code: public static <T> WritableDataStore<T> makeStorage(DBIDs ids, int hints, Class<? super T> dataclass) {
      return DataStoreFactory.FACTORY.makeStorage(ids, hints, dataclass);
    }
docs: Make a new storage, to associate the given ids with an object of class
  dataclass.
  
  @param <T> stored data type
  @param ids DBIDs to store data for
  @param hints Hints for the storage manager
  @param dataclass class to store
  @return new data store