private @NotNull Set<FilePath> getVcsPathsSet(@NotNull VcsRoot vcsRoot) {
    return myMap.computeIfAbsent(vcsRoot, key -> {
      HashingStrategy<FilePath> strategy = getDirtyScopeHashingStrategy(Objects.requireNonNull(key.getVcs()));
      return strategy == null ? new HashSet<>() : CollectionFactory.createCustomHashingStrategySet(strategy);
    });
  }
private @NotNull Set<FilePath> getVcsPathsSet(@NotNull VcsRoot vcsRoot)