|  | library test; | 
|  | import self as self; | 
|  | import "dart:core" as core; | 
|  |  | 
|  | abstract class C<E extends core::Object? = dynamic> extends core::Object { | 
|  | synthetic constructor •() → self::C<self::C::E%> | 
|  | : super core::Object::•() | 
|  | ; | 
|  | method sort([(self::C::E%, self::C::E%) →? core::int compare = #C1]) → void { | 
|  | self::C::sort2<self::C::E%>(this, let final (self::C::E%, self::C::E%) →? core::int #t1 = compare in #t1 == null ?{(self::C::E%, self::C::E%) → core::int} #C2 : #t1{(self::C::E%, self::C::E%) → core::int}); | 
|  | } | 
|  | static method _compareAny(dynamic a, dynamic b) → core::int { | 
|  | throw "unimplemented"; | 
|  | } | 
|  | static method sort2<E extends core::Object? = dynamic>(self::C<self::C::sort2::E%> a, (self::C::sort2::E%, self::C::sort2::E%) → core::int compare) → void { | 
|  | throw "unimplemented"; | 
|  | } | 
|  | } | 
|  | static method main() → dynamic {} | 
|  |  | 
|  | constants  { | 
|  | #C1 = null | 
|  | #C2 = static-tearoff self::C::_compareAny | 
|  | } |