@Override
  public String toString() {
    return getClass() + "[" + serdeParams + "]";
  }
Defines if the prefix column from hbase should be hidden.
It works only when @HBASE_COLUMNS_REGEX_MATCHING is true.
Default value of this parameter is false
hbase-handler/src/java/org/apache/hadoop/hive/hbase/HBaseSerDe.java