@Override
  public FileTimeIndex deserialize(ByteBuffer buffer) {
    throw new UnsupportedOperationException();
  }
end times. The value is Long.MIN_VALUE if it's an unsealed sequence tsfile
iotdb-core/datanode/src/main/java/org/apache/iotdb/db/storageengine/dataregion/tsfile/timeindex/FileTimeIndex.java