// connection-tracking information.
	DeletedUDPClusterIPs sets.Set[string]
}

// HealthCheckNodePorts returns a map of Service names to HealthCheckNodePort values
// for all Services in sm with non-zero HealthCheckNodePort.
func (sm ServicePortMap) HealthCheckNodePorts() map[types.NamespacedName]uint16 {
	// TODO: If this will appear to be computationally expensive, consider