communities:
                description: The BGP communities to be associated with the announcement.
                  Each item can be a standard community of the form 1234:1234, a large
                  community of the form large:1234:1234:1234 or the name of an alias
                  defined in the Community CRD.
                items:
                  type: string
                type: array

// It is made a struct to keep extensibility.
message GroupVersionForDiscovery {
  // groupVersion specifies the API group and version in the form "group/version"
  optional string groupVersion = 1;

  // version specifies the version in the form of "version". This is to save
  // the clients the trouble of splitting the GroupVersion.
  optional string version = 2;
}

	TunnelProtocol TunnelProtocol `protobuf:"varint,5,opt,name=tunnel_protocol,json=tunnelProtocol,proto3,enum=istio.workload.TunnelProtocol" json:"tunnel_protocol,omitempty"`
	// The SPIFFE identity of the workload. The identity is joined to form spiffe://<trust_domain>/ns/<namespace>/sa/<service_account>.
	// TrustDomain of the workload. May be elided if this is the mesh wide default (typically cluster.local)

}

// GlobalLoggingConfig specifies the global logging level settings for the Istio control plane components.
message GlobalLoggingConfig {
  // Comma-separated minimum per-scope logging level of messages to output, in the form of <scope>:<level>,<scope>:<level>
  // The control plane has different scopes depending on component, but can configure default log level across all components
  // If empty, default scope and level will be used as configured in code

	// ClusterUpdate describes a push triggered by a Cluster change
	ClusterUpdate TriggerReason = "cluster"
)

// Merge two update requests together
// Merge behaves similarly to a list append; usage should in the form `a = a.merge(b)`.
// Importantly, Merge may decide to allocate a new PushRequest object or reuse the existing one - both
// inputs should not be used after completion.
func (pr *PushRequest) Merge(other *PushRequest) *PushRequest {

			return gcs
		})
	}

	return res
}

// parentKey holds info about a parentRef (eg route binding to a Gateway). This is a mirror of
// k8s.ParentReference in a form that can be stored in a map
type parentKey struct {
	Kind config.GroupVersionKind
	// Name is the original name of the resource (eg Kubernetes Gateway name)
	Name string
	// Namespace is the namespace of the resource