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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 stream = require('stream');
class Writable extends stream.Writable {  constructor() {    super();    this.prependListener = undefined;  }
  _write(chunk, end, cb) {    cb();  }}
class Readable extends stream.Readable {  _read() {    this.push(null);  }}
const w = new Writable();w.on('pipe', common.mustCall());
const r = new Readable();r.pipe(w);