1726 condition_variable cond_var_;member in tensorflow::data::experimental::__anon94f7b5240311::SnapshotDatasetOp::Dataset::Iterator::SnapshotReaderIterator 2281 condition_variable cond_var_;member in tensorflow::data::experimental::__anon94f7b5240311::SnapshotDatasetOp::Dataset::Iterator::SnapshotWriterIterator