var supportedServiceInternalTrafficPolicy = sets.New(core.ServiceInternalTrafficPolicyCluster, core.ServiceInternalTrafficPolicyLocal)

var supportedServiceIPFamily = sets.New(core.IPv4Protocol, core.IPv6Protocol)
var supportedServiceIPFamilyPolicy = sets.New(
	core.IPFamilyPolicySingleStack,
	core.IPFamilyPolicyPreferDualStack,
	core.IPFamilyPolicyRequireDualStack)

// +enum
type IPFamily string

const (
	// IPv4Protocol indicates that this IP is IPv4 protocol
	IPv4Protocol IPFamily = "IPv4"
	// IPv6Protocol indicates that this IP is IPv6 protocol
	IPv6Protocol IPFamily = "IPv6"
	// IPFamilyUnknown indicates that this IP is unknown protocol
	IPFamilyUnknown IPFamily = ""
)