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

class A<T extends core::num = core::num> extends core::Object {
  synthetic constructor •() → void
    : super core::Object::•()
    ;
}
class B extends core::Object {
  synthetic constructor •() → void
    : super core::Object::•()
    ;
  method foo(self::A<core::num> a) → dynamic
    return null;
  method bar() → self::A<core::num>
    return null;
}
static method main() → dynamic {}