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- var isPrototypeOf = require('../../internals/object-is-prototype-of');
- var method = require('../array/virtual/group-by');
- var ArrayPrototype = Array.prototype;
- module.exports = function (it) {
- var own = it.groupBy;
- return it === ArrayPrototype || (isPrototypeOf(ArrayPrototype, it) && own === ArrayPrototype.groupBy) ? method : own;
- };
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