if err := json.Unmarshal(b, format); err != nil {
		return "", err
	}
	return format.Erasure.Version, nil
}

// Migrates all previous versions to latest version of `format.json`,
// this code calls migration in sequence, such as V1 is migrated to V2
// first before it V2 migrates to V3.n
func formatErasureMigrate(export string) ([]byte, fs.FileInfo, error) {
	formatPath := pathJoin(export, minioMetaBucket, formatConfigFile)

		}); err != nil {
			return err
		}
	}

	return e.EncodeToken(start.End())
}

// ObjectInternalInfo contains some internal information about a given
// object, it will printed in listing calls with enabled metadata.
type ObjectInternalInfo struct {
	K int // Data blocks
	M int // Parity blocks
}

// Object container for object metadata
type Object struct {
	Key          string

					ObjectOptions{
						DeletePrefix:       true, // use prefix delete to delete all versions at once.
						DeletePrefixObject: true, // use prefix delete on exact object (this is an optimization to avoid fan-out calls)
						NoAuditLog:         true,
					},
				)
				stopFn(err)
				auditLogDecom(ctx, "DecomDeleteObject", bi.Name, entry.name, "", err)
				if err != nil {
					decomLogIf(ctx, err)
				}
			}

func (ies *IAMEtcdStore) loadPolicyDocs(ctx context.Context, m map[string]PolicyDoc) error {
	ctx, cancel := context.WithTimeout(ctx, defaultContextTimeout)
	defer cancel()
	//  Retrieve all keys and values to avoid too many calls to etcd in case of
	//  a large number of policies
	r, err := ies.client.Get(ctx, iamConfigPoliciesPrefix, etcd.WithPrefix())
	if err != nil {
		return err
	}

| `minio_system_network_internode_dial_errors_total`   | `counter` | Total number of internode TCP dial timeouts and errors   | `server,pool_index` |
| `minio_system_network_internode_dial_avg_time_nanos` | `gauge`   | Average dial time of internodes TCP calls in nanoseconds | `server,pool_index` |

| `minio_inter_node_traffic_dial_avg_time`  | Average time of internodes TCP dial calls.              |
| `minio_inter_node_traffic_dial_errors`    | Total number of internode TCP dial timeouts and errors. |
| `minio_inter_node_traffic_errors_total`   | Total number of failed internode calls.                 |
| `minio_inter_node_traffic_received_bytes` | Total number of bytes received from other peer nodes.   |

// handlers.
//
// It is set per-"handler function registration" in the router to allow for
// behavior modification via flags.
//
// This middleware always calls `collectAPIStats` to collect API stats.
//
// The passed in handler function must be a method of `objectAPIHandlers` for
// the name displayed in logs and trace to be accurate. The name is extracted
// via reflection.
//

	r.qCache.bucketStats[bucket] = v

	atomic.AddInt64(&r.qCache.srQueueStats.nowBytes, -1*sz)
	atomic.AddInt64(&r.qCache.srQueueStats.nowCount, -1)
}

// incProxy increments proxy metrics for proxied calls
func (r *ReplicationStats) incProxy(bucket string, api replProxyAPI, isErr bool) {
	r.pCache.inc(bucket, api, isErr)
}

func (r *ReplicationStats) getProxyStats(bucket string) ProxyMetric {

					_, err := api.DeleteObject(ctx, exp.Bucket, encodeDirObject(exp.Name), ObjectOptions{
						DeletePrefix:       true,
						DeletePrefixObject: true, // use prefix delete on exact object (this is an optimization to avoid fan-out calls)
					})
					if err != nil {
						stopFn(exp, err)
						batchLogIf(ctx, fmt.Errorf("Failed to expire %s/%s versionID=%s due to %v (attempts=%d)", toExpire[i].Bucket, toExpire[i].Name, toExpire[i].VersionID, err, attempts))

		Scheme: scheme,
		Host:   peer.String(),
		Path:   peerRESTPath,
	}

	restClient := rest.NewClient(serverURL, globalInternodeTransport, newCachedAuthToken())
	// Use a separate client to avoid recursive calls.
	healthClient := rest.NewClient(serverURL, globalInternodeTransport, newCachedAuthToken())
	healthClient.NoMetrics = true

	// Construct a new health function.
	restClient.HealthCheckFn = func() bool {