text: System.register('myBundle', [], function (exports) {
  	'use strict';
  	return {
  		execute: function () {
  
  			function foo () {
  				var Object = {
  					keys: function () {
  						console.log( 'side-effect' );
  					}
  				};
  
  				var obj = { foo: 1, bar: 2 };
  				Object.keys( obj );
  			}
  
  			foo();
  
  			var main = exports('default', 42);
  
  		}
  	};
  });
  