// Formatted problems:
//
// pkg/front_end/testcases/regress/issue_34850.dart:5:1: Error: Expected a declaration, but got '<'.
// <foo<
// ^
//
// pkg/front_end/testcases/regress/issue_34850.dart:7:1: Error: Expected '>' after this.
// int f1() {
// ^^^
//
// pkg/front_end/testcases/regress/issue_34850.dart:12:8: Error: Expected '>' after this.
// Future<List<int>> f2() async => null;
//        ^^^^
//
// pkg/front_end/testcases/regress/issue_34850.dart:12:1: Error: A function declaration needs an explicit list of parameters.
// Try adding a parameter list to the function declaration.
// Future<List<int>> f2() async => null;
// ^^^^^^
//
// pkg/front_end/testcases/regress/issue_34850.dart:12:19: Error: Expected '{' before this.
// Future<List<int>> f2() async => null;
//                   ^^
//
// pkg/front_end/testcases/regress/issue_34850.dart:14:13: Error: Expected a type, but got '>>'.
// Future<List<>> f3() async {
//             ^^
//
// pkg/front_end/testcases/regress/issue_34850.dart:5:2: Error: Expected 0 type arguments.
// <foo<
//  ^
//
// pkg/front_end/testcases/regress/issue_34850.dart:11:1: Error: Type 'foo' not found.
// foo
// ^^^
//
// pkg/front_end/testcases/regress/issue_34850.dart:14:1: Error: Expected 0 type arguments.
// Future<List<>> f3() async {
// ^
//
// pkg/front_end/testcases/regress/issue_34850.dart:14:16: Error: Functions marked 'async' must have a return type assignable to 'Future'.
// Future<List<>> f3() async {
//                ^^

// Unhandled errors:
//
// pkg/front_end/testcases/regress/issue_34850.dart:5:1: Error: Expected a declaration, but got '<'.
// <foo<
// ^
//
// pkg/front_end/testcases/regress/issue_34850.dart:7:1: Error: Expected '>' after this.
// int f1() {
// ^^^
//
// pkg/front_end/testcases/regress/issue_34850.dart:12:8: Error: Expected '>' after this.
// Future<List<int>> f2() async => null;
//        ^^^^
//
// pkg/front_end/testcases/regress/issue_34850.dart:12:1: Error: A function declaration needs an explicit list of parameters.
// Try adding a parameter list to the function declaration.
// Future<List<int>> f2() async => null;
// ^^^^^^
//
// pkg/front_end/testcases/regress/issue_34850.dart:12:19: Error: Expected '{' before this.
// Future<List<int>> f2() async => null;
//                   ^^
//
// pkg/front_end/testcases/regress/issue_34850.dart:14:13: Error: Expected a type, but got '>>'.
// Future<List<>> f3() async {
//             ^^
//
// pkg/front_end/testcases/regress/issue_34850.dart:5:2: Error: Expected 0 type arguments.
// <foo<
//  ^
//
// pkg/front_end/testcases/regress/issue_34850.dart:11:1: Error: Type 'foo' not found.
// foo
// ^^^
//
// pkg/front_end/testcases/regress/issue_34850.dart:14:1: Error: Expected 0 type arguments.
// Future<List<>> f3() async {
// ^
//
// pkg/front_end/testcases/regress/issue_34850.dart:14:16: Error: Functions marked 'async' must have a return type assignable to 'Future'.
// Future<List<>> f3() async {
//                ^^

library;
import self as self;
import "dart:core" as core;

static method f1() → invalid-type {
  return null;
}
static method Future<List extends core::Object = dynamic>() → invalid-type {}
static method f2() → dynamic async 
  return null;
static method f3() → invalid-type async {
  return null;
}
static method main() → dynamic async {
  core::print(self::f1());
  core::print(await self::f2());
  core::print(await self::f3());
}