private static @NotNull Collection<VirtualFile> findFilesWithCrlf(@NotNull Collection<? extends VirtualFile> files) {
    Collection<VirtualFile> filesWithCrlf = new ArrayList<>();
    for (VirtualFile file : files) {
      ProgressIndicatorProvider.checkCanceled();
      String separator = LoadTextUtil.detectLineSeparator(file, true);
      if (CRLF.equals(separator)) {
        filesWithCrlf.add(file);
      }
    }
    return filesWithCrlf;
  }
private static @NotNull Collection<VirtualFile> findFilesWithCrlf(@NotNull Collection<? extends VirtualFile> files)