interface openfl.events.IEventDispatcher

function addEventListener(type:String, listener:Dynamic ->Void?useCapture:Bool, ?priority:Int, ?useWeakReference:Bool): Void

function dispatchEvent(event:Event): Bool

function hasEventListener(type:String): Bool

function removeEventListener(type:String, listener:Dynamic ->Void?useCapture:Bool): Void

function willTrigger(type:String): Bool