public DurableMapFactory<K, V> mapFactory(@NotNull StorageFactory<? extends DurableIntToMultiIntMap> mapFactory) {
    return new DurableMapFactory<>(logFactory, mapFactory, keyEquality, valueEquality, entryExternalizer, rebuildMapFromLogIfInconsistent);
  }
public DurableMapFactory<K, V> mapFactory(@NotNull StorageFactory<? extends DurableIntToMultiIntMap> mapFactory)