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							- 'use strict';
 
- // TODO: Remove from `core-js@4`
 
- var DESCRIPTORS = require('../internals/descriptors');
 
- var addToUnscopables = require('../internals/add-to-unscopables');
 
- var toObject = require('../internals/to-object');
 
- var lengthOfArrayLike = require('../internals/length-of-array-like');
 
- var defineBuiltInAccessor = require('../internals/define-built-in-accessor');
 
- // `Array.prototype.lastIndex` getter
 
- // https://github.com/keithamus/proposal-array-last
 
- if (DESCRIPTORS) {
 
-   defineBuiltInAccessor(Array.prototype, 'lastIndex', {
 
-     configurable: true,
 
-     get: function lastIndex() {
 
-       var O = toObject(this);
 
-       var len = lengthOfArrayLike(O);
 
-       return len === 0 ? 0 : len - 1;
 
-     }
 
-   });
 
-   addToUnscopables('lastIndex');
 
- }
 
 
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