staticread onlydispatch:T
staticinlineadd(this:IFlxSignal<T>, listener:T):Void
staticinlineaddOnce(this:IFlxSignal<T>, listener:T):Void
staticinlinedestroy(this:IFlxSignal<T>):Void
staticinlinehas(this:IFlxSignal<T>, listener:T):Bool
staticinlineremove(this:IFlxSignal<T>, listener:T):Void
staticinlineremoveAll(this:IFlxSignal<T>):Void