docs: private synchronized Producer<CloseableReference<CloseableImage>>
    getLocalVideoFileFetchSequence() {
      if (mLocalVideoFileFetchSequence == null) {
        LocalVideoThumbnailProducer localVideoThumbnailProducer =
            mProducerFactory.newLocalVideoThumbnailProducer();
        mLocalVideoFileFetchSequence =
            newBitmapCacheGetToBitmapCacheSequence(localVideoThumbnailProducer);
      }
      return mLocalVideoFileFetchSequence;
    }