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// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.import { assertEquals } from "../assert/assert_equals.ts";import { warn } from "./warn.ts";
Deno.test("warn()", () => {  const sym = Symbol("a");  const warnData: symbol = warn(sym);  const warnResolver: null | undefined = warn(() => null);  assertEquals(warnData, sym);  assertEquals(warnResolver, null);});