return
	}

	actionToPolicy := map[rbacpb.RBAC_Action]map[string]struct{}{}
	policyToRule := map[string]map[string]struct{}{}

	addPolicy := func(action rbacpb.RBAC_Action, name string, rule string) {
		if actionToPolicy[action] == nil {
			actionToPolicy[action] = map[string]struct{}{}
		}
		if policyToRule[name] == nil {
			policyToRule[name] = map[string]struct{}{}
		}
		actionToPolicy[action][name] = struct{}{}

// limitations under the License.

package pluginlistener

import (
	"fmt"
	"net"
	"os"
	"path/filepath"

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

func NewListener(path string) (net.Listener, error) {
	// Remove unix socket before use.
	if err := os.Remove(path); err != nil && !os.IsNotExist(err) {
		// Anything other than "file not found" is an error.

}

type filterchain struct {
	match       string
	destination string
}

var (
	plaintextHTTPALPNs = []string{"http/1.0", "http/1.1", "h2c"}
	istioHTTPPlaintext = []string{"istio", "istio-http/1.0", "istio-http/1.1", "istio-h2"}
	httpTLS            = []string{"http/1.0", "http/1.1", "h2c", "istio-http/1.0", "istio-http/1.1", "istio-h2"}
	tcpTLS             = []string{"istio-peer-exchange", "istio"}

			return err
		}
		istiodBytes.WriteString(istiod)
	}
	diff := difflib.UnifiedDiff{
		FromFile: "Istiod Listeners",
		A:        difflib.SplitLines(istiodBytes.String()),
		ToFile:   "Envoy Listeners",
		B:        difflib.SplitLines(envoyBytes.String()),
		Context:  c.context,
	}
	text, err := difflib.GetUnifiedDiffString(diff)
	if err != nil {
		return err
	}
	if text != "" {