docs: private <T> String format(final T t,
                                final IClassContainer container) {
          final List<ExportContainer> exportContainers = extractExportContainers(t, container);
  
          final String resultValues = exportContainers.stream()
                  .map(c -> convertFieldValue(container.getField(c.getExportName()), c))
                  .collect(Collectors.joining(", "));
  
          return "(" + resultValues + ")";
      }