startTime := time.Now()
		txnResp, err := s.client.KV.Txn(ctx).If(
			clientv3.Compare(clientv3.ModRevision(key), "=", origState.rev),
		).Then(
			clientv3.OpDelete(key),
		).Else(
			clientv3.OpGet(key),
		).Commit()
		metrics.RecordEtcdRequest("delete", s.groupResourceString, err, startTime)
		if err != nil {
			return err
		}
		if !txnResp.Succeeded {

*/

package fixtures

import (
	"context"
	"encoding/json"
	"path"

	clientv3 "go.etcd.io/etcd/client/v3"
	apiextensionsv1 "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1"
	apiextensionsv1beta1 "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1beta1"
	"k8s.io/apiextensions-apiserver/pkg/client/clientset/clientset"
	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"

	Enabled     bool   `json:"enabled"`
	PathPrefix  string `json:"pathPrefix"`
	CoreDNSPath string `json:"coreDNSPath"`
	clientv3.Config
}

// New - initialize new etcd client.
func New(cfg Config) (*clientv3.Client, error) {
	if !cfg.Enabled {
		return nil, nil
	}
	cli, err := clientv3.New(cfg.Config)
	if err != nil {
		return nil, err
	}
	cli.KV = namespace.NewKV(cli.KV, cfg.PathPrefix)

			e.isInitialEventsEndBookmark = true
			return e
		}())
	}
	opts := []clientv3.OpOption{clientv3.WithRev(wc.initialRev + 1), clientv3.WithPrevKV()}
	if wc.recursive {
		opts = append(opts, clientv3.WithPrefix())
	}
	if wc.progressNotify {
		opts = append(opts, clientv3.WithProgressNotify())
	}
	wch := wc.watcher.client.Watch(wc.ctx, wc.key, opts...)
	for wres := range wch {
		if wres.Err() != nil {

See the License for the specific language governing permissions and
limitations under the License.
*/

package etcd3

import (
	"fmt"
	"go.etcd.io/etcd/api/v3/mvccpb"
	clientv3 "go.etcd.io/etcd/client/v3"
)

type event struct {
	key              string
	value            []byte
	prevValue        []byte
	rev              int64
	isDeleted        bool
	isCreated        bool

type CoreDNS struct {
	domainNames []string
	domainIPs   set.StringSet
	domainPort  string
	prefixPath  string
	etcdClient  *clientv3.Client
}

// EtcdOption - functional options pattern style
type EtcdOption func(*CoreDNS)

// DomainNames set a list of domain names used by this CoreDNS
// client setting, note this will fail if set to empty when
// constructor initializes.
func DomainNames(domainNames []string) EtcdOption {

	getReactors []func()
}

func newEtcdClientKVWrapper(kv clientv3.KV) *etcdClientKVWrapper {
	return &etcdClientKVWrapper{
		KV:             kv,
		getCallCounter: 0,
	}
}

func (ecw *etcdClientKVWrapper) Get(ctx context.Context, key string, opts ...clientv3.OpOption) (*clientv3.GetResponse, error) {
	resp, err := ecw.KV.Get(ctx, key, opts...)
	ecw.getCallCounter++
	if err != nil {

*/

package testing

import (
	"testing"

	clientv3 "go.etcd.io/etcd/client/v3"

	"k8s.io/apiserver/pkg/storage/etcd3/testserver"
	"k8s.io/apiserver/pkg/storage/storagebackend"
)

// EtcdTestServer encapsulates the datastructures needed to start local instance for testing
type EtcdTestServer struct {
	V3Client *clientv3.Client
}

func (e *EtcdTestServer) Terminate(t *testing.T) {

*/

package fixtures

import (
	"os"
	"strings"
	"time"

	"github.com/google/uuid"
	"go.etcd.io/etcd/client/pkg/v3/transport"
	clientv3 "go.etcd.io/etcd/client/v3"
	"google.golang.org/grpc"

	"k8s.io/apiextensions-apiserver/pkg/apiserver"
	"k8s.io/apiextensions-apiserver/pkg/client/clientset/clientset"
	serveroptions "k8s.io/apiextensions-apiserver/pkg/cmd/server/options"

				{endpointsVersion: []mockEndpointVersion{
					{Version: "3.5.14", Endpoint: "localhost:2391"}},
					expectedResult: true}},
		},
		{
			testName: "Disabled - enabled success on first client, error on second client, disabled success on third client",
			rounds: []testCase{
				{endpointsVersion: []mockEndpointVersion{
					{Version: "3.6.0", Endpoint: "localhost:2390"}},
					expectedResult: true,
				},