* Hooks (Before/After Create/Save/Update/Delete/Find)
* Eager loading with `Preload`, `Joins`
* Transactions, Nested Transactions, Save Point, RollbackTo to Saved Point
* Context, Prepared Statement Mode, DryRun Mode
* Batch Insert, FindInBatches, Find To Map
* SQL Builder, Upsert, Locking, Optimizer/Index/Comment Hints, NamedArg, Search/Update/Create with SQL Expr
* Composite Primary Key
* Auto Migrations
* Logger

func (er *erasureObjects) healObject(ctx context.Context, bucket string, object string, versionID string, opts madmin.HealOpts) (result madmin.HealResultItem, err error) {
	dryRun := opts.DryRun
	scanMode := opts.ScanMode

	storageDisks := er.getDisks()
	storageEndpoints := er.getEndpoints()

	defer func() {
		er.auditHealObject(ctx, bucket, object, versionID, result, err)
	}()

	if err != nil {
		writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
		return
	}

	updateStatus := madmin.ServerUpdateStatusV2{
		DryRun:  dryRun,
		Results: make([]madmin.ServerPeerUpdateStatus, 0, len(globalNotificationSys.allPeerClients)),
	}
	peerResults := make(map[string]madmin.ServerPeerUpdateStatus, len(globalNotificationSys.allPeerClients))

}

// SignalService - sends signal to peer nodes.
func (client *peerRESTClient) SignalService(sig serviceSignal, subSys string, dryRun bool, execAt *time.Time) error {
	values := grid.NewMSS()
	values.Set(peerRESTSignal, strconv.Itoa(int(sig)))
	values.Set(peerRESTDryRun, strconv.FormatBool(dryRun))
	values.Set(peerRESTSubSys, subSys)
	if execAt != nil {
		values.Set(peerRESTExecAt, execAt.Format(time.RFC3339Nano))
	}

			execG: execG[T]{g: v},
		},
	}
	return v
}

type g[T any] struct {
	*createG[T]
	db  *DB
	ops []op
}

func (g *g[T]) apply(ctx context.Context) *DB {
	db := g.db
	if !db.DryRun {
		db = db.Session(&Session{NewDB: true, Context: ctx}).getInstance()
	}

	for _, op := range g.ops {
		db = op(db)
	}
	return db
}

		}
	}

	return
}

func (m Migrator) GetQueryAndExecTx() (queryTx, execTx *gorm.DB) {
	queryTx = m.DB.Session(&gorm.Session{})
	execTx = queryTx
	if m.DB.DryRun {
		queryTx.DryRun = false
		execTx = m.DB.Session(&gorm.Session{Logger: &printSQLLogger{Interface: m.DB.Logger}})
	}
	return queryTx, execTx
}

// AutoMigrate auto migrate values

	SetDriveCounts() []int                              // list of erasure stripe size for each pool in order.

	// Healing operations.
	HealFormat(ctx context.Context, dryRun bool) (madmin.HealResultItem, error)
	HealBucket(ctx context.Context, bucket string, opts madmin.HealOpts) (madmin.HealResultItem, error)

func (sys *NotificationSys) SignalServiceV2(sig serviceSignal, dryRun bool, execAt *time.Time) []NotificationPeerErr {
	ng := WithNPeers(len(sys.peerClients))
	for idx, client := range sys.peerClients {
		if client == nil {
			continue
		}
		client := client
		ng.Go(GlobalContext, func() error {
			return client.SignalService(sig, "", dryRun, execAt)
		}, idx, *client.host)
	}
	return ng.Wait()
}

	case serviceRestart, serviceStop:
		dryRun := vars.Get("dry-run") == "true" // This is only supported for `restart/stop`

		waitingDisks := waitingDrivesNode()
		if len(waitingDisks) > 0 {
			buf, err := json.Marshal(waitingDisks)
			if err != nil {
				return np, grid.NewRemoteErr(err)
			}
			return np, grid.NewRemoteErrString(string(buf))
		}
		if !dryRun {
			globalServiceSignalCh <- signal
		}

			if err == nil {
				buckets[i].Created = createdAt
			}
		}
	}
	return buckets, nil
}

func (z *erasureServerPools) HealFormat(ctx context.Context, dryRun bool) (madmin.HealResultItem, error) {
	// Acquire lock on format.json
	formatLock := z.NewNSLock(minioMetaBucket, formatConfigFile)
	lkctx, err := formatLock.GetLock(ctx, globalOperationTimeout)
	if err != nil {