public @NotNull DiffContent getRightDiffContent(@NotNull RevisionProcessingProgress p) {
    Entry rightEntry = getRightEntry();
    if (rightEntry == null) return DiffContentFactory.getInstance().createEmpty();
    if (isRightContentAvailable(p)) {
      DiffContent content = isRightContentCurrent ? getEditableRightDiffContent(p) : getReadOnlyRightDiffContent(p);
      if (content != null) return content;
    }
    return DiffContentFactory.getInstance().create(LocalHistoryBundle.message("content.not.available"));
  }
public @NotNull DiffContent getRightDiffContent(@NotNull RevisionProcessingProgress p)