spiffe://cluster.local/ns/istio-system/sa/istiod         Leaf     Available        true           e5dfb59150b2ba7f108d93dcec5aa613     2033-03-22T13:04:57Z     2023-03-21T13:02:57Z
spiffe://cluster.local/ns/istio-system/sa/istiod         Root     Available        false          8a516645c40ce76c2c0d27ab4e2461c1     2022-03-18T13:04:49Z     2022-03-21T13:04:49Z

	if err != nil {
		return nil, err
	}

	var saNameList []string
	for _, sa := range saList.Items {
		if toComplete == "" || strings.HasPrefix(sa.Name, toComplete) {
			saNameList = append(saNameList, sa.Name)
		}
	}

	return saNameList, nil