Can I have my signal cake and eat it too?

signal-cake.as

class NoCake
{
    private var _clicked:Signal;
    private var _data:Object;

    public function NoCake(mc:MovieClip, data:Object)
    {
        _clicked = new Signal(Object);
        _data = data;
        mc.addEventListener(MouseEvent.CLICK, onClick);
    }

    private function onClick(event:MouseEvent):void
    {
        _clicked.dispatch(data);
    }

    public function get clicked():ISignal
    {
        return _clicked;
    }
}

public class Cake
{
    private var _clicked:CakeSignal;

    public function NoCake(mc:MovieClip, data:Object)
    {
        _clicked = new CakeSignal(mc, MouseEvent.CLICK, _data);
    }

    public function get clicked():ISignal
    {
        return _clicked;
    }
}