|  | library test; | 
|  | import self as self; | 
|  | import "dart:core" as core; | 
|  |  | 
|  | class A extends core::Object { | 
|  | synthetic constructor •() → self::A | 
|  | : super core::Object::•() | 
|  | ; | 
|  | } | 
|  | class B extends self::A { | 
|  | synthetic constructor •() → self::B | 
|  | : super self::A::•() | 
|  | ; | 
|  | operator +(self::C v) → self::B | 
|  | return throw ""; | 
|  | operator -(core::int i) → self::B | 
|  | return throw ""; | 
|  | operator *(self::B v) → self::B | 
|  | return throw ""; | 
|  | operator &(self::A v) → self::C | 
|  | return throw ""; | 
|  | } | 
|  | class C extends self::B { | 
|  | synthetic constructor •() → self::C | 
|  | : super self::B::•() | 
|  | ; | 
|  | } | 
|  | static method f<T extends core::Object? = dynamic>() → self::f::T% | 
|  | return throw ""; | 
|  | static method test(self::B local, self::B? local2, self::B? local3) → void { | 
|  | local = self::f<self::B>(); | 
|  | local2 == null ?{self::B?} local2 = self::f<self::B?>() : null; | 
|  | local = local.{self::B::+}(self::f<self::C>()){(self::C) → self::B}; | 
|  | local = local.{self::B::*}(self::f<self::B>()){(self::B) → self::B}; | 
|  | local = local.{self::B::&}(self::f<self::A>()){(self::A) → self::C}; | 
|  | local = local.{self::B::-}(1){(core::int) → self::B}; | 
|  | local = local.{self::B::-}(1){(core::int) → self::B}; | 
|  | self::B v1 = local = self::f<self::B>(); | 
|  | self::B? v2 = let final self::B? #t1 = local3 in #t1 == null ?{self::B?} local3 = self::f<self::B?>() : #t1{self::B}; | 
|  | self::B v3 = local = local.{self::B::+}(self::f<self::C>()){(self::C) → self::B}; | 
|  | self::B v4 = local = local.{self::B::*}(self::f<self::B>()){(self::B) → self::B}; | 
|  | self::C v5 = local = local.{self::B::&}(self::f<self::A>()){(self::A) → self::C}; | 
|  | self::B v6 = local = local.{self::B::-}(1){(core::int) → self::B}; | 
|  | self::B v7 = let final self::B #t2 = local in let final self::B #t3 = local = #t2.{self::B::-}(1){(core::int) → self::B} in #t2; | 
|  | } | 
|  | static method main() → dynamic {} |