public function buildBreadcrumbs($action, MenuItemInterface $menu = null)
    {
        @trigger_error(
            'The '.__METHOD__.' method is deprecated since version 3.2 and will be removed in 4.0.',
            E_USER_DEPRECATED
        );

        if (isset($this->breadcrumbs[$action])) {
            return $this->breadcrumbs[$action];
        }

        return $this->breadcrumbs[$action] = $this->getBreadcrumbsBuilder()
            ->buildBreadcrumbs($this, $action, $menu);
    }