import 'package:plugin_platform_interface/plugin_platform_interface.dart'; import 'flutter_usb_serial_method_channel.dart'; abstract class FlutterUsbSerialPlatform extends PlatformInterface { /// Constructs a FlutterUsbSerialPlatform. FlutterUsbSerialPlatform() : super(token: _token); static final Object _token = Object(); static FlutterUsbSerialPlatform _instance = MethodChannelFlutterUsbSerial(); /// The default instance of [FlutterUsbSerialPlatform] to use. /// /// Defaults to [MethodChannelFlutterUsbSerial]. static FlutterUsbSerialPlatform get instance => _instance; /// Platform-specific implementations should set this with their own /// platform-specific class that extends [FlutterUsbSerialPlatform] when /// they register themselves. static set instance(FlutterUsbSerialPlatform instance) { PlatformInterface.verifyToken(instance, _token); _instance = instance; } Future getPlatformVersion() { throw UnimplementedError('platformVersion() has not been implemented.'); } }