| library; | 
 | import self as self; | 
 | import "dart:core" as core; | 
 |  | 
 | class A1 extends core::Object { | 
 |   synthetic constructor •() → self::A1* | 
 |     : super core::Object::•() | 
 |     ; | 
 |   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 B1<T extends core::Object* = dynamic> extends core::Object { | 
 |   synthetic constructor •() → self::B1<self::B1::T*>* | 
 |     : super core::Object::•() | 
 |     ; | 
 |   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 | 
 | } | 
 | extension A2 on self::A1* { | 
 |   method method1 = self::A2|method1; | 
 |   tearoff method1 = self::A2|get#method1; | 
 |   method method2 = self::A2|method2; | 
 |   tearoff method2 = self::A2|get#method2; | 
 | } | 
 | extension B2<T extends core::Object* = dynamic> on self::B1<T*>* { | 
 |   method method1 = self::B2|method1; | 
 |   tearoff method1 = self::B2|get#method1; | 
 |   method method2 = self::B2|method2; | 
 |   tearoff method2 = self::B2|get#method2; | 
 | } | 
 | static method A2|method1(lowered final self::A1* #this) → self::A1* { | 
 |   return #this; | 
 | } | 
 | static method A2|get#method1(lowered final self::A1* #this) → () →* self::A1* | 
 |   return () → self::A1* => self::A2|method1(#this); | 
 | static method A2|method2<T extends core::Object* = dynamic>(lowered final self::A1* #this, self::A2|method2::T* o) → self::A1* { | 
 |   core::print(o); | 
 |   return #this; | 
 | } | 
 | static method A2|get#method2(lowered final self::A1* #this) → <T extends core::Object* = dynamic>(T*) →* self::A1* | 
 |   return <T extends core::Object* = dynamic>(T* o) → self::A1* => self::A2|method2<T*>(#this, o); | 
 | static method B2|method1<T extends core::Object* = dynamic>(lowered final self::B1<self::B2|method1::T*>* #this) → self::B1<self::B2|method1::T*>* { | 
 |   return #this; | 
 | } | 
 | static method B2|get#method1<T extends core::Object* = dynamic>(lowered final self::B1<self::B2|get#method1::T*>* #this) → () →* self::B1<self::B2|get#method1::T*>* | 
 |   return () → self::B1<self::B2|get#method1::T*>* => self::B2|method1<self::B2|get#method1::T*>(#this); | 
 | static method B2|method2<T extends core::Object* = dynamic, S extends core::Object* = dynamic>(lowered final self::B1<self::B2|method2::T*>* #this, self::B2|method2::S* o) → self::B1<self::B2|method2::T*>* { | 
 |   core::print(o); | 
 |   return #this; | 
 | } | 
 | static method B2|get#method2<T extends core::Object* = dynamic>(lowered final self::B1<self::B2|get#method2::T*>* #this) → <S extends core::Object* = dynamic>(S*) →* self::B1<self::B2|get#method2::T*>* | 
 |   return <S extends core::Object* = dynamic>(S* o) → self::B1<self::B2|get#method2::T*>* => self::B2|method2<self::B2|get#method2::T*, S*>(#this, o); | 
 | static method main() → dynamic {} |