text: 'use strict';
  var $ = require('../internals/export');
  var IS_PURE = require('../internals/is-pure');
  var FORCED_PROMISE_CONSTRUCTOR = require('../internals/promise-constructor-detection').CONSTRUCTOR;
  var NativePromiseConstructor = require('../internals/promise-native-constructor');
  var getBuiltIn = require('../internals/get-built-in');
  var isCallable = require('../internals/is-callable');
  var defineBuiltIn = require('../internals/define-built-in');
  
  var NativePromisePrototype = NativePromiseConstructor && NativePromiseConstructor.prototype;
  
  // `Promise.prototype.catch` method
  // https://tc39.es/ecma262/#sec-promise.prototype.catch
  $({ target: 'Promise', proto: true, forced: FORCED_PROMISE_CONSTRUCTOR, real: true }, {
    'catch': function (onRejected) {
      return this.then(undefined, onRejected);
    }
  });
  
  // makes sure that native promise-based APIs `Promise#catch` properly works with patched `Promise#then`
  if (!IS_PURE && isCallable(NativePromiseConstructor)) {
    var method = getBuiltIn('Promise').prototype['catch'];
    if (NativePromisePrototype['catch'] !== method) {
      defineBuiltIn(NativePromisePrototype, 'catch', method, { unsafe: true });
    }
  }
  