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

abstract class A extends core::Object {
  default constructor •() → void
    : super core::Object::•()
    ;
  abstract get x() → core::int;
}
abstract class B extends core::Object {
  default constructor •() → void
    : super core::Object::•()
    ;
  abstract get x() → core::int;
}
abstract class C extends core::Object {
  default constructor •() → void
    : super core::Object::•()
    ;
  abstract get x() → core::num;
}
abstract class D extends core::Object {
  default constructor •() → void
    : super core::Object::•()
    ;
  abstract get x() → core::double;
}
class E extends self::A implements self::B {
  field core::int x = null;
  default constructor •() → void
    : super self::A::•()
    ;
}
class F extends self::A implements self::C {
  field dynamic x = null;
  default constructor •() → void
    : super self::A::•()
    ;
}
class G extends self::A implements self::D {
  field dynamic x = null;
  default constructor •() → void
    : super self::A::•()
    ;
}
class H extends self::C implements self::D {
  field dynamic x = null;
  default constructor •() → void
    : super self::C::•()
    ;
}
static method main() → dynamic {}