import Flutter import UIKit @available(iOS 13.0, *) public class SwiftNativeCryptoIosPlugin: NSObject, FlutterPlugin { public static func register(with registrar: FlutterPluginRegistrar) { let messenger : FlutterBinaryMessenger = registrar.messenger() let api : NativeCryptoAPI & NSObjectProtocol = NativeCrypto.init() NativeCryptoAPISetup.setUp(binaryMessenger: messenger, api: api); } }