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

class A extends core::Object {
  synthetic constructor •() → self::A*
    ;
}
class B extends self::A {
  synthetic constructor •() → self::B*
    ;
  operator +(self::B* b) → self::A*
    ;
}
class C extends self::A {
  synthetic constructor •() → self::C*
    ;
}
static method main() → dynamic
  ;