text: 'use strict';
  
  var assign = require('./helpers/assign');
  
  var ES5 = require('./es5');
  var ES2015 = require('./es2015');
  var ES2016 = require('./es2016');
  var ES2017 = require('./es2017');
  var ES2018 = require('./es2018');
  var ES2019 = require('./es2019');
  var ES2020 = require('./es2020');
  
  var ES = {
  	ES5: ES5,
  	ES6: ES2015,
  	ES2015: ES2015,
  	ES7: ES2016,
  	ES2016: ES2016,
  	ES2017: ES2017,
  	ES2018: ES2018,
  	ES2019: ES2019,
  	ES2020: ES2020
  };
  assign(ES, ES5);
  delete ES.CheckObjectCoercible; // renamed in ES6 to RequireObjectCoercible
  assign(ES, ES2015);
  
  module.exports = ES;
  