//#region ../../node_modules/mdast-util-to-markdown/lib/util/check-fence.js
function e(e) {
	let t = e.options.fence || "`";
	if (t !== "`" && t !== "~") throw Error("Cannot serialize code with `" + t + "` for `options.fence`, expected `` ` `` or `~`");
	return t;
}
//#endregion
export { e as checkFence };
