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

class C extends core::Object {
  field core::int? m1;
  field core::int m2;
  synthetic constructor •() → self::C
    ;
  get property() → self::C
    ;
  method test() → dynamic
    ;
  operator [](core::int index) → core::int?
    ;
  operator []=(core::int index, core::int value) → void
    ;
  method method() → dynamic
    ;
}
class D extends core::Object {
  synthetic constructor •() → self::D
    ;
  get property() → self::D
    ;
  method test() → dynamic
    ;
  operator [](core::int index) → core::int
    ;
  operator []=(core::int index, core::int value) → void
    ;
}
static method main() → dynamic
  ;