docs: public void setTokenizerFactory(@NonNull TokenizerFactory tokenizerFactory) {
          this.tokenizerFactory = tokenizerFactory;
  
          if (sentenceIter != null) {
              SentenceTransformer transformer = new SentenceTransformer.Builder().iterator(sentenceIter)
                              .tokenizerFactory(this.tokenizerFactory).build();
              this.iterator = new AbstractSequenceIterator.Builder<>(transformer).build();
          }
      }