@Override
 public Collection<String> getIndexElementBaseNames(Namesyn_083 namesyn_083) {
   Sdr_042 sdr_042 = namesyn_083.getSdr_042();
   final List<String> list = new ArrayList<>();
   for (Sdes_044 sdes_044 : sdr_042.getSdes_044s()) {
     // CMT-ID-044 == -11: INDEXED BY (SDES-044 and NAMEDES-186 only)
     if (sdes_044.getCmtId_044() == -11) {
       // the index name appears to be in the ASF-FIELD-NAME-044 field (position 5)
       list.add(JdbcTools.removeTrailingSpaces(sdes_044.getAsfFieldName_044()));
     }
   }
   return list;
 }