pkg/front_end/testcases/general/inc_dec.dart.textual_outline.expect

class D {
  E v;
  D(this.v);
  static late E staticE;
}

class E {
  G operator +(int i) => new I();
  G operator -(int i) => new I();
}

class F {}

class G extends E implements F {}

class H {}

class I extends G implements H {}

method() {}