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

class Index extends core::Object {
  synthetic constructor •() → self::Index*
    : super core::Object::•()
    ;
}
class A extends core::Object {
  synthetic constructor •() → self::A*
    : super core::Object::•()
    ;
}
class B extends self::A {
  synthetic constructor •() → self::B*
    : super self::A::•()
    ;
  operator +(self::C* v) → self::A*
    return null;
  operator -(core::int* i) → self::B*
    return null;
  operator *(self::B* v) → self::B*
    return null;
  operator &(self::A* v) → self::C*
    return null;
}
class C extends self::B {
  synthetic constructor •() → self::C*
    : super self::B::•()
    ;
}
class Test extends core::Object {
  synthetic constructor •() → self::Test*
    : super core::Object::•()
    ;
  operator [](self::Index* i) → self::B*
    return null;
  operator []=(self::Index* i, self::B* v) → void {}
  method test() → void {
    this.{self::Test::[]=}(self::f<self::Index*>(), self::f<self::B*>());
    let final self::Index* #t1 = self::f<self::Index*>() in this.{self::Test::[]}(#t1).{core::Object::==}(null) ?{self::B*} this.{self::Test::[]=}(#t1, self::f<self::B*>()) : null;
    let final self::Index* #t2 = self::f<self::Index*>() in this.{self::Test::[]=}(#t2, this.{self::Test::[]}(#t2).{self::B::+}(self::f<self::C*>()) as{TypeError} self::B*);
    let final self::Index* #t3 = self::f<self::Index*>() in this.{self::Test::[]=}(#t3, this.{self::Test::[]}(#t3).{self::B::*}(self::f<self::B*>()));
    let final self::Index* #t4 = self::f<self::Index*>() in this.{self::Test::[]=}(#t4, this.{self::Test::[]}(#t4).{self::B::&}(self::f<self::A*>()));
    let final self::Index* #t5 = self::f<self::Index*>() in let final self::B* #t6 = this.{self::Test::[]}(#t5).{self::B::-}(1) in let final void #t7 = this.{self::Test::[]=}(#t5, #t6) in #t6;
    let final self::Index* #t8 = self::f<self::Index*>() in this.{self::Test::[]=}(#t8, this.{self::Test::[]}(#t8).{self::B::-}(1));
    self::B* v1 = let final self::Test* #t9 = this in let final self::Index* #t10 = self::f<self::Index*>() in let final self::B* #t11 = self::f<self::B*>() in let final void #t12 = #t9.{self::Test::[]=}(#t10, #t11) in #t11;
    self::B* v2 = let final self::Index* #t13 = self::f<self::Index*>() in let final self::B* #t14 = this.{self::Test::[]}(#t13) in #t14.{core::Object::==}(null) ?{self::B*} let final self::B* #t15 = self::f<self::B*>() in let final void #t16 = this.{self::Test::[]=}(#t13, #t15) in #t15 : #t14;
    self::A* v3 = let final self::Index* #t17 = self::f<self::Index*>() in let final self::A* #t18 = this.{self::Test::[]}(#t17).{self::B::+}(self::f<self::C*>()) as{TypeError} self::B* in let final void #t19 = this.{self::Test::[]=}(#t17, #t18) in #t18;
    self::B* v4 = let final self::Index* #t20 = self::f<self::Index*>() in let final self::B* #t21 = this.{self::Test::[]}(#t20).{self::B::*}(self::f<self::B*>()) in let final void #t22 = this.{self::Test::[]=}(#t20, #t21) in #t21;
    self::C* v5 = let final self::Index* #t23 = self::f<self::Index*>() in let final self::C* #t24 = this.{self::Test::[]}(#t23).{self::B::&}(self::f<self::A*>()) in let final void #t25 = this.{self::Test::[]=}(#t23, #t24) in #t24;
    self::B* v6 = let final self::Index* #t26 = self::f<self::Index*>() in let final self::B* #t27 = this.{self::Test::[]}(#t26).{self::B::-}(1) in let final void #t28 = this.{self::Test::[]=}(#t26, #t27) in #t27;
    self::B* v7 = let final self::Index* #t29 = self::f<self::Index*>() in let final self::B* #t30 = this.{self::Test::[]}(#t29) in let final void #t31 = this.{self::Test::[]=}(#t29, #t30.{self::B::-}(1)) in #t30;
  }
}
static method f<T extends core::Object* = dynamic>() → self::f::T*
  return null;
static method main() → dynamic {}