define(function () { 'use strict';

	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();

});
