// are not part of an Istio identity and thus are not verified.
	VerifiedIdentity *spiffe.Identity

	// IPMode of proxy.
	ipMode IPMode

	// GlobalUnicastIP stores the global unicast IP if available, otherwise nil
	GlobalUnicastIP string

	// XdsResourceGenerator is used to generate resources for the node, based on the PushContext.

		},
	},
})

// clusterWrapper wraps Cluster object along with upstream protocol options.
type clusterWrapper struct {
	cluster *cluster.Cluster
	// httpProtocolOptions stores the HttpProtocolOptions which will be marshaled when build is called.
	httpProtocolOptions *http.HttpProtocolOptions
}

// metadataCerts hosts client certificate related metadata specified in proxy metadata.