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import { assertEquals } from "https://deno.land/std@0.180.0/testing/asserts.ts";
Deno.test("issue #578", async () => {  const { version } = await fetch("http://localhost:8080/status.json").then((    res,  ) => res.json());  const res = await fetch(`http://localhost:8080/v${version}/katex@0.16.4/dist/katex.mjs`);  const tsHeader = res.headers.get("x-typescript-types");  res.body?.cancel();  assertEquals(    tsHeader,    `http://localhost:8080/v${version}/@types/katex@~0.16/index.d.ts`  );});