public function canMarkdown(): bool
    {
        if (!isset($this->WPCom_Markdown)) { // Check and set instance at same time.
            $this->WPCom_Markdown = $this->Wp->is_jetpack_active && class_exists('WPCom_Markdown') ? \WPCom_Markdown::get_instance() : false;
        }
        return (bool) $this->WPCom_Markdown;
    }