"use strict";
  module.exports = function(Promise) {
  function returner() {
      return this.value;
  }
  function thrower() {
      throw this.reason;
  }
  
  Promise.prototype["return"] =
  Promise.prototype.thenReturn = function (value) {
      if (value instanceof Promise) value.suppressUnhandledRejections();
      return this._then(
          returner, undefined, undefined, {value: value}, undefined);
  };
  
  Promise.prototype["throw"] =
  Promise.prototype.thenThrow = function (reason) {
      return this._then(
          thrower, undefined, undefined, {reason: reason}, undefined);
  };
  
  Promise.prototype.catchThrow = function (reason) {
      if (arguments.length <= 1) {
          return this._then(
              undefined, thrower, undefined, {reason: reason}, undefined);
      } else {
          var _reason = arguments[1];
          var handler = function() {throw _reason;};
          return this.caught(reason, handler);
      }
  };
  
  Promise.prototype.catchReturn = function (value) {
      if (arguments.length <= 1) {
          if (value instanceof Promise) value.suppressUnhandledRejections();
          return this._then(
              undefined, returner, undefined, {value: value}, undefined);
      } else {
          var _value = arguments[1];
          if (_value instanceof Promise) _value.suppressUnhandledRejections();
          var handler = function() {return _value;};
          return this.caught(value, handler);
      }
  };
  };