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@objc private func changeTheme() {
        if themeSwitcher.isOn {
            UIApplication.shared.windows.first?.overrideUserInterfaceStyle = .dark
            UserDefaults.standard.set("dark", forKey: "theme")
        } else {
            UIApplication.shared.windows.first?.overrideUserInterfaceStyle = .light
            UserDefaults.standard.set("light", forKey: "theme")

        }
    }