name="l00091"></a><span class="lineno">   91</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> P&gt;</div><div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;<span class="keyword">struct </span>PixelDereferenceAdaptorArchetype</div><div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;{</div><div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;    <span class="keyword">using</span> argument_t