limitations under the License.
*/

// Package options provides the flags used for the controller manager.
package options

import (
	"fmt"
	"net"

	v1 "k8s.io/api/core/v1"
	utilerrors "k8s.io/apimachinery/pkg/util/errors"
	apiserveroptions "k8s.io/apiserver/pkg/server/options"
	utilfeature "k8s.io/apiserver/pkg/util/feature"
	clientset "k8s.io/client-go/kubernetes"

	"k8s.io/apiserver/pkg/storage/storagebackend"
	flowcontrolrequest "k8s.io/apiserver/pkg/util/flowcontrol/request"
	"k8s.io/client-go/tools/cache"
)

// RESTOptions is set of resource-specific configuration options to generic registries.
type RESTOptions struct {
	StorageConfig *storagebackend.ConfigForResource
	Decorator     StorageDecorator

	EnableGarbageCollection   bool
	DeleteCollectionWorkers   int

 */
@DoNotMock("Use Optional.of(value) or Optional.absent()")
@GwtCompatible(serializable = true)
@ElementTypesAreNonnullByDefault
public abstract class Optional<T> implements Serializable {
  /**
   * Returns an {@code Optional} instance with no contained reference.
   *
   * <p><b>Comparison to {@code java.util.Optional}:</b> this method is equivalent to Java 8's
   * {@code Optional.empty}.
   */
  public static <T> Optional<T> absent() {

WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

package options

import (
	"net"

	utilnet "k8s.io/apimachinery/pkg/util/net"
	netutils "k8s.io/utils/net"
)

// DefaultServiceNodePortRange is the default port range for NodePort services.

import (
	"k8s.io/client-go/tools/clientcmd"

	"istio.io/istio/istioctl/pkg/cli"
)

const (
	clusterNameAnnotationKey = "networking.istio.io/cluster"
)

// KubeOptions contains kubernetes options common to all commands.
type KubeOptions struct {
	Kubeconfig string
	Context    string
	Namespace  string
}

// Inherit the common kubernetes flags defined in the root package. This is a bit of a hack,

WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

package options

import (
	"time"

	"github.com/spf13/pflag"
)

// VolumeConfigFlags is used to bind CLI flags to variables.  This top-level struct contains *all* enumerated

 * </p>
 * <p>
 * When the option names are unequal, the order described above is used when setting the option's value.
 * If the base class has an option with the name "foo" and an interface has an option with the name "bar",
 * the option "foo" will have precedence over the option "bar" and setting both will result in the value of "foo".
 * </p>
 * <p>
 * <strong>

 */
@DoNotMock("Use Optional.of(value) or Optional.absent()")
@GwtCompatible(serializable = true)
@ElementTypesAreNonnullByDefault
public abstract class Optional<T> implements Serializable {
  /**
   * Returns an {@code Optional} instance with no contained reference.
   *
   * <p><b>Comparison to {@code java.util.Optional}:</b> this method is equivalent to Java 8's
   * {@code Optional.empty}.
   */
  public static <T> Optional<T> absent() {

// Option is a strategy for updating Options.
type Option interface {
	// Set this option on the provided Options
	Set(*Options)
}

// OptionFunc is a function-based Option.
type OptionFunc func(*Options)

// Set just invokes this function to update the Options.
func (f OptionFunc) Set(opts *Options) {
	f(opts)
}

// NoCleanup is an Option that disables config cleanup.

// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package options

import (
	"path/filepath"
	"time"

	"istio.io/istio/pilot/cmd/pilot-agent/status"
	"istio.io/istio/pkg/config/constants"
	"istio.io/istio/pkg/env"
	"istio.io/istio/pkg/jwt"
	"istio.io/istio/pkg/security"