| library test.mixin_library; | 
 | // | 
 | // Problems in library: | 
 | // | 
 | // pkg/front_end/testcases/rasta/mixin_library.dart:16:18: Error: Superclass has no method named 'foo'. | 
 | //   foo() => super.foo() + f(); | 
 | //                  ^^^ | 
 | // | 
 | import self as self; | 
 | import "dart:core" as core; | 
 |  | 
 | abstract class Mixin<T extends core::Object? = dynamic> extends core::Object /*isMixinDeclaration*/  { | 
 |   field dynamic x = self::f(); | 
 |   field dynamic y = null; | 
 |   field dynamic z = null; | 
 |   covariant-by-class field self::Mixin::T? t = null; | 
 |   method foo() → dynamic | 
 |     return invalid-expression "pkg/front_end/testcases/rasta/mixin_library.dart:16:18: Error: Superclass has no method named 'foo'. | 
 |   foo() => super.foo() + f(); | 
 |                  ^^^"{<invalid>}.+(self::f()); | 
 |   method g(covariant-by-class self::Mixin::T% a) → self::Mixin::T? | 
 |     return null; | 
 |   method h() → dynamic | 
 |     return self::V(); | 
 |   method l() → dynamic | 
 |     return self::_private(); | 
 |   method _privateMethod() → dynamic | 
 |     return 49; | 
 |   method publicMethod() → dynamic | 
 |     return this.{self::Mixin::_privateMethod}(){() → dynamic}; | 
 | } | 
 | static method f() → dynamic | 
 |   return 2; | 
 | static method V() → dynamic | 
 |   return 87; | 
 | static method _private() → dynamic | 
 |   return 117; | 
 | static method foo(dynamic m) → dynamic | 
 |   return m{dynamic}._privateMethod(); |