// default to both
		listType = ""
	}

	var serviceAccounts []auth.Credentials
	var stsKeys []auth.Credentials

	if listType == "" || listType == "sts-only" {
		stsKeys, err = globalIAMSys.ListSTSAccounts(ctx, targetAccount)
		if err != nil {
			writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
			return
		}
	}
	if listType == "" || listType == "svcacc-only" {

	}

	accessKeyMap := make(map[string]madmin.ListAccessKeysResp)
	for _, user := range checkedUserList {
		accessKeys := madmin.ListAccessKeysResp{}
		if listSTSKeys {
			stsKeys, err := globalIAMSys.ListSTSAccounts(ctx, user)
			if err != nil {
				writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
				return
			}
			for _, sts := range stsKeys {