alue</a>
          </h7><p>
            <code class="computeroutput"><span class="keyword">this</span><span class="special">-&gt;</span><span class="identifier">as_object</span><span class="special">().</span><span class="identifier">at</span><span class="special">(</span> <span class="identifier">key</span> <span class="special">)</span></code>.
          </p>
</div>
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