|  | library; | 
|  | import self as self; | 
|  | import "dart:core" as core; | 
|  |  | 
|  | class A<T extends core::Object* = dynamic> extends core::Object { | 
|  | synthetic constructor •() → self::A<self::A::T*>* | 
|  | : super core::Object::•() | 
|  | ; | 
|  | method f<U extends core::Object* = dynamic>(generic-covariant-impl core::Map<self::A::T*, self::A::f::U*>* m) → void {} | 
|  | abstract member-signature get _identityHashCode() → core::int*; | 
|  | abstract member-signature method _instanceOf(dynamic instantiatorTypeArguments, dynamic functionTypeArguments, dynamic type) → core::bool*; | 
|  | abstract member-signature method _simpleInstanceOf(dynamic type) → core::bool*; | 
|  | abstract member-signature method _simpleInstanceOfTrue(dynamic type) → core::bool*; | 
|  | abstract member-signature method _simpleInstanceOfFalse(dynamic type) → core::bool*; | 
|  | abstract member-signature operator ==(dynamic other) → core::bool*; | 
|  | abstract member-signature get hashCode() → core::int*; | 
|  | abstract member-signature method toString() → core::String*; | 
|  | abstract member-signature method noSuchMethod(core::Invocation* invocation) → dynamic; | 
|  | abstract member-signature get runtimeType() → core::Type*; | 
|  | } | 
|  | class B extends self::A<core::String*> { | 
|  | synthetic constructor •() → self::B* | 
|  | : super self::A::•() | 
|  | ; | 
|  | method f<V extends core::Object* = dynamic>(generic-covariant-impl core::Map<core::String*, self::B::f::V*>* m) → void {} | 
|  | } | 
|  | static method main() → dynamic {} |