'use strict';

var $ = require('../internals/export');

var apply = require('../internals/function-apply');

var getCompositeKeyNode = require('../internals/composite-key');

var getBuiltIn = require('../internals/get-built-in');

var create = require('../internals/object-create');

var $Object = Object;

var initializer = function () {

var freeze = getBuiltIn('Object', 'freeze');

return freeze ? freeze(create(null)) : create(null);

};

// https://github.com/tc39/proposal-richer-keys/tree/master/compositeKey

$({ global: true, forced: true }, {

compositeKey: function compositeKey() {

return apply(getCompositeKeyNode, $Object, arguments).get('object', initializer);

}

});