}
}

func TestSkipTierFreeVersion(t *testing.T) {
	fi := newFileInfo("object", 8, 8)
	fi.SetSkipTierFreeVersion()
	if ok := fi.SkipTierFreeVersion(); !ok {
		t.Fatal("Expected SkipTierFreeVersion to be set on FileInfo but wasn't")
	}
}

func TestListObjectParities(t *testing.T) {
	mkMetaArr := func(N, parity, agree int) []FileInfo {

	cause      error
}

func (err *s3Error) Cause() error {
	return err.cause
}

func (err *s3Error) ErrorCode() string {
	return err.code
}

func (err *s3Error) ErrorMessage() string {
	return err.message
}

func (err *s3Error) HTTPStatusCode() int {
	return err.statusCode
}

func (err *s3Error) Error() string {
	return err.message
}

func errParquetParsingError(err error) *s3Error {

// afterVersion returns the payload after the version, if any.
func (x xlMetaInlineData) afterVersion() []byte {
	if len(x) == 0 {
		return x
	}
	return x[1:]
}

// versionOK returns whether the version is ok.
func (x xlMetaInlineData) versionOK() bool {
	if len(x) == 0 {
		return true
	}
	return x[0] > 0 && x[0] <= xlMetaInlineDataVer
}

func (x xlMetaInlineData) json() ([]byte, error) {
	if len(x) == 0 {

	r  io.Reader
	mu sync.Mutex
}

func (d *disconnectReader) Read(p []byte) (n int, err error) {
	d.mu.Lock()
	defer d.mu.Unlock()
	if d.r != nil {
		return d.r.Read(p)
	}
	return 0, errors.New("reader closed")
}

func (d *disconnectReader) Close() error {
	d.mu.Lock()
	d.r = nil
	d.mu.Unlock()
	return nil
}

}

// IsDateNull returns true if date field is null
func (t Transition) IsDateNull() bool {
	return t.Date.IsZero()
}

// IsNull returns true if both date and days fields are null
func (t Transition) IsNull() bool {
	return t.StorageClass == ""
}

// NextDue returns upcoming transition date for obj and true if applicable,
// returns false otherwise.
func (t Transition) NextDue(obj ObjectOpts) (time.Time, bool) {

	return encrypted, nil
}

type (
	objectMetaEncryptFn func(baseKey string, data []byte) []byte
	objectMetaDecryptFn func(baseKey string, data []byte) ([]byte, error)
)

// metadataEncrypter returns a function that will read data from input,
// encrypt it using the provided key and return the result.
// 0 sized inputs are passed through.
func metadataEncrypter(key crypto.ObjectKey) objectMetaEncryptFn {

	loggerOnce logger.LogOnce
	quitCh     chan struct{}
}

// ID - returns target ID.
func (target *NSQTarget) ID() event.TargetID {
	return target.id
}

// Name - returns the Name of the target.
func (target *NSQTarget) Name() string {
	return target.ID().String()
}

// Store returns any underlying store if set.
func (target *NSQTarget) Store() event.TargetStore {
	return target.store
}

	// which needs to patched like a jump.
	"ADR":  true,
	"ADRP": true,
}

func jumpArm64(word string) bool {
	return arm64Jump[word]
}

var arm64SpecialOperand map[string]arm64.SpecialOperand

// ARM64SpecialOperand returns the internal representation of a special operand.
func ARM64SpecialOperand(name string) arm64.SpecialOperand {
	if arm64SpecialOperand == nil {

The server handler function has this signature: `type SingleHandlerFn func(payload []byte) ([]byte, *RemoteErr)`.

Sample handler:
```go
    handler :=  func(payload []byte) ([]byte, *grid.RemoteErr) {
        // Do something with payload
        return []byte("response"), nil
    }

	S3KMS = ssekms{}

	_ Type = S3KMS
)

// String returns the SSE domain as string. For SSE-KMS the
// domain is "SSE-KMS".
func (ssekms) String() string { return "SSE-KMS" }

// IsRequested returns true if the HTTP headers contains
// at least one SSE-KMS header.
func (ssekms) IsRequested(h http.Header) bool {
	if _, ok := h[xhttp.AmzServerSideEncryptionKmsID]; ok {
		return true
	}