library test;
import self as self;
import "dart:async" as asy;
import "dart:core" as core;

import "dart:async";

static method test() → dynamic {
  asy::Future<core::int*>* f;
  asy::Future<core::List<core::int*>*>* b = f.{asy::Future::then}<core::List<dynamic>*>((core::int* x) → core::List<dynamic>* => <dynamic>[]){((core::int*) →* FutureOr<core::List<dynamic>*>*, {onError: core::Function*}) →* asy::Future<core::List<dynamic>*>*}.{asy::Future::whenComplete}(() → Null {}){(() →* FutureOr<void>*) →* asy::Future<core::List<dynamic>*>*} as{TypeError} asy::Future<core::List<core::int*>*>*;
  b = f.{asy::Future::then}<core::List<core::int*>*>((core::int* x) → core::List<core::int*>* => <core::int*>[]){((core::int*) →* FutureOr<core::List<core::int*>*>*, {onError: core::Function*}) →* asy::Future<core::List<core::int*>*>*};
}
static method main() → dynamic {}