protected static byte[] getTableNameSuffixedWithFamily(byte[] tableName, byte[] family) {
    return combineTableNameSuffix(tableName, family);
  }
ExtendedCell and ExtendedCellSerialization are InterfaceAudience.Private. We expose this config
for internal usage in jobs like WALPlayer which need to use features of ExtendedCell.
hbase-mapreduce/src/main/java/org/apache/hadoop/hbase/mapreduce/HFileOutputFormat2.java