tools/eslint/node_modules/escope/node_modules/es6-weak-map/node_modules/es5-ext/array/#/keys/implement.js


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'use strict';

if (!require('./is-implemented')()) {
	Object.defineProperty(Array.prototype, 'keys', { value: require('./shim'),
		configurable: true, enumerable: false, writable: true });
}