public function getItemProviders()
    {
        foreach ($this->modules->enabled() as $module) {
            $name = studly_case($module->getName());
            $class = 'Modules\\'.$name.'\\MenuExtenders\\MenuExtender';

            if (class_exists($class)) {
                $extender = $this->container->make($class);
                $this->extenders->put($module->getName(), [
                    'content' => $extender->getContentItems(),
                    'static'  => $extender->getStaticItems(),
                ]);
            }
        }

        return $this->extenders;
    }