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

class A extends core::Object {
  field core::int? field;
  synthetic constructor •() → self::A
    ;
}
class B extends core::Object implements self::A {
  field core::int? _#B#field;
  field core::bool _#B#field#isSet;
  synthetic constructor •() → self::B
    ;
  get field() → core::int?;
  set field(core::int? #t1) → void;
}
static method main() → dynamic
  ;