private SendSyncModel setUpSyncModel(
     List<ChildTable> childTables, List<TableFieldFilling> tableFieldFillings) {
   SendSyncModel syncModel = new SendSyncModel();
   List<TransferChildTable> transferChildTableList = new ArrayList<>();
   List<TransferTableFieldFilling> transferTableFieldFillingList = new ArrayList<>();
   for (ChildTable childTable : childTables)
     transferChildTableList.add(TransferChildTable.transferObjectFromServerModel(childTable));
   for (TableFieldFilling tableFieldFilling : tableFieldFillings)
     transferTableFieldFillingList.add(
         TransferTableFieldFilling.transferObjectFromServerModel(tableFieldFilling));
   syncModel.setTransferChildTableList(transferChildTableList);
   syncModel.setTransferTableFieldFillingList(transferTableFieldFillingList);
   return syncModel;
 }