             AudioServicesPlaySystemSound(soundID)
         }
         
+        // MARK: - Authentication
+        
         public static func authenticationTouchID(reason: String, handler: @escaping (Bool, LAError?) -> Void) {
             
             let context: LAContext = LAContext()

                return false
            }
        }
        
        //  http://stackoverflow.com/questions/8246070/ios-launching-settings-restrictions-url-scheme/8246814#8246814
        

        @discardableResult
        public static func openPrefsWiFi() -> Bool { return openPrefsRoot("WIFI") }
        
        // MARK: - Audio
        
        public static func playSystemSound(systemSoundID: OMSystemSoundID) {
            
            AudioServicesPlaySystemSound(SystemSoundID(systemSoundID.rawValue))
