text: // Copyright Joyent, Inc. and other Node contributors.
  //
  // Permission is hereby granted, free of charge, to any person obtaining a
  // copy of this software and associated documentation files (the
  // "Software"), to deal in the Software without restriction, including
  // without limitation the rights to use, copy, modify, merge, publish,
  // distribute, sublicense, and/or sell copies of the Software, and to permit
  // persons to whom the Software is furnished to do so, subject to the
  // following conditions:
  //
  // The above copyright notice and this permission notice shall be included
  // in all copies or substantial portions of the Software.
  //
  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
  // NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
  // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  // USE OR OTHER DEALINGS IN THE SOFTWARE.
  
  'use strict';
  
  const { Agent, globalAgent } = require('_http_agent');
  const { ClientRequest } = require('_http_client');
  const { methods } = require('_http_common');
  const { IncomingMessage } = require('_http_incoming');
  const { OutgoingMessage } = require('_http_outgoing');
  const {
    _connectionListener,
    STATUS_CODES,
    Server,
    ServerResponse
  } = require('_http_server');
  let maxHeaderSize;
  
  function createServer(opts, requestListener) {
    return new Server(opts, requestListener);
  }
  
  function request(url, options, cb) {
    return new ClientRequest(url, options, cb);
  }
  
  function get(url, options, cb) {
    var req = request(url, options, cb);
    req.end();
    return req;
  }
  
  module.exports = {
    _connectionListener,
    METHODS: methods.slice().sort(),
    STATUS_CODES,
    Agent,
    ClientRequest,
    globalAgent,
    IncomingMessage,
    OutgoingMessage,
    Server,
    ServerResponse,
    createServer,
    get,
    request
  };
  
  Object.defineProperty(module.exports, 'maxHeaderSize', {
    configurable: true,
    enumerable: true,
    get() {
      if (maxHeaderSize === undefined) {
        const { getOptionValue } = require('internal/options');
        maxHeaderSize = getOptionValue('--max-http-header-size');
      }
  
      return maxHeaderSize;
    }
  });
  