type config Config
	parsedConfig := config{}
	if err := d.DecodeElement(&parsedConfig, &start); err != nil {
		return err
	}

	// Empty queue list means user wants to delete the notification configuration.
	if len(parsedConfig.QueueList) > 0 {
		for i, q1 := range parsedConfig.QueueList[:len(parsedConfig.QueueList)-1] {
			for _, q2 := range parsedConfig.QueueList[i+1:] {

	historyFile := pathJoin(minioConfigHistoryPrefix, uuidKV+kvPrefix)
	_, err := objAPI.DeleteObject(ctx, minioMetaBucket, historyFile, ObjectOptions{
		DeletePrefix:       true,
		DeletePrefixObject: true, // use prefix delete on exact object (this is an optimization to avoid fan-out calls)
	})
	return err
}

func readServerConfigHistory(ctx context.Context, objAPI ObjectLayer, uuidKV string) ([]byte, error) {

	l = Config{}

	// Purge all removed keys first
	kvs := s[config.IdentityLDAPSubSys][config.Default]
	if len(kvs) > 0 {
		for _, k := range removedKeys {
			kvs.Delete(k)
		}
		s[config.IdentityLDAPSubSys][config.Default] = kvs
	}

	if err := s.CheckValidKeys(config.IdentityLDAPSubSys, removedKeys); err != nil {
		return l, err
	}

func (kvs KVS) Get(key string) string {
	v, ok := kvs.Lookup(key)
	if ok {
		return v
	}
	return ""
}

// Delete - deletes the key if present from the KV list.
func (kvs *KVS) Delete(key string) {
	for i, kv := range *kvs {
		if kv.Key == key {
			*kvs = append((*kvs)[:i], (*kvs)[i+1:]...)
			return
		}
	}
}