code: function fe($e,et,tt){// Sadly this is not cacheable as some libraries bundle their own
  // event emitter implementation with them.
  return"function"==typeof $e.prependListener?$e.prependListener(et,tt):void($e._events&&$e._events[et]?Me($e._events[et])?$e._events[et].unshift(tt):$e._events[et]=[tt,$e._events[et]]:$e.on(et,tt))}
docs: /*</replacement> /*<replacement>