function SyntheticUIEvent(dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget) {
	  return SyntheticEvent.call(this, dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget);
	}
@param {object} dispatchConfig Configuration used to dispatch this event.
@param {string} dispatchMarker Marker identifying the event target.
@param {object} nativeEvent Native browser event.
@extends {SyntheticEvent}