmA2, cmB})

	assert.Equal(t, ConfigMaps.GetKey("ns/b"), &cmB)
	assert.Equal(t, ConfigMaps.GetKey("ns/a"), &cmA2)

	if len(x) <= 1 {
		return x
	}
	slices.SortStableFunc(x, less)
	return x
}

// SortBy is a helper to sort a slice by some value. Typically, this would be sorting a struct
// by a single field. If you need to have multiple fields, see the ExampleSort.
func SortBy[E any, A constraints.Ordered](x []E, extract func(a E) A) []E {
	if len(x) <= 1 {
		return x
	}
	SortFunc(x, func(a, b E) int {

                        withIndent { appendLine(it) }
                    }
                }
            }
        }

        scope.getPackageSymbols()
            .toMutableList()
            .apply { sortBy { it.fqName.asString() } }
            .renderAll("packages") { prettyRenderPackage(it) }
        scope.getClassifierSymbols().toList().renderAll("classifiers") { prettyRenderDeclaration(it) }

				return nil, fmt.Errorf("unexpected request")
			}
		}),
	}
	getFirstPodFunc = func(client corev1client.PodsGetter, namespace string, selector string, timeout time.Duration, sortBy func([]*corev1.Pod) sort.Interface) (
		*corev1.Pod, int, error,
	) {
		return attachPod(namespace), 1, nil
	}
	for _, tt := range tests {
		t.Run(strings.Split(tt.name, ".")[0], func(t *testing.T) {

}

// ExportMetricDefinitions reports all currently registered metric definitions.
func ExportMetricDefinitions() []MetricDefinition {
	knownMetrics.mu.Lock()
	defer knownMetrics.mu.Unlock()
	return slices.SortBy(maps.Values(knownMetrics.known), func(a MetricDefinition) string {
		return a.Name
	})
}

// register records a newly defined metric. Only valid before an exporter is set.