public <K> boolean processAllKeys(@NotNull ID<K, ?> indexId, @NotNull Processor<? super K> processor, @NotNull GlobalSearchScope scope, @Nullable IdFilter idFilter) {
    return processAllKeys(indexId, processor, scope.getProject());
  }
public <K> boolean processAllKeys(@NotNull ID<K, ?> indexId, @NotNull Processor<? super K> processor, @NotNull GlobalSearchScope scope, @Nullable IdFilter idFilter)