public TColumnValue setTags(byte[] tags) {
    this.tags = tags == null ? (java.nio.ByteBuffer)null   : java.nio.ByteBuffer.wrap(tags.clone());
    return this;
  }
Returns true if field timestamp is set (has been assigned a value) and false otherwise
hbase-thrift/src/main/java/org/apache/hadoop/hbase/thrift2/generated/TColumnValue.java