in pkg/registry/registry.go [164:172]
func getRemovedExternalMetrics(old map[provider.ExternalMetricInfo]struct{}, new map[provider.ExternalMetricInfo]struct{}) []provider.ExternalMetricInfo {
var outdated []provider.ExternalMetricInfo
for info := range old {
if _, ok := new[info]; !ok {
outdated = append(outdated, info)
}
}
return outdated
}