@Nullable
  public Library getLibraryModel(@NotNull Library library) {
    final LibraryTable libraryTable = library.getTable();
    if (libraryTable != null) {
      return findLibraryModel(library, myLevel2Providers.get(libraryTable.getTableLevel()));
    }
    return library;
  }
@Nullable
  public Library getLibraryModel(@NotNull Library library)