@Nullable
  private static String getRevisionContent(@NotNull ContentRevision revision) {
    try {
      String content = revision.getContent();
      return content != null ? StringUtil.convertLineSeparators(content) : null;
    }
    catch (VcsException e) {
      LOG.info(e);
      return null;
    }
  }
@Nullable
  private static String getRevisionContent(@NotNull ContentRevision revision)