"istio.io/istio/pkg/slices"
	"istio.io/istio/pkg/spiffe"
	"istio.io/istio/pkg/util/sets"
	"istio.io/istio/pkg/workloadapi"
	"istio.io/istio/pkg/xds"
)

// Metrics is an interface for capturing metrics on a per-node basis.
type Metrics interface {
	// AddMetric will add an case to the metric for the given node.
	AddMetric(metric monitoring.Metric, key string, proxyID, msg string)
}