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

typedef Reducer<S extends core::Object* = dynamic> = (S*, dynamic) →* S*;
class A extends core::Object {
  synthetic constructor •() → self::A*
    ;
  method call(dynamic a, dynamic b) → dynamic
    ;
}
static method foo<S extends core::Object* = dynamic>((self::foo::S*, dynamic) →* self::foo::S* v) → void
  ;
static method main() → void
  ;