text: 'use strict';
  var $ = require('../internals/export');
  var IS_PURE = require('../internals/is-pure');
  var aCallable = require('../internals/a-callable');
  var anObject = require('../internals/an-object');
  var iterate = require('../internals/iterate');
  
  // `Map.prototype.merge` method
  // https://github.com/tc39/proposal-collection-methods
  $({ target: 'Map', proto: true, real: true, forced: IS_PURE }, {
    // eslint-disable-next-line no-unused-vars -- required for `.length`
    merge: function merge(iterable /* ...iterables */) {
      var map = anObject(this);
      var setter = aCallable(map.set);
      var argumentsLength = arguments.length;
      var i = 0;
      while (i < argumentsLength) {
        iterate(arguments[i++], setter, { that: map, AS_ENTRIES: true });
      }
      return map;
    }
  });
  