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

class I1 extends core::Object {
  field core::int x;
  synthetic constructor •() → self::I1
    ;
}
class I2 extends self::I1 {
  field core::int y;
  synthetic constructor •() → self::I2
    ;
}
class A extends core::Object {
  final field self::I1 a;
  synthetic constructor •() → self::A
    ;
}
class B extends core::Object {
  final field self::I2 a;
  synthetic constructor •() → self::B
    ;
}
class C1 extends core::Object implements self::A, self::B {
  synthetic constructor •() → self::C1
    ;
  get a() → self::I2
    ;
}
class C2 extends core::Object implements self::B, self::A {
  synthetic constructor •() → self::C2
    ;
  get a() → self::I2
    ;
}
static method main() → dynamic
  ;