// Install ingress and egress gateways
			// These need to be installed as a separate step for external control planes because config clusters are installed
			// before the external control plane cluster. Since remote clusters use gateway injection, we can't install the gateways
			// until after the control plane is running, so we install them here. This is not really necessary for pure (non-config)

	//
	// Deprecated: All new tests should support multiple clusters.
	RequiresSingleCluster() Test
	// RequiresLocalControlPlane ensures that clusters are using locally-deployed control planes.
	//
	// Deprecated: Tests should not make assumptions regarding control plane topology.
	RequiresLocalControlPlane() Test
	// RequiresSingleNetwork ensures that clusters are in the same network
	//

}

// Returns a map with each k,v entry on a new line
func mapToString(m map[string]string) string {
	lines := []string{}
	for k, v := range m {
		lines = append(lines, fmt.Sprintf("%s=%s", k, shellescape.Quote(v)))
	}
	sort.Strings(lines)
	return strings.Join(lines, "\n") + "\n"
}

// extractClusterIDFromInjectionConfig can extract clusterID from injection configmap

		revCount++
		if rev == "default" {
			continue
		}
		revision = rev
	}
	if revision == "" {
		revs = "default"
	} else {
		revs = revision
	}
	v.logger.LogAndPrintf("%d Istio control planes detected, checking --revision %q only", revCount, revs)
	return revision, nil
}

func (v *StatusVerifier) verifyFinalIOP() error {
	crdCount, istioDeploymentCount, daemonSetCount, err := v.verifyPostInstallIstioOperator(

      # stackdriver filter settings.
      stackdriver:
        enabled: false
  # Revision is set as 'version' label and part of the resource names when installing multiple control planes.
  revision: ""
  # Revision tags are aliases to Istio control plane revisions
  revisionTags: []
  # For Helm compatibility.
  ownerName: ""
  # meshConfig defines runtime configuration of components, including Istiod and istio-agent behavior

      # stackdriver filter settings.
      stackdriver:
        enabled: false
  # Revision is set as 'version' label and part of the resource names when installing multiple control planes.
  revision: ""

  # Revision tags are aliases to Istio control plane revisions
  revisionTags: []

  # For Helm compatibility.
  ownerName: ""

	_ "github.com/envoyproxy/go-control-plane/envoy/admin/v3"
	_ "github.com/envoyproxy/go-control-plane/envoy/config/accesslog/v3"
	_ "github.com/envoyproxy/go-control-plane/envoy/config/bootstrap/v3"
	_ "github.com/envoyproxy/go-control-plane/envoy/config/cluster/v3"
	_ "github.com/envoyproxy/go-control-plane/envoy/config/common/key_value/v3"

      if (prevSlot && prevSlot <= place.Pos) {
        // We already have a higher slot in this stack.
      } else {
        stackMap.set(place.Stack, place.Pos);
      }
    }

    // Now partition the stacks.
    const groups = [];           // Array of Group {name, src, sum, self, places}
    const groupMap = new Map();  // Map from Source to Group
    for (const place of places) {

	// ControlPlane defines the additional control plane instance to be deployed on the joining node.
	// If nil, no additional control plane instance will be deployed.
	// +optional
	ControlPlane *JoinControlPlane `json:"controlPlane,omitempty"`

	// SkipPhases is a list of phases to skip during command execution.
	// The list of phases can be obtained with the "kubeadm join --help" command.

	// ControlPlane defines the additional control plane instance to be deployed on the joining node.
	// If nil, no additional control plane instance will be deployed.
	ControlPlane *JoinControlPlane

	// SkipPhases is a list of phases to skip during command execution.
	// The list of phases can be obtained with the "kubeadm join --help" command.
	// The flag "--skip-phases" takes precedence over this field.
	SkipPhases []string