private void registerPathToRefresh(@NotNull String path, @NotNull ArchiveFileSystem vfs) {
      if (myRootsToRefresh == null) myRootsToRefresh = new HashSet<>();
      myRootsToRefresh.add(Pair.create(path, vfs));
    }
private void registerPathToRefresh(@NotNull String path, @NotNull ArchiveFileSystem vfs)