public function getMenuLinkRoutes($controller, $belongsTo = '')
    {
        $this->getAllMenuLinkRoutes();

        $routes = [];
        // Get routes of this post type
        if(isset($this->allMenuLinkRoutes[$controller][$belongsTo])) {
            $routes = $this->allMenuLinkRoutes[$controller][$belongsTo];
        }else if(isset($this->allMenuLinkRoutes[$controller])) {
            $routes = $this->allMenuLinkRoutes[$controller];
        }
        return $routes;
    }