text: 'use strict';
  require('../../modules/es.array.iterator');
  require('../../modules/es.map');
  require('../../modules/es.string.iterator');
  require('../../modules/esnext.map.from');
  require('../../modules/web.dom-collections.iterator');
  var isCallable = require('../../internals/is-callable');
  var path = require('../../internals/path');
  
  var Map = path.Map;
  var mapFrom = Map.from;
  
  module.exports = function from(source, mapFn, thisArg) {
    return mapFrom.call(isCallable(this) ? this : Map, source, mapFn, thisArg);
  };
  