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

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