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- 'use strict';
- var define = require('define-properties');
- var getPolyfill = require('./polyfill');
- module.exports = function shim() {
- var polyfill = getPolyfill();
- define(
- Object,
- { groupBy: polyfill },
- { groupBy: function () { return Object.groupBy !== polyfill; } }
- );
- return polyfill;
- };
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