@NotNull
  UpdateSession updateDirectories(FilePath @NotNull [] contentRoots, UpdatedFiles updatedFiles,
                                  ProgressIndicator progressIndicator, @NotNull final Ref<SequentialUpdatesContext> context) throws ProcessCanceledException;
@NotNull
  UpdateSession updateDirectories(FilePath @NotNull [] contentRoots, UpdatedFiles updatedFiles,
                                  ProgressIndicator progressIndicator, @NotNull final Ref<SequentialUpdatesContext> context)