return errFileCorrupt
	case errUnexpected.Error():
		return errUnexpected
	case errDiskFull.Error():
		return errDiskFull
	case errVolumeNotFound.Error():
		return errVolumeNotFound
	case errVolumeExists.Error():
		return errVolumeExists
	case errFileNotFound.Error():
		return errFileNotFound
	case errFileVersionNotFound.Error():
		return errFileVersionNotFound
	case errFileNameTooLong.Error():

		// Single requests should have remote errors.
		_, err := remoteConn.Request(context.Background(), handlerTest, []byte(testPayload))
		if v, ok := err.(*RemoteErr); !ok || v.Error() != "Invalid Handler for type" {
			t.Fatalf("Unexpected error: %v, %T", err, err)
		}
		// Streams should not be able to set up until registered.
		// Thus, the error is a local error.

	return json.Marshal(formatV3)
}

// countErrs - count a specific error.
func countErrs(errs []error, err error) int {
	i := 0
	for _, err1 := range errs {
		if err1 == err || errors.Is(err1, err) {
			i++
		}
	}
	return i
}

// Does all errors indicate we need to initialize all disks?.
func shouldInitErasureDisks(errs []error) bool {
	return countErrs(errs, errUnformattedDisk) == len(errs)
}

	HealBucket(ctx context.Context, bucket string, opts madmin.HealOpts) (madmin.HealResultItem, error)
	GetBucketInfo(ctx context.Context, bucket string, opts BucketOptions) (BucketInfo, error)
	MakeBucket(ctx context.Context, bucket string, opts MakeBucketOptions) error
	DeleteBucket(ctx context.Context, bucket string, opts DeleteBucketOptions) error

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

	online
	closed
)

// NetworkError - error type in case of errors related to http/transport
// for ex. connection refused, connection reset, dns resolution failure etc.
// All errors returned by storage-rest-server (ex errFileNotFound, errDiskNotFound) are not considered to be network errors.
type NetworkError struct {
	Err error
}

func (n *NetworkError) Error() string {
	return n.Err.Error()
}

func (target *PostgreSQLTarget) Close() error {
	close(target.quitCh)
	if target.updateStmt != nil {
		// FIXME: log returned error. ignore time being.
		_ = target.updateStmt.Close()
	}

	if target.deleteStmt != nil {
		// FIXME: log returned error. ignore time being.
		_ = target.deleteStmt.Close()
	}

	if target.insertStmt != nil {
		// FIXME: log returned error. ignore time being.

	done(nil)
	vresp := &VerifyFileResp{}
	if err != nil {
		vresp.Err = StorageErr(err.Error())
	}
	encoder.Encode(vresp)
}

func checkDiskFatalErrs(errs []error) error {
	// This returns a common error if all errors are
	// same errors, then there is no point starting
	// the server.
	if countErrs(errs, errUnsupportedDisk) == len(errs) {
		return errUnsupportedDisk

	}
}

var (
	errDecommissionAlreadyRunning = errors.New("decommission is already in progress")
	errDecommissionComplete       = errors.New("decommission is complete, please remove the servers from command-line")
	errDecommissionNotStarted     = errors.New("decommission is not in progress")
)

func (p *poolMeta) Decommission(idx int, pi poolSpaceInfo) error {
	// Return an error when there is decommission on going - the user needs

}

func (target *AMQPTarget) channel() (*amqp091.Channel, chan amqp091.Confirmation, error) {
	var err error
	var conn *amqp091.Connection
	var ch *amqp091.Channel

	isAMQPClosedErr := func(err error) bool {
		if err == amqp091.ErrClosed {
			return true
		}

		if nerr, ok := err.(*net.OpError); ok {
			return (nerr.Err.Error() == "use of closed network connection")
		}

		return false
	}

					return entries, nil
				}
			} else {
				err = fmt.Errorf("invalid pool/set")
				o.pool, o.set = 0, 0
			}
		}
		if IsErr(err, []error{
			nil,
			context.Canceled,
			context.DeadlineExceeded,
			// io.EOF is expected and should be returned but no need to log it.
			io.EOF,
		}...) {
			// Expected good errors we don't need to return error.
			return entries, err
		}
		entries.truncate(0)