public Node visit(AssertStmt _n, Object _arg) {
Expression check = cloneNodes(_n.getCheck(), _arg);
Expression message = cloneNodes(_n.getMessage(), _arg);
Comment comment = cloneNodes(_n.getComment(), _arg);
AssertStmt r = new AssertStmt(
_n.getBeginLine(), _n.getBeginColumn(), _n.getEndLine(), _n.getEndColumn(),
check, message
);
r.setComment(comment);
return r;
}