new (?buffer:AudioBuffer, offset:Int = 0, ?length:Int, loops:Int = 0)
buffer:AudioBuffer
currentTime:Int
gain:Float
length:Int
loops:Int
offset:Int
onComplete:Event<Void ‑> Void> = new Event<Void>()
position:Vector4
dispose ():Void
pause ():Void
play ():Void
stop ():Void