Hash      string `json:"hash,omitempty"`
}

// MarshalJSON marshals the ChecksumInfo struct
func (c ChecksumInfo) MarshalJSON() ([]byte, error) {
	info := checksumInfoJSON{
		Name:      fmt.Sprintf("part.%d", c.PartNumber),
		Algorithm: c.Algorithm.String(),
		Hash:      hex.EncodeToString(c.Hash),
	}
	return json.Marshal(info)
}

// UnmarshalJSON - custom checksum info unmarshaller

		}
		errorResponse := APIErrorResponse{}
		err = xml.Unmarshal(rec.Body.Bytes(), &errorResponse)
		if err != nil && !testCase.shouldPass {
			t.Fatalf("Test %d: %s: Unable to marshal response body %s", i+1, instanceType, rec.Body.String())
		}
		if errorResponse.Resource != testCase.errorResponse.Resource {

		}
		errorResponse := APIErrorResponse{}
		err = xml.Unmarshal(rec.Body.Bytes(), &errorResponse)
		if err != nil && !testCase.shouldPass {
			t.Fatalf("Test %d: %s: Unable to marshal response body %s", i+1, instanceType, rec.Body.String())
		}
		if errorResponse.Resource != testCase.errorResponse.Resource {

		writeErrorResponseJSON(ctx, w, toAPIError(ctx, err), r.URL)
		return
	}

	// Rebalance routine is run on the first node of any pool participating in rebalance.
	pools.StartRebalance()

	b, err := json.Marshal(struct {
		ID string `json:"id"`
	}{ID: id})
	if err != nil {
		writeErrorResponseJSON(ctx, w, toAPIError(ctx, err), r.URL)
		return
	}

	writeSuccessResponseJSON(w, b)

		writeErrorResponse(ctx, w, apiErr, r.URL)
		return
	}

	// Audit log tags.
	reqInfo := logger.GetReqInfo(ctx)
	reqInfo.SetTags("retention", config.String())

	configData, err := xml.Marshal(config)
	if err != nil {
		writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
		return
	}

	// Deny object locking configuration settings on existing buckets without object lock enabled.

		var cfgData []byte
		if expiryRuleRemoved {
			var lcCfg lifecycle.Lifecycle
			currtime := time.Now()
			lcCfg.ExpiryUpdatedAt = &currtime
			cfgData, err = xml.Marshal(lcCfg)
			if err != nil {
				return updatedAt, err
			}
		}
		return sys.updateAndParse(ctx, bucket, configFile, cfgData, false)
	}
	return sys.updateAndParse(ctx, bucket, configFile, nil, false)
}

	Last  string `json:"l"`
	EOS   bool   `json:"eos,omitempty"`
}

func (b metacacheBlock) headerKV() map[string]string {
	json := jsoniter.ConfigCompatibleWithStandardLibrary
	v, err := json.Marshal(b)
	if err != nil {
		bugLogIf(context.Background(), err) // Unlikely
		return nil
	}
	return map[string]string{fmt.Sprintf("%s-metacache-part-%d", ReservedMetadataPrefixLower, b.n): string(v)}
}

		return
	}

	chEntries, err := listServerConfigHistory(ctx, objectAPI, true, count)
	if err != nil {
		writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
		return
	}

	data, err := json.Marshal(chEntries)
	if err != nil {
		writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
		return
	}

	password := cred.SecretKey
	econfigData, err := madmin.EncryptData(password, data)

	data := make([]byte, 4, config.Msgsize()+4)

	// Initialize the header.
	binary.LittleEndian.PutUint16(data[0:2], tierConfigFormat)
	binary.LittleEndian.PutUint16(data[2:4], tierConfigVersion)

	// Marshal the tier config
	return config.MarshalMsg(data)
}

// getDriver returns a warmBackend interface object initialized with remote tier config matching tierName

func (ies *IAMEtcdStore) getUsersSysType() UsersSysType {
	return ies.usersSysType
}

func (ies *IAMEtcdStore) saveIAMConfig(ctx context.Context, item any, itemPath string, opts ...options) error {
	data, err := json.Marshal(item)
	if err != nil {
		return err
	}
	if GlobalKMS != nil {
		data, err = config.EncryptBytes(GlobalKMS, data, kms.Context{
			minioMetaBucket: path.Join(minioMetaBucket, itemPath),
		})