library /*isNonNullableByDefault*/;
import self as self;
import "dart:core" as core;
import "dart:async" as asy;

import "dart:async";

class C extends core::Object {
  synthetic constructor •() → self::C
    ;
  method m() → asy::Future<core::List<core::int>> async 
    ;
  method _m() → asy::Future<core::int> async 
    ;
}
static method main() → dynamic async 
  ;
static method expect(dynamic expected, dynamic actual) → dynamic
  ;