code: public org.tensorflow.framework.CollectionDef.BytesList getBytesList() {
      if (kindCase_ == 2) {
         return (org.tensorflow.framework.CollectionDef.BytesList) kind_;
      }
      return org.tensorflow.framework.CollectionDef.BytesList.getDefaultInstance();
    }
docs: <code>optional .tensorflow.CollectionDef.BytesList bytes_list = 2;</code>