PopupMenu
import type { PopupMenu } from "https://raw.githubusercontent.com/scrapbox-jp/types/0.3.3/userscript.ts";window.scrapboxに露出しているPopupMenuの型
interface PopupMenu {
addButton: (button: {
}title: string | ((text: string) => (string | undefined));
onClick: (text: string) => (string | undefined);
}) => void;