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// deno-fmt-ignore-file// deno-lint-ignore-file
// Copyright Joyent and Node contributors. All rights reserved. MIT license.// Taken from Node 18.12.0// This file is automatically generated by "node/_tools/setup.ts". Do not modify this file manually
'use strict';const common = require('../common');
const { OutgoingMessage } = require('http');const assert = require('assert');
const warn = 'OutgoingMessage.prototype._headerNames is deprecated';common.expectWarning('DeprecationWarning', warn, 'DEP0066');
{  // Tests for _headerNames get method  const outgoingMessage = new OutgoingMessage();  outgoingMessage._headerNames; // eslint-disable-line no-unused-expressions}
{  // Tests _headerNames getter result after setting a header.  const outgoingMessage = new OutgoingMessage();  outgoingMessage.setHeader('key', 'value');  const expect = Object.create(null);  expect.key = 'key';  assert.deepStrictEqual(outgoingMessage._headerNames, expect);}