"errors"
	"fmt"
	"io"
	"strings"

	"github.com/minio/madmin-go/v3"
	xhttp "github.com/minio/minio/internal/http"
)

// WarmBackendGetOpts is used to express byte ranges within an object. The zero
// value represents the entire byte range of an object.
type WarmBackendGetOpts struct {
	startOffset int64
	length      int64
}

// WarmBackend provides interface to be implemented by remote tier backends

		for i, client := range sys.peerClients {
			if slices.Contains(client.GetPools(), poolIdx) {
				perPoolErrs = append(perPoolErrs, errs[i])
			}
		}
		quorum := len(perPoolErrs) / 2
		if poolErr := reduceWriteQuorumErrs(ctx, perPoolErrs, bucketOpIgnoredErrs, quorum); poolErr != nil {
			return madmin.HealResultItem{}, poolErr
		}
	}

	for i, err := range errs {
		if err == nil {

	if db.Statement.Schema != nil {
		for idx, name := range columns {
			if field := db.Statement.Schema.LookUpField(name); field != nil {
				values[idx] = reflect.New(reflect.PtrTo(field.FieldType)).Interface()
				continue
			}
			values[idx] = new(interface{})
		}
	} else if len(columnTypes) > 0 {
		for idx, columnType := range columnTypes {
			if columnType.ScanType() != nil {

	policies := make(map[string]MappedPolicy, m.Size())
	m.Range(func(k string, v MappedPolicy) bool {
		policies[k] = v
		return true
	})
	return policies
}

// converts a mapped policy into a slice of distinct policies
func (mp MappedPolicy) toSlice() []string {
	var policies []string
	for _, policy := range strings.Split(mp.Policies, ",") {
		if strings.TrimSpace(policy) == "" {
			continue

		// No need to fail upon Update() error, fallback to old value.
		cachevalue.Opts{ReturnLastGood: true, NoWait: true},
		func() (map[string]uint64, error) {
			m := make(map[string]uint64)
			for _, pool := range z.serverPools {
				for _, er := range pool.sets {
					// Load bucket usage prefixes
					ctx, done := context.WithTimeout(context.Background(), 2*time.Second)
					ok := cache.load(ctx, er, bucket+slashSeparator+dataUsageCacheName) == nil

				"BETWEEN_10_MB_AND_64_MB":  1,
			},
		},
	}
	for i, test := range tests {
		t.Run(fmt.Sprintf("Test-%d", i), func(t *testing.T) {
			var h sizeHistogram
			for _, sz := range test.sizes {
				h.add(sz)
			}
			got := h.toMap()
			exp := test.want
			// what is in exp is in got
			for k := range exp {
				if exp[k] != got[k] {

	setCopy := NewTargetIDSet()
	for k, v := range set {
		setCopy[k] = v
	}
	return setCopy
}

// add - adds TargetID to the set.
func (set TargetIDSet) add(targetID TargetID) {
	set[targetID] = struct{}{}
}

// Union - returns union with given set as new set.
func (set TargetIDSet) Union(sset TargetIDSet) TargetIDSet {
	nset := set.Clone()

	for k := range sset {
		nset.add(k)
	}

	return nset
}

	newFormats := make([][]*formatErasureV3, setCount)
	for i := range refFormat.Erasure.Sets {
		newFormats[i] = make([]*formatErasureV3, setDriveCount)
	}
	currentDisksInfo := make([][]DiskInfo, setCount)
	for i := range refFormat.Erasure.Sets {
		currentDisksInfo[i] = make([]DiskInfo, setDriveCount)
	}
	for i := range refFormat.Erasure.Sets {
		for j := range refFormat.Erasure.Sets[i] {

		if codeHex == "" {
			codeHex = "empty"
		}
		ok := false
		for _, hex := range strings.Split(hexes, " or ") {
			if codeHex == hex {
				ok = true
				break
			}
		}
		if !ok {
			t.Errorf("%s: have encoding %s, want %s", p, codeHex, hexes)
		}
	}

	if len(hexByLine) > 0 {
		var missing []string
		for key := range hexByLine {
			missing = append(missing, key)
		}
		sort.Strings(missing)

	}
	return false
}

func (pd *PoolDecommissionInfo) isBucketDecommissioned(bucket string) bool {
	for _, b := range pd.DecommissionedBuckets {
		if b == bucket {
			return true
		}
	}
	return false
}

func (pd *PoolDecommissionInfo) bucketPush(bucket decomBucketInfo) {
	for _, b := range pd.QueuedBuckets {
		if pd.isBucketDecommissioned(b) {
			return
		}
		if b == bucket.String() {
			return