String field_type = field.getType();
    protected String buildActualTypedAltArgumentListNoConversion(Iterator fields) {        StringBuffer buf = new StringBuffer();        while (fields.hasNext()) {            Field field = (Field) fields.next();            String field_id = getFieldId(field.getId());            String field_type = field.getType();            buf.append(field_id);            if (fields.hasNext()) {                buf.append(", ");            }        }        return buf.toString();    }