public function index()
    {
        // Look for overriden views
        $this->overrideViews();

        // Get models to show
        $results = $this->makeIndexQuery()->paginate($this->perPage());

        // Render the view using the `listing` builder
        $listing = Listing::createFromController($this, $results);
        if ($this->parent) {
            $listing->parent($this->parent);

            // The layout header may have a many to many autocomplete
            $this->layout->with($this->autocompleteViewVars());
        }

        // Render view
        return $this->populateView($listing);
    }