library /*isNonNullableByDefault*/;
import self as self;
import "dart:core" as core;

class A extends core::Object /*hasConstConstructor*/  {
  final field core::int foo;
  const constructor •(core::int foo) → self::A
    : self::A::foo = foo, super core::Object::•()
    ;
}
class B extends self::A /*hasConstConstructor*/  {
  const constructor •(core::int foo) → self::B
    : super self::A::•(foo)
    ;
}
class C extends self::B /*hasConstConstructor*/  {
  const constructor •(core::int foo) → self::C
    : super self::B::•(foo)
    ;
}
class D extends self::B /*hasConstConstructor*/  {
  const constructor •(core::int foo) → self::D
    : super self::B::•(foo)
    ;
  operator ==(dynamic other) → core::bool
    ;
}
static method bar(self::B b) → dynamic
  ;
static method main() → dynamic
  ;