byte[] serializeVersionTag(VersionTag tag) throws IOException {
    int entryVersion = tag.getEntryVersion();
    long regionVersion = tag.getRegionVersion();
    VersionSource versionMember = tag.getMemberID();
    long timestamp = tag.getVersionTimeStamp();
    int dsId = tag.getDistributedSystemId();
    return serializeVersionTag(entryVersion, regionVersion, versionMember, timestamp, dsId);
  }
Method to be used only for testing

@param ch Object to replace the channel in the Oplog.crf
@return original channel object
geode-core/src/main/java/org/apache/geode/internal/cache/Oplog.java