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

class A extends core::Object {
  synthetic constructor •() → self::A
    ;
  get b() → dynamic
    ;
}
class B extends self::A {
  synthetic constructor •() → self::B
    ;
  get b() → dynamic
    ;
}
static method method1((self::A, self::A) r) → dynamic
  ;
static method method2((self::A, self::A) r) → dynamic
  ;
static method method3((self::A, self::A) r) → dynamic
  ;
static method method4((self::A, self::A) r) → dynamic
  ;
static method main() → dynamic
  ;
static method expect(dynamic expected, dynamic actual) → dynamic
  ;
static method throws(() → void f) → dynamic
  ;
static method allowThrow(() → void f) → dynamic
  ;