*
     * @param provider The provider whose value should be used when this provider has no value.
     * @since 5.6
     */
    Provider<T> orElse(Provider<? extends T> provider);

    /**
     * Deprecated. There is no need to use this method.
     *
     * @since 6.5
     * @deprecated Since version 7.4 this method does nothing. All providers can be used at configuration time without explicit opt-in.

- JobReadyPods graduates to Beta and it's enabled by default. ([#107476](https://github.com/kubernetes/kubernetes/pull/107476), [@alculquicondor](https://github.com/alculquicondor)) [SIG API Machinery, Apps and Testing]

### OpenStack

SIG-OpenStack updated the OpenStack provider to use newer APIs, consolidated community code into one repository, engaged with the Cloud Provider Working Group to have a consistent plan for moving provider code into individual repositories, improved testing of provider code, and strengthened ties with the OpenStack developer community.

### API-machinery

	containerStatsProvider containerStatsProvider,
) *Provider {
	return &Provider{
		cadvisor:               cadvisor,
		podManager:             podManager,
		runtimeCache:           runtimeCache,
		containerStatsProvider: containerStatsProvider,
	}
}

// Provider provides the stats of the node and the pod-managed containers.
type Provider struct {
	cadvisor     cadvisor.Interface
	podManager   PodManager

([#64706](https://github.com/kubernetes/kubernetes/pull/64706), [@liztio](https://github.com/liztio))

- Fix: ignore the case when updating Azure tags (#104686, @nilo19) [SIG Cloud Provider]
- Revert PR #102925 which introduced unexpected scheduling behavior based on balanced resource allocation (#105238, @damemi) [SIG Scheduling]
- Updates golang.org/x/text to v0.3.6 to fix CVE-2020-28852 (#102601, @jonesbr17) [SIG API Machinery, CLI, Cloud Provider, Cluster Lifecycle, Instrumentation, Node and Storage]

}

// A DockerConfigProvider that simply reads the .dockercfg file
type defaultDockerConfigProvider struct{}

// init registers our default provider, which simply reads the .dockercfg file.
func init() {
	RegisterCredentialProvider(".dockercfg",
		&CachingDockerConfigProvider{
			Provider: &defaultDockerConfigProvider{},
			Lifetime: 5 * time.Minute,
		})
}

// CachingDockerConfigProvider implements DockerConfigProvider by composing

 * <p>
 * A type can be marked {@link Consumer} or {@link Provider} but not both. A type is assumed to be
 * {@link Consumer} if it is not marked either {@link Consumer} or {@link Provider}.
 * <p>
 * A package can be marked {@link Provider}. In this case, all types in the package are considered
 * to be a provider type regardless of whether they are marked {@link Consumer} or {@link Provider}.
 *
 * @see Consumer
 * @since 4.0.0
 */

var (
	ErrNotImplemented     = errors.New("function not implemented")
	ErrAccessTokenExpired = errors.New("access_token expired or unauthorized")
)

// Provider implements identity provider specific admin operations, such as
// looking up users, fetching additional attributes etc.
type Provider interface {
	LoginWithUser(username, password string) error
	LoginWithClientID(clientID, clientSecret string) error
	LookupUser(userid string) (User, error)

	"k8s.io/klog/v2"
)

const maxProbeRetries = 3

// Prober helps to check the liveness/readiness/startup of a container.
type prober struct {
	exec   execprobe.Prober
	http   httpprobe.Prober
	tcp    tcpprobe.Prober
	grpc   grpcprobe.Prober
	runner kubecontainer.CommandRunner

	recorder record.EventRecorder
}

// NewProber creates a Prober, it takes a command runner and
// several container info managers.