4 function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor…  argument
27 function extendClass(cls, name, props) {  argument
28   props = props || {};
29   lib.keys(props).forEach(function (k) {
30     props[k] = parentWrap(cls.prototype[k], props[k]);
45   lib._assign(subclass.prototype, props);
55   Obj.extend = function extend(name, props) {  argument
57       props = name;
60     return extendClass(this, name, props);
82   EmitterObj.extend = function extend(name, props) {  argument
84       props = name;
87     return extendClass(this, name, props);