library;
import self as self;
import "dart:core" as core;

class A extends core::Object {
  synthetic constructor •() → self::A*
    ;
}
class B extends self::A {
  synthetic constructor •() → self::B*
    ;
}
class Class<T extends self::A* = self::A*> extends core::Object {
  synthetic constructor •() → self::Class<self::Class::T*>*
    ;
  method method1a(generic-covariant-impl self::Class::T* t) → void
    ;
  method method1b(generic-covariant-impl self::Class::T* t) → void
    ;
  method method2a(generic-covariant-impl self::Class::T* t) → void
    ;
  method method2b(generic-covariant-impl self::Class::T* t) → void
    ;
}
static field core::List<self::B*>* xs;
static field core::List<core::List<self::B*>*>* xss;
static method main() → void
  ;
static method errors() → void
  ;
static method throws(() →* void f) → void
  ;