* Provides methods for user management and authentication operations.
 */
public interface AuthenticationChain {

    /**
     * Updates an existing user in the authentication chain.
     * @param user The user to update.
     */
    void update(User user);

    /**
     * Deletes a user from the authentication chain.
     * @param user The user to delete.
     */
    void delete(User user);

To update the configuration, use `mc admin config get` command to get the current configuration.

```sh
$ mc admin config get myminio/ notify_mqtt
notify_mqtt:1 broker="" password="" queue_dir="" queue_limit="0" reconnect_interval="0s"  keep_alive_interval="0s" qos="0" topic="" username=""
```

        configHelper.setLoadCallback(() -> {
            latch.countDown();
            return 1;
        });

        configHelper.update();
        configHelper.update();
        configHelper.update();

        assertTrue("All load methods should be called within 5 seconds", latch.await(5, TimeUnit.SECONDS));
        assertEquals(3, configHelper.getLoadCallCount());
    }

        }
    }

    private static byte[] deriveKey(final byte[] masterKey, final String cnst) {
        final MessageDigest md5 = Crypto.getMD5();
        md5.update(masterKey);
        md5.update(cnst.getBytes(StandardCharsets.US_ASCII));
        md5.update((byte) 0);
        return md5.digest();
    }

    @Override
    public boolean supportsIntegrity() {
        return true;
    }

    @Override

	if user4.Age != 55 {
		t.Errorf("Failed to set change to 55, got %v", user4.Age)
	}

	if updatedAt1.Format(time.RFC3339Nano) == user4.UpdatedAt.Format(time.RFC3339Nano) {
		t.Errorf("UpdateAt should be changed when update values with assign")
	}

	DB.Where(&User{Name: "find or create 4"}).Assign(User{Age: 44}).FirstOrCreate(&user4)
	if user4.Name != "find or create 4" || user4.ID == 0 || user4.Age != 44 {

    }

    /**
     * Update an existing protected words entry in the specified dictionary.
     *
     * @param dictId identifier of the dictionary
     * @param body update request payload
     * @return JSON response containing update result and entry ID
     */
    // PUT /api/admin/dict/protwords/setting/{dictId}
    @Execute

	ID    uint
	Name  string `gorm:"-"`
	Name2 string `gorm:"->"`
	Name3 string `gorm:"<-"`
	Name4 string `gorm:"<-:create"`
	Name5 string `gorm:"<-:update"`
	Name6 string `gorm:"<-:create,update"`
	Name7 string `gorm:"->:false;<-:create,update"`
	Name8 string `gorm:"->;-:migration"`
}

func TestParseFieldWithPermission(t *testing.T) {

        doInsert(entity, null);
    }

    public void update(AccessToken entity) {
        doUpdate(entity, null);
    }

    public void update(AccessToken entity, RequestOptionCall<IndexRequestBuilder> opLambda) {
        entity.asDocMeta().indexOption(opLambda);
        doUpdate(entity, null);
    }

    public void insertOrUpdate(AccessToken entity) {

        doInsert(entity, null);
    }

    public void update(ElevateWordToLabel entity) {
        doUpdate(entity, null);
    }

    public void update(ElevateWordToLabel entity, RequestOptionCall<IndexRequestBuilder> opLambda) {
        entity.asDocMeta().indexOption(opLambda);
        doUpdate(entity, null);
    }

    public void insertOrUpdate(ElevateWordToLabel entity) {

        doInsert(entity, null);
    }

    public void update(KeyMatch entity) {
        doUpdate(entity, null);
    }

    public void update(KeyMatch entity, RequestOptionCall<IndexRequestBuilder> opLambda) {
        entity.asDocMeta().indexOption(opLambda);
        doUpdate(entity, null);
    }

    public void insertOrUpdate(KeyMatch entity) {