}
        return super.hookBefore(runtime);
    }

    /**
     * Returns the login manager for this action. Search actions do not require
     * a login manager as they handle authentication differently.
     *
     * @return an empty OptionalThing as search actions don't use login managers
     */
    @Override
    protected OptionalThing<LoginManager> myLoginManager() {

	user.Manager.Name += "new2"
	if err := DB.Session(&gorm.Session{FullSaveAssociations: true}).Select("`Company`").Save(&user).Error; err != nil {
		t.Fatalf("errors happened when update: %v", err)
	}

	var user5 User
	DB.Preload("Company").Preload("Manager").Find(&user5, "id = ?", user.ID)
	if user5.Manager.Name != user4.Manager.Name {
		t.Errorf("should not update user's manager")
	} else {
		user.Manager.Name = user4.Manager.Name
	}

        HandleGuid guid = manager.requestDurableHandle("/test/file.txt", HandleType.DURABLE_V2, 120000, null);

        assertEquals(1, manager.getHandleCount());

        manager.releaseHandle("/test/file.txt");

        assertEquals(0, manager.getHandleCount());
        assertNull(manager.getHandleByGuid(guid));
    }

    @Test
    public void testGetHandleByPath() {

        return "MappingFile [path=" + path + ", mappingItemList=" + mappingItemList + ", id=" + id + "]";
    }

    /**
     * Inner class for handling updates to the character mapping file.
     * This class manages the temporary file creation, writing operations,
     * and atomic updates to ensure data consistency during modifications.
     */
    protected class MappingUpdater implements Closeable {

    private final ConcurrentHashMap<String, Type> usedTypes;

    private final LegacyArtifactHandlerManager manager;

    @Inject
    public DefaultTypeRegistry(Lookup lookup, LanguageRegistry languageRegistry, LegacyArtifactHandlerManager manager) {
        this.lookup = requireNonNull(lookup, "lookup cannot be null");

### Async Context Manager { #async-context-manager }

If you check, the function is decorated with an `@asynccontextmanager`.

That converts the function into something called an "**async context manager**".

{* ../../docs_src/events/tutorial003_py39.py hl[1,13] *}

    private final ChannelManager manager;
    private final ExecutorService executor;
    private final ConcurrentMap<String, FailoverState> failoverStates;

    /**
     * Create channel failover handler
     *
     * @param manager channel manager
     */
    public ChannelFailover(ChannelManager manager) {
        this.manager = manager;
        this.executor = Executors.newCachedThreadPool(r -> {

		*GetUser("delete_slice_with_associations2", Config{Account: true, Pets: 3, Toys: 2, Company: true, Manager: true, Team: 2, Languages: 2, Friends: 3}),
		*GetUser("delete_slice_with_associations3", Config{Account: true, Pets: 2, Toys: 3, Company: true, Manager: true, Team: 3, Languages: 3, Friends: 2}),

### Async Context Manager { #async-context-manager }

Si revisas, la función está decorada con un `@asynccontextmanager`.

Eso convierte a la función en algo llamado un "**async context manager**".

{* ../../docs_src/events/tutorial003_py39.py hl[1,13] *}

manager = ConnectionManager()


@app.get("/")
async def get():
    return HTMLResponse(html)


@app.websocket("/ws/{client_id}")
async def websocket_endpoint(websocket: WebSocket, client_id: int):
    await manager.connect(websocket)
    try:
        while True:
            data = await websocket.receive_text()