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import UIKit

class CurrentNavigationController: UINavigationController {
    
    override var supportedInterfaceOrientations: UIInterfaceOrientationMask {
        return UIInterfaceOrientationMask.portrait
    }
    
    override var preferredInterfaceOrientationForPresentation: UIInterfaceOrientation {
        return UIInterfaceOrientation.portrait
    }
}