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

class A extends core::Object {
  synthetic constructor •() → void
    : super core::Object::•()
    ;
  method foo() → dynamic
    return null;
}
class B extends core::Object {
  field self::A a = null;
  synthetic constructor •() → void
    : super core::Object::•()
    ;
  method bar() → asy::Future<dynamic> async 
    return this.{self::B::a}.foo();
}
class C extends core::Object {
  field self::B b = new self::B::•();
  synthetic constructor •() → void
    : super core::Object::•()
    ;
  method baz() → asy::Future<core::int> async 
    return this.{self::C::b}.bar();
}
static method main() → dynamic {}