code: public alluxio.proto.dataserver.Protocol.OpenUfsBlockOptions getOpenUfsBlockOptions() {
      return openUfsBlockOptions_ == null ? alluxio.proto.dataserver.Protocol.OpenUfsBlockOptions.getDefaultInstance() : openUfsBlockOptions_;
    }
docs: <code>optional .alluxio.proto.dataserver.OpenUfsBlockOptions open_ufs_block_options = 4;</code>