ListNode post, BlockArgNode block) {
// Zero-Argument declaration
if (optional == null && rest == null && post == null && block == null) {
if (pre == null || pre.size() == 0) return new ArgsNoArgNode(position);
if (pre.size() == 1 && !hasAssignableArgs(pre)) return new ArgsPreOneArgNode(position, pre);
if (pre.size() == 2 && !hasAssignableArgs(pre)) return new ArgsPreTwoArgNode(position, pre);
}
return new ArgsNode(position, pre, optional, rest, post, block);
}