text: 'use strict';
  var toObject = require('../internals/to-object');
  var aFunction = require('../internals/a-function');
  var definePropertyModule = require('../internals/object-define-property');
  
  // `Object.prototype.__defineSetter__` method
  // https://tc39.github.io/ecma262/#sec-object.prototype.__defineSetter__
  if (require('../internals/descriptors')) {
    require('../internals/export')({ target: 'Object', proto: true, forced: require('../internals/object-forced-pam') }, {
      __defineSetter__: function __defineSetter__(P, setter) {
        definePropertyModule.f(toObject(this), P, { set: aFunction(setter), enumerable: true, configurable: true });
      }
    });
  }
  