case LevelSerializable:
		return "Serializable"
	case LevelLinearizable:
		return "Linearizable"
	default:
		return "IsolationLevel(" + strconv.Itoa(int(i)) + ")"
	}
}

var _ fmt.Stringer = LevelDefault

// TxOptions holds the transaction options to be used in [DB.BeginTx].
type TxOptions struct {
	// Isolation is the transaction isolation level.

func (*XM) String() string { return "" }

func TestPtrToMethods(t *testing.T) {
	var y struct{ XM }
	yp := New(TypeOf(y)).Interface()
	_, ok := yp.(fmt.Stringer)
	if !ok {
		t.Fatal("does not implement Stringer, but should")
	}
}

func TestMapAlloc(t *testing.T) {
	m := ValueOf(make(map[int]int, 10))
	k := ValueOf(5)
	v := ValueOf(7)

-Key":"IAAfAJmMe2iPHYqi1FLv/Jl339DZMVoks8Mae8/kzYGvXSmj9GvfujdSlaj==","X-Minio-Internal-Server-Side-Encryption-Seal-Algorithm":"DAREv2-HMAC-SHA256","content-type":"application/octet-stream"}},{"Bucket":"buck1","Name":"go_113/src/cmd/internal/obj/stringer.go","UserDef":{"X-Minio-Internal-Server-Side-Encryption-Iv":"fdVrqICIRPOv4Bej25p1=","X-Minio-Internal-Server-Side-Encryption-S3-Kms-Key-Id":"my-minio-key","X-Minio-Internal-Server-Side-Encryption-S3-Kms-Sealed-Key":"IAAfAIpjNOPXVLZYu4rw/HprW2CHR...