docs: function (name, _skipAssert) {
        var owner = _containerOwner.getOwner(this);
        var route = owner.lookup('route:' + name);
        var controller;
  
        if (route && route.controllerName) {
          name = route.controllerName;
        }
  
        controller = owner.lookup('controller:' + name);
  
        // NOTE: We're specifically checking that skipAssert is true, because according
        //   to the old API the second parameter was model. We do not want people who
        //   passed a model to skip the assertion.
        _emberMetalDebug.assert('The controller named \'' + name + '\' could not be found. Make sure that this route exists and has already been entered at least once. If you are accessing a controller not associated with a route, make sure the controller class is explicitly defined.', controller || _skipAssert === true);
  
        return controller;
      }