if err := tx2.First(&User{}, "name = ?", user2.Name).Error; err != nil {
					t.Fatalf("Should find saved record")
				}

				return errors.New("inner rollback")
			}); err == nil {
				t.Fatalf("nested transaction has no error")
			}

			return errors.New("rollback")
		}); err == nil {
			t.Fatalf("nested transaction should returns error")
		}

        this.targetClass = targetClass
    }

    def void addMixin(String plugin, String mixinClass) {
        mixinClasses.add(new MixinMetaData(plugin, mixinClass))
    }

    def void addExtension(String plugin, String extension, String extensionClass) {
        extensionClasses.add(new ExtensionMetaData(plugin, extension, extensionClass))
    }

## Description


## Motivation and Context


## How to test this PR?


## Types of changes
- [ ] Bug fix (non-breaking change which fixes an issue)
- [ ] New feature (non-breaking change which adds functionality)
- [ ] Optimization (provides speedup with no functional changes)
- [ ] Breaking change (fix or feature that would cause existing functionality to change)

## Checklist:

	callbackTypeAfterDelete  callbackType = "AfterDelete"
	callbackTypeAfterFind    callbackType = "AfterFind"
)

// ErrUnsupportedDataType unsupported data type
var ErrUnsupportedDataType = errors.New("unsupported data type")

type Schema struct {
	Name                      string
	ModelType                 reflect.Type
	Table                     string
	PrioritizedPrimaryField   *Field

	// Managed values.
	val          atomic.Pointer[T]
	lastUpdateMs atomic.Int64
	updating     sync.Mutex
}

// New allocates a new cached value instance. Tt must be initialized with
// `.TnitOnce`.
func New[T any]() *Cache[T] {
	return &Cache[T]{}
}

// NewFromFunc allocates a new cached value instance and initializes it with an
// update function, making it ready for use.

	aes128cbcID        = "aes128-cbc"
	tripledescbcID     = "3des-cbc"
)

var (
	errSFTPPublicKeyBadFormat = errors.New("the public key provided could not be parsed")
	errSFTPUserHasNoPolicies  = errors.New("no policies present on this account")
	errSFTPLDAPNotEnabled     = errors.New("ldap authentication is not enabled")
)

// if the sftp parameter --trusted-user-ca-key is set, then

				}
			}
			return nil, err
		}
		if len(b) > 0 {
			return nil, errors.New(string(b))
		}
		return nil, errors.New(resp.Status)
	}
	if !c.NoMetrics {
		resp.Body = &respBodyMonitor{ReadCloser: resp.Body, expectTimeouts: expectTimeouts}
	}
	return resp.Body, nil
}

			path:   kmsKeyCreatePath,
			query:  map[string]string{"key-id": "new-test-key"},
			asRoot: false,

			wantStatusCode: http.StatusForbidden,
			wantResp:       []string{"AccessDenied"},
		},
		{
			name:   "create key as user with no resources specified want success",
			method: http.MethodPost,
			path:   kmsKeyCreatePath,
			query:  map[string]string{"key-id": "new-test-key"},
			asRoot: false,

			policy: `{"Effect": "Allow",

			old = []byte(tt.old)
			new = []byte(tt.new)
		)
		if !asan.Enabled {
			allocs := testing.AllocsPerRun(10, func() { Replace(in, old, new, tt.n) })
			if allocs > 1 {
				t.Errorf("Replace(%q, %q, %q, %d) allocates %.2f objects", tt.in, tt.old, tt.new, tt.n, allocs)
			}
		}
		in = append(in, "<spare>"...)
		in = in[:len(tt.in)]
		out := Replace(in, old, new, tt.n)
		if s := string(out); s != tt.out {

	)
}

// NewCounterMD - creates a new counter metric descriptor.
func NewCounterMD(name MetricName, help string, labels ...string) MetricDescriptor {
	return MetricDescriptor{
		Name:           name,
		Type:           CounterMT,
		Help:           help,
		VariableLabels: labels,
	}
}

// NewGaugeMD - creates a new gauge metric descriptor.