fix swiftgen analysis

Author: liamappelbe

pkgs/swiftgen/example/generate_code.dart

@@ -7,6 +7,7 @@ import 'dart:io';
 import 'package:ffigen/ffigen.dart' as fg;
 import 'package:logging/logging.dart';
 import 'package:pub_semver/pub_semver.dart';
+import 'package:swift2objc/swift2objc.dart' as swift2objc;
 import 'package:swiftgen/swiftgen.dart';
 
 Future<void> main() async {
@@ -23,7 +24,7 @@ Future<void> main() async {
       ),
     ),
     inputs: const [SwiftModuleInput(module: 'AVFAudio')],
-    include: (d) => d.name == 'AVAudioPlayer',
+    include: (swift2objc.Declaration d) => d.name == 'AVAudioPlayer',
     output: Output(
       swiftWrapperFile: SwiftWrapperFile(
         path: Uri.file('avf_audio_wrapper.swift'),

pkgs/swiftgen/example/pubspec.yaml

@@ -16,6 +16,7 @@ dependencies:
   logging: ^1.3.0
   objective_c: ^9.1.0-dev
   pub_semver: ^2.2.0
+  swift2objc: ^0.1.0
   swiftgen:
     path: ..