filePath  string
	shardSize int64 // This is the shard size of the erasure logic
	hash.Hash       // For bitrot hash
}

func (b *wholeBitrotWriter) Write(p []byte) (int, error) {
	err := b.disk.AppendFile(context.TODO(), b.volume, b.filePath, p)
	if err != nil {
		return 0, err
	}
	_, err = b.Hash.Write(p)
	if err != nil {
		return 0, err
	}
	return len(p), nil
}

func (b *wholeBitrotWriter) Close() error {

	versioned := vcfg.Status == "Enabled"
	wants := make([]ObjectInfo, 2)
	for i, fi := range fivs[:2] {
		wants[i] = fi.ToObjectInfo(bucket, obj, versioned)
	}
	gots, err := item.applyNewerNoncurrentVersionLimit(context.TODO(), objAPI, fivs, es)
	if err != nil {
		t.Fatalf("Failed with err: %v", err)
	}
	if len(gots) != len(wants) {
		t.Fatalf("Expected %d objects but got %d", len(wants), len(gots))
	}

	XMLName      xml.Name `xml:"Destination" json:"Destination"`
	Bucket       string   `xml:"Bucket" json:"Bucket"`
	StorageClass string   `xml:"StorageClass" json:"StorageClass"`
	ARN          string
	// EncryptionConfiguration TODO: not needed for MinIO
}

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

			//   expectation  =  "100-continue" | expectation-extension
			//
			// So it safe to assume that '100-continue' is what would
			// be sent, for the time being keep this work around.
			// Adding a *TODO* to remove this later when Golang server
			// doesn't filter out the 'Expect' header.
			extractedSignedHeaders.Set(header, "100-continue")
		case "host":
			// Go http server removes "host" from Request.Header

		DefaultKeyID: stat.DefaultKey,
		Endpoints:    make(map[string]madmin.ItemState, len(stat.Endpoints)),
	}
	for _, endpoint := range stat.Endpoints {
		status.Endpoints[endpoint] = madmin.ItemOnline // TODO(aead): Implement an online check for mTLS
	}

	resp, err := json.Marshal(status)
	if err != nil {
		writeCustomErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrInternalError), err.Error(), r.URL)
		return
	}

	}
	xl.SetDiskID(emptyDiskID)

	xl.totalWrites.Store(xl.storage.getWriteAttribute())
	xl.totalDeletes.Store(xl.storage.getDeleteAttribute())
	xl.diskCtx, xl.diskCancel = context.WithCancel(context.TODO())
	for i := range xl.apiLatencies[:] {
		xl.apiLatencies[i] = &lockedLastMinuteLatency{}
	}
	if xl.healthCheck {
		go xl.monitorDiskWritable(xl.diskCtx)
	}
	return &xl
}

	defer disk.Delete(context.TODO(), minioMetaBucket, tmpFormat, DeleteOptions{
		Recursive: false,
		Immediate: false,
	})

	// write to unique file.
	if err = disk.WriteAll(context.TODO(), minioMetaBucket, tmpFormat, formatData); err != nil {
		return err
	}

	// Rename file `uuid.json` --> `format.json`.

	// such a case, is a security issue. Ideally, we should not allow such
	// behavior, but for compatibility with the Console, we currently allow it.
	//
	// TODO:
	//
	// 1. fix console behavior and allow this inheritance for service accounts
	// created before a certain (TBD) future date.
	//
	// 2. do not allow empty statement policies for service accounts.

	return z.s3Peer.HealBucket(ctx, bucket, opts)
}

// Walk a bucket, optionally prefix recursively, until we have returned
// all the contents of the provided bucket+prefix.
// TODO: Note that most errors will result in a truncated listing.
func (z *erasureServerPools) Walk(ctx context.Context, bucket, prefix string, results chan<- ObjectInfo, opts WalkOptions) error {

	MD5, err := hex.DecodeString(md5Hex)
	if err != nil {
		return nil, BadDigest{ // TODO(aead): Return an error that indicates that an invalid ETag has been specified
			ExpectedMD5:   md5Hex,
			CalculatedMD5: "",
		}
	}
	SHA256, err := hex.DecodeString(sha256Hex)
	if err != nil {
		return nil, SHA256Mismatch{ // TODO(aead): Return an error that indicates that an invalid Content-SHA256 has been specified