s=i[a];if("polymerBlackList_"!==s&&!(s in n||t.polymerBlackList_&&t.polymerBlackList_[s])){q&&t.__lookupGetter__(s);var c,l,d=m(t,s);if("function"!=typeof d.value){var w=u(s);c=w?e.getEventHandlerGetter(s):p(s),(d.writable||d.set||V)&&(l=w?e.getEventHandlerSetter(s):h(s));var v=V||d.configurable;A(n,s,{get:c,set:l,configurable:v,enumerable:d.enumerable})}else r&&(n[s]=f(s))}}}function v(e,t,n){if(null!=e){var r=e.prototype;g(r,t,n),o(t,e)}}function g(e,t,r){var o=t.prototype;n(void 0===R.get(e)),R....