docs: function generateControllerFactory(owner, controllerName, context) {
      var Factory, fullName;
  
      Factory = owner._lookupFactory('controller:basic').extend({
        isGenerated: true,
        toString: function () {
          return '(generated ' + controllerName + ' controller)';
        }
      });
  
      fullName = 'controller:' + controllerName;
  
      owner.register(fullName, Factory);
  
      return Factory;
    }