var _dec, _initProto;

const dec = () => {};

_dec = deco;

class A extends B {
  constructor() {
    let a = 2;

    _initProto(super(a));

    foo();
  }

  method() {}

}

[_initProto] = babelHelpers.applyDecs(A, [[_dec, 2, "method"]], []);
