@Override
public Node visit(QualifiedNameExpr _n, Object _arg) {
NameExpr scope = cloneNodes(_n.getQualifier(), _arg);
Comment comment = cloneNodes(_n.getComment(), _arg);
QualifiedNameExpr r = new QualifiedNameExpr(
_n.getBeginLine(), _n.getBeginColumn(), _n.getEndLine(), _n.getEndColumn(),
scope, _n.getName()
);
r.setComment(comment);
return r;
}