v><div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;<span class="keyword">using</span> byte_t = <span class="keywordtype">unsigned</span> char;</div><div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;<span class="keyword">using</span> byte_vector_t = std::vector&lt;byte_t&gt;;</div><div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;</div><div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;}} <span cla