}

type instance struct {
	// clients are cached clients for each revision
	clients map[string]kube.CLIClient
	// remoteClients are cached clients for each context with empty revision.
	remoteClients map[string]kube.CLIClient
	RootFlags
}

func newKubeClientWithRevision(kubeconfig, configContext, revision string, impersonateConfig rest.ImpersonationConfig) (kube.CLIClient, error) {

		return nil, err
	}
	clients := []*Client{
		{
			client: client,
			remote: false,
		},
	}
	if len(remoteContexts) > 0 {
		remoteClients, err := getClientsFromContexts(ctx)
		if err != nil {
			return nil, err
		}
		clients = append(clients, remoteClients...)
		return clients, nil
	}
	secrets, err := client.Kube().CoreV1().Secrets(ctx.IstioNamespace()).List(context.Background(), metav1.ListOptions{

	}
	return r, err
}

// RemoteClient contains information about the caller.
type RemoteClient struct {
	Name string
}

type (
	ctxCallerKey   = struct{}
	ctxSubrouteKey = struct{}
)

// GetCaller returns caller information from contexts provided to handlers.
func GetCaller(ctx context.Context) *RemoteClient {
	val, _ := ctx.Value(ctxCallerKey{}).(*RemoteClient)
	return val
}

	// Holding the lock allows safe reads of State, and guarantees that changes will be detected.
	connChange *sync.Cond
	handlers   *handlers

	remote             *RemoteClient
	clientPingInterval time.Duration
	connPingInterval   time.Duration
	blockConnect       chan struct{}

	incomingBytes func(n int64) // Record incoming bytes.
	outgoingBytes func(n int64) // Record outgoing bytes.