babel/packages/babel-plugin-proposal-private-methods/test/fixtures/private-static-method/generator/output.js

class Cl {
  test() {
    return babelHelpers.classStaticPrivateMethodGet(Cl, Cl, _foo).call(Cl);
  }

}

var _foo = function* _foo() {
  yield 2;
  return 3;
};