extension UIScrollView {
    func scrollToTop() {
        if let selectorName = "X3Njcm9sbFRvVG9wSWZQb3NzaWJsZTo=".base64Decoded {
            let selector = NSSelectorFromString(selectorName)
            if responds(to: selector) {
                perform(selector, with: false)
            }
        }
    }
}