'use strict';

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

var uncurryThis = require('../internals/function-uncurry-this');

var aCallable = require('../internals/a-callable');

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

var iterate = require('../internals/iterate');

var MapHelpers = require('../internals/map-helpers');

var IS_PURE = require('../internals/is-pure');

var Map = MapHelpers.Map;

var has = MapHelpers.has;

var get = MapHelpers.get;

var set = MapHelpers.set;

var push = uncurryThis([].push);

// `Map.groupBy` method

// https://github.com/tc39/proposal-array-grouping

$({ target: 'Map', stat: true, forced: IS_PURE }, {

groupBy: function groupBy(items, callbackfn) {

}

});