'use strict';
var $export = require('./_export');
var toObject = require('./_to-object');
var aFunction = require('./_a-function');
var $defineProperty = require('./_object-dp');

// B.2.2.3 Object.prototype.__defineSetter__(P, setter)
require('./_descriptors') && $export($export.P + require('./_object-forced-pam'), 'Object', {
  __defineSetter__: function __defineSetter__(P, setter) {
    $defineProperty.f(toObject(this), P, { set: aFunction(setter), enumerable: true, configurable: true });
  }
});