return new Seq<>(first, second);
}
/**Convert a list of OptionTransfer items into a transfer.**/
public static Transfer<?,?> toTransfer(List<OptionTransfer> transferList, List<? extends ControlPanel> optionPanels) {
Transfer subsequent = null;
for (int i=transferList.size()-1; i>=0; i--) {
OptionTransfer ot = transferList.get(i);
ControlPanel panel = optionPanels == null || optionPanels.get(i) == null ? ot.control(null) : optionPanels.get(i);
subsequent = ot.transfer(panel, subsequent);
}