//
// Plugins that make pod unschedulable (PreEnqueue, PreFilter, Filter, Reserve, and Permit plugins) should implement this interface,
// otherwise the default implementation will be used, which is less efficient in requeueing Pods rejected by the plugin.
// And, if plugins other than above extension points support this interface, they are just ignored.
type EnqueueExtensions interface {
	Plugin

	// Routing for a Service. Well known values are "Auto" and "Disabled".
	// Implementations may choose to develop new topology approaches, exposing
	// them with domain-prefixed values. For example, "example.com/lowest-rtt"
	// could be a valid implementation-specific value for this annotation. These
	// heuristics will often populate topology hints on EndpointSlices, but that

		if err == nil {
			t.Errorf("expected error, got: %v", err)
		}
	})
}

type cacheSyncWaiterStub struct {
	startedByInformerType map[reflect.Type]bool
}

// WaitForCacheSync is a stub implementation of the corresponding func
// that simply returns the value passed during stub initialization.
func (s cacheSyncWaiterStub) WaitForCacheSync(_ <-chan struct{}) map[reflect.Type]bool {
	return s.startedByInformerType
}

}

func (s *storageLeases) Destroy() {
	s.destroyFn()
}

// NewLeases creates a new etcd-based Leases implementation.
func NewLeases(config *storagebackend.ConfigForResource, baseKey string, leaseTime time.Duration) (Leases, error) {
	// note that newFunc, newListFunc and resourcePrefix

	// UnhealthyPodEvictionPolicy defines the criteria for when unhealthy pods
	// should be considered for eviction. Current implementation considers healthy pods,
	// as pods that have status.conditions item with type="Ready",status="True".
	//
	// Valid policies are IfHealthyBudget and AlwaysAllow.

func Register(plugins *admission.Plugins) {
	plugins.Register(PluginName, func(config io.Reader) (admission.Interface, error) {
		return NewRuntimeClass(), nil
	})
}

// RuntimeClass is an implementation of admission.Interface.
// It looks at all new pods and sets pod.Spec.Overhead if a RuntimeClass is specified which
// defines an Overhead. If pod.Spec.Overhead is set but a RuntimeClass with matching overhead is

// copied over.
//
// The source of events for the interval is typically either
// the watchCache circular buffer, if events being retrieved
// need to be for resource versions > 0 or the underlying
// implementation of Store, if resource version = 0.
//
// Furthermore, an interval can be either valid or invalid at
// any given point of time. The notion of validity makes sense
// only in cases where the window of events in the underlying

resources. The scheduler then ranks each valid Node and binds the Pod to a
suitable Node. Multiple different schedulers may be used within a cluster;
kube-scheduler is the reference implementation.
See [scheduling](https://kubernetes.io/docs/concepts/scheduling-eviction/)
for more information about scheduling and the kube-scheduler component.`,
		RunE: func(cmd *cobra.Command, args []string) error {

		dialer = &net.Dialer{
			Timeout: 30 * time.Second,
		}
	}

	proxyDialer, err := proxy.SOCKS5("tcp", proxyDialAddr, auth, dialer)
	if err != nil {
		return nil, err
	}

	// According to the implementation of proxy.SOCKS5, the type assertion will always succeed
	contextDialer, ok := proxyDialer.(proxy.ContextDialer)
	if !ok {
		return nil, errors.New("SOCKS5 Dialer must implement ContextDialer")
	}

// as an interface to allow for extensions that provide different semantics. Currently, there is only one implementation.
type StatefulSetControlInterface interface {
	// UpdateStatefulSet implements the control logic for Pod creation, update, and deletion, and
	// persistent volume creation, update, and deletion.
	// If an implementation returns a non-nil error, the invocation will be retried using a rate-limited strategy.