public byte[] getStartKey() {
    setStartKey(org.apache.thrift.TBaseHelper.rightSize(startKey));
    return startKey == null ? null : startKey.array();
  }
Returns true if field tableName is set (has been assigned a value) and false otherwise
hbase-thrift/src/main/java/org/apache/hadoop/hbase/thrift2/generated/THRegionInfo.java