Revert "Make flutter frontend server null safe" (#36417)
diff --git a/flutter_frontend_server/bin/starter.dart b/flutter_frontend_server/bin/starter.dart
index f78c3a2..8810136 100644
--- a/flutter_frontend_server/bin/starter.dart
+++ b/flutter_frontend_server/bin/starter.dart
@@ -2,6 +2,7 @@
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
+// @dart=2.8
library frontend_server;
import 'dart:io';
diff --git a/flutter_frontend_server/lib/server.dart b/flutter_frontend_server/lib/server.dart
index 49f8ffd..5b6543f 100644
--- a/flutter_frontend_server/lib/server.dart
+++ b/flutter_frontend_server/lib/server.dart
@@ -4,6 +4,7 @@
// ignore_for_file: avoid_print
+// @dart=2.8
library flutter_frontend_server;
import 'dart:async';
@@ -25,9 +26,9 @@
/// version for testing.
Future<int> starter(
List<String> args, {
- frontend.CompilerInterface? compiler,
- Stream<List<int>>? input,
- StringSink? output,
+ frontend.CompilerInterface compiler,
+ Stream<List<int>> input,
+ StringSink output,
}) async {
ArgResults options;
try {
diff --git a/flutter_frontend_server/pubspec.yaml b/flutter_frontend_server/pubspec.yaml
index b4cbec7..fc80828 100644
--- a/flutter_frontend_server/pubspec.yaml
+++ b/flutter_frontend_server/pubspec.yaml
@@ -18,7 +18,7 @@
# relative to this directory into //third_party/dart
environment:
- sdk: ">=2.12.0 <3.0.0"
+ sdk: ">=2.2.2 <3.0.0"
dependencies:
args: any
