protected @NotNull CompletionSorterImpl processStatsWeigher(@NotNull CompletionSorterImpl sorter,
                                                              @NotNull Weigher weigher,
                                                              @NotNull CompletionLocation location) {
    return sorter;
  }
protected @NotNull CompletionSorterImpl processStatsWeigher(@NotNull CompletionSorterImpl sorter,
                                                              @NotNull Weigher weigher,
                                                              @NotNull CompletionLocation location)