public byte[] get() {
    if (this.bytes == null) {
      throw new IllegalStateException(
        "Uninitialiized. Null constructor " + "called w/o accompaying readFields invocation");
    }
    return this.bytes;
  }
Get the data from the Bytes.
@return The data is only valid between offset and offset+length.
hbase-common/src/main/java/org/apache/hadoop/hbase/util/Bytes.java