@Nullable
  private WCInfoWithBranches createInfo(@NotNull WCInfo info) {
    if (!info.getFormat().supportsMergeInfo()) {
      return null;
    }

    final String url = info.getUrl().toString();
    if (myLocation != null && !myLocation.toPresentableString().startsWith(url) && !url.startsWith(myLocation.toPresentableString())) {
      return null;
    }
    if (!SvnUtil.checkRepositoryVersion15(myVcs, info.getUrl())) {
      return null;
    }

    // check of WC version
    RootUrlInfo rootForUrl = myVcs.getSvnFileUrlMapping().getWcRootForUrl(info.getUrl());
    return rootForUrl != null ? createInfoWithBranches(info, rootForUrl) : null;
  }
@Nullable
  private WCInfoWithBranches createInfo(@NotNull WCInfo info)