func (d Destination) isValidStorageClass() bool {
	if d.StorageClass == "" {
		return true
	}
	return d.StorageClass == "STANDARD" || d.StorageClass == "REDUCED_REDUNDANCY"
}

// IsValid - checks whether Destination is valid or not.
func (d Destination) IsValid() bool {
	return d.Bucket != "" || !d.isValidStorageClass()
}

func (d Destination) String() string {
	return d.ARN
}

	"github.com/minio/pkg/v2/env"
	"github.com/minio/simdjson-go"
	"github.com/pierrec/lz4"
)

type recordReader interface {
	// Read a record.
	// dst is optional but will be used if valid.
	Read(dst sql.Record) (sql.Record, error)
	Close() error
}

const (
	csvFormat     = "csv"
	jsonFormat    = "json"
	parquetFormat = "parquet"
)

	myIndex := &migrator.Index{TableName: table, NameValue: "my_us8_index", ColumnList: []string{"name"}, PrimaryKeyValue: sql.NullBool{Bool: false, Valid: true}, UniqueValue: sql.NullBool{Bool: true, Valid: true}}

		case output == "" && testCase.dlURL != "" && testCase.older > 0:
			t.Errorf("Testcase %d: newer release is available but got empty update message!", i+1)
		case output == "" && (testCase.dlURL == "" || testCase.older <= 0):
			// Valid no update message case. No further
			// validation needed.
			continue
		case !strings.Contains(output, line1):
			t.Errorf("Testcase %d: output '%s' did not contain line 1: '%s'", i+1, output, line1)

			return fmt.Errorf("target %v already exists", target.ID())
		}
		list.targets[target.ID()] = target
	}

	return nil
}

// Lookup - checks whether target by target ID exists is valid or not.
func (list *TargetList) Lookup(arnStr string) (Target, error) {
	list.RLock()
	defer list.RUnlock()

	arn, err := ParseARN(arnStr)
	if err != nil {
		return nil, err
	}

		}
	}
	if len(filteredAlgos) == 0 {
		logger.Fatal(fmt.Errorf("no valid algorithms passed to --sftp=%s\nValid algorithms: %v", arg, strings.Join(allowed, ", ")), "unable to start SFTP server")
	}
	return filteredAlgos
}

func startSFTPServer(args []string) {
	var (

	return r.contentHash.Type
}

// ContentCRC returns the content crc if set.
func (r *Reader) ContentCRC() map[string]string {
	if r.contentHash.Type == ChecksumNone || !r.contentHash.Valid() {
		return nil
	}
	if r.contentHash.Type.Trailing() {
		return map[string]string{r.contentHash.Type.String(): r.trailer.Get(r.contentHash.Type.Key())}
	}

// GetObjectAttributes ...
func (api objectAPIHandlers) getObjectAttributesHandler(ctx context.Context, objectAPI ObjectLayer, bucket, object string, w http.ResponseWriter, r *http.Request) {
	opts, valid := getAndValidateAttributesOpts(ctx, w, r, bucket, object)
	if !valid {
		return
	}

	var s3Error APIErrorCode
	if opts.VersionID != "" {
		s3Error = checkRequestAuthType(ctx, r, policy.GetObjectVersionAttributesAction, bucket, object)

	c.Assert(err, nil)

	// execute the request.
	response, err = s.client.Do(req)
	c.Assert(err, nil)
	verifyError(c, response, "InvalidBucketName", "The specified bucket is not valid.", http.StatusBadRequest)

	req, err = newTestSignedRequest(http.MethodGet,
		getListenNotificationURL(s.endPoint, bucketName, []string{}, []string{}, invalidEvents),
		0, nil, s.accessKey, s.secretKey, s.signer)

	// Add more supported headers here.
}

// isDirectiveValid - check if tagging-directive is valid.
func isDirectiveValid(v string) bool {
	// Check if set metadata-directive is valid.
	return isDirectiveCopy(v) || isDirectiveReplace(v)
}

// Check if the directive COPY is requested.
func isDirectiveCopy(value string) bool {