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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');
}