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

import "org-dartlang-testcase:///required_parameter_mixed_from_opt_out_lib.dart";

class Super extends core::Object {
  synthetic constructor •() → self::Super
    : super core::Object::•()
    ;
  method method({required covariant-by-declaration core::int named = #C1}) → void {}
}
abstract class _Class&Super&Mixin = self::Super with req::Mixin /*isAnonymousMixin*/  {
  synthetic constructor •() → self::_Class&Super&Mixin
    : super self::Super::•()
    ;
  forwarding-stub method /*isLegacy*/ method({covariant-by-declaration core::int* named = #C1}) → void
    return super.{req::Mixin::method}(named: named);
  abstract member-signature operator /*isLegacy*/ ==(dynamic other) → core::bool*; -> core::Object::==
}
class Class extends self::_Class&Super&Mixin {
  synthetic constructor •() → self::Class
    : super self::_Class&Super&Mixin::•()
    ;
}
class SubClass extends self::Class {
  synthetic constructor •() → self::SubClass
    : super self::Class::•()
    ;
  method method({required covariant-by-declaration core::int named = #C1}) → void {}
}
static method main() → dynamic {}

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

abstract class Mixin extends core::Object /*isMixinDeclaration*/  {
  method method({core::int* named = #C1}) → void {}
  abstract member-signature get _identityHashCode() → core::int*; -> core::Object::_identityHashCode
  abstract member-signature method _instanceOf(dynamic instantiatorTypeArguments, dynamic functionTypeArguments, dynamic type) → core::bool*; -> core::Object::_instanceOf
  abstract member-signature method _simpleInstanceOf(dynamic type) → core::bool*; -> core::Object::_simpleInstanceOf
  abstract member-signature method _simpleInstanceOfTrue(dynamic type) → core::bool*; -> core::Object::_simpleInstanceOfTrue
  abstract member-signature method _simpleInstanceOfFalse(dynamic type) → core::bool*; -> core::Object::_simpleInstanceOfFalse
  abstract member-signature operator ==(dynamic other) → core::bool*; -> core::Object::==
  abstract member-signature get hashCode() → core::int*; -> core::Object::hashCode
  abstract member-signature method toString() → core::String*; -> core::Object::toString
  abstract member-signature method noSuchMethod(core::Invocation* invocation) → dynamic; -> core::Object::noSuchMethod
  abstract member-signature get runtimeType() → core::Type*; -> core::Object::runtimeType
}

constants  {
  #C1 = null
}