library /*isNonNullableByDefault*/;
//
// Problems in library:
//
// pkg/front_end/testcases/nnbd_mixed/messages_with_types_opt_in.dart:17:6: Error: The return type of the method 'SubInIn.nullableBad' is 'T?', which does not match the return type, 'int?', of the overridden method, 'SuperIn.nullableBad'.
// Change to a subtype of 'int?'.
//   T? nullableBad<T>(T t) => null;
//      ^
// pkg/front_end/testcases/nnbd_mixed/messages_with_types_opt_in.dart:10:8: Context: This is the overridden method ('nullableBad').
//   int? nullableBad<T>(T t) => 1;
//        ^
//
// pkg/front_end/testcases/nnbd_mixed/messages_with_types_opt_in.dart:18:5: Error: The return type of the method 'SubInIn.nonNullableBad' is 'T', which does not match the return type, 'int', of the overridden method, 'SuperIn.nonNullableBad'.
// Change to a subtype of 'int'.
//   T nonNullableBad<T>(T t) => t;
//     ^
// pkg/front_end/testcases/nnbd_mixed/messages_with_types_opt_in.dart:11:7: Context: This is the overridden method ('nonNullableBad').
//   int nonNullableBad<T>(T t) => 2;
//       ^
//
// pkg/front_end/testcases/nnbd_mixed/messages_with_types_opt_in.dart:24:6: Error: The return type of the method 'SubOutIn.nullableBad' is 'T?', which does not match the return type, 'int', of the overridden method, 'SuperOut.nullableBad'.
// Change to a subtype of 'int'.
//   T? nullableBad<T>(T t) => null;
//      ^
// pkg/front_end/testcases/nnbd_mixed/messages_with_types_opt_out.dart:12:7: Context: This is the overridden method ('nullableBad').
//   int nullableBad<T>(T t) => 1;
//       ^
//
// pkg/front_end/testcases/nnbd_mixed/messages_with_types_opt_in.dart:25:5: Error: The return type of the method 'SubOutIn.nonNullableBad' is 'T', which does not match the return type, 'int', of the overridden method, 'SuperOut.nonNullableBad'.
// Change to a subtype of 'int'.
//   T nonNullableBad<T>(T t) => t;
//     ^
// pkg/front_end/testcases/nnbd_mixed/messages_with_types_opt_out.dart:13:7: Context: This is the overridden method ('nonNullableBad').
//   int nonNullableBad<T>(T t) => 2;
//       ^
//
// pkg/front_end/testcases/nnbd_mixed/messages_with_types_opt_in.dart:32:17: Error: A value of type 'double' can't be assigned to a variable of type 'int Function()?'.
//   nullableVar = nonNullableVar;
//                 ^
//
// pkg/front_end/testcases/nnbd_mixed/messages_with_types_opt_in.dart:33:20: Error: A value of type 'int Function()?' can't be assigned to a variable of type 'double'.
//   nonNullableVar = nullableVar;
//                    ^
//
// pkg/front_end/testcases/nnbd_mixed/messages_with_types_opt_in.dart:34:15: Error: A value of type 'int Function()?' can't be assigned to a variable of type 'String'.
//   legacyVar = nullableVar;
//               ^
//
// pkg/front_end/testcases/nnbd_mixed/messages_with_types_opt_in.dart:35:17: Error: A value of type 'String' can't be assigned to a variable of type 'int Function()?'.
//   nullableVar = legacyVar;
//                 ^
//
// pkg/front_end/testcases/nnbd_mixed/messages_with_types_opt_in.dart:36:20: Error: A value of type 'String' can't be assigned to a variable of type 'double'.
//   nonNullableVar = legacyVar;
//                    ^
//
// pkg/front_end/testcases/nnbd_mixed/messages_with_types_opt_in.dart:37:15: Error: A value of type 'double' can't be assigned to a variable of type 'String'.
//   legacyVar = nonNullableVar;
//               ^
//
import self as self;
import "dart:core" as core;
import "messages_with_types_opt_out.dart" as mes;

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

class SuperIn extends core::Object {
  synthetic constructor •() → self::SuperIn
    : super core::Object::•()
    ;
  method nullableSame() → core::String?
    return "foo";
  method nonNullableSame() → core::String
    return "bar";
  method nullableBad<T extends core::Object? = dynamic>(self::SuperIn::nullableBad::T% t) → core::int?
    return 1;
  method nonNullableBad<T extends core::Object? = dynamic>(self::SuperIn::nonNullableBad::T% t) → core::int
    return 2;
}
class SubInIn extends self::SuperIn {
  synthetic constructor •() → self::SubInIn
    : super self::SuperIn::•()
    ;
  method nullableSame() → core::String?
    return "foo";
  method nonNullableSame() → core::String
    return "bar";
  method nullableBad<T extends core::Object? = dynamic>(self::SubInIn::nullableBad::T% t) → self::SubInIn::nullableBad::T?
    return null;
  method nonNullableBad<T extends core::Object? = dynamic>(self::SubInIn::nonNullableBad::T% t) → self::SubInIn::nonNullableBad::T%
    return t;
}
class SubOutIn extends mes::SuperOut {
  synthetic constructor •() → self::SubOutIn
    : super mes::SuperOut::•()
    ;
  method nullableSame() → core::String?
    return "foo";
  method nonNullableSame() → core::String
    return "bar";
  method nullableBad<T extends core::Object? = dynamic>(self::SubOutIn::nullableBad::T% t) → self::SubOutIn::nullableBad::T?
    return null;
  method nonNullableBad<T extends core::Object? = dynamic>(self::SubOutIn::nonNullableBad::T% t) → self::SubOutIn::nonNullableBad::T%
    return t;
}
static field () →? core::int nullableVar = () → core::int => 3;
static field core::double nonNullableVar = 4.0;
static method testOptIn() → dynamic {
  self::nullableVar = invalid-expression "pkg/front_end/testcases/nnbd_mixed/messages_with_types_opt_in.dart:32:17: Error: A value of type 'double' can't be assigned to a variable of type 'int Function()?'.
  nullableVar = nonNullableVar;
                ^" in self::nonNullableVar as{TypeError,ForNonNullableByDefault} () →? core::int;
  self::nonNullableVar = invalid-expression "pkg/front_end/testcases/nnbd_mixed/messages_with_types_opt_in.dart:33:20: Error: A value of type 'int Function()?' can't be assigned to a variable of type 'double'.
  nonNullableVar = nullableVar;
                   ^" in self::nullableVar as{TypeError,ForNonNullableByDefault} core::double;
  mes::legacyVar = invalid-expression "pkg/front_end/testcases/nnbd_mixed/messages_with_types_opt_in.dart:34:15: Error: A value of type 'int Function()?' can't be assigned to a variable of type 'String'.
  legacyVar = nullableVar;
              ^" in self::nullableVar as{TypeError,ForNonNullableByDefault} core::String*;
  self::nullableVar = invalid-expression "pkg/front_end/testcases/nnbd_mixed/messages_with_types_opt_in.dart:35:17: Error: A value of type 'String' can't be assigned to a variable of type 'int Function()?'.
  nullableVar = legacyVar;
                ^" in mes::legacyVar as{TypeError,ForNonNullableByDefault} () →? core::int;
  self::nonNullableVar = invalid-expression "pkg/front_end/testcases/nnbd_mixed/messages_with_types_opt_in.dart:36:20: Error: A value of type 'String' can't be assigned to a variable of type 'double'.
  nonNullableVar = legacyVar;
                   ^" in mes::legacyVar as{TypeError,ForNonNullableByDefault} core::double;
  mes::legacyVar = invalid-expression "pkg/front_end/testcases/nnbd_mixed/messages_with_types_opt_in.dart:37:15: Error: A value of type 'double' can't be assigned to a variable of type 'String'.
  legacyVar = nonNullableVar;
              ^" in self::nonNullableVar as{TypeError,ForNonNullableByDefault} core::String*;
}

library;
//
// Problems in library:
//
// pkg/front_end/testcases/nnbd_mixed/messages_with_types_opt_out.dart:19:5: Error: The return type of the method 'SubOutOut.nullableBad' is 'T', which does not match the return type, 'int', of the overridden method, 'SuperOut.nullableBad'.
// Change to a subtype of 'int'.
//   T nullableBad<T>(T t) => null;
//     ^
// pkg/front_end/testcases/nnbd_mixed/messages_with_types_opt_out.dart:12:7: Context: This is the overridden method ('nullableBad').
//   int nullableBad<T>(T t) => 1;
//       ^
//
// pkg/front_end/testcases/nnbd_mixed/messages_with_types_opt_out.dart:20:5: Error: The return type of the method 'SubOutOut.nonNullableBad' is 'T', which does not match the return type, 'int', of the overridden method, 'SuperOut.nonNullableBad'.
// Change to a subtype of 'int'.
//   T nonNullableBad<T>(T t) => t;
//     ^
// pkg/front_end/testcases/nnbd_mixed/messages_with_types_opt_out.dart:13:7: Context: This is the overridden method ('nonNullableBad').
//   int nonNullableBad<T>(T t) => 2;
//       ^
//
// pkg/front_end/testcases/nnbd_mixed/messages_with_types_opt_out.dart:26:5: Error: The return type of the method 'SubInOut.nullableBad' is 'T', which does not match the return type, 'int', of the overridden method, 'SuperIn.nullableBad'.
// Change to a subtype of 'int'.
//   T nullableBad<T>(T t) => null;
//     ^
// pkg/front_end/testcases/nnbd_mixed/messages_with_types_opt_in.dart:10:8: Context: This is the overridden method ('nullableBad').
//   int? nullableBad<T>(T t) => 1;
//        ^
//
// pkg/front_end/testcases/nnbd_mixed/messages_with_types_opt_out.dart:27:5: Error: The return type of the method 'SubInOut.nonNullableBad' is 'T', which does not match the return type, 'int', of the overridden method, 'SuperIn.nonNullableBad'.
// Change to a subtype of 'int'.
//   T nonNullableBad<T>(T t) => t;
//     ^
// pkg/front_end/testcases/nnbd_mixed/messages_with_types_opt_in.dart:11:7: Context: This is the overridden method ('nonNullableBad').
//   int nonNullableBad<T>(T t) => 2;
//       ^
//
// pkg/front_end/testcases/nnbd_mixed/messages_with_types_opt_out.dart:33:17: Error: A value of type 'double' can't be assigned to a variable of type 'int Function()'.
//   nullableVar = nonNullableVar;
//                 ^
//
// pkg/front_end/testcases/nnbd_mixed/messages_with_types_opt_out.dart:34:20: Error: A value of type 'int Function()' can't be assigned to a variable of type 'double'.
//   nonNullableVar = nullableVar;
//                    ^
//
// pkg/front_end/testcases/nnbd_mixed/messages_with_types_opt_out.dart:35:15: Error: A value of type 'int Function()' can't be assigned to a variable of type 'String'.
//   legacyVar = nullableVar;
//               ^
//
// pkg/front_end/testcases/nnbd_mixed/messages_with_types_opt_out.dart:36:17: Error: A value of type 'String' can't be assigned to a variable of type 'int Function()'.
//   nullableVar = legacyVar;
//                 ^
//
// pkg/front_end/testcases/nnbd_mixed/messages_with_types_opt_out.dart:37:20: Error: A value of type 'String' can't be assigned to a variable of type 'double'.
//   nonNullableVar = legacyVar;
//                    ^
//
// pkg/front_end/testcases/nnbd_mixed/messages_with_types_opt_out.dart:38:15: Error: A value of type 'double' can't be assigned to a variable of type 'String'.
//   legacyVar = nonNullableVar;
//               ^
//
import self as mes;
import "dart:core" as core;
import "messages_with_types_opt_in.dart" as self;

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

class SuperOut extends core::Object {
  synthetic constructor •() → mes::SuperOut*
    : super core::Object::•()
    ;
  method nullableSame() → core::String*
    return "foo";
  method nonNullableSame() → core::String*
    return "bar";
  method nullableBad<T extends core::Object* = dynamic>(mes::SuperOut::nullableBad::T* t) → core::int*
    return 1;
  method nonNullableBad<T extends core::Object* = dynamic>(mes::SuperOut::nonNullableBad::T* t) → core::int*
    return 2;
  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
}
class SubOutOut extends mes::SuperOut {
  synthetic constructor •() → mes::SubOutOut*
    : super mes::SuperOut::•()
    ;
  method nullableSame() → core::String*
    return "foo";
  method nonNullableSame() → core::String*
    return "bar";
  method nullableBad<T extends core::Object* = dynamic>(mes::SubOutOut::nullableBad::T* t) → mes::SubOutOut::nullableBad::T*
    return null;
  method nonNullableBad<T extends core::Object* = dynamic>(mes::SubOutOut::nonNullableBad::T* t) → mes::SubOutOut::nonNullableBad::T*
    return t;
}
class SubInOut extends self::SuperIn {
  synthetic constructor •() → mes::SubInOut*
    : super self::SuperIn::•()
    ;
  method nullableSame() → core::String*
    return "foo";
  method nonNullableSame() → core::String*
    return "bar";
  method nullableBad<T extends core::Object* = dynamic>(mes::SubInOut::nullableBad::T* t) → mes::SubInOut::nullableBad::T*
    return null;
  method nonNullableBad<T extends core::Object* = dynamic>(mes::SubInOut::nonNullableBad::T* t) → mes::SubInOut::nonNullableBad::T*
    return t;
  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
}
static field core::String* legacyVar = "legacy";
static method testOptOut() → dynamic {
  self::nullableVar = invalid-expression "pkg/front_end/testcases/nnbd_mixed/messages_with_types_opt_out.dart:33:17: Error: A value of type 'double' can't be assigned to a variable of type 'int Function()'.
  nullableVar = nonNullableVar;
                ^" in self::nonNullableVar as{TypeError} () →? core::int;
  self::nonNullableVar = invalid-expression "pkg/front_end/testcases/nnbd_mixed/messages_with_types_opt_out.dart:34:20: Error: A value of type 'int Function()' can't be assigned to a variable of type 'double'.
  nonNullableVar = nullableVar;
                   ^" in self::nullableVar as{TypeError} core::double;
  mes::legacyVar = invalid-expression "pkg/front_end/testcases/nnbd_mixed/messages_with_types_opt_out.dart:35:15: Error: A value of type 'int Function()' can't be assigned to a variable of type 'String'.
  legacyVar = nullableVar;
              ^" in self::nullableVar as{TypeError} core::String*;
  self::nullableVar = invalid-expression "pkg/front_end/testcases/nnbd_mixed/messages_with_types_opt_out.dart:36:17: Error: A value of type 'String' can't be assigned to a variable of type 'int Function()'.
  nullableVar = legacyVar;
                ^" in mes::legacyVar as{TypeError} () →? core::int;
  self::nonNullableVar = invalid-expression "pkg/front_end/testcases/nnbd_mixed/messages_with_types_opt_out.dart:37:20: Error: A value of type 'String' can't be assigned to a variable of type 'double'.
  nonNullableVar = legacyVar;
                   ^" in mes::legacyVar as{TypeError} core::double;
  mes::legacyVar = invalid-expression "pkg/front_end/testcases/nnbd_mixed/messages_with_types_opt_out.dart:38:15: Error: A value of type 'double' can't be assigned to a variable of type 'String'.
  legacyVar = nonNullableVar;
              ^" in self::nonNullableVar as{TypeError} core::String*;
}