=.= Why shouldAutorotate not work in swift

ViewController.h

#import <UIKit/UIKit.h>

@interface UIViewController (OwO)

- (BOOL)shouldAutorotate;

@end

@implementation UIViewController (OwO)

- (BOOL)shouldAutorotate {
    NSLog(@"Work");
    return false;
}

@end

@interface ViewController : UIViewController

@end

ViewController.m

#import "ViewController.h"

@implementation ViewController

@end

ViewController.swift

import UIKit

extension UIViewController {
    
    var shouldAutorotate: Bool {
        print("Not Work")
        return false
    }
    
}

class ViewController: UIViewController {

}