public static String formatInt32DefRqstDeleteByNextIdx(
     String separator, Long argNextTenantId, Long argNextId) {
   String retval =
       "<RqstInt32DefDeleteByNextIdx "
           + CFLibXmlUtil.formatOptionalInt64(null, "NextTenantId", argNextTenantId)
           + CFLibXmlUtil.formatOptionalInt64(separator, "NextId", argNextId)
           + " />";
   return (retval);
 }
 public static String formatInt32DefRqstReadByPrevIdx(
     String separator, Long argPrevTenantId, Long argPrevId) {
   String retval =
       "<RqstInt32DefReadByPrevIdx "
           + CFLibXmlUtil.formatOptionalInt64(null, "PrevTenantId", argPrevTenantId)
           + CFLibXmlUtil.formatOptionalInt64(separator, "PrevId", argPrevId)
           + " />";
   return (retval);
 }