// tiers.
type allTierStats struct {
	Tiers map[string]tierStats `msg:"ts"`
}

func newAllTierStats() *allTierStats {
	return &allTierStats{
		Tiers: make(map[string]tierStats),
	}
}

func (ats *allTierStats) addSizes(tiers map[string]tierStats) {
	for tier, st := range tiers {
		ats.Tiers[tier] = ats.Tiers[tier].add(st)
	}
}

const tierCfgRefreshAtHdr = "X-MinIO-TierCfg-RefreshedAt"

// TierConfigMgr holds the collection of remote tiers configured in this deployment.
type TierConfigMgr struct {
	sync.RWMutex `msg:"-"`
	drivercache  map[string]WarmBackend `msg:"-"`

	Tiers           map[string]madmin.TierConfig `json:"tiers"`
	lastRefreshedAt time.Time                    `msg:"-"`
}

type tierMetrics struct {

* <a href="https://developers.liblab.com/tutorials/sdk-for-fastapi?utm_source=fastapi" class="external-link" target="_blank">liblab</a>

Some of these solutions may also be open source or offer free tiers, so you can try them without a financial commitment. Other commercial SDK generators are available and can be found online. 🤓

## Create a TypeScript SDK { #create-a-typescript-sdk }

	pendingSize     int64
	failedSize      int64
	replicaSize     int64
	replicaCount    int64
	pendingCount    uint64
	failedCount     uint64
	replTargetStats map[string]replTargetSizeSummary
	tiers           map[string]tierStats
}

// replTargetSizeSummary holds summary of replication stats by target
type replTargetSizeSummary struct {
	replicatedSize  int64
	replicatedCount int64
	pendingSize     int64