ilmExpiryRuleStats := make(map[string][]srILMExpiryRule)

	numSites := len(sris)
	allBuckets := set.NewStringSet() // across sites
	allUsers := set.NewStringSet()
	allUserWPolicies := set.NewStringSet()
	allGroups := set.NewStringSet()
	allGroupWPolicies := set.NewStringSet()
	allILMExpiryRules := set.NewStringSet()

	allPolicies := set.NewStringSet()
	for _, sri := range sris {
		for b := range sri.Buckets {