if (object2 instanceof ASTNode) {
ASTNode astnode = (ASTNode) object2;
List<?> childs2 = astnode.getChilds();
for (Object object : childs2) {
if (object instanceof RutaExpression) {
RutaExpression expr = (RutaExpression) object;
// if (expr.isInParantheses()) {
// append(PAR_OPEN);
// append(expr);
// append(PAR_CLOSE);
// } else {