// TraceOutput will print debug information on non-200 calls if set.
	TraceOutput io.Writer // Debug trace output

	httpClient *http.Client
	url        *url.URL
	auth       func() string

	sync.RWMutex // mutex for lastErr
	lastErr      error
	lastErrTime  time.Time
}

type restError string

func (e restError) Error() string {
	return string(e)
}

func (e restError) Timeout() bool {

	HasOne    []*Relationship
	BelongsTo []*Relationship
	HasMany   []*Relationship
	Many2Many []*Relationship
	Relations map[string]*Relationship

	EmbeddedRelations map[string]*Relationships

	Mux sync.RWMutex
}

type Relationship struct {
	Name                     string
	Type                     RelationshipType
	Field                    *Field
	Polymorphic              *Polymorphic

		},
	}

	config.RegisterHelpDeprecatedSubSys(deprecatedHelpKVMap)
}

var (
	// globalServerConfig server config.
	globalServerConfig   config.Config
	globalServerConfigMu sync.RWMutex
)

func validateSubSysConfig(ctx context.Context, s config.Config, subSys string, objAPI ObjectLayer) error {
	switch subSys {
	case config.SiteSubSys:

type replicationResyncer struct {
	// map of bucket to their resync status
	statusMap      map[string]BucketReplicationResyncStatus
	workerSize     int
	resyncCancelCh chan struct{}
	workerCh       chan struct{}
	sync.RWMutex
}

const (
	replicationDir      = ".replication"
	resyncFileName      = "resync.bin"
	resyncMetaFormat    = 1
	resyncMetaVersionV1 = 1
	resyncMetaVersion   = resyncMetaVersionV1
)

			return err
		}
	}
	return nil
}

//go:generate msgp -file $GOFILE -unexported

// batchJobInfo current batch replication information
type batchJobInfo struct {
	mu sync.RWMutex `json:"-" msg:"-"`

	Version       int       `json:"-" msg:"v"`
	JobID         string    `json:"jobID" msg:"jid"`
	JobType       string    `json:"jobType" msg:"jt"`
	StartTime     time.Time `json:"startTime" msg:"st"`

	"github.com/minio/pkg/v3/sync/errgroup"
	"github.com/puzpuzpuz/xsync/v3"
)

// IAMObjectStore implements IAMStorageAPI
type IAMObjectStore struct {
	// Protect access to storage within the current server.
	sync.RWMutex

	*iamCache

	usersSysType UsersSysType

	objAPI ObjectLayer
}

func newIAMObjectStore(objAPI ObjectLayer, usersSysType UsersSysType) *IAMObjectStore {
	return &IAMObjectStore{

// current design.
type erasureSets struct {
	sets []*erasureObjects

	// Reference format.
	format *formatErasureV3

	// erasureDisks mutex to lock erasureDisks.
	erasureDisksMu sync.RWMutex

	// Re-ordered list of disks per set.
	erasureDisks [][]StorageAPI

	// Distributed locker clients.
	erasureLockers setsDsyncLockers

	// Distributed lock owner (constant per running instance).

			Value: "",
		},
		KV{
			Key:   RegionKey,
			Value: "",
		},
	}

	DefaultRegionKVS = KVS{
		KV{
			Key:   RegionName,
			Value: "",
		},
	}
)

var siteLK sync.RWMutex

// Site - holds site info - name and region.
type Site struct {
	name   string
	region string
}

// Update safe update the new site name and region
func (s *Site) Update(n Site) {
	siteLK.Lock()

	}

	if oi.ReplicationStatus == replication.Replica {
		sizeS.replicaSize += oi.Size
		sizeS.replicaCount++
	}
}

type dynamicSleeper struct {
	mu sync.RWMutex

	// Sleep factor
	factor float64

	// maximum sleep cap,
	// set to <= 0 to disable.
	maxSleep time.Duration

	// Don't sleep at all, if time taken is below this value.

}

func wrapSRErr(err error) SRError {
	return SRError{Cause: err, Code: ErrInternalError}
}

// SiteReplicationSys - manages cluster-level replication.
type SiteReplicationSys struct {
	sync.RWMutex

	enabled bool

	// In-memory and persisted multi-site replication state.
	state srState

	iamMetaCache srIAMCache
}

type srState srStateV1