private <T extends Comparable<? super T>> void sortAndDumpToFile(@NotNull String fileName,
                                                                     @NotNull List<? extends T> entities) {
      writeToFile(fileName, ContainerUtil.sorted(entities), false);
    }
private <T extends Comparable<? super T>> void sortAndDumpToFile(@NotNull String fileName,
                                                                     @NotNull List<? extends T> entities)