|  | library; | 
|  | import self as self; | 
|  | import "dart:core" as core; | 
|  |  | 
|  | class C<T extends core::Object? = dynamic> extends core::Object { | 
|  | synthetic constructor •() → self::C<self::C::T%> | 
|  | : super core::Object::•() | 
|  | ; | 
|  | method foo<covariant-by-class E extends self::C::T%>(core::List<self::C::foo::E%> list) → dynamic { | 
|  | core::List<self::C::foo::E%> variable = this.{self::C::method}<self::C::foo::E%>(list){(core::List<self::C::foo::E%>) → core::List<self::C::foo::E%>}; | 
|  | } | 
|  | method method<covariant-by-class F extends self::C::T%>(core::List<self::C::method::F%> list) → core::List<self::C::method::F%> | 
|  | return list; | 
|  | } | 
|  | static method main() → dynamic {} |