}
	// Copy over the new tier configs
	for tier, cfg := range newConfig.Tiers {
		config.Tiers[tier] = cfg
	}
	config.lastRefreshedAt = UTCNow()
	return nil
}

// Save saves tier configuration onto objAPI
func (config *TierConfigMgr) Save(ctx context.Context, objAPI ObjectLayer) error {
	if objAPI == nil {
		return errServerNotInitialized
	}

	pr, opts, err := globalTierConfigMgr.configReader(ctx)

	UpdatedAt  time.Time
}

// SRBucketDeleteOp - type of delete op
type SRBucketDeleteOp string

const (
	// MarkDelete creates .minio.sys/buckets/.deleted/<bucket> vol entry to hold onto deleted bucket's state
	// until peers are synced in site replication setup.
	MarkDelete SRBucketDeleteOp = "MarkDelete"

	// Purge deletes the .minio.sys/buckets/.deleted/<bucket> vol entry