<commit_before>const fs = require('graceful-fs');

import { platformUniversalDynamic } from 'angular2-universal';

declare var Zone: any;
// @internal
function s4() {
  return Math.floor((1 + Math.random()) * 0x10000).toString(16).substring(1);
}

export interface ExpressEngineConfig {
  document?: string;
  DOCUMENT?: string;
  cancelHandler?: () => boolean;
  CANCEL_HANDLER?: () => boolean;
  req?: any;
  REQ?: any;
  res?: any;
  RES?: any;
  time?: boolean;
  TIME?: boolean;
  id?: string;
  ID?: string;
  ngModule?: any;
  precompile?: boolean;
  cancel?: boolean;
  CANCEL?: boolean;
  requestUrl?: string;
  REQUEST_URL?: string;
  originUrl?: string;
  ORIGIN_URL?: string;
  baseUrl?: string;
  BASE_URL?: string;
  cookie?: string;
  COOKIE?: string;
}

export function createEngine(options?: any) {
  options = options || {};
  var cache = {<commit_msg>fix(express-engine): ExpressEngineConfig - add preboot config options (#546)<commit_after>const fs = require('graceful-fs');

import { platformUniversalDynamic } from 'angular2-universal';
import { PrebootOptions } from 'preboot';

declare var Zone: any;
// @internal
function s4() {
  return Math.floor((1 + Math.random()) * 0x10000).toString(16).substring(1);
}

export interface ExpressEngineConfig {
  document?: string;
  DOCUMENT?: string;
  cancelHandler?: () => boolean;
  CANCEL_HANDLER?: () => boolean;
  req?: any;
  REQ?: any;
  res?: any;
  RES?: any;
  time?: boolean;
  TIME?: boolean;
  id?: string;
  ID?: string;
  ngModule?: any;
  precompile?: boolean;
  preboot?: PrebootOptions;
  cancel?: boolean;
  CANCEL?: boolean;
  requestUrl?: string;
  REQUEST_URL?: string;
  originUrl?: string;
  ORIGIN_URL?: string;
  baseUrl?: string;
  BASE_URL?: string;
  cookie?: string;
  COOKIE?: string;
}

export function createEngine(options?: any) {
  options = options || {};
  var cache = {
{'fraction_non_alphanumeric': 0.15483182060864922, 'fraction_numerical': 0.014415376401494928, 'mean_word_length': 4.4476744186046515, 'pattern_counts': {'":': 0, '<': 3, '<?xml version=': 0, '>': 7, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '6869737', 'n_tokens_mistral': 646, 'n_tokens_neox': 613, 'n_words': 166}