///

### Создайте `APIRouter` для обратного вызова { #create-a-callback-apirouter }

Сначала создайте новый `APIRouter`, который будет содержать один или несколько обратных вызовов.

{* ../../docs_src/openapi_callbacks/tutorial001_py310.py hl[1,23] *}

### Создайте *операцию пути* для обратного вызова { #create-the-callback-path-operation }

			fchown(fd, uid, gid, callback) { callback(enosys()); },
			fstat(fd, callback) { callback(enosys()); },
			fsync(fd, callback) { callback(null); },
			ftruncate(fd, length, callback) { callback(enosys()); },
			lchown(path, uid, gid, callback) { callback(enosys()); },
			link(path, link, callback) { callback(enosys()); },
			lstat(path, callback) { callback(enosys()); },
			mkdir(path, perm, callback) { callback(enosys()); },

    * Send a notification back to the API user (the external developer), as a callback.
        * At this point is that the API will somehow send a POST request to the
            external API with the notification of the invoice event
            (e.g. "payment successful").
    """
    # Send the invoice, collect the money, send the notification (the callback)
    return {"msg": "Invoice received"}

                )
                if request_body_oai:
                    operation["requestBody"] = request_body_oai
            if route.callbacks:
                callbacks = {}
                for callback in route.callbacks:
                    if isinstance(callback, routing.APIRoute):
                        (
                            cb_path,
                            cb_security_schemes,

	}

	p2.Code = "dont_save"
	if DB.Save(&p2).Error == nil {
		t.Fatalf("An error from before save callbacks happened when update with invalid value")
	}

	p3 := Product{Code: "dont_delete", Price: 100}
	DB.Save(&p3)
	if DB.Delete(&p3).Error == nil {
		t.Fatalf("An error from before delete callbacks happened when delete")
	}

func (db *DB) InstanceGet(key string) (interface{}, bool) {
	return db.Statement.Settings.Load(fmt.Sprintf("%p", db.Statement) + key)
}

// Callback returns callback manager
func (db *DB) Callback() *callbacks {
	return db.callbacks
}

// AddError add error to db
func (db *DB) AddError(err error) error {
	if err != nil {
		if db.Config.TranslateError {

        if lang_path.is_dir() and lang_path.name.startswith(incomplete):
            yield lang_path.name


@app.callback()
def callback() -> None:
    # For MacOS with Cairo
    os.environ["DYLD_FALLBACK_LIBRARY_PATH"] = "/opt/homebrew/lib"


@app.command()
def new_lang(lang: str = typer.Argument(..., callback=lang_callback)):
    """
    Generate a new docs translation directory for the language LANG.
    """

                        it.set(interpolator.interpolate(it.next(), callback));
                    }
                }
                commandLineBuilder.addOption(option);
            }
            for (String arg : commandLine.getArgList()) {
                commandLineBuilder.addArg(interpolator.interpolate(arg, callback));
            }
            return copy(source, cliManager, commandLineBuilder.get());

        UnaryOperator<String> callback = v -> {
            String r = request.getUserProperties().getProperty(v);
            if (r == null) {
                r = request.getSystemProperties().getProperty(v);
            }
            return r != null ? r : v;
        };
        return v -> interpolator.interpolate(v, callback);
    }

    static class SimpleSession extends DefaultSession {

    private UnaryOperator<String> callback;
    boolean substitute = true;
    boolean typed;

    public MavenProperties() {}

    public MavenProperties(Path location) throws IOException {
        this(location, null);
    }

    public MavenProperties(Path location, UnaryOperator<String> callback) throws IOException {
        this.location = location;
        this.callback = callback;