docs: public List<Set<String>> getActualTableNameGroups(final String dataSourceName, final Set<String> logicTableNames) {
          List<Set<String>> result = new ArrayList<>();
          for (String logicTableName : logicTableNames) {
              Set<String> actualTableNames = getActualTableNames(dataSourceName, logicTableName);
              if (!actualTableNames.isEmpty()) {
                  result.add(actualTableNames);
              }
          }
          return result;
      }