Even more types
diff --git a/packages/flutter_tools/lib/src/ios/mac.dart b/packages/flutter_tools/lib/src/ios/mac.dart
index 0b83657..cd72155 100644
--- a/packages/flutter_tools/lib/src/ios/mac.dart
+++ b/packages/flutter_tools/lib/src/ios/mac.dart
@@ -181,7 +181,7 @@
}
}
-Future _addServicesToBundle(Directory bundle) async {
+Future<Null> _addServicesToBundle(Directory bundle) async {
List<Map<String, String>> services = [];
printTrace("Trying to resolve native pub services.");
@@ -200,7 +200,7 @@
_copyServiceDefinitionsManifest(services, manifestFile);
}
-Future _copyServiceFrameworks(List<Map<String, String>> services, Directory frameworksDirectory) async {
+Future<Null> _copyServiceFrameworks(List<Map<String, String>> services, Directory frameworksDirectory) async {
printTrace("Copying service frameworks to '${path.absolute(frameworksDirectory.path)}'.");
frameworksDirectory.createSync(recursive: true);
for (Map<String, String> service in services) {