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>[]).{asy::Future::whenComplete}(() → Null {}) 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*>[]);
}
static method main() → dynamic {}