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

import "dart:async";

static method add(core::int x) → void {}
static method add2(core::int y) → dynamic {}
static method test() → dynamic {
  asy::Future<core::int> f;
  dynamic a = f.then(self::add);
  dynamic b = f.then(self::add2);
}
static method main() → dynamic {}