private void loadLogAndRefs(@NotNull Collection<? extends VirtualFile> roots,
                                @NotNull Map<VirtualFile, CompressedRefs> prevRefs,
                                int commitCount) throws VcsException {
      LogInfo logInfo = loadRecentData(prepareRequirements(roots, commitCount, prevRefs));
      for (VirtualFile root : roots) {
        myLoadedInfo.put(root, logInfo.getCommits(root));
        myLoadedInfo.myRefs.put(root, logInfo.getRefs().get(root));
      }
    }
private void loadLogAndRefs(@NotNull Collection<? extends VirtualFile> roots,
                                @NotNull Map<VirtualFile, CompressedRefs> prevRefs,
                                int commitCount)