func (b *BucketMetadata) defaultTimestamps() {
	if b.PolicyConfigUpdatedAt.IsZero() {
		b.PolicyConfigUpdatedAt = b.Created
	}

	if b.EncryptionConfigUpdatedAt.IsZero() {
		b.EncryptionConfigUpdatedAt = b.Created
	}

	if b.TaggingConfigUpdatedAt.IsZero() {
		b.TaggingConfigUpdatedAt = b.Created
	}

	if b.ObjectLockConfigUpdatedAt.IsZero() {
		b.ObjectLockConfigUpdatedAt = b.Created
	}

	}

	if ret.Mode.Valid() && ret.RetainUntilDate.IsZero() {
		return &ret, ErrMalformedXML
	}

	if !ret.Mode.Valid() && !ret.RetainUntilDate.IsZero() {
		return &ret, ErrMalformedXML
	}

	t, err := UTCNowNTP()
	if err != nil {
		lockLogIf(context.Background(), err)
		return &ret, ErrPastObjectLockRetainDate
	}

	if !ret.RetainUntilDate.IsZero() && ret.RetainUntilDate.Before(t) {

						v = v.Elem()
					} else {
						return nil, true
					}
				}
			}

			fv, zero := v.Interface(), v.IsZero()
			return fv, zero
		}
	}

	if field.Serializer != nil {
		oldValuerOf := field.ValueOf
		field.ValueOf = func(ctx context.Context, v reflect.Value) (interface{}, bool) {
			value, zero := oldValuerOf(ctx, v)

			s, ok := value.(SerializerValuerInterface)
			if !ok {

	shuffledPartsMetadata = make([]FileInfo, len(partsMetadata))
	distribution := fi.Erasure.Distribution

	init := fi.ModTime.IsZero()
	// Shuffle slice xl metadata for expected distribution.
	for index := range partsMetadata {
		if disks[index] == nil {
			continue
		}
		if !init && !partsMetadata[index].IsValid() {
			// Check for parts metadata validity for only

							break
						}

						if _, isZero := pkField.ValueOf(db.Statement.Context, rv); isZero {
							db.AddError(pkField.Set(db.Statement.Context, rv, insertID))
							insertID += pkField.AutoIncrementIncrement
						}
					}
				}
			case reflect.Struct:
				_, isZero := pkField.ValueOf(db.Statement.Context, db.Statement.ReflectValue)
				if isZero {

    VLOG(1) << "Calling gradient function for '" << trace.op_type << "'";
    std::vector<Gradient*> in_gradients(trace.input_tensor_id.size());
    DCHECK(build_default_zeros_grads || zero_indices.empty());
    if (any_gradient_nonzero) {
      for (const auto i : zero_indices) {
        out_gradients[i] = trace.output_tensor_info[i].ZerosLike();
      }
      Status s;
      s = vspace.CallBackwardFunction(trace.op_type, trace.backward_function,

				var hasBucket, isBucketMarkedDeleted bool

				bi, ok := sris[dIdx].Buckets[s.Bucket]
				if ok {
					isBucketMarkedDeleted = !bi.DeletedAt.IsZero() && (bi.CreatedAt.IsZero() || bi.DeletedAt.After(bi.CreatedAt))
					hasBucket = !bi.CreatedAt.IsZero()
				}
				quotaCfgSet := hasBucket && quotaCfgs[i] != nil && *quotaCfgs[i] != madmin.BucketQuota{}
				ss := madmin.SRBucketStatsSummary{

		fis := make([]FileInfo, n)
		for i := range fis {
			fis[i] = fi
			fis[i].Erasure.Index = i + 1
			if succModTimes != nil {
				fis[i].SuccessorModTime = succModTimes[i]
				fis[i].IsLatest = succModTimes[i].IsZero()
			}
			quorum--
			if quorum == 0 {
				break
			}
		}
		return fis
	}

	commonSuccModTime := time.Date(2023, time.August, 25, 0, 0, 0, 0, time.UTC)

		;;
	"wasmer")
		exec wasmer run --dir=/ --env PWD="$PWD" --env PATH="$PATH" ${GOWASIRUNTIMEARGS:-} "$1" -- "${@:2}"
		;;
	"wazero")
		exec wazero run -mount /:/ -env-inherit -cachedir "${TMPDIR:-/tmp}"/wazero ${GOWASIRUNTIMEARGS:-} "$1" "${@:2}"
		;;
	"wasmtime" | "")
		exec wasmtime run --dir=/ --env PWD="$PWD" --env PATH="$PATH" -W max-wasm-stack=1048576 ${GOWASIRUNTIMEARGS:-} "$1" "${@:2}"

	if r.Method != http.MethodPut {
		return false
	}
	// If the object doesn't have a modtime (IsZero), or the modtime
	// is obviously garbage (Unix time == 0), then ignore modtimes
	// and don't process the If-Modified-Since header.
	if objInfo.ModTime.IsZero() || objInfo.ModTime.Equal(time.Unix(0, 0)) {
		return false
	}