System.register([], function (exports, module) {
	'use strict';
	return {
		execute: function () {

			var effect1 = () => console.log( 'effect' ); // must not be removed!
			function isKept1 ( x = effect1 ) {
				x();
			}
			isKept1();

			var effect2 = () => console.log( 'effect' ); // must not be removed!
			var isKept2 = function ( x = effect2 ) {
				x();
			};
			isKept2();

			var effect3 = () => console.log( 'effect' ); // must not be removed!
			var isKept3 = ( x = effect3 ) => {
				x();
			};
			isKept3();

		}
	};
});
