return
	}
	messages := make([]cniLog, 0, len(cniLogs))
	for _, l := range cniLogs {
		msg, ok := parseCniLog(l)
		if !ok {
			continue
		}
		messages = append(messages, msg)
	}
	// Lock log message printing to prevent log messages from different CNI
	// processes interleave.
	l.mu.Lock()
	defer l.mu.Unlock()
	for _, m := range messages {
		logger := pluginLog

	return registerScope(DefaultScopeName, "Unscoped logging messages.", 1),
		registerScope(GrpcScopeName, "logs from gRPC", 3)
}

var defaultScope, grpcScope = registerDefaultScopes()

// Fatal outputs a message at fatal level.
func Fatal(fields any) {
	defaultScope.Fatal(fields)
}

// Fatalf uses fmt.Sprintf to construct and log a message at fatal level.
func Fatalf(format string, args ...any) {

	"context"
	"encoding/json"
	"fmt"
	"net"
	"net/http"
	"sync"
	"time"

	"go.uber.org/zap/buffer"
	"go.uber.org/zap/zapcore"
)

// An udsCore write entries to an UDS server with HTTP Post. Log messages will be encoded into a JSON array.
type udsCore struct {
	client       http.Client
	minimumLevel zapcore.Level
	url          string
	enc          zapcore.Encoder
	buffers      []*buffer.Buffer

	// nolint
	HttpProtocolOptionsType = "envoy.extensions.upstreams.http.v3.HttpProtocolOptions"
)

// GetShortType returns an abbreviated form of a type, useful for logging or human friendly messages
func GetShortType(typeURL string) string {
	return model.GetShortType(typeURL)
}

// GetMetricType returns the form of a type reported for metrics
func GetMetricType(typeURL string) string {

		log.Infof("Executed analyzers:")
		for _, a := range result.ExecutedAnalyzers {
			log.Infof("\t: %s", a)
		}
	}

	// Get messages for output
	outputMessages := result.Messages.SetDocRef("istioctl-analyze").FilterOutLowerThan(diag.Info)

	// Print all the messages to stdout in the specified format
	output, err := formatting.Print(outputMessages, formatting.LogFormat, false)
	if err != nil {
		return nil, err
	}

      --log_caller: Comma-separated list of scopes for which to include caller information, scopes can be any of \[.*\]
      --log_output_level: Comma-separated minimum per-scope logging level of messages to output, in the form of <scope>:<level>,<scope>:<level>,... where scope can be one of \[.*\] and level can be one of \[.*\]

	istiolog "istio.io/istio/pkg/log"
)

type httpServerErrorLogWriter struct{}

// Webhook http.Server.ErrorLog handler specifically to filter
// http: TLS handshake error from 127.0.0.1:<PORT>: EOF
// messages that occur when clients send RST while TLS handshake is still in progress.
// httpsReadyClient can trigger this periodically when multiple concurrent probes are hitting this endpoint.

		t.Fatalf("unexpected test failure: can't get virtualservice: %v", err)
	}

	status := &x.Status

	if hasError {
		if len(status.ValidationMessages) < 1 {
			return fmt.Errorf("expected validation messages to exist, but got nothing")
		}
		found := false
		for _, validation := range status.ValidationMessages {
			if validation.Type.Code == msg.ReferencedResourceNotFound.Code() {
				found = true
			}
		}

			result, err := runAnalyzer(sa)
			if err != nil {
				t.Fatalf("Error running analysis on testcase %s: %v", tc.name, err)
			}

			g.Expect(extractFields(result.Messages)).To(ConsistOf(tc.expected), "%v", prettyPrintMessages(result.Messages))
		})
	}
}

func setupMultiClusterEnvironmentForCase(tc mcTestCase, cr local.CollectionReporterFn) (*local.IstiodAnalyzer, error) {

)

// Error represents structured error information, for optional use in scope.X or log.X calls.
// It is not the same thing as structured logging. The "structured" here means adding a structure to user facing
// messages.
// See https://docs.google.com/document/d/1vdYswLQuYnrLA2fDjk6OoZx2flBABa18UjCGTn8gsg8/ for additional information.
type Error struct {