/**
     * Adds a repository to use for subsequent resolution requests. The order in which repositories are added matters,
     * repositories that were added first should also be searched first. When multiple repositories with the same
     * identifier are added, only the first repository being added will be used.
     *
     * @param repository The repository to add to the internal search chain, must not be {@code null}.

	PodUpdate = "PodUpdate"
)

var (
	// AssignedPodAdd is the event when a pod is added that causes pods with matching affinity terms
	// to be more schedulable.
	AssignedPodAdd = framework.ClusterEvent{Resource: framework.Pod, ActionType: framework.Add, Label: "AssignedPodAdd"}
	// NodeAdd is the event when a new node is added to the cluster.

	mu      sync.Mutex
	added   map[T]bool // items added to set
	todo    []T        // items yet to be run
	wait    sync.Cond  // wait when todo is empty
	waiting int        // number of runners waiting for todo
}

func (w *Work[T]) init() {
	if w.added == nil {
		w.added = make(map[T]bool)
	}
}

// Add adds item to the work set, if it hasn't already been added.
func (w *Work[T]) Add(item T) {
	w.mu.Lock()

  namespace: default
spec:
  gateways:
  - istio-system/gateway-istio-autogenerated-k8s-gateway-default
  hosts:
  - first.domain.example
  http:
  - headers:
      request:
        add:
          my-added-header: added-value
        remove:
        - my-removed-header
    match:
    - headers:
        my-header:
          exact: some-value
      uri:
        prefix: /foo/
    name: default.grpc.0
    route:

	steps := []struct {
		added   *v1.ConfigMap
		updated *v1.ConfigMap
		deleted *v1.ConfigMap
	}{
		{added: cm},

		// Handle misconfiguration errors.
		{updated: badCM},
		{updated: cm},
		{updated: badCM2},
		{updated: badCM},
		{updated: cm},
		{updated: badCM3},
		{updated: cm},

		// Handle deletion.
		{deleted: cm},
		{added: cm},
	}

	for i, step := range steps {

  hosts:
  - first.domain.example
  http:
  - headers:
      request:
        add:
          my-added-header: added-value
        remove:
        - my-removed-header
      response:
        add:
          my-added-resp-header: added-resp-value
        remove:
        - my-removed-header
    match:
    - headers:
        my-header:
          exact: some-value
      uri:

	cm1 := makeConfigMap(configMapName, "2")
	cm2 := makeConfigMap("not-watched", "1")
	steps := []struct {
		added        *v1.ConfigMap
		updated      *v1.ConfigMap
		deleted      *v1.ConfigMap
		expectCalled bool
		expectCM     *v1.ConfigMap
	}{
		{added: cm2},
		{added: cm, expectCalled: true, expectCM: cm},
		{updated: cm},
		{updated: cm1, expectCalled: true, expectCM: cm1},

# - feature -- Used to specify a new feature that has been added.
# - test -- Used to describe additional testing added. This file is optional for
#   tests, but included for completeness.
kind: feature
area: traffic-management

# releaseNotes is a markdown listing of any user facing changes. This will appear in the
# release notes.
releaseNotes:
- |

 * that every {@code Runnable} that is {@linkplain #add added} will be executed after {@link
 * #execute()} is called. Any {@code Runnable} added after the call to {@code execute} is still
 * guaranteed to execute. There is no guarantee, however, that listeners will be executed in the
 * order that they are added.
 *
 * <p>Exceptions thrown by a listener will be propagated up to the executor. Any exception thrown

Before OpenAPI 3.1.0, OpenAPI used an older and modified version of **JSON Schema**.

JSON Schema didn't have `examples`, so OpenAPI added it's own `example` field to its own modified version.

OpenAPI also added `example` and `examples` fields to other parts of the specification: