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

import "dart:async";

class A extends core::Object {
  synthetic constructor •() → self::A*
    ;
  method foo() → dynamic
    ;
}
class B extends core::Object {
  field self::A* a;
  synthetic constructor •() → self::B*
    ;
  method bar() → asy::Future<dynamic>*
    ;
}
class C extends core::Object {
  field self::B* b;
  synthetic constructor •() → self::C*
    ;
  method baz() → asy::Future<core::int*>*
    ;
}
static method main() → dynamic
  ;