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

class A extends core::Object {
  default constructor •() → void
    ;
}
class B extends core::Object {
  default constructor •() → void
    ;
}
class C extends core::Object {
  default constructor •() → void
    ;
}
class D extends core::Object {
  default constructor •() → void
    ;
}
static method main() → dynamic
  ;