df("Discovery Filter")

    axc("Auto Export Controller")

    mcfg("Mesh Config")
    dfc("Default Revision Controller")
```

As you can see, the landscape of controllers is pretty extensive at this point.

[Service Discovery](#ServiceDiscovery) and [Config Store](#ConfigStore) were already discussed above, so do not need more explanation here.

#### Mesh Config

  // `items` is a list of request-priorities.
  repeated PriorityLevelConfiguration items = 2;
}

// PriorityLevelConfigurationReference contains information that points to the "request-priority" being used.
message PriorityLevelConfigurationReference {
  // `name` is the name of the priority level configuration being referenced
  // Required.
  optional string name = 1;
}

  // `items` is a list of request-priorities.
  repeated PriorityLevelConfiguration items = 2;
}

// PriorityLevelConfigurationReference contains information that points to the "request-priority" being used.
message PriorityLevelConfigurationReference {
  // `name` is the name of the priority level configuration being referenced
  // Required.
  optional string name = 1;
}

	TCPListener = wellknown.TCPProxy

	IPMatcher = "type.googleapis.com/xds.type.matcher.v3.IPMatcher"
)

// ListenerFilter is used to pass filter information into listener based config writer print functions
type ListenerFilter struct {
	Address string
	Port    uint32
	Type    string
	Verbose bool
}

// Verify returns true if the passed listener matches the filter fields

SHA=$(grep "istio.io/api" go.mod | grep "^replace" | awk -F "-" '{print $NF}')
if [ -n "${SHA}" ]; then
  REPO=$(grep "istio.io/api" go.mod | grep "^replace" | awk '{print $4}')
else
  SHA=$(grep "istio.io/api" go.mod | head -n1 | awk '{ print $2 }')
  if [[ ${SHA} == *"-"* && ! ${SHA} =~ -rc.[0-9]$ && ! ${SHA} =~ -beta.[0-9]$ && ! ${SHA} =~ -alpha.[0-9]$ ]]; then

LATEST_DEB11_DISTROLESS_SHA256=$(crane digest gcr.io/distroless/static-debian11 | awk -F\: '{print $2}')
sed -i -E "s/sha256:[a-z0-9]+/sha256:${LATEST_DEB11_DISTROLESS_SHA256}/g" docker/Dockerfile.distroless

# shellcheck disable=SC1001
LATEST_IPTABLES_DISTROLESS_SHA256=$(crane digest gcr.io/istio-release/iptables | awk -F\: '{print $2}')
sed -i -E "s/sha256:[a-z0-9]+/sha256:${LATEST_IPTABLES_DISTROLESS_SHA256}/g" pilot/docker/Dockerfile.proxyv2

	"encoding/json"
	"fmt"
	"strings"

	"sigs.k8s.io/yaml"

	"istio.io/istio/pkg/maps"
	"istio.io/istio/pkg/slices"
)

// PolicyFilter is used to pass filter information into service based config writer print functions
type PolicyFilter struct {
	Namespace string
}

// Verify returns true if the passed workload matches the filter fields
func (wf *PolicyFilter) Verify(pol *ZtunnelPolicy) bool {
	if wf.Namespace != "" {

      {{- else if eq .Values.global.proxy.tracer "zipkin" }}
        zipkin:
          # Address of the Zipkin collector
          address: {{ ((.Values.global.tracer).zipkin).address | default (print "zipkin." .Values.global.istioNamespace ":9411") }}
      {{- else if eq .Values.global.proxy.tracer "datadog" }}
        datadog:
          # Address of the Datadog Agent

	}

	if mgArgs.OutFilename == "" {
		ordered, err := orderedManifests(manifests)
		if err != nil {
			return fmt.Errorf("failed to order manifests: %v", err)
		}
		for _, m := range ordered {
			l.Print(m + object.YAMLSeparator)
		}
	} else {
		if err := os.MkdirAll(mgArgs.OutFilename, os.ModePerm); err != nil {
			return err
		}
		if err := RenderToDir(manifests, mgArgs.OutFilename, args.DryRun, l); err != nil {

  // +optional
  optional k8s.io.apimachinery.pkg.apis.meta.v1.ListMeta metadata = 1;

  // Items is a list of Roles
  repeated Role items = 2;
}

// RoleRef contains information that points to the role being used
message RoleRef {
  // APIGroup is the group for the resource being referenced
  optional string apiGroup = 1;

  // Kind is the type of resource being referenced
  optional string kind = 2;