return errors.New("maxOpenConnections cannot be less than zero")
	}

	return nil
}

// PostgreSQLTarget - PostgreSQL target.
type PostgreSQLTarget struct {
	initOnce once.Init

	id         event.TargetID
	args       PostgreSQLArgs
	updateStmt *sql.Stmt
	deleteStmt *sql.Stmt
	insertStmt *sql.Stmt
	db         *sql.DB
	store      store.Store[event.Event]
	firstPing  bool

	lz4Type    CompressionType = "LZ4"
	s2Type     CompressionType = "S2"
	snappyType CompressionType = "SNAPPY"
)

const (
	maxRecordSize = 1 << 20 // 1 MiB
)

var parquetSupport bool

func init() {
	parquetSupport = env.Get("MINIO_API_SELECT_PARQUET", config.EnableOff) == config.EnableOn
}

var bufPool = sync.Pool{
	New: func() interface{} {
		// make a buffer with a reasonable capacity.

		meta, err := os.ReadFile(file + ".json")
		if err != nil {
			return err
		}
		type erasureInfo struct {
			V2Obj *struct {
				EcDist  []int
				EcIndex int
				EcM     int
				EcN     int
				Size    int
			}
		}
		var ei erasureInfo
		var idx int
		if err := json.Unmarshal(meta, &ei); err == nil && ei.V2Obj != nil {
			if size == 0 {
				size = ei.V2Obj.Size
				mapped = make([]byte, size)

		return errors.New("username and password should be set in pairs")
	}

	return nil
}

// ElasticsearchTarget - Elasticsearch target.
type ElasticsearchTarget struct {
	initOnce once.Init

	id         event.TargetID
	args       ElasticsearchArgs
	client     esClient
	store      store.Store[event.Event]
	loggerOnce logger.LogOnce
	quitCh     chan struct{}
}

// transition tasks
func (t *transitionState) UpdateWorkers(n int) {
	t.mu.Lock()
	defer t.mu.Unlock()
	if t.objAPI == nil { // Init hasn't been called yet.
		return
	}
	t.updateWorkers(n)
}

func (t *transitionState) updateWorkers(n int) {
	for t.numWorkers < n {
		go t.worker(t.objAPI)
		t.numWorkers++
	}

	for t.numWorkers > n {

	creds, err := auth.CreateCredentials("myuser", "mypassword")
	if err != nil {
		t.Fatalf("unable create credential, %s", err)
	}

	globalActiveCred = creds

	globalIAMSys.Init(ctx, objLayer, globalEtcdClient, 2*time.Second)

	// List of test cases for validating http request authentication.
	testCases := []struct {
		req     *http.Request
		s3Error APIErrorCode
	}{

	if err != nil {
		b.Fatalf("Reading init failed with %s", err)
	}
	defer r.Close()
	b.ReportAllocs()
	b.ResetTimer()
	b.SetBytes(int64(len(f)))
	var record sql.Record
	for i := 0; i < b.N; i++ {
		r, err = NewReader(io.NopCloser(bytes.NewBuffer(f)), &args)
		if err != nil {
			b.Fatalf("Reading init failed with %s", err)
		}
		for err == nil {
			record, err = r.Read(record)

			return nil, decErr
		}
	default:
		return nil, fmt.Errorf("tierConfigInit: unknown version: %d", version)
	}

	return cfg, nil
}

// Init initializes tier configuration reading from objAPI
func (config *TierConfigMgr) Init(ctx context.Context, objAPI ObjectLayer) error {
	err := config.Reload(ctx, objAPI)
	if globalIsDistErasure {
		go config.refreshTierConfig(ctx, objAPI)
	}
	return err

						time.Sleep(1 * time.Second)
						// Upon an error on watch channel
						// re-init the watch channel.
						goto outerLoop
					}
					if err := watchResp.Err(); err != nil {
						iamLogIf(ctx, err)
						// log and retry.
						time.Sleep(1 * time.Second)
						// Upon an error on watch channel
						// re-init the watch channel.
						goto outerLoop
					}
					for _, event := range watchResp.Events {

	GetHost() string
	SetPools([]int)
	GetPools() []int
}

type localPeerS3Client struct {
	node  Node
	pools []int
}

func (l *localPeerS3Client) GetHost() string {
	return l.node.Host
}

func (l *localPeerS3Client) SetPools(p []int) {
	l.pools = make([]int, len(p))
	copy(l.pools, p)
}

func (l localPeerS3Client) GetPools() []int {
	return l.pools
}