pkg/front_end/testcases/nnbd/flutter_issue64155.dart.outline.expect

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

abstract class TestMixin<R extends core::Object? = dynamic, T extends core::Object? = dynamic> extends core::Object /*isMixinDeclaration*/  {
  method test(generic-covariant-impl asy::Future<self::TestMixin::R%> fetch) → asy::Future<self::TestMixin::T%> async 
    ;
}
class PagingResponse<T extends core::Object? = dynamic> extends core::Object {
  final field self::PagingResponseData<self::PagingResponse::T%> data;
  constructor •(self::PagingResponseData<self::PagingResponse::T%> data) → self::PagingResponse<self::PagingResponse::T%>
    ;
}
class PagingResponseData<T extends core::Object? = dynamic> extends core::Object {
  final field core::List<self::PagingResponseData::T%> data;
  constructor •(core::List<self::PagingResponseData::T%> data) → self::PagingResponseData<self::PagingResponseData::T%>
    ;
}
class Response<T extends core::Object? = dynamic> extends core::Object {
  final field self::Response::T% data;
  constructor •(self::Response::T% data) → self::Response<self::Response::T%>
    ;
}
abstract class _Class1&Object&TestMixin = core::Object with self::TestMixin<self::Response<core::String>, core::String> /*isAnonymousMixin,hasConstConstructor*/  {
  const synthetic constructor •() → self::_Class1&Object&TestMixin
    : super core::Object::•()
    ;
  mixin-super-stub method test(generic-covariant-impl asy::Future<self::Response<core::String>> fetch) → asy::Future<core::String>
    return super.{self::TestMixin::test}(fetch);
}
class Class1 extends self::_Class1&Object&TestMixin {
  synthetic constructor •() → self::Class1
    ;
  method _test() → dynamic
    ;
}
abstract class _Class2&Object&TestMixin = core::Object with self::TestMixin<self::PagingResponse<core::String>, core::String> /*isAnonymousMixin,hasConstConstructor*/  {
  const synthetic constructor •() → self::_Class2&Object&TestMixin
    : super core::Object::•()
    ;
  mixin-super-stub method test(generic-covariant-impl asy::Future<self::PagingResponse<core::String>> fetch) → asy::Future<core::String>
    return super.{self::TestMixin::test}(fetch);
}
class Class2 extends self::_Class2&Object&TestMixin {
  synthetic constructor •() → self::Class2
    ;
  method _test() → dynamic
    ;
}
static method main() → dynamic
  ;