public long getRetractStoppingOffset() {
      return retractStoppingOffset;
    }
@param revertStartingOffset the offset where job revert to normal read starts from. It should
    skip the flip which has been read.
amoro-format-mixed/amoro-mixed-flink/amoro-mixed-flink-common/src/main/java/org/apache/amoro/flink/read/source/log/LogSourceHelper.java