public static void ExportCategorySummary(IEnumerable<IGrouping<int, ClasterizedSentenceError>> errors, string fileName, Application oxlApp) { var summaries = _getSummariesForCategory(errors); var totalSummaries = _getTotalSummaryForCategory(summaries); var writer = new ErrorsSummaryWriter(fileName, oxlApp); writer._writeSummaryForCategory(summaries, totalSummaries); writer.Close(); }