private void addChange(final Change change) {
    final FilePath path = ChangesUtil.getFilePath(change);
    final VirtualFile vf = path.getVirtualFile();
    if ((mergeInfoChanged(path.getIOFile()) || (vf != null && myFiles.containsFile(vf))) && !myCheckSet.contains(vf)) {
      myCheckSet.add(vf);
      myChanges.add(change);
    }
  }
private void addChange(final Change change)