class IteratorBuildingVisitor extends BaseVisitor {

    private LiteralRange<?> buildLiteralRange(JexlNode source) {
        if (source instanceof ASTERNode)
            return buildLiteralRange(((ASTERNode) source));
        else if (source instanceof ASTNRNode)
            return buildLiteralRange(((ASTNRNode) source));
        else
            return null;
        
    }

}