"istio.io/istio/pkg/test/framework/components/cluster/kube"
	"istio.io/istio/pkg/test/framework/config"
	"istio.io/istio/pkg/test/framework/resource"
	"istio.io/istio/pkg/test/scopes"
)

// Environment is the implementation of a kubernetes environment. It implements environment.Environment,
// and also hosts publicly accessible methods that are specific to cluster environment.
type Environment struct {
	id       resource.ID

			return nil, fmt.Errorf("unable to listen on socket: %v", err)
		}
	}

	// NOTE: this is a temporary solution to provide bare-bones debug functionality
	// for pilot. a full design / implementation of self-monitoring and reporting
	// is coming. that design will include proper coverage of statusz/healthz type
	// functionality, in addition to how pilot reports its own metrics.
	if err := addMonitor(mux); err != nil {

// 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.

// An example implementation of a CSR Controller.
package csrctrl

import (
	"fmt"
	"strings"
	"time"

	certv1 "k8s.io/api/certificates/v1"
	"k8s.io/apimachinery/pkg/types"

	"istio.io/istio/pkg/kube"

	"path/filepath"
	"strings"

	"istio.io/istio/pkg/cluster"
	"istio.io/istio/pkg/config"
	"istio.io/istio/pkg/config/resource"
	"istio.io/istio/pkg/config/schema/gvk"
)

// Origin is a K8s specific implementation of resource.Origin
type Origin struct {
	Type            config.GroupVersionKind
	FullName        resource.FullName
	ResourceVersion resource.Version
	Ref             resource.Reference
	FieldsMap       map[string]int

// form, or don't diff.)
//
// This format is intended to make it difficult to use these numbers without
// writing some sort of special handling code in the hopes that that will
// cause implementors to also use a fixed point implementation.
//
// +protobuf=true
// +protobuf.embed=string
// +protobuf.options.marshal=false
// +protobuf.options.(gogoproto.goproto_stringer)=false
// +k8s:deepcopy-gen=true
// +k8s:openapi-gen=true
message Quantity {

// efficiency of a cache.
//
// The values returned in this struct are approximations of the current state of the cache.
// For the sake of efficiency, certain edge cases in the implementation can lead to
// inaccuracies.
type Stats struct {
	// Writes captures the number of times state in the cache was added or updated.
	Writes uint64

// https://kubernetes.io/docs/reference/kubectl/cheatsheet/#kubectl-output-verbosity-and-debugging.
// Errors are passed through as errors.
// Zap does come with its own logr implementation, but we have chosen to re-implement to allow usage of
// our Scope - in particular, this allows changing the logging level of kubernetes logs by users.
type zapLogger struct {
	l *Scope
}

	return c.c
}

var _ Singleton[any] = &collectionAdapter[any]{}

func NewSingleton[O any](hf TransformationEmpty[O], opts ...CollectionOption) Singleton[O] {
	// dummyCollection provides a trivial collection implementation that always provides a single dummyValue.
	// This is an internal construct exclusively for implementing the "Singleton" pattern.
	// This is so we can represent a singleton (a func() *O) as a collection (a func(I) *O).

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

// Provides utility methods to generate X.509 certificates with different
// options. This implementation is Largely inspired from
// https://golang.org/src/crypto/tls/generate_cert.go.

package util

import (
	"crypto"
	"crypto/ecdsa"
	"crypto/elliptic"
	"crypto/rand"
	"crypto/rsa"
	"crypto/x509"

	Analyzer
	RelevantSubset(kinds sets.Set[config.GroupVersionKind]) CombinedAnalyzer
	RemoveSkipped(schemas collection.Schemas) []string
	AnalyzerNames() []string
}

// InternalCombinedAnalyzer is an implementation of CombinedAnalyzer, a special analyzer that combines multiple analyzers into one
type InternalCombinedAnalyzer struct {
	name      string
	analyzers []Analyzer
}

// Combine multiple analyzers into a single one.