@Nullable
  private PropertyRevision createBeforePropertyRevision(@NotNull Change change, @NotNull Status svnStatus, @Nullable Status deletedStatus) {
    if (svnStatus.isProperty(StatusType.STATUS_ADDED) && deletedStatus == null) return null;

    ContentRevision before = change.getBeforeRevision();
    if (before == null) return null;

    FilePath path = ChangesUtil.getFilePath(change);
    File file = deletedStatus != null ? deletedStatus.getFile() : path.getIOFile();
    Target target = Target.on(file, Revision.BASE);
    return new SvnLazyPropertyContentRevision(myVcs, path, before.getRevisionNumber(), target);
  }
@Nullable
  private PropertyRevision createBeforePropertyRevision(@NotNull Change change, @NotNull Status svnStatus, @Nullable Status deletedStatus)