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