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

static method test() → dynamic {
  asy::Future<core::int> f;
  asy::Future<core::List<core::int>> b = f.then((dynamic x) → dynamic => <dynamic>[]).whenComplete(() → dynamic {});
  b = f.then((dynamic x) → dynamic => <dynamic>[]);
}
static method main() → dynamic {}