Returns a deep copy of the sub tree rooted in node. If order is set, then the order and argumentIndex fields of the new root node are set to order.
node
order
argumentIndex
AST that results when adding other as a child to this AST. other is connected to this AST's root node.
other
AST that results when adding all ASTs in asts as children, that is, connecting them to the root node of this AST.
asts