type BitrotAlgorithm uint

const (
	// SHA256 represents the SHA-256 hash function
	SHA256 BitrotAlgorithm = 1 + iota
	// HighwayHash256 represents the HighwayHash-256 hash function
	HighwayHash256
	// HighwayHash256S represents the Streaming HighwayHash-256 hash function
	HighwayHash256S
	// BLAKE2b512 represents the BLAKE2b-512 hash function
	BLAKE2b512
)

	Limit        int                      // maximum number of items, 0 means no limit
}

// ExpirationOptions represents object options for object expiration at objectLayer.
type ExpirationOptions struct {
	Expire bool
}

// TransitionOptions represents object options for transition ObjectLayer operation
type TransitionOptions struct {
	Status         string
	Tier           string

// getRegister checks that addr represents a register and returns its value.
func (p *Parser) getRegister(prog *obj.Prog, op obj.As, addr *obj.Addr) int16 {
	if addr.Type != obj.TYPE_REG || addr.Offset != 0 || addr.Name != 0 || addr.Index != 0 {
		p.errorf("%s: expected register; found %s", op, obj.Dconv(prog, addr))
	}
	return addr.Reg
}

// getSpecial checks that addr represents a special operand and returns its value.

	Resources []string

	// Owner represents unique ID for this instance, an owner who originally requested
	// the locked resource, useful primarily in figuring out stale locks.
	Owner string

	// Source contains the line number, function and file name of the code
	// on the client node that requested the lock.
	Source string `msgp:"omitempty"`

	// Quorum represents the expected quorum for this lock type.

package mountinfo

// mountInfo - This represents a single line in /proc/mounts.
type mountInfo struct {
	Device  string
	Path    string
	FSType  string
	Options []string
	Freq    string
	Pass    string
}

func (m mountInfo) String() string {
	return m.Path
}

// mountInfos - This represents the entire /proc/mounts.

		Default, target)
}

var resolvableSubsystems = set.CreateStringSet(IdentityOpenIDSubSys, IdentityLDAPSubSys, PolicyPluginSubSys)

// ValueSource represents the source of a config parameter value.
type ValueSource uint8

// Constants for ValueSource
const (
	ValueSourceAbsent ValueSource = iota // this is an error case
	ValueSourceDef
	ValueSourceCfg

	xioutil "github.com/minio/minio/internal/ioutil"
	"github.com/minio/minio/internal/logger"
	"github.com/minio/pkg/v3/sync/errgroup"
)

const (
	// Represents Erasure backend.
	formatBackendErasure = "xl"

	// Represents Erasure backend - single drive
	formatBackendErasureSingle = "xl-single"

	// formatErasureV1.Erasure.Version - version '1'.
	formatErasureVersionV1 = "1"

		}
		return freeEntry, true
	}
	return xlMetaV2Version{}, false
}

// FreeVersion returns true if j represents a free-version, false otherwise.
func (j xlMetaV2DeleteMarker) FreeVersion() bool {
	_, ok := j.MetaSys[ReservedMetadataPrefixLower+freeVersion]
	return ok
}

// FreeVersion returns true if j represents a free-version, false otherwise.
func (j xlMetaV2Version) FreeVersion() bool {
	if j.Type == DeleteType {

     */
    private String determineTargetModelVersion(UpgradeContext context) {
        UpgradeOptions options = getOptions(context);

        if (options.modelVersion().isPresent()) {
            return options.modelVersion().get();
        } else if (options.all().orElse(false)) {
            return MODEL_VERSION_4_1_0;
        } else {
            return MODEL_VERSION_4_0_0;
        }

package json

import (
	"encoding/xml"
	"fmt"
	"strings"
)

const (
	document = "document"
	lines    = "lines"

	defaultRecordDelimiter = "\n"
)

// ReaderArgs - represents elements inside <InputSerialization><JSON/> in request XML.
type ReaderArgs struct {
	ContentType string `xml:"Type"`
	unmarshaled bool
}

// IsEmpty - returns whether reader args is empty or not.