import 'package:plugin_platform_interface/plugin_platform_interface.dart'; import 'ch934x_serial_method_channel.dart'; abstract class Ch934xSerialPlatform extends PlatformInterface { /// Constructs a Ch934xSerialPlatform. Ch934xSerialPlatform() : super(token: _token); static final Object _token = Object(); static Ch934xSerialPlatform _instance = MethodChannelCh934xSerial(); /// The default instance of [Ch934xSerialPlatform] to use. /// /// Defaults to [MethodChannelCh934xSerial]. static Ch934xSerialPlatform get instance => _instance; /// Platform-specific implementations should set this with their own /// platform-specific class that extends [Ch934xSerialPlatform] when /// they register themselves. static set instance(Ch934xSerialPlatform instance) { PlatformInterface.verifyToken(instance, _token); _instance = instance; } Future getPlatformVersion() { throw UnimplementedError('platformVersion() has not been implemented.'); } }