if (childNode instanceof Ordered_by_stmtContext) {
final Ordered_by_stmtContext orderedBy = (Ordered_by_stmtContext) childNode;
final boolean userOrdered = parseUserOrdered(orderedBy);
builder.setUserOrdered(userOrdered);
} else if (childNode instanceof Key_stmtContext) {
if (childNode instanceof Ordered_by_stmtContext) {
final Ordered_by_stmtContext orderedBy = (Ordered_by_stmtContext) childNode;
final boolean userOrdered = parseUserOrdered(orderedBy);
builder.setUserOrdered(userOrdered);
} else if (childNode instanceof Key_stmtContext) {