if opts.Versioned && fi.VersionID == "" {
		fi.VersionID = mustGetUUID()
	}

	fi.DataDir = mustGetUUID()
	fi.Checksum = opts.WantChecksum.AppendTo(nil, nil)
	if opts.EncryptFn != nil {
		fi.Checksum = opts.EncryptFn("object-checksum", fi.Checksum)
	}
	uniqueID := mustGetUUID()
	tempObj := uniqueID

	// Initialize erasure metadata.
	for index := range partsMetadata {

		HTTPStatusCode: http.StatusBadRequest,
	},
	ErrContentChecksumMismatch: {
		Code:           "XAmzContentChecksumMismatch",
		Description:    "The provided 'x-amz-checksum' header does not match what was computed.",
		HTTPStatusCode: http.StatusBadRequest,
	},

	// MinIO extensions.
	ErrStorageFull: {
		Code:           "XMinioStorageFull",

			if err != nil {
				err = msgp.WrapError(err, "SuccessorModTime")
				return
			}
		case "Checksum":
			z.Checksum, bts, err = msgp.ReadBytesBytes(bts, z.Checksum)
			if err != nil {
				err = msgp.WrapError(err, "Checksum")
				return
			}
		case "Inlined":
			z.Inlined, bts, err = msgp.ReadBoolBytes(bts)
			if err != nil {

		return
	}
	checksum, err := hash.GetContentChecksum(formValues)
	if err != nil {
		apiErr := errorCodes.ToAPIErr(ErrMalformedPOSTRequest)
		apiErr.Description = fmt.Sprintf("%s (%v)", apiErr.Description, fmt.Errorf("Invalid checksum: %w", err))
		writeErrorResponse(ctx, w, apiErr, r.URL)
		return
	}
	if checksum != nil && checksum.Type.Trailing() {

)

func (e ErasureAlgo) valid() bool {
	return e > invalidErasureAlgo && e < lastErasureAlgo
}

// ChecksumAlgo defines common type of different checksum algorithms
type ChecksumAlgo uint8

// List of currently supported checksum algorithms
const (
	invalidChecksumAlgo ChecksumAlgo = 0
	HighwayHash         ChecksumAlgo = 1
	lastChecksumAlgo    ChecksumAlgo = 2
)

legacyJSON = `{"version":"1.0.1","format":"xl","stat":{"size":2016,"modTime":"2021-10-11T23:40:34.914361617Z"},"erasure":{"algorithm":"klauspost/reedsolomon/vandermonde","data":2,"parity":2,"blockSize":10485760,"index":2,"distribution":[2,3,4,1],"checksum":[{"name":"part.1","algorithm":"highwayhash256S"}]},"minio":{"release":"RELEASE.2019-12-30T05-45-39Z"},"meta":{"X-Minio-Internal-Server-Side-Encryption-Iv":"kInsJB/0yxyz/40ZI+lmQYJfZacDYqZsGh2wEiv+N50=","X-Minio-Internal-Server-Side-Encryption-S...